forked from mirror/go-ethereum
Merge pull request #819 from karalabe/leveldb-update
godeps: refresh leveldb, clean up stale dependenciesrelease/1.0.1
Jeffrey Wilcke
10 years ago
commit
e88b410b4d
@ -1,124 +0,0 @@ |
||||
// Copyright 2011 The Snappy-Go Authors. All rights reserved.
|
||||
// Use of this source code is governed by a BSD-style
|
||||
// license that can be found in the LICENSE file.
|
||||
|
||||
package snappy |
||||
|
||||
import ( |
||||
"encoding/binary" |
||||
"errors" |
||||
) |
||||
|
||||
// ErrCorrupt reports that the input is invalid.
|
||||
var ErrCorrupt = errors.New("snappy: corrupt input") |
||||
|
||||
// DecodedLen returns the length of the decoded block.
|
||||
func DecodedLen(src []byte) (int, error) { |
||||
v, _, err := decodedLen(src) |
||||
return v, err |
||||
} |
||||
|
||||
// decodedLen returns the length of the decoded block and the number of bytes
|
||||
// that the length header occupied.
|
||||
func decodedLen(src []byte) (blockLen, headerLen int, err error) { |
||||
v, n := binary.Uvarint(src) |
||||
if n == 0 { |
||||
return 0, 0, ErrCorrupt |
||||
} |
||||
if uint64(int(v)) != v { |
||||
return 0, 0, errors.New("snappy: decoded block is too large") |
||||
} |
||||
return int(v), n, nil |
||||
} |
||||
|
||||
// Decode returns the decoded form of src. The returned slice may be a sub-
|
||||
// slice of dst if dst was large enough to hold the entire decoded block.
|
||||
// Otherwise, a newly allocated slice will be returned.
|
||||
// It is valid to pass a nil dst.
|
||||
func Decode(dst, src []byte) ([]byte, error) { |
||||
dLen, s, err := decodedLen(src) |
||||
if err != nil { |
||||
return nil, err |
||||
} |
||||
if len(dst) < dLen { |
||||
dst = make([]byte, dLen) |
||||
} |
||||
|
||||
var d, offset, length int |
||||
for s < len(src) { |
||||
switch src[s] & 0x03 { |
||||
case tagLiteral: |
||||
x := uint(src[s] >> 2) |
||||
switch { |
||||
case x < 60: |
||||
s += 1 |
||||
case x == 60: |
||||
s += 2 |
||||
if s > len(src) { |
||||
return nil, ErrCorrupt |
||||
} |
||||
x = uint(src[s-1]) |
||||
case x == 61: |
||||
s += 3 |
||||
if s > len(src) { |
||||
return nil, ErrCorrupt |
||||
} |
||||
x = uint(src[s-2]) | uint(src[s-1])<<8 |
||||
case x == 62: |
||||
s += 4 |
||||
if s > len(src) { |
||||
return nil, ErrCorrupt |
||||
} |
||||
x = uint(src[s-3]) | uint(src[s-2])<<8 | uint(src[s-1])<<16 |
||||
case x == 63: |
||||
s += 5 |
||||
if s > len(src) { |
||||
return nil, ErrCorrupt |
||||
} |
||||
x = uint(src[s-4]) | uint(src[s-3])<<8 | uint(src[s-2])<<16 | uint(src[s-1])<<24 |
||||
} |
||||
length = int(x + 1) |
||||
if length <= 0 { |
||||
return nil, errors.New("snappy: unsupported literal length") |
||||
} |
||||
if length > len(dst)-d || length > len(src)-s { |
||||
return nil, ErrCorrupt |
||||
} |
||||
copy(dst[d:], src[s:s+length]) |
||||
d += length |
||||
s += length |
||||
continue |
||||
|
||||
case tagCopy1: |
||||
s += 2 |
||||
if s > len(src) { |
||||
return nil, ErrCorrupt |
||||
} |
||||
length = 4 + int(src[s-2])>>2&0x7 |
||||
offset = int(src[s-2])&0xe0<<3 | int(src[s-1]) |
||||
|
||||
case tagCopy2: |
||||
s += 3 |
||||
if s > len(src) { |
||||
return nil, ErrCorrupt |
||||
} |
||||
length = 1 + int(src[s-3])>>2 |
||||
offset = int(src[s-2]) | int(src[s-1])<<8 |
||||
|
||||
case tagCopy4: |
||||
return nil, errors.New("snappy: unsupported COPY_4 tag") |
||||
} |
||||
|
||||
end := d + length |
||||
if offset > d || end > len(dst) { |
||||
return nil, ErrCorrupt |
||||
} |
||||
for ; d < end; d++ { |
||||
dst[d] = dst[d-offset] |
||||
} |
||||
} |
||||
if d != dLen { |
||||
return nil, ErrCorrupt |
||||
} |
||||
return dst[:d], nil |
||||
} |
||||
@ -1,5 +0,0 @@ |
||||
/tmp |
||||
*/**/*un~ |
||||
*un~ |
||||
.DS_Store |
||||
*/**/.DS_Store |
||||
@ -1,3 +0,0 @@ |
||||
[submodule "serp"] |
||||
path = serpent |
||||
url = https://github.com/ethereum/serpent.git |
||||
@ -1,12 +0,0 @@ |
||||
[serpent](https://github.com/ethereum/serpent) go bindings. |
||||
|
||||
## Build instructions |
||||
|
||||
``` |
||||
go get -d github.com/ethereum/serpent-go |
||||
cd $GOPATH/src/github.com/ethereum/serpent-go |
||||
git submodule init |
||||
git submodule update |
||||
``` |
||||
|
||||
You're now ready to go :-) |
||||
@ -1,16 +0,0 @@ |
||||
#include "serpent/bignum.cpp" |
||||
#include "serpent/util.cpp" |
||||
#include "serpent/tokenize.cpp" |
||||
#include "serpent/parser.cpp" |
||||
#include "serpent/compiler.cpp" |
||||
#include "serpent/funcs.cpp" |
||||
#include "serpent/lllparser.cpp" |
||||
#include "serpent/rewriter.cpp" |
||||
|
||||
#include "serpent/opcodes.cpp" |
||||
#include "serpent/optimize.cpp" |
||||
#include "serpent/functions.cpp" |
||||
#include "serpent/preprocess.cpp" |
||||
#include "serpent/rewriteutils.cpp" |
||||
|
||||
#include "cpp/api.cpp" |
||||
@ -1,26 +0,0 @@ |
||||
#include <string> |
||||
|
||||
#include "serpent/lllparser.h" |
||||
#include "serpent/bignum.h" |
||||
#include "serpent/util.h" |
||||
#include "serpent/tokenize.h" |
||||
#include "serpent/parser.h" |
||||
#include "serpent/compiler.h" |
||||
|
||||
#include "cpp/api.h" |
||||
|
||||
const char *compileGo(char *code, int *err) |
||||
{ |
||||
try { |
||||
std::string c = binToHex(compile(std::string(code))); |
||||
|
||||
return c.c_str(); |
||||
} |
||||
catch(std::string &error) { |
||||
*err = 1; |
||||
return error.c_str(); |
||||
} |
||||
catch(...) { |
||||
return "Unknown error"; |
||||
} |
||||
} |
||||
@ -1,14 +0,0 @@ |
||||
#ifndef CPP_API_H |
||||
#define CPP_API_H |
||||
|
||||
#ifdef __cplusplus |
||||
extern "C" { |
||||
#endif |
||||
|
||||
const char *compileGo(char *code, int *err); |
||||
|
||||
#ifdef __cplusplus |
||||
} |
||||
#endif |
||||
|
||||
#endif |
||||
@ -1,27 +0,0 @@ |
||||
package serpent |
||||
|
||||
// #cgo CXXFLAGS: -I. -Ilangs/ -std=c++0x -Wall -fno-strict-aliasing
|
||||
// #cgo LDFLAGS: -lstdc++
|
||||
//
|
||||
// #include "cpp/api.h"
|
||||
//
|
||||
import "C" |
||||
|
||||
import ( |
||||
"encoding/hex" |
||||
"errors" |
||||
"unsafe" |
||||
) |
||||
|
||||
func Compile(str string) ([]byte, error) { |
||||
var err C.int |
||||
out := C.GoString(C.compileGo(C.CString(str), (*C.int)(unsafe.Pointer(&err)))) |
||||
|
||||
if err == C.int(1) { |
||||
return nil, errors.New(out) |
||||
} |
||||
|
||||
bytes, _ := hex.DecodeString(out) |
||||
|
||||
return bytes, nil |
||||
} |
||||
@ -1,12 +0,0 @@ |
||||
[._]*.s[a-w][a-z] |
||||
[._]s[a-w][a-z] |
||||
*.un~ |
||||
Session.vim |
||||
.netrwhist |
||||
*~ |
||||
*.o |
||||
serpent |
||||
libserpent.a |
||||
pyserpent.so |
||||
dist |
||||
*.egg-info |
||||
@ -1,5 +0,0 @@ |
||||
include *.cpp |
||||
include *.h |
||||
include *py |
||||
include README.md |
||||
include Makefile |
||||
@ -1,55 +0,0 @@ |
||||
PLATFORM_OPTS =
|
||||
PYTHON = /usr/include/python2.7
|
||||
CXXFLAGS = -fPIC
|
||||
# -g3 -O0
|
||||
BOOST_INC = /usr/include
|
||||
BOOST_LIB = /usr/lib
|
||||
TARGET = pyserpent
|
||||
COMMON_OBJS = bignum.o util.o tokenize.o lllparser.o parser.o opcodes.o optimize.o functions.o rewriteutils.o preprocess.o rewriter.o compiler.o funcs.o
|
||||
HEADERS = bignum.h util.h tokenize.h lllparser.h parser.h opcodes.h functions.h optimize.h rewriteutils.h preprocess.h rewriter.h compiler.h funcs.h
|
||||
PYTHON_VERSION = 2.7
|
||||
|
||||
serpent : serpentc lib |
||||
|
||||
lib: |
||||
ar rvs libserpent.a $(COMMON_OBJS)
|
||||
g++ $(CXXFLAGS) -shared $(COMMON_OBJS) -o libserpent.so
|
||||
|
||||
serpentc: $(COMMON_OBJS) cmdline.o |
||||
rm -rf serpent
|
||||
g++ -Wall $(COMMON_OBJS) cmdline.o -o serpent
|
||||
|
||||
bignum.o : bignum.cpp bignum.h |
||||
|
||||
opcodes.o : opcodes.cpp opcodes.h |
||||
|
||||
util.o : util.cpp util.h bignum.o |
||||
|
||||
tokenize.o : tokenize.cpp tokenize.h util.o |
||||
|
||||
lllparser.o : lllparser.cpp lllparser.h tokenize.o util.o |
||||
|
||||
parser.o : parser.cpp parser.h tokenize.o util.o |
||||
|
||||
rewriter.o : rewriter.cpp rewriter.h lllparser.o util.o rewriteutils.o preprocess.o opcodes.o functions.o |
||||
|
||||
preprocessor.o: rewriteutils.o functions.o |
||||
|
||||
compiler.o : compiler.cpp compiler.h util.o |
||||
|
||||
funcs.o : funcs.cpp funcs.h |
||||
|
||||
cmdline.o: cmdline.cpp |
||||
|
||||
pyext.o: pyext.cpp |
||||
|
||||
clean: |
||||
rm -f serpent *\.o libserpent.a libserpent.so
|
||||
|
||||
install: |
||||
cp serpent /usr/local/bin
|
||||
cp libserpent.a /usr/local/lib
|
||||
cp libserpent.so /usr/local/lib
|
||||
rm -rf /usr/local/include/libserpent
|
||||
mkdir -p /usr/local/include/libserpent
|
||||
cp $(HEADERS) /usr/local/include/libserpent
|
||||
@ -1,3 +0,0 @@ |
||||
Installation: |
||||
|
||||
```make && sudo make install``` |
||||
@ -1,112 +0,0 @@ |
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include <map> |
||||
#include "bignum.h" |
||||
|
||||
//Integer to string conversion
|
||||
std::string unsignedToDecimal(unsigned branch) { |
||||
if (branch < 10) return nums.substr(branch, 1); |
||||
else return unsignedToDecimal(branch / 10) + nums.substr(branch % 10,1); |
||||
} |
||||
|
||||
//Add two strings representing decimal values
|
||||
std::string decimalAdd(std::string a, std::string b) { |
||||
std::string o = a; |
||||
while (b.length() < a.length()) b = "0" + b; |
||||
while (o.length() < b.length()) o = "0" + o; |
||||
bool carry = false; |
||||
for (int i = o.length() - 1; i >= 0; i--) { |
||||
o[i] = o[i] + b[i] - '0'; |
||||
if (carry) o[i]++; |
||||
if (o[i] > '9') { |
||||
o[i] -= 10; |
||||
carry = true; |
||||
} |
||||
else carry = false; |
||||
} |
||||
if (carry) o = "1" + o; |
||||
return o; |
||||
} |
||||
|
||||
//Helper function for decimalMul
|
||||
std::string decimalDigitMul(std::string a, int dig) { |
||||
if (dig == 0) return "0"; |
||||
else return decimalAdd(a, decimalDigitMul(a, dig - 1)); |
||||
} |
||||
|
||||
//Multiply two strings representing decimal values
|
||||
std::string decimalMul(std::string a, std::string b) { |
||||
std::string o = "0"; |
||||
for (unsigned i = 0; i < b.length(); i++) { |
||||
std::string n = decimalDigitMul(a, b[i] - '0'); |
||||
if (n != "0") { |
||||
for (unsigned j = i + 1; j < b.length(); j++) n += "0"; |
||||
} |
||||
o = decimalAdd(o, n); |
||||
} |
||||
return o; |
||||
} |
||||
|
||||
//Modexp
|
||||
std::string decimalModExp(std::string b, std::string e, std::string m) { |
||||
if (e == "0") return "1"; |
||||
else if (e == "1") return b; |
||||
else if (decimalMod(e, "2") == "0") { |
||||
std::string o = decimalModExp(b, decimalDiv(e, "2"), m); |
||||
return decimalMod(decimalMul(o, o), m); |
||||
} |
||||
else { |
||||
std::string o = decimalModExp(b, decimalDiv(e, "2"), m); |
||||
return decimalMod(decimalMul(decimalMul(o, o), b), m); |
||||
} |
||||
} |
||||
|
||||
//Is a greater than b? Flag allows equality
|
||||
bool decimalGt(std::string a, std::string b, bool eqAllowed) { |
||||
if (a == b) return eqAllowed; |
||||
return (a.length() > b.length()) || (a.length() >= b.length() && a > b); |
||||
} |
||||
|
||||
//Subtract the two strings representing decimal values
|
||||
std::string decimalSub(std::string a, std::string b) { |
||||
if (b == "0") return a; |
||||
if (b == a) return "0"; |
||||
while (b.length() < a.length()) b = "0" + b; |
||||
std::string c = b; |
||||
for (unsigned i = 0; i < c.length(); i++) c[i] = '0' + ('9' - c[i]); |
||||
std::string o = decimalAdd(decimalAdd(a, c).substr(1), "1"); |
||||
while (o.size() > 1 && o[0] == '0') o = o.substr(1); |
||||
return o; |
||||
} |
||||
|
||||
//Divide the two strings representing decimal values
|
||||
std::string decimalDiv(std::string a, std::string b) { |
||||
std::string c = b; |
||||
if (decimalGt(c, a)) return "0"; |
||||
int zeroes = -1; |
||||
while (decimalGt(a, c, true)) { |
||||
zeroes += 1; |
||||
c = c + "0"; |
||||
} |
||||
c = c.substr(0, c.size() - 1); |
||||
std::string quot = "0"; |
||||
while (decimalGt(a, c, true)) { |
||||
a = decimalSub(a, c); |
||||
quot = decimalAdd(quot, "1"); |
||||
} |
||||
for (int i = 0; i < zeroes; i++) quot += "0"; |
||||
return decimalAdd(quot, decimalDiv(a, b)); |
||||
} |
||||
|
||||
//Modulo the two strings representing decimal values
|
||||
std::string decimalMod(std::string a, std::string b) { |
||||
return decimalSub(a, decimalMul(decimalDiv(a, b), b)); |
||||
} |
||||
|
||||
//String to int conversion
|
||||
unsigned decimalToUnsigned(std::string a) { |
||||
if (a.size() == 0) return 0; |
||||
else return (a[a.size() - 1] - '0')
|
||||
+ decimalToUnsigned(a.substr(0,a.size()-1)) * 10; |
||||
} |
||||
@ -1,41 +0,0 @@ |
||||
#ifndef ETHSERP_BIGNUM |
||||
#define ETHSERP_BIGNUM |
||||
|
||||
const std::string nums = "0123456789"; |
||||
|
||||
const std::string tt256 =
|
||||
"115792089237316195423570985008687907853269984665640564039457584007913129639936" |
||||
; |
||||
|
||||
const std::string tt256m1 =
|
||||
"115792089237316195423570985008687907853269984665640564039457584007913129639935" |
||||
; |
||||
|
||||
const std::string tt255 = |
||||
"57896044618658097711785492504343953926634992332820282019728792003956564819968"; |
||||
|
||||
const std::string tt176 = |
||||
"95780971304118053647396689196894323976171195136475136"; |
||||
|
||||
std::string unsignedToDecimal(unsigned branch); |
||||
|
||||
std::string decimalAdd(std::string a, std::string b); |
||||
|
||||
std::string decimalMul(std::string a, std::string b); |
||||
|
||||
std::string decimalSub(std::string a, std::string b); |
||||
|
||||
std::string decimalDiv(std::string a, std::string b); |
||||
|
||||
std::string decimalMod(std::string a, std::string b); |
||||
|
||||
std::string decimalModExp(std::string b, std::string e, std::string m); |
||||
|
||||
bool decimalGt(std::string a, std::string b, bool eqAllowed=false); |
||||
|
||||
unsigned decimalToUnsigned(std::string a); |
||||
|
||||
#define utd unsignedToDecimal |
||||
#define dtu decimalToUnsigned |
||||
|
||||
#endif |
||||
@ -1,132 +0,0 @@ |
||||
#include <stdio.h> |
||||
#include <string> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include <map> |
||||
#include "funcs.h" |
||||
|
||||
int main(int argv, char** argc) { |
||||
if (argv == 1) { |
||||
std::cerr << "Must provide a command and arguments! Try parse, rewrite, compile, assemble\n"; |
||||
return 0; |
||||
} |
||||
if (argv == 2 && std::string(argc[1]) == "--help" || std::string(argc[1]) == "-h" ) { |
||||
std::cout << argc[1] << "\n"; |
||||
|
||||
std::cout << "serpent command input\n"; |
||||
std::cout << "where input -s for from stdin, a file, or interpreted as serpent code if does not exist as file."; |
||||
std::cout << "where command: \n"; |
||||
std::cout << " parse: Just parses and returns s-expression code.\n"; |
||||
std::cout << " rewrite: Parse, use rewrite rules print s-expressions of result.\n"; |
||||
std::cout << " compile: Return resulting compiled EVM code in hex.\n"; |
||||
std::cout << " assemble: Return result from step before compilation.\n"; |
||||
return 0; |
||||
} |
||||
|
||||
std::string flag = ""; |
||||
std::string command = argc[1]; |
||||
std::string input; |
||||
std::string secondInput; |
||||
if (std::string(argc[1]) == "-s") { |
||||
flag = command.substr(1); |
||||
command = argc[2]; |
||||
input = ""; |
||||
std::string line; |
||||
while (std::getline(std::cin, line)) { |
||||
input += line + "\n"; |
||||
} |
||||
secondInput = argv == 3 ? "" : argc[3]; |
||||
} |
||||
else { |
||||
if (argv == 2) { |
||||
std::cerr << "Not enough arguments for serpent cmdline\n"; |
||||
throw(0); |
||||
} |
||||
input = argc[2]; |
||||
secondInput = argv == 3 ? "" : argc[3]; |
||||
} |
||||
bool haveSec = secondInput.length() > 0; |
||||
if (command == "parse" || command == "parse_serpent") { |
||||
std::cout << printAST(parseSerpent(input), haveSec) << "\n"; |
||||
} |
||||
else if (command == "rewrite") { |
||||
std::cout << printAST(rewrite(parseLLL(input, true)), haveSec) << "\n"; |
||||
} |
||||
else if (command == "compile_to_lll") { |
||||
std::cout << printAST(compileToLLL(input), haveSec) << "\n"; |
||||
} |
||||
else if (command == "rewrite_chunk") { |
||||
std::cout << printAST(rewriteChunk(parseLLL(input, true)), haveSec) << "\n"; |
||||
} |
||||
else if (command == "compile_chunk_to_lll") { |
||||
std::cout << printAST(compileChunkToLLL(input), haveSec) << "\n"; |
||||
} |
||||
else if (command == "build_fragtree") { |
||||
std::cout << printAST(buildFragmentTree(parseLLL(input, true))) << "\n"; |
||||
} |
||||
else if (command == "compile_lll") { |
||||
std::cout << binToHex(compileLLL(parseLLL(input, true))) << "\n"; |
||||
} |
||||
else if (command == "dereference") { |
||||
std::cout << printAST(dereference(parseLLL(input, true)), haveSec) <<"\n"; |
||||
} |
||||
else if (command == "pretty_assemble") { |
||||
std::cout << printTokens(prettyAssemble(parseLLL(input, true))) <<"\n"; |
||||
} |
||||
else if (command == "pretty_compile_lll") { |
||||
std::cout << printTokens(prettyCompileLLL(parseLLL(input, true))) << "\n"; |
||||
} |
||||
else if (command == "pretty_compile") { |
||||
std::cout << printTokens(prettyCompile(input)) << "\n"; |
||||
} |
||||
else if (command == "pretty_compile_chunk") { |
||||
std::cout << printTokens(prettyCompileChunk(input)) << "\n"; |
||||
} |
||||
else if (command == "assemble") { |
||||
std::cout << assemble(parseLLL(input, true)) << "\n"; |
||||
} |
||||
else if (command == "serialize") { |
||||
std::cout << binToHex(serialize(tokenize(input, Metadata(), false))) << "\n"; |
||||
} |
||||
else if (command == "flatten") { |
||||
std::cout << printTokens(flatten(parseLLL(input, true))) << "\n"; |
||||
} |
||||
else if (command == "deserialize") { |
||||
std::cout << printTokens(deserialize(hexToBin(input))) << "\n"; |
||||
} |
||||
else if (command == "compile") { |
||||
std::cout << binToHex(compile(input)) << "\n"; |
||||
} |
||||
else if (command == "compile_chunk") { |
||||
std::cout << binToHex(compileChunk(input)) << "\n"; |
||||
} |
||||
else if (command == "encode_datalist") { |
||||
std::vector<Node> tokens = tokenize(input); |
||||
std::vector<std::string> o; |
||||
for (int i = 0; i < (int)tokens.size(); i++) { |
||||
o.push_back(tokens[i].val); |
||||
} |
||||
std::cout << binToHex(encodeDatalist(o)) << "\n"; |
||||
} |
||||
else if (command == "decode_datalist") { |
||||
std::vector<std::string> o = decodeDatalist(hexToBin(input)); |
||||
std::vector<Node> tokens; |
||||
for (int i = 0; i < (int)o.size(); i++) |
||||
tokens.push_back(token(o[i])); |
||||
std::cout << printTokens(tokens) << "\n"; |
||||
} |
||||
else if (command == "tokenize") { |
||||
std::cout << printTokens(tokenize(input)); |
||||
} |
||||
else if (command == "biject") { |
||||
if (argv == 3) |
||||
std::cerr << "Not enough arguments for biject\n"; |
||||
int pos = decimalToUnsigned(secondInput); |
||||
std::vector<Node> n = prettyCompile(input); |
||||
if (pos >= (int)n.size()) |
||||
std::cerr << "Code position too high\n"; |
||||
Metadata m = n[pos].metadata; |
||||
std::cout << "Opcode: " << n[pos].val << ", file: " << m.file <<
|
||||
", line: " << m.ln << ", char: " << m.ch << "\n"; |
||||
} |
||||
} |
||||
@ -1,554 +0,0 @@ |
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include <map> |
||||
#include "util.h" |
||||
#include "bignum.h" |
||||
#include "opcodes.h" |
||||
|
||||
struct programAux { |
||||
std::map<std::string, std::string> vars; |
||||
int nextVarMem; |
||||
bool allocUsed; |
||||
bool calldataUsed; |
||||
int step; |
||||
int labelLength; |
||||
}; |
||||
|
||||
struct programVerticalAux { |
||||
int height; |
||||
std::string innerScopeName; |
||||
std::map<std::string, int> dupvars; |
||||
std::map<std::string, int> funvars; |
||||
std::vector<mss> scopes; |
||||
}; |
||||
|
||||
struct programData { |
||||
programAux aux; |
||||
Node code; |
||||
int outs; |
||||
}; |
||||
|
||||
programAux Aux() { |
||||
programAux o; |
||||
o.allocUsed = false; |
||||
o.calldataUsed = false; |
||||
o.step = 0; |
||||
o.nextVarMem = 32; |
||||
return o; |
||||
} |
||||
|
||||
programVerticalAux verticalAux() { |
||||
programVerticalAux o; |
||||
o.height = 0; |
||||
o.dupvars = std::map<std::string, int>(); |
||||
o.funvars = std::map<std::string, int>(); |
||||
o.scopes = std::vector<mss>(); |
||||
return o; |
||||
} |
||||
|
||||
programData pd(programAux aux = Aux(), Node code=token("_"), int outs=0) { |
||||
programData o; |
||||
o.aux = aux; |
||||
o.code = code; |
||||
o.outs = outs; |
||||
return o; |
||||
} |
||||
|
||||
Node multiToken(Node nodes[], int len, Metadata met) { |
||||
std::vector<Node> out; |
||||
for (int i = 0; i < len; i++) { |
||||
out.push_back(nodes[i]); |
||||
} |
||||
return astnode("_", out, met); |
||||
} |
||||
|
||||
Node finalize(programData c); |
||||
|
||||
Node popwrap(Node node) { |
||||
Node nodelist[] = { |
||||
node, |
||||
token("POP", node.metadata) |
||||
}; |
||||
return multiToken(nodelist, 2, node.metadata); |
||||
} |
||||
|
||||
// Grabs variables
|
||||
mss getVariables(Node node, mss cur=mss()) { |
||||
Metadata m = node.metadata; |
||||
// Tokens don't contain any variables
|
||||
if (node.type == TOKEN) |
||||
return cur; |
||||
// Don't descend into call fragments
|
||||
else if (node.val == "lll") |
||||
return getVariables(node.args[1], cur); |
||||
// At global scope get/set/ref also declare
|
||||
else if (node.val == "get" || node.val == "set" || node.val == "ref") { |
||||
if (node.args[0].type != TOKEN) |
||||
err("Variable name must be simple token," |
||||
" not complex expression!", m); |
||||
if (!cur.count(node.args[0].val)) { |
||||
cur[node.args[0].val] = utd(cur.size() * 32 + 32); |
||||
//std::cerr << node.args[0].val << " " << cur[node.args[0].val] << "\n";
|
||||
} |
||||
} |
||||
// Recursively process children
|
||||
for (unsigned i = 0; i < node.args.size(); i++) { |
||||
cur = getVariables(node.args[i], cur); |
||||
} |
||||
return cur; |
||||
} |
||||
|
||||
// Turns LLL tree into tree of code fragments
|
||||
programData opcodeify(Node node, |
||||
programAux aux=Aux(), |
||||
programVerticalAux vaux=verticalAux()) { |
||||
std::string symb = "_"+mkUniqueToken(); |
||||
Metadata m = node.metadata; |
||||
// Get variables
|
||||
if (!aux.vars.size()) { |
||||
aux.vars = getVariables(node); |
||||
aux.nextVarMem = aux.vars.size() * 32 + 32; |
||||
} |
||||
// Numbers
|
||||
if (node.type == TOKEN) { |
||||
return pd(aux, nodeToNumeric(node), 1); |
||||
} |
||||
else if (node.val == "ref" || node.val == "get" || node.val == "set") { |
||||
std::string varname = node.args[0].val; |
||||
// Determine reference to variable
|
||||
Node varNode = tkn(aux.vars[varname], m); |
||||
//std::cerr << varname << " " << printSimple(varNode) << "\n";
|
||||
// Set variable
|
||||
if (node.val == "set") { |
||||
programData sub = opcodeify(node.args[1], aux, vaux); |
||||
if (!sub.outs) |
||||
err("Value to set variable must have nonzero arity!", m); |
||||
// What if we are setting a stack variable?
|
||||
if (vaux.dupvars.count(node.args[0].val)) { |
||||
int h = vaux.height - vaux.dupvars[node.args[0].val]; |
||||
if (h > 16) err("Too deep for stack variable (max 16)", m); |
||||
Node nodelist[] = { |
||||
sub.code, |
||||
token("SWAP"+unsignedToDecimal(h), m), |
||||
token("POP", m) |
||||
}; |
||||
return pd(sub.aux, multiToken(nodelist, 3, m), 0);
|
||||
} |
||||
// Setting a memory variable
|
||||
else { |
||||
Node nodelist[] = { |
||||
sub.code, |
||||
varNode, |
||||
token("MSTORE", m), |
||||
}; |
||||
return pd(sub.aux, multiToken(nodelist, 3, m), 0);
|
||||
} |
||||
} |
||||
// Get variable
|
||||
else if (node.val == "get") { |
||||
// Getting a stack variable
|
||||
if (vaux.dupvars.count(node.args[0].val)) { |
||||
int h = vaux.height - vaux.dupvars[node.args[0].val]; |
||||
if (h > 16) err("Too deep for stack variable (max 16)", m); |
||||
return pd(aux, token("DUP"+unsignedToDecimal(h)), 1);
|
||||
} |
||||
// Getting a memory variable
|
||||
else { |
||||
Node nodelist[] =
|
||||
{ varNode, token("MLOAD", m) }; |
||||
return pd(aux, multiToken(nodelist, 2, m), 1); |
||||
} |
||||
} |
||||
// Refer variable
|
||||
else if (node.val == "ref") { |
||||
if (vaux.dupvars.count(node.args[0].val)) |
||||
err("Cannot ref stack variable!", m); |
||||
return pd(aux, varNode, 1); |
||||
} |
||||
} |
||||
// Comments do nothing
|
||||
else if (node.val == "comment") { |
||||
Node nodelist[] = { }; |
||||
return pd(aux, multiToken(nodelist, 0, m), 0); |
||||
} |
||||
// Custom operation sequence
|
||||
// eg. (ops bytez id msize swap1 msize add 0 swap1 mstore) == alloc
|
||||
if (node.val == "ops") { |
||||
std::vector<Node> subs2; |
||||
int depth = 0; |
||||
for (unsigned i = 0; i < node.args.size(); i++) { |
||||
std::string op = upperCase(node.args[i].val); |
||||
if (node.args[i].type == ASTNODE || opinputs(op) == -1) { |
||||
programVerticalAux vaux2 = vaux; |
||||
vaux2.height = vaux.height - i - 1 + node.args.size(); |
||||
programData sub = opcodeify(node.args[i], aux, vaux2); |
||||
aux = sub.aux; |
||||
depth += sub.outs; |
||||
subs2.push_back(sub.code); |
||||
} |
||||
else { |
||||
subs2.push_back(token(op, m)); |
||||
depth += opoutputs(op) - opinputs(op); |
||||
} |
||||
} |
||||
if (depth < 0 || depth > 1) err("Stack depth mismatch", m); |
||||
return pd(aux, astnode("_", subs2, m), 0); |
||||
} |
||||
// Code blocks
|
||||
if (node.val == "lll" && node.args.size() == 2) { |
||||
if (node.args[1].val != "0") aux.allocUsed = true; |
||||
std::vector<Node> o; |
||||
o.push_back(finalize(opcodeify(node.args[0]))); |
||||
programData sub = opcodeify(node.args[1], aux, vaux); |
||||
Node code = astnode("____CODE", o, m); |
||||
Node nodelist[] = { |
||||
token("$begincode"+symb+".endcode"+symb, m), token("DUP1", m), |
||||
token("$begincode"+symb, m), sub.code, token("CODECOPY", m), |
||||
token("$endcode"+symb, m), token("JUMP", m), |
||||
token("~begincode"+symb, m), code,
|
||||
token("~endcode"+symb, m), token("JUMPDEST", m) |
||||
}; |
||||
return pd(sub.aux, multiToken(nodelist, 11, m), 1); |
||||
} |
||||
// Stack variables
|
||||
if (node.val == "with") { |
||||
programData initial = opcodeify(node.args[1], aux, vaux); |
||||
programVerticalAux vaux2 = vaux; |
||||
vaux2.dupvars[node.args[0].val] = vaux.height; |
||||
vaux2.height += 1; |
||||
if (!initial.outs) |
||||
err("Initial variable value must have nonzero arity!", m); |
||||
programData sub = opcodeify(node.args[2], initial.aux, vaux2); |
||||
Node nodelist[] = { |
||||
initial.code, |
||||
sub.code |
||||
}; |
||||
programData o = pd(sub.aux, multiToken(nodelist, 2, m), sub.outs); |
||||
if (sub.outs) |
||||
o.code.args.push_back(token("SWAP1", m)); |
||||
o.code.args.push_back(token("POP", m)); |
||||
return o; |
||||
} |
||||
// Seq of multiple statements
|
||||
if (node.val == "seq") { |
||||
std::vector<Node> children; |
||||
int lastOut = 0; |
||||
for (unsigned i = 0; i < node.args.size(); i++) { |
||||
programData sub = opcodeify(node.args[i], aux, vaux); |
||||
aux = sub.aux; |
||||
if (sub.outs == 1) { |
||||
if (i < node.args.size() - 1) sub.code = popwrap(sub.code); |
||||
else lastOut = 1; |
||||
} |
||||
children.push_back(sub.code); |
||||
} |
||||
return pd(aux, astnode("_", children, m), lastOut); |
||||
} |
||||
// 2-part conditional (if gets rewritten to unless in rewrites)
|
||||
else if (node.val == "unless" && node.args.size() == 2) { |
||||
programData cond = opcodeify(node.args[0], aux, vaux); |
||||
programData action = opcodeify(node.args[1], cond.aux, vaux); |
||||
aux = action.aux; |
||||
if (!cond.outs) err("Condition of if/unless statement has arity 0", m); |
||||
if (action.outs) action.code = popwrap(action.code); |
||||
Node nodelist[] = { |
||||
cond.code, |
||||
token("$endif"+symb, m), token("JUMPI", m), |
||||
action.code, |
||||
token("~endif"+symb, m), token("JUMPDEST", m) |
||||
}; |
||||
return pd(aux, multiToken(nodelist, 6, m), 0); |
||||
} |
||||
// 3-part conditional
|
||||
else if (node.val == "if" && node.args.size() == 3) { |
||||
programData ifd = opcodeify(node.args[0], aux, vaux); |
||||
programData thend = opcodeify(node.args[1], ifd.aux, vaux); |
||||
programData elsed = opcodeify(node.args[2], thend.aux, vaux); |
||||
aux = elsed.aux; |
||||
if (!ifd.outs) |
||||
err("Condition of if/unless statement has arity 0", m); |
||||
// Handle cases where one conditional outputs something
|
||||
// and the other does not
|
||||
int outs = (thend.outs && elsed.outs) ? 1 : 0; |
||||
if (thend.outs > outs) thend.code = popwrap(thend.code); |
||||
if (elsed.outs > outs) elsed.code = popwrap(elsed.code); |
||||
Node nodelist[] = { |
||||
ifd.code, |
||||
token("ISZERO", m), |
||||
token("$else"+symb, m), token("JUMPI", m), |
||||
thend.code, |
||||
token("$endif"+symb, m), token("JUMP", m), |
||||
token("~else"+symb, m), token("JUMPDEST", m), |
||||
elsed.code, |
||||
token("~endif"+symb, m), token("JUMPDEST", m) |
||||
}; |
||||
return pd(aux, multiToken(nodelist, 12, m), outs); |
||||
} |
||||
// While (rewritten to this in rewrites)
|
||||
else if (node.val == "until") { |
||||
programData cond = opcodeify(node.args[0], aux, vaux); |
||||
programData action = opcodeify(node.args[1], cond.aux, vaux); |
||||
aux = action.aux; |
||||
if (!cond.outs) |
||||
err("Condition of while/until loop has arity 0", m); |
||||
if (action.outs) action.code = popwrap(action.code); |
||||
Node nodelist[] = { |
||||
token("~beg"+symb, m), token("JUMPDEST", m), |
||||
cond.code, |
||||
token("$end"+symb, m), token("JUMPI", m), |
||||
action.code, |
||||
token("$beg"+symb, m), token("JUMP", m), |
||||
token("~end"+symb, m), token("JUMPDEST", m), |
||||
}; |
||||
return pd(aux, multiToken(nodelist, 10, m)); |
||||
} |
||||
// Memory allocations
|
||||
else if (node.val == "alloc") { |
||||
programData bytez = opcodeify(node.args[0], aux, vaux); |
||||
aux = bytez.aux; |
||||
if (!bytez.outs) |
||||
err("Alloc input has arity 0", m); |
||||
aux.allocUsed = true; |
||||
Node nodelist[] = { |
||||
bytez.code, |
||||
token("MSIZE", m), token("SWAP1", m), token("MSIZE", m), |
||||
token("ADD", m),
|
||||
token("0", m), token("SWAP1", m), token("MSTORE", m) |
||||
}; |
||||
return pd(aux, multiToken(nodelist, 8, m), 1); |
||||
} |
||||
// All other functions/operators
|
||||
else { |
||||
std::vector<Node> subs2; |
||||
int depth = opinputs(upperCase(node.val)); |
||||
if (depth == -1) |
||||
err("Not a function or opcode: "+node.val, m); |
||||
if ((int)node.args.size() != depth) |
||||
err("Invalid arity for "+node.val, m); |
||||
for (int i = node.args.size() - 1; i >= 0; i--) { |
||||
programVerticalAux vaux2 = vaux; |
||||
vaux2.height = vaux.height - i - 1 + node.args.size(); |
||||
programData sub = opcodeify(node.args[i], aux, vaux2); |
||||
aux = sub.aux; |
||||
if (!sub.outs) |
||||
err("Input "+unsignedToDecimal(i)+" has arity 0", sub.code.metadata); |
||||
subs2.push_back(sub.code); |
||||
} |
||||
subs2.push_back(token(upperCase(node.val), m)); |
||||
int outdepth = opoutputs(upperCase(node.val)); |
||||
return pd(aux, astnode("_", subs2, m), outdepth); |
||||
} |
||||
} |
||||
|
||||
// Adds necessary wrappers to a program
|
||||
Node finalize(programData c) { |
||||
std::vector<Node> bottom; |
||||
Metadata m = c.code.metadata; |
||||
// If we are using both alloc and variables, we need to pre-zfill
|
||||
// some memory
|
||||
if ((c.aux.allocUsed || c.aux.calldataUsed) && c.aux.vars.size() > 0) { |
||||
Node nodelist[] = { |
||||
token("0", m),
|
||||
token(unsignedToDecimal(c.aux.nextVarMem - 1)), |
||||
token("MSTORE8", m) |
||||
}; |
||||
bottom.push_back(multiToken(nodelist, 3, m)); |
||||
} |
||||
// The actual code
|
||||
bottom.push_back(c.code); |
||||
return astnode("_", bottom, m); |
||||
} |
||||
|
||||
//LLL -> code fragment tree
|
||||
Node buildFragmentTree(Node node) { |
||||
return finalize(opcodeify(node)); |
||||
} |
||||
|
||||
|
||||
// Builds a dictionary mapping labels to variable names
|
||||
programAux buildDict(Node program, programAux aux, int labelLength) { |
||||
Metadata m = program.metadata; |
||||
// Token
|
||||
if (program.type == TOKEN) { |
||||
if (isNumberLike(program)) { |
||||
aux.step += 1 + toByteArr(program.val, m).size(); |
||||
} |
||||
else if (program.val[0] == '~') { |
||||
aux.vars[program.val.substr(1)] = unsignedToDecimal(aux.step); |
||||
} |
||||
else if (program.val[0] == '$') { |
||||
aux.step += labelLength + 1; |
||||
} |
||||
else aux.step += 1; |
||||
} |
||||
// A sub-program (ie. LLL)
|
||||
else if (program.val == "____CODE") { |
||||
programAux auks = Aux(); |
||||
for (unsigned i = 0; i < program.args.size(); i++) { |
||||
auks = buildDict(program.args[i], auks, labelLength); |
||||
} |
||||
for (std::map<std::string,std::string>::iterator it=auks.vars.begin(); |
||||
it != auks.vars.end(); |
||||
it++) { |
||||
aux.vars[(*it).first] = (*it).second; |
||||
} |
||||
aux.step += auks.step; |
||||
} |
||||
// Normal sub-block
|
||||
else { |
||||
for (unsigned i = 0; i < program.args.size(); i++) { |
||||
aux = buildDict(program.args[i], aux, labelLength); |
||||
} |
||||
} |
||||
return aux; |
||||
} |
||||
|
||||
// Applies that dictionary
|
||||
Node substDict(Node program, programAux aux, int labelLength) { |
||||
Metadata m = program.metadata; |
||||
std::vector<Node> out; |
||||
std::vector<Node> inner; |
||||
if (program.type == TOKEN) { |
||||
if (program.val[0] == '$') { |
||||
std::string tokStr = "PUSH"+unsignedToDecimal(labelLength); |
||||
out.push_back(token(tokStr, m)); |
||||
int dotLoc = program.val.find('.'); |
||||
if (dotLoc == -1) { |
||||
std::string val = aux.vars[program.val.substr(1)]; |
||||
inner = toByteArr(val, m, labelLength); |
||||
} |
||||
else { |
||||
std::string start = aux.vars[program.val.substr(1, dotLoc-1)], |
||||
end = aux.vars[program.val.substr(dotLoc + 1)], |
||||
dist = decimalSub(end, start); |
||||
inner = toByteArr(dist, m, labelLength); |
||||
} |
||||
out.push_back(astnode("_", inner, m)); |
||||
} |
||||
else if (program.val[0] == '~') { } |
||||
else if (isNumberLike(program)) { |
||||
inner = toByteArr(program.val, m); |
||||
out.push_back(token("PUSH"+unsignedToDecimal(inner.size()))); |
||||
out.push_back(astnode("_", inner, m)); |
||||
} |
||||
else return program; |
||||
} |
||||
else { |
||||
for (unsigned i = 0; i < program.args.size(); i++) { |
||||
Node n = substDict(program.args[i], aux, labelLength); |
||||
if (n.type == TOKEN || n.args.size()) out.push_back(n); |
||||
} |
||||
} |
||||
return astnode("_", out, m); |
||||
} |
||||
|
||||
// Compiled fragtree -> compiled fragtree without labels
|
||||
Node dereference(Node program) { |
||||
int sz = treeSize(program) * 4; |
||||
int labelLength = 1; |
||||
while (sz >= 256) { labelLength += 1; sz /= 256; } |
||||
programAux aux = buildDict(program, Aux(), labelLength); |
||||
return substDict(program, aux, labelLength); |
||||
} |
||||
|
||||
// Dereferenced fragtree -> opcodes
|
||||
std::vector<Node> flatten(Node derefed) { |
||||
std::vector<Node> o; |
||||
if (derefed.type == TOKEN) { |
||||
o.push_back(derefed); |
||||
} |
||||
else { |
||||
for (unsigned i = 0; i < derefed.args.size(); i++) { |
||||
std::vector<Node> oprime = flatten(derefed.args[i]); |
||||
for (unsigned j = 0; j < oprime.size(); j++) o.push_back(oprime[j]); |
||||
} |
||||
} |
||||
return o; |
||||
} |
||||
|
||||
// Opcodes -> bin
|
||||
std::string serialize(std::vector<Node> codons) { |
||||
std::string o; |
||||
for (unsigned i = 0; i < codons.size(); i++) { |
||||
int v; |
||||
if (isNumberLike(codons[i])) { |
||||
v = decimalToUnsigned(codons[i].val); |
||||
} |
||||
else if (codons[i].val.substr(0,4) == "PUSH") { |
||||
v = 95 + decimalToUnsigned(codons[i].val.substr(4)); |
||||
} |
||||
else { |
||||
v = opcode(codons[i].val); |
||||
} |
||||
o += (char)v; |
||||
} |
||||
return o; |
||||
} |
||||
|
||||
// Bin -> opcodes
|
||||
std::vector<Node> deserialize(std::string ser) { |
||||
std::vector<Node> o; |
||||
int backCount = 0; |
||||
for (unsigned i = 0; i < ser.length(); i++) { |
||||
unsigned char v = (unsigned char)ser[i]; |
||||
std::string oper = op((int)v); |
||||
if (oper != "" && backCount <= 0) o.push_back(token(oper)); |
||||
else if (v >= 96 && v < 128 && backCount <= 0) { |
||||
o.push_back(token("PUSH"+unsignedToDecimal(v - 95))); |
||||
} |
||||
else o.push_back(token(unsignedToDecimal(v))); |
||||
if (v >= 96 && v < 128 && backCount <= 0) { |
||||
backCount = v - 95; |
||||
} |
||||
else backCount--; |
||||
} |
||||
return o; |
||||
} |
||||
|
||||
// Fragtree -> bin
|
||||
std::string assemble(Node fragTree) { |
||||
return serialize(flatten(dereference(fragTree))); |
||||
} |
||||
|
||||
// Fragtree -> tokens
|
||||
std::vector<Node> prettyAssemble(Node fragTree) { |
||||
return flatten(dereference(fragTree)); |
||||
} |
||||
|
||||
// LLL -> bin
|
||||
std::string compileLLL(Node program) { |
||||
return assemble(buildFragmentTree(program)); |
||||
} |
||||
|
||||
// LLL -> tokens
|
||||
std::vector<Node> prettyCompileLLL(Node program) { |
||||
return prettyAssemble(buildFragmentTree(program)); |
||||
} |
||||
|
||||
// Converts a list of integer values to binary transaction data
|
||||
std::string encodeDatalist(std::vector<std::string> vals) { |
||||
std::string o; |
||||
for (unsigned i = 0; i < vals.size(); i++) { |
||||
std::vector<Node> n = toByteArr(strToNumeric(vals[i]), Metadata(), 32); |
||||
for (unsigned j = 0; j < n.size(); j++) { |
||||
int v = decimalToUnsigned(n[j].val); |
||||
o += (char)v; |
||||
} |
||||
} |
||||
return o; |
||||
} |
||||
|
||||
// Converts binary transaction data into a list of integer values
|
||||
std::vector<std::string> decodeDatalist(std::string ser) { |
||||
std::vector<std::string> out; |
||||
for (unsigned i = 0; i < ser.length(); i+= 32) { |
||||
std::string o = "0"; |
||||
for (unsigned j = i; j < i + 32; j++) { |
||||
int vj = (int)(unsigned char)ser[j]; |
||||
o = decimalAdd(decimalMul(o, "256"), unsignedToDecimal(vj)); |
||||
} |
||||
out.push_back(o); |
||||
} |
||||
return out; |
||||
} |
||||
@ -1,43 +0,0 @@ |
||||
#ifndef ETHSERP_COMPILER |
||||
#define ETHSERP_COMPILER |
||||
|
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include <map> |
||||
#include "util.h" |
||||
|
||||
// Compiled fragtree -> compiled fragtree without labels
|
||||
Node dereference(Node program); |
||||
|
||||
// LLL -> fragtree
|
||||
Node buildFragmentTree(Node program); |
||||
|
||||
// Dereferenced fragtree -> opcodes
|
||||
std::vector<Node> flatten(Node derefed); |
||||
|
||||
// opcodes -> bin
|
||||
std::string serialize(std::vector<Node> codons); |
||||
|
||||
// Fragtree -> bin
|
||||
std::string assemble(Node fragTree); |
||||
|
||||
// Fragtree -> opcodes
|
||||
std::vector<Node> prettyAssemble(Node fragTree); |
||||
|
||||
// LLL -> bin
|
||||
std::string compileLLL(Node program); |
||||
|
||||
// LLL -> opcodes
|
||||
std::vector<Node> prettyCompileLLL(Node program); |
||||
|
||||
// bin -> opcodes
|
||||
std::vector<Node> deserialize(std::string ser); |
||||
|
||||
// Converts a list of integer values to binary transaction data
|
||||
std::string encodeDatalist(std::vector<std::string> vals); |
||||
|
||||
// Converts binary transaction data into a list of integer values
|
||||
std::vector<std::string> decodeDatalist(std::string ser); |
||||
|
||||
#endif |
||||
@ -1,11 +0,0 @@ |
||||
#include <libserpent/funcs.h> |
||||
#include <libserpent/bignum.h> |
||||
#include <iostream> |
||||
|
||||
using namespace std; |
||||
|
||||
int main() { |
||||
cout << printAST(compileToLLL(get_file_contents("examples/namecoin.se"))) << "\n"; |
||||
cout << decimalSub("10234", "10234") << "\n"; |
||||
cout << decimalSub("10234", "10233") << "\n"; |
||||
} |
||||
11
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/collatz.se
generated
vendored
11
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/collatz.se
generated
vendored
@ -1,11 +0,0 @@ |
||||
x = msg.data[0] |
||||
steps = 0 |
||||
|
||||
while x > 1: |
||||
steps += 1 |
||||
if (x % 2) == 0: |
||||
x /= 2 |
||||
else: |
||||
x = 3 * x + 1 |
||||
|
||||
return(steps) |
||||
@ -1,274 +0,0 @@ |
||||
# Ethereum forks Counterparty in 340 lines of serpent |
||||
# Not yet tested |
||||
|
||||
# assets[i] = a registered asset, assets[i].holders[j] = former or current i-holder |
||||
data assets[2^50](creator, name, calldate, callprice, dividend_paid, holders[2^50], holdersCount) |
||||
data nextAssetId |
||||
|
||||
# holdersMap: holdersMap[addr][asset] = 1 if addr holds asset |
||||
data holdersMap[2^160][2^50] |
||||
|
||||
# balances[x][y] = how much of y x holds |
||||
data balances[2^160][2^50] |
||||
|
||||
# orders[a][b] = heap of indices to (c, d, e) |
||||
# = c offers to sell d units of a at a price of e units of b per 10^18 units |
||||
# of a |
||||
data orderbooks[2^50][2^50] |
||||
|
||||
# store of general order data |
||||
data orders[2^50](seller, asset_sold, quantity, price) |
||||
data ordersCount |
||||
|
||||
# data feeds |
||||
data feeds[2^50](owner, value) |
||||
data feedCount |
||||
|
||||
# heap |
||||
data heap |
||||
extern heap: [register, push, pop, top, size] |
||||
|
||||
data cfds[2^50](maker, acceptor, feed, asset, strike, leverage, min, max, maturity) |
||||
data cfdCount |
||||
|
||||
data bets[2^50](maker, acceptor, feed, asset, makerstake, acceptorstake, eqtest, maturity) |
||||
data betCount |
||||
|
||||
def init(): |
||||
heap = create('heap.se') |
||||
|
||||
# Add units (internal method) |
||||
def add(to, asset, value): |
||||
assert msg.sender == self |
||||
self.balances[to][asset] += value |
||||
# Add the holder to the holders list |
||||
if not self.holdersMap[to][asset]: |
||||
self.holdersMap[to][asset] = 1 |
||||
c = self.assets[asset].holdersCount |
||||
self.assets[asset].holders[c] = to |
||||
self.assets[asset].holdersCount = c + 1 |
||||
|
||||
# Register a new asset |
||||
def register_asset(q, name, calldate, callprice): |
||||
newid = self.nextAssetId |
||||
self.assets[newid].creator = msg.sender |
||||
self.assets[newid].name = name |
||||
self.assets[newid].calldate = calldate |
||||
self.assets[newid].callprice = callprice |
||||
self.assets[newid].holders[0] = msg.sender |
||||
self.assets[newid].holdersCount = 1 |
||||
self.balances[msg.sender][newid] = q |
||||
self.holdersMap[msg.sender][newid] = 1 |
||||
|
||||
# Send |
||||
def send(to, asset, value): |
||||
fromval = self.balances[msg.sender][asset] |
||||
if fromval >= value: |
||||
self.balances[msg.sender][asset] -= value |
||||
self.add(to, asset, value) |
||||
|
||||
# Order |
||||
def mkorder(selling, buying, quantity, price): |
||||
# Make sure you have enough to pay for the order |
||||
assert self.balances[msg.sender][selling] >= quantity: |
||||
# Try to match existing orders |
||||
o = orderbooks[buying][selling] |
||||
if not o: |
||||
o = self.heap.register() |
||||
orderbooks[selling][buying] = o |
||||
sz = self.heap.size(o) |
||||
invprice = 10^36 / price |
||||
while quantity > 0 and sz > 0: |
||||
orderid = self.heap.pop() |
||||
p = self.orders[orderid].price |
||||
if p > invprice: |
||||
sz = 0 |
||||
else: |
||||
q = self.orders[orderid].quantity |
||||
oq = min(q, quantity) |
||||
b = self.orders[orderid].seller |
||||
self.balances[msg.sender][selling] -= oq * p / 10^18 |
||||
self.add(msg.sender, buying, oq) |
||||
self.add(b, selling, oq * p / 10^18) |
||||
self.orders[orderid].quantity = q - oq |
||||
if oq == q: |
||||
self.orders[orderid].seller = 0 |
||||
self.orders[orderid].price = 0 |
||||
self.orders[orderid].asset_sold = 0 |
||||
quantity -= oq |
||||
sz -= 1 |
||||
assert quantity > 0 |
||||
# Make the order |
||||
c = self.ordersCount |
||||
self.orders[c].seller = msg.sender |
||||
self.orders[c].asset_sold = selling |
||||
self.orders[c].quantity = quantity |
||||
self.orders[c].price = price |
||||
self.ordersCount += 1 |
||||
# Add it to the heap |
||||
o = orderbooks[selling][buying] |
||||
if not o: |
||||
o = self.heap.register() |
||||
orderbooks[selling][buying] = o |
||||
self.balances[msg.sender][selling] -= quantity |
||||
self.heap.push(o, price, c) |
||||
return(c) |
||||
|
||||
def cancel_order(id): |
||||
if self.orders[id].seller == msg.sender: |
||||
self.orders[id].seller = 0 |
||||
self.orders[id].price = 0 |
||||
self.balances[msg.sender][self.orders[id].asset_sold] += self.orders[id].quantity |
||||
self.orders[id].quantity = 0 |
||||
self.orders[id].asset_sold = 0 |
||||
|
||||
def register_feed(): |
||||
c = self.feedCount |
||||
self.feeds[c].owner = msg.sender |
||||
self.feedCount = c + 1 |
||||
return(c) |
||||
|
||||
def set_feed(id, v): |
||||
if self.feeds[id].owner == msg.sender: |
||||
self.feeds[id].value = v |
||||
|
||||
def mk_cfd_offer(feed, asset, strike, leverage, min, max, maturity): |
||||
b = self.balances[msg.sender][asset] |
||||
req = max((strike - min) * leverage, (strike - max) * leverage) |
||||
assert b >= req |
||||
self.balances[msg.sender][asset] = b - req |
||||
c = self.cfdCount |
||||
self.cfds[c].maker = msg.sender |
||||
self.cfds[c].feed = feed |
||||
self.cfds[c].asset = asset |
||||
self.cfds[c].strike = strike |
||||
self.cfds[c].leverage = leverage |
||||
self.cfds[c].min = min |
||||
self.cfds[c].max = max |
||||
self.cfds[c].maturity = maturity |
||||
self.cfdCount = c + 1 |
||||
return(c) |
||||
|
||||
def accept_cfd_offer(c): |
||||
assert not self.cfds[c].acceptor and self.cfds[c].maker |
||||
asset = self.cfds[c].asset |
||||
strike = self.cfds[c].strike |
||||
min = self.cfds[c].min |
||||
max = self.cfds[c].max |
||||
leverage = self.cfds[c].leverage |
||||
b = self.balances[msg.sender][asset] |
||||
req = max((min - strike) * leverage, (max - strike) * leverage) |
||||
assert b >= req |
||||
self.balances[msg.sender][asset] = b - req |
||||
self.cfds[c].acceptor = msg.sender |
||||
self.cfds[c].maturity += block.timestamp |
||||
|
||||
def claim_cfd_offer(c): |
||||
asset = self.cfds[c].asset |
||||
strike = self.cfds[c].strike |
||||
min = self.cfds[c].min |
||||
max = self.cfds[c].max |
||||
leverage = self.cfds[c].leverage |
||||
v = self.feeds[self.cfds[c].feed].value |
||||
assert v <= min or v >= max or block.timestamp >= self.cfds[c].maturity |
||||
maker_req = max((strike - min) * leverage, (strike - max) * leverage) |
||||
acceptor_req = max((min - strike) * leverage, (max - strike) * leverage) |
||||
paydelta = (strike - v) * leverage |
||||
self.add(self.cfds[c].maker, asset, maker_req + paydelta) |
||||
self.add(self.cfds[c].acceptor, asset, acceptor_req - paydelta) |
||||
self.cfds[c].maker = 0 |
||||
self.cfds[c].acceptor = 0 |
||||
self.cfds[c].feed = 0 |
||||
self.cfds[c].asset = 0 |
||||
self.cfds[c].strike = 0 |
||||
self.cfds[c].leverage = 0 |
||||
self.cfds[c].min = 0 |
||||
self.cfds[c].max = 0 |
||||
self.cfds[c].maturity = 0 |
||||
|
||||
def withdraw_cfd_offer(c): |
||||
if self.cfds[c].maker == msg.sender and not self.cfds[c].acceptor: |
||||
asset = self.cfds[c].asset |
||||
strike = self.cfds[c].strike |
||||
min = self.cfds[c].min |
||||
max = self.cfds[c].max |
||||
leverage = self.cfds[c].leverage |
||||
maker_req = max((strike - min) * leverage, (strike - max) * leverage) |
||||
self.balances[self.cfds[c].maker][asset] += maker_req |
||||
self.cfds[c].maker = 0 |
||||
self.cfds[c].acceptor = 0 |
||||
self.cfds[c].feed = 0 |
||||
self.cfds[c].asset = 0 |
||||
self.cfds[c].strike = 0 |
||||
self.cfds[c].leverage = 0 |
||||
self.cfds[c].min = 0 |
||||
self.cfds[c].max = 0 |
||||
self.cfds[c].maturity = 0 |
||||
|
||||
|
||||
def mk_bet_offer(feed, asset, makerstake, acceptorstake, eqtest, maturity): |
||||
assert self.balances[msg.sender][asset] >= makerstake |
||||
c = self.betCount |
||||
self.bets[c].maker = msg.sender |
||||
self.bets[c].feed = feed |
||||
self.bets[c].asset = asset |
||||
self.bets[c].makerstake = makerstake |
||||
self.bets[c].acceptorstake = acceptorstake |
||||
self.bets[c].eqtest = eqtest |
||||
self.bets[c].maturity = maturity |
||||
self.balances[msg.sender][asset] -= makerstake |
||||
self.betCount = c + 1 |
||||
return(c) |
||||
|
||||
def accept_bet_offer(c): |
||||
assert self.bets[c].maker and not self.bets[c].acceptor |
||||
asset = self.bets[c].asset |
||||
acceptorstake = self.bets[c].acceptorstake |
||||
assert self.balances[msg.sender][asset] >= acceptorstake |
||||
self.balances[msg.sender][asset] -= acceptorstake |
||||
self.bets[c].acceptor = msg.sender |
||||
|
||||
def claim_bet_offer(c): |
||||
assert block.timestamp >= self.bets[c].maturity |
||||
v = self.feeds[self.bets[c].feed].value |
||||
totalstake = self.bets[c].makerstake + self.bets[c].acceptorstake |
||||
if v == self.bets[c].eqtest: |
||||
self.add(self.bets[c].maker, self.bets[c].asset, totalstake) |
||||
else: |
||||
self.add(self.bets[c].acceptor, self.bets[c].asset, totalstake) |
||||
self.bets[c].maker = 0 |
||||
self.bets[c].feed = 0 |
||||
self.bets[c].asset = 0 |
||||
self.bets[c].makerstake = 0 |
||||
self.bets[c].acceptorstake = 0 |
||||
self.bets[c].eqtest = 0 |
||||
self.bets[c].maturity = 0 |
||||
|
||||
def cancel_bet(c): |
||||
assert not self.bets[c].acceptor and msg.sender == self.bets[c].maker |
||||
self.balances[msg.sender][self.bets[c].asset] += self.bets[c].makerstake |
||||
self.bets[c].maker = 0 |
||||
self.bets[c].feed = 0 |
||||
self.bets[c].asset = 0 |
||||
self.bets[c].makerstake = 0 |
||||
self.bets[c].acceptorstake = 0 |
||||
self.bets[c].eqtest = 0 |
||||
self.bets[c].maturity = 0 |
||||
|
||||
def dividend(holder_asset, divvying_asset, ratio): |
||||
i = 0 |
||||
sz = self.assets[holder_asset].holdersCount |
||||
t = 0 |
||||
holders = array(sz) |
||||
payments = array(sz) |
||||
while i < sz: |
||||
holders[i] = self.assets[holder_asset].holders[i] |
||||
payments[i] = self.balances[holders[i]][holder_asset] * ratio / 10^18 |
||||
t += payments[i] |
||||
i += 1 |
||||
if self.balances[msg.sender][divvying_asset] >= t: |
||||
i = 0 |
||||
while i < sz: |
||||
self.add(holders[i], divvying_asset, payments[i]) |
||||
i += 1 |
||||
self.balances[msg.sender][divvying_asset] -= t |
||||
@ -1,69 +0,0 @@ |
||||
data heaps[2^50](owner, size, nodes[2^50](key, value)) |
||||
data heapIndex |
||||
|
||||
def register(): |
||||
i = self.heapIndex |
||||
self.heaps[i].owner = msg.sender |
||||
self.heapIndex = i + 1 |
||||
return(i) |
||||
|
||||
def push(heap, key, value): |
||||
assert msg.sender == self.heaps[heap].owner |
||||
sz = self.heaps[heap].size |
||||
self.heaps[heap].nodes[sz].key = key |
||||
self.heaps[heap].nodes[sz].value = value |
||||
k = sz + 1 |
||||
while k > 1: |
||||
bottom = self.heaps[heap].nodes[k].key |
||||
top = self.heaps[heap].nodes[k/2].key |
||||
if bottom < top: |
||||
tvalue = self.heaps[heap].nodes[k/2].value |
||||
bvalue = self.heaps[heap].nodes[k].value |
||||
self.heaps[heap].nodes[k].key = top |
||||
self.heaps[heap].nodes[k].value = tvalue |
||||
self.heaps[heap].nodes[k/2].key = bottom |
||||
self.heaps[heap].nodes[k/2].value = bvalue |
||||
k /= 2 |
||||
else: |
||||
k = 0 |
||||
self.heaps[heap].size = sz + 1 |
||||
|
||||
def pop(heap): |
||||
sz = self.heaps[heap].size |
||||
assert sz |
||||
prevtop = self.heaps[heap].nodes[1].value |
||||
self.heaps[heap].nodes[1].key = self.heaps[heap].nodes[sz].key |
||||
self.heaps[heap].nodes[1].value = self.heaps[heap].nodes[sz].value |
||||
self.heaps[heap].nodes[sz].key = 0 |
||||
self.heaps[heap].nodes[sz].value = 0 |
||||
top = self.heaps[heap].nodes[1].key |
||||
k = 1 |
||||
while k * 2 < sz: |
||||
bottom1 = self.heaps[heap].nodes[k * 2].key |
||||
bottom2 = self.heaps[heap].nodes[k * 2 + 1].key |
||||
if bottom1 < top and (bottom1 < bottom2 or k * 2 + 1 >= sz): |
||||
tvalue = self.heaps[heap].nodes[1].value |
||||
bvalue = self.heaps[heap].nodes[k * 2].value |
||||
self.heaps[heap].nodes[k].key = bottom1 |
||||
self.heaps[heap].nodes[k].value = bvalue |
||||
self.heaps[heap].nodes[k * 2].key = top |
||||
self.heaps[heap].nodes[k * 2].value = tvalue |
||||
k = k * 2 |
||||
elif bottom2 < top and bottom2 < bottom1 and k * 2 + 1 < sz: |
||||
tvalue = self.heaps[heap].nodes[1].value |
||||
bvalue = self.heaps[heap].nodes[k * 2 + 1].value |
||||
self.heaps[heap].nodes[k].key = bottom2 |
||||
self.heaps[heap].nodes[k].value = bvalue |
||||
self.heaps[heap].nodes[k * 2 + 1].key = top |
||||
self.heaps[heap].nodes[k * 2 + 1].value = tvalue |
||||
k = k * 2 + 1 |
||||
else: |
||||
k = sz |
||||
self.heaps[heap].size = sz - 1 |
||||
return(prevtop) |
||||
|
||||
def top(heap): |
||||
return(self.heaps[heap].nodes[1].value) |
||||
|
||||
def size(heap): |
||||
return(self.heaps[heap].size) |
||||
53
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/crowdfund.se
generated
vendored
53
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/crowdfund.se
generated
vendored
@ -1,53 +0,0 @@ |
||||
data campaigns[2^80](recipient, goal, deadline, contrib_total, contrib_count, contribs[2^50](sender, value)) |
||||
|
||||
def create_campaign(id, recipient, goal, timelimit): |
||||
if self.campaigns[id].recipient: |
||||
return(0) |
||||
self.campaigns[id].recipient = recipient |
||||
self.campaigns[id].goal = goal |
||||
self.campaigns[id].deadline = block.timestamp + timelimit |
||||
|
||||
def contribute(id): |
||||
# Update contribution total |
||||
total_contributed = self.campaigns[id].contrib_total + msg.value |
||||
self.campaigns[id].contrib_total = total_contributed |
||||
|
||||
# Record new contribution |
||||
sub_index = self.campaigns[id].contrib_count |
||||
self.campaigns[id].contribs[sub_index].sender = msg.sender |
||||
self.campaigns[id].contribs[sub_index].value = msg.value |
||||
self.campaigns[id].contrib_count = sub_index + 1 |
||||
|
||||
# Enough funding? |
||||
if total_contributed >= self.campaigns[id].goal: |
||||
send(self.campaigns[id].recipient, total_contributed) |
||||
self.clear(id) |
||||
return(1) |
||||
|
||||
# Expired? |
||||
if block.timestamp > self.campaigns[id].deadline: |
||||
i = 0 |
||||
c = self.campaigns[id].contrib_count |
||||
while i < c: |
||||
send(self.campaigns[id].contribs[i].sender, self.campaigns[id].contribs[i].value) |
||||
i += 1 |
||||
self.clear(id) |
||||
return(2) |
||||
|
||||
def progress_report(id): |
||||
return(self.campaigns[id].contrib_total) |
||||
|
||||
# Clearing function for internal use |
||||
def clear(id): |
||||
if self == msg.sender: |
||||
self.campaigns[id].recipient = 0 |
||||
self.campaigns[id].goal = 0 |
||||
self.campaigns[id].deadline = 0 |
||||
c = self.campaigns[id].contrib_count |
||||
self.campaigns[id].contrib_count = 0 |
||||
self.campaigns[id].contrib_total = 0 |
||||
i = 0 |
||||
while i < c: |
||||
self.campaigns[id].contribs[i].sender = 0 |
||||
self.campaigns[id].contribs[i].value = 0 |
||||
i += 1 |
||||
136
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/cyberdyne/futarchy.se
generated
vendored
136
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/cyberdyne/futarchy.se
generated
vendored
@ -1,136 +0,0 @@ |
||||
# 0: current epoch |
||||
# 1: number of proposals |
||||
# 2: master currency |
||||
# 3: last winning market |
||||
# 4: last txid |
||||
# 5: long-term ema currency units purchased |
||||
# 6: last block when currency units purchased |
||||
# 7: ether allocated to last round |
||||
# 8: last block when currency units claimed |
||||
# 9: ether allocated to current round |
||||
# 1000+: [proposal address, market ID, totprice, totvolume] |
||||
|
||||
init: |
||||
# We technically have two levels of epoch here. We have |
||||
# one epoch of 1000, to synchronize with the 1000 epoch |
||||
# of the market, and then 100 of those epochs make a |
||||
# meta-epoch (I'll nominate the term "seculum") over |
||||
# which the futarchy protocol will take place |
||||
contract.storage[0] = block.number / 1000 |
||||
# The master currency of the futarchy. The futarchy will |
||||
# assign currency units to whoever the prediction market |
||||
# thinks will best increase the currency's value |
||||
master_currency = create('subcurrency.se') |
||||
contract.storage[2] = master_currency |
||||
code: |
||||
curepoch = block.number / 1000 |
||||
prevepoch = contract.storage[0] |
||||
if curepoch > prevepoch: |
||||
if (curepoch % 100) > 50: |
||||
# Collect price data |
||||
# We take an average over 50 subepochs to determine |
||||
# the price of each asset, weighting by volume to |
||||
# prevent abuse |
||||
contract.storage[0] = curepoch |
||||
i = 0 |
||||
numprop = contract.storage[1] |
||||
while i < numprop: |
||||
market = contract.storage[1001 + i * 4] |
||||
price = call(market, 2) |
||||
volume = call(market, 3) |
||||
contract.storage[1002 + i * 4] += price |
||||
contract.storage[1003 + i * 4] += volume * price |
||||
i += 1 |
||||
if (curepoch / 100) > (prevepoch / 100): |
||||
# If we are entering a new seculum, we determine the |
||||
# market with the highest total average price |
||||
best = 0 |
||||
bestmarket = 0 |
||||
besti = 0 |
||||
i = 0 |
||||
while i < numprop: |
||||
curtotprice = contract.storage[1002 + i * 4] |
||||
curvolume = contract.storage[1002 + i * 4] |
||||
curavgprice = curtotprice / curvolume |
||||
if curavgprice > best: |
||||
best = curavgprice |
||||
besti = i |
||||
bestmarket = contract.storage[1003 + i * 4] |
||||
i += 1 |
||||
# Reset the number of proposals to 0 |
||||
contract.storage[1] = 0 |
||||
# Reward the highest proposal |
||||
call(contract.storage[2], [best, 10^9, 0], 3) |
||||
# Record the winning market so we can later appropriately |
||||
# compensate the participants |
||||
contract.storage[2] = bestmarket |
||||
# The amount of ether allocated to the last round |
||||
contract.storage[7] = contract.storage[9] |
||||
# The amount of ether allocated to the next round |
||||
contract.storage[9] = contract.balance / 2 |
||||
# Make a proposal [0, address] |
||||
if msg.data[0] == 0 and curepoch % 100 < 50: |
||||
pid = contract.storage[1] |
||||
market = create('market.se') |
||||
c1 = create('subcurrency.se') |
||||
c2 = create('subcurrency.se') |
||||
call(market, [c1, c2], 2) |
||||
contract.storage[1000 + pid * 4] = msg.data[1] |
||||
contract.storage[1001 + pid * 4] = market |
||||
contract.storage[1] += 1 |
||||
# Claim ether [1, address] |
||||
# One unit of the first currency in the last round's winning |
||||
# market entitles you to a quantity of ether that was decided |
||||
# at the start of that epoch |
||||
elif msg.data[0] == 1: |
||||
first_subcurrency = call(contract.storage[2], 3) |
||||
# We ask the first subcurrency contract what the last transaction was. The |
||||
# way to make a claim is to send the amount of first currency units that |
||||
# you wish to claim with, and then immediately call this contract. For security |
||||
# it makes sense to set up a tx which sends both messages in sequence atomically |
||||
data = call(first_subcurrency, [], 0, 4) |
||||
from = data[0] |
||||
to = data[1] |
||||
value = data[2] |
||||
txid = data[3] |
||||
if txid > contract.storage[4] and to == contract.address: |
||||
send(to, contract.storage[7] * value / 10^9) |
||||
contract.storage[4] = txid |
||||
# Claim second currency [2, address] |
||||
# One unit of the second currency in the last round's winning |
||||
# market entitles you to one unit of the futarchy's master |
||||
# currency |
||||
elif msg.data[0] == 2: |
||||
second_subcurrency = call(contract.storage[2], 3) |
||||
data = call(first_subcurrency, [], 0, 4) |
||||
from = data[0] |
||||
to = data[1] |
||||
value = data[2] |
||||
txid = data[3] |
||||
if txid > contract.storage[4] and to == contract.address: |
||||
call(contract.storage[2], [to, value], 2) |
||||
contract.storage[4] = txid |
||||
# Purchase currency for ether (target releasing 10^9 units per seculum) |
||||
# Price starts off 1 eth for 10^9 units but increases hyperbolically to |
||||
# limit issuance |
||||
elif msg.data[0] == 3: |
||||
pre_ema = contract.storage[5] |
||||
post_ema = pre_ema + msg.value |
||||
pre_reserve = 10^18 / (10^9 + pre_ema / 10^9) |
||||
post_reserve = 10^18 / (10^9 + post_ema / 10^9) |
||||
call(contract.storage[2], [msg.sender, pre_reserve - post_reserve], 2) |
||||
last_sold = contract.storage[6] |
||||
contract.storage[5] = pre_ema * (100000 + last_sold - block.number) + msg.value |
||||
contract.storage[6] = block.number |
||||
# Claim all currencies as the ether miner of the current block |
||||
elif msg.data[0] == 2 and msg.sender == block.coinbase and block.number > contract.storage[8]: |
||||
i = 0 |
||||
numproposals = contract.storage[1] |
||||
while i < numproposals: |
||||
market = contract.storage[1001 + i * 3] |
||||
fc = call(market, 4) |
||||
sc = call(market, 5) |
||||
call(fc, [msg.sender, 1000], 2) |
||||
call(sc, [msg.sender, 1000], 2) |
||||
i += 1 |
||||
contract.storage[8] = block.number |
||||
55
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/cyberdyne/heap.se
generated
vendored
55
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/cyberdyne/heap.se
generated
vendored
@ -1,55 +0,0 @@ |
||||
# 0: size |
||||
# 1-n: elements |
||||
|
||||
init: |
||||
contract.storage[1000] = msg.sender |
||||
code: |
||||
# Only owner of the heap is allowed to modify it |
||||
if contract.storage[1000] != msg.sender: |
||||
stop |
||||
# push |
||||
if msg.data[0] == 0: |
||||
sz = contract.storage[0] |
||||
contract.storage[sz + 1] = msg.data[1] |
||||
k = sz + 1 |
||||
while k > 1: |
||||
bottom = contract.storage[k] |
||||
top = contract.storage[k/2] |
||||
if bottom < top: |
||||
contract.storage[k] = top |
||||
contract.storage[k/2] = bottom |
||||
k /= 2 |
||||
else: |
||||
k = 0 |
||||
contract.storage[0] = sz + 1 |
||||
# pop |
||||
elif msg.data[0] == 1: |
||||
sz = contract.storage[0] |
||||
if !sz: |
||||
return(0) |
||||
prevtop = contract.storage[1] |
||||
contract.storage[1] = contract.storage[sz] |
||||
contract.storage[sz] = 0 |
||||
top = contract.storage[1] |
||||
k = 1 |
||||
while k * 2 < sz: |
||||
bottom1 = contract.storage[k * 2] |
||||
bottom2 = contract.storage[k * 2 + 1] |
||||
if bottom1 < top and (bottom1 < bottom2 or k * 2 + 1 >= sz): |
||||
contract.storage[k] = bottom1 |
||||
contract.storage[k * 2] = top |
||||
k = k * 2 |
||||
elif bottom2 < top and bottom2 < bottom1 and k * 2 + 1 < sz: |
||||
contract.storage[k] = bottom2 |
||||
contract.storage[k * 2 + 1] = top |
||||
k = k * 2 + 1 |
||||
else: |
||||
k = sz |
||||
contract.storage[0] = sz - 1 |
||||
return(prevtop) |
||||
# top |
||||
elif msg.data[0] == 2: |
||||
return(contract.storage[1]) |
||||
# size |
||||
elif msg.data[0] == 3: |
||||
return(contract.storage[0]) |
||||
117
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/cyberdyne/market.se
generated
vendored
117
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/cyberdyne/market.se
generated
vendored
@ -1,117 +0,0 @@ |
||||
# Creates a decentralized market between any two subcurrencies |
||||
|
||||
# Here, the first subcurrency is the base asset and the second |
||||
# subcurrency is the asset priced against the base asset. Hence, |
||||
# "buying" refers to trading the first for the second, and |
||||
# "selling" refers to trading the second for the first |
||||
|
||||
# storage 0: buy orders |
||||
# storage 1: sell orders |
||||
# storage 1000: first subcurrency |
||||
# storage 1001: last first subcurrency txid |
||||
# storage 2000: second subcurrency |
||||
# storage 2001: last second subcurrency txid |
||||
# storage 3000: current epoch |
||||
# storage 4000: price |
||||
# storage 4001: volume |
||||
|
||||
init: |
||||
# Heap for buy orders |
||||
contract.storage[0] = create('heap.se') |
||||
# Heap for sell orders |
||||
contract.storage[1] = create('heap.se') |
||||
code: |
||||
# Initialize with [ first_subcurrency, second_subcurrency ] |
||||
if !contract.storage[1000]: |
||||
contract.storage[1000] = msg.data[0] # First subcurrency |
||||
contract.storage[1001] = -1 |
||||
contract.storage[2000] = msg.data[1] # Second subcurrency |
||||
contract.storage[2001] = -1 |
||||
contract.storage[3000] = block.number / 1000 |
||||
stop |
||||
first_subcurrency = contract.storage[1000] |
||||
second_subcurrency = contract.storage[2000] |
||||
buy_heap = contract.storage[0] |
||||
sell_heap = contract.storage[1] |
||||
# This contract operates in "epochs" of 100 blocks |
||||
# At the end of each epoch, we process all orders |
||||
# simultaneously, independent of order. This algorithm |
||||
# prevents front-running, and generates a profit from |
||||
# the spread. The profit is permanently kept in the |
||||
# market (ie. destroyed), making both subcurrencies |
||||
# more valuable |
||||
|
||||
# Epoch transition code |
||||
if contract.storage[3000] < block.number / 100: |
||||
done = 0 |
||||
volume = 0 |
||||
while !done: |
||||
# Grab the top buy and sell order from each heap |
||||
topbuy = call(buy_heap, 1) |
||||
topsell = call(sell_heap, 1) |
||||
# An order is recorded in the heap as: |
||||
# Buys: (2^48 - 1 - price) * 2^208 + units of first currency * 2^160 + from |
||||
# Sells: price * 2^208 + units of second currency * 2^160 + from |
||||
buyprice = -(topbuy / 2^208) |
||||
buyfcvalue = (topbuy / 2^160) % 2^48 |
||||
buyer = topbuy % 2^160 |
||||
sellprice = topsell / 2^208 |
||||
sellscvalue = (topsell / 2^160) % 2^48 |
||||
seller = topsell % 2^160 |
||||
# Heap empty, or no more matching orders |
||||
if not topbuy or not topsell or buyprice < sellprice: |
||||
done = 1 |
||||
else: |
||||
# Add to volume counter |
||||
volume += buyfcvalue |
||||
# Calculate how much of the second currency the buyer gets, and |
||||
# how much of the first currency the seller gets |
||||
sellfcvalue = sellscvalue / buyprice |
||||
buyscvalue = buyfcvalue * sellprice |
||||
# Send the currency units along |
||||
call(second_subcurrency, [buyer, buyscvalue], 2) |
||||
call(first_subcurrency, [seller, sellfcvalue], 2) |
||||
if volume: |
||||
contract.storage[4000] = (buyprice + sellprice) / 2 |
||||
contract.storage[4001] = volume |
||||
contract.storage[3000] = block.number / 100 |
||||
# Make buy order [0, price] |
||||
if msg.data[0] == 0: |
||||
# We ask the first subcurrency contract what the last transaction was. The |
||||
# way to make a buy order is to send the amount of first currency units that |
||||
# you wish to buy with, and then immediately call this contract. For security |
||||
# it makes sense to set up a tx which sends both messages in sequence atomically |
||||
data = call(first_subcurrency, [], 0, 4) |
||||
from = data[0] |
||||
to = data[1] |
||||
value = data[2] |
||||
txid = data[3] |
||||
price = msg.data[1] |
||||
if txid > contract.storage[1001] and to == contract.address: |
||||
contract.storage[1001] = txid |
||||
# Adds the order to the heap |
||||
call(buy_heap, [0, -price * 2^208 + (value % 2^48) * 2^160 + from], 2) |
||||
# Make sell order [1, price] |
||||
elif msg.data[0] == 1: |
||||
# Same mechanics as buying |
||||
data = call(second_subcurrency, [], 0, 4) |
||||
from = data[0] |
||||
to = data[1] |
||||
value = data[2] |
||||
txid = data[3] |
||||
price = msg.data[1] |
||||
if txid > contract.storage[2001] and to == contract.address: |
||||
contract.storage[2001] = txid |
||||
call(sell_heap, [0, price * 2^208 + (value % 2^48) * 2^160 + from], 2) |
||||
# Ask for price |
||||
elif msg.data[0] == 2: |
||||
return(contract.storage[4000]) |
||||
# Ask for volume |
||||
elif msg.data[0] == 3: |
||||
return(contract.storage[1000]) |
||||
# Ask for first currency |
||||
elif msg.data[0] == 4: |
||||
return(contract.storage[2000]) |
||||
# Ask for second currency |
||||
elif msg.data[0] == 5: |
||||
return(contract.storage[4001]) |
||||
@ -1,35 +0,0 @@ |
||||
# Initialization |
||||
# Admin can issue and delete at will |
||||
init: |
||||
contract.storage[0] = msg.sender |
||||
code: |
||||
# If a message with one item is sent, that's a balance query |
||||
if msg.datasize == 1: |
||||
addr = msg.data[0] |
||||
return(contract.storage[addr]) |
||||
# If a message with two items [to, value] are sent, that's a transfer request |
||||
elif msg.datasize == 2: |
||||
from = msg.sender |
||||
fromvalue = contract.storage[from] |
||||
to = msg.data[0] |
||||
value = msg.data[1] |
||||
if fromvalue >= value and value > 0 and to > 4: |
||||
contract.storage[from] = fromvalue - value |
||||
contract.storage[to] += value |
||||
contract.storage[2] = from |
||||
contract.storage[3] = to |
||||
contract.storage[4] = value |
||||
contract.storage[5] += 1 |
||||
return(1) |
||||
return(0) |
||||
elif msg.datasize == 3 and msg.sender == contract.storage[0]: |
||||
# Admin can issue at will by sending a [to, value, 0] message |
||||
if msg.data[2] == 0: |
||||
contract.storage[msg.data[0]] += msg.data[1] |
||||
# Change admin [ newadmin, 0, 1 ] |
||||
# Set admin to 0 to disable administration |
||||
elif msg.data[2] == 1: |
||||
contract.storage[0] = msg.data[0] |
||||
# Fetch last transaction |
||||
else: |
||||
return([contract.storage[2], contract.storage[3], contract.storage[4], contract.storage[5]], 4) |
||||
39
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/cyberdyne/test.py
generated
vendored
39
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/cyberdyne/test.py
generated
vendored
@ -1,39 +0,0 @@ |
||||
from __future__ import print_function |
||||
import pyethereum |
||||
t = pyethereum.tester |
||||
s = t.state() |
||||
# Create currencies |
||||
c1 = s.contract('subcurrency.se') |
||||
print("First currency: %s" % c1) |
||||
c2 = s.contract('subcurrency.se') |
||||
print("First currency: %s" % c2) |
||||
# Allocate units |
||||
s.send(t.k0, c1, 0, [t.a0, 1000, 0]) |
||||
s.send(t.k0, c1, 0, [t.a1, 1000, 0]) |
||||
s.send(t.k0, c2, 0, [t.a2, 1000000, 0]) |
||||
s.send(t.k0, c2, 0, [t.a3, 1000000, 0]) |
||||
print("Allocated units") |
||||
# Market |
||||
m = s.contract('market.se') |
||||
s.send(t.k0, m, 0, [c1, c2]) |
||||
# Place orders |
||||
s.send(t.k0, c1, 0, [m, 1000]) |
||||
s.send(t.k0, m, 0, [0, 1200]) |
||||
s.send(t.k1, c1, 0, [m, 1000]) |
||||
s.send(t.k1, m, 0, [0, 1400]) |
||||
s.send(t.k2, c2, 0, [m, 1000000]) |
||||
s.send(t.k2, m, 0, [1, 800]) |
||||
s.send(t.k3, c2, 0, [m, 1000000]) |
||||
s.send(t.k3, m, 0, [1, 600]) |
||||
print("Orders placed") |
||||
# Next epoch and ping |
||||
s.mine(100) |
||||
print("Mined 100") |
||||
s.send(t.k0, m, 0, []) |
||||
print("Updating") |
||||
# Check |
||||
assert s.send(t.k0, c2, 0, [t.a0]) == [800000] |
||||
assert s.send(t.k0, c2, 0, [t.a1]) == [600000] |
||||
assert s.send(t.k0, c1, 0, [t.a2]) == [833] |
||||
assert s.send(t.k0, c1, 0, [t.a3]) == [714] |
||||
print("Balance checks passed") |
||||
12
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/datafeed.se
generated
vendored
12
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/datafeed.se
generated
vendored
@ -1,12 +0,0 @@ |
||||
# Database updateable only by the original creator |
||||
data creator |
||||
|
||||
def init(): |
||||
self.creator = msg.sender |
||||
|
||||
def update(k, v): |
||||
if msg.sender == self.creator: |
||||
self.storage[k] = v |
||||
|
||||
def query(k): |
||||
return(self.storage[k]) |
||||
40
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/ecc/ecrecover.se
generated
vendored
40
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/ecc/ecrecover.se
generated
vendored
@ -1,40 +0,0 @@ |
||||
# So I looked up on Wikipedia what Jacobian form actually is, and noticed that it's |
||||
# actually a rather different and more clever construction than the naive version |
||||
# that I created. It may possible to achieve a further 20-50% savings by applying |
||||
# that version. |
||||
|
||||
extern all: [call] |
||||
|
||||
data JORDANMUL |
||||
data JORDANADD |
||||
data EXP |
||||
|
||||
def init(): |
||||
self.JORDANMUL = create('jacobian_mul.se') |
||||
self.JORDANADD = create('jacobian_add.se') |
||||
self.EXP = create('modexp.se') |
||||
|
||||
def call(h, v, r, s): |
||||
N = -432420386565659656852420866394968145599 |
||||
P = -4294968273 |
||||
h = mod(h, N) |
||||
r = mod(r, P) |
||||
s = mod(s, N) |
||||
Gx = 55066263022277343669578718895168534326250603453777594175500187360389116729240 |
||||
Gy = 32670510020758816978083085130507043184471273380659243275938904335757337482424 |
||||
x = r |
||||
xcubed = mulmod(mulmod(x, x, P), x, P) |
||||
beta = self.EXP.call(addmod(xcubed, 7, P), div(P + 1, 4), P) |
||||
|
||||
# Static-gascost ghetto conditional |
||||
y_is_positive = mod(v, 2) xor mod(beta, 2) |
||||
y = beta * y_is_positive + (P - beta) * (1 - y_is_positive) |
||||
|
||||
GZ = self.JORDANMUL.call(Gx, 1, Gy, 1, N - h, outsz=4) |
||||
XY = self.JORDANMUL.call(x, 1, y, 1, s, outsz=4) |
||||
COMB = self.JORDANADD.call(GZ[0], GZ[1], GZ[2], GZ[3], XY[0], XY[1], XY[2], XY[3], 1, outsz=5) |
||||
COMB[4] = self.EXP.call(r, N - 2, N) |
||||
Q = self.JORDANMUL.call(data=COMB, datasz=5, outsz=4) |
||||
ox = mulmod(Q[0], self.EXP.call(Q[1], P - 2, P), P) |
||||
oy = mulmod(Q[2], self.EXP.call(Q[3], P - 2, P), P) |
||||
return([ox, oy], 2) |
||||
File diff suppressed because one or more lines are too long
@ -1,32 +0,0 @@ |
||||
extern all: [call] |
||||
data DOUBLE |
||||
|
||||
def init(): |
||||
self.DOUBLE = create('jacobian_double.se') |
||||
|
||||
def call(axn, axd, ayn, ayd, bxn, bxd, byn, byd): |
||||
if !axn and !ayn: |
||||
o = [bxn, bxd, byn, byd] |
||||
if !bxn and !byn: |
||||
o = [axn, axd, ayn, ayd] |
||||
if o: |
||||
return(o, 4) |
||||
with P = -4294968273: |
||||
if addmod(mulmod(axn, bxd, P), P - mulmod(axd, bxn, P), P) == 0: |
||||
if addmod(mulmod(ayn, byd, P), P - mulmod(ayd, byn, P), P) == 0: |
||||
return(self.DOUBLE.call(axn, axd, ayn, ayd, outsz=4), 4) |
||||
else: |
||||
return([0, 1, 0, 1], 4) |
||||
with mn = mulmod(addmod(mulmod(byn, ayd, P), P - mulmod(ayn, byd, P), P), mulmod(bxd, axd, P), P): |
||||
with md = mulmod(mulmod(byd, ayd, P), addmod(mulmod(bxn, axd, P), P - mulmod(axn, bxd, P), P), P): |
||||
with msqn = mulmod(mn, mn, P): |
||||
with msqd = mulmod(md, md, P): |
||||
with msqman = addmod(mulmod(msqn, axd, P), P - mulmod(msqd, axn, P), P): |
||||
with msqmad = mulmod(msqd, axd, P): |
||||
with xn = addmod(mulmod(msqman, bxd, P), P - mulmod(msqmad, bxn, P), P): |
||||
with xd = mulmod(msqmad, bxd, P): |
||||
with mamxn = mulmod(mn, addmod(mulmod(axn, xd, P), P - mulmod(xn, axd, P), P), P): |
||||
with mamxd = mulmod(md, mulmod(axd, xd, P), P): |
||||
with yn = addmod(mulmod(mamxn, ayd, P), P - mulmod(mamxd, ayn, P), P): |
||||
with yd = mulmod(mamxd, ayd, P): |
||||
return([xn, xd, yn, yd], 4) |
||||
@ -1,16 +0,0 @@ |
||||
def call(axn, axd, ayn, ayd): |
||||
if !axn and !ayn: |
||||
return([0, 1, 0, 1], 4) |
||||
with P = -4294968273: |
||||
# No need to add (A, 1) because A = 0 for bitcoin |
||||
with mn = mulmod(mulmod(mulmod(axn, axn, P), 3, P), ayd, P): |
||||
with md = mulmod(mulmod(axd, axd, P), mulmod(ayn, 2, P), P): |
||||
with msqn = mulmod(mn, mn, P): |
||||
with msqd = mulmod(md, md, P): |
||||
with xn = addmod(mulmod(msqn, axd, P), P - mulmod(msqd, mulmod(axn, 2, P), P), P): |
||||
with xd = mulmod(msqd, axd, P): |
||||
with mamxn = mulmod(addmod(mulmod(axn, xd, P), P - mulmod(axd, xn, P), P), mn, P): |
||||
with mamxd = mulmod(mulmod(axd, xd, P), md, P): |
||||
with yn = addmod(mulmod(mamxn, ayd, P), P - mulmod(mamxd, ayn, P), P): |
||||
with yd = mulmod(mamxd, ayd, P): |
||||
return([xn, xd, yn, yd], 4) |
||||
@ -1,37 +0,0 @@ |
||||
# Expected gas cost |
||||
# |
||||
# def expect(n, point_at_infinity=False): |
||||
# n = n % (2**256 - 432420386565659656852420866394968145599) |
||||
# if point_at_infinity: |
||||
# return 79 |
||||
# if n == 0: |
||||
# return 34479 |
||||
# L = int(1 + math.log(n) / math.log(2)) |
||||
# H = len([x for x in b.encode(n, 2) if x == '1']) |
||||
# return 34221 + 94 * L + 343 * H |
||||
|
||||
data DOUBLE |
||||
data ADD |
||||
|
||||
def init(): |
||||
self.DOUBLE = create('jacobian_double.se') |
||||
self.ADD = create('jacobian_add.se') |
||||
|
||||
def call(axn, axd, ayn, ayd, n): |
||||
n = mod(n, -432420386565659656852420866394968145599) |
||||
if !axn * !ayn + !n: # Constant-gas version of !axn and !ayn or !n |
||||
return([0, 1, 0, 1], 4) |
||||
with o = [0, 0, 1, 0, 1, 0, 0, 0, 0]: |
||||
with b = 2 ^ 255: |
||||
while gt(b, 0): |
||||
if n & b: |
||||
~call(20000, self.DOUBLE, 0, o + 31, 129, o + 32, 128) |
||||
o[5] = axn |
||||
o[6] = axd |
||||
o[7] = ayn |
||||
o[8] = ayd |
||||
~call(20000, self.ADD, 0, o + 31, 257, o + 32, 128) |
||||
else: |
||||
~call(20000, self.DOUBLE, 0, o + 31, 129, o + 32, 128) |
||||
b = div(b, 2) |
||||
return(o + 32, 4) |
||||
11
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/ecc/modexp.se
generated
vendored
11
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/ecc/modexp.se
generated
vendored
@ -1,11 +0,0 @@ |
||||
def call(b, e, m): |
||||
with o = 1: |
||||
with bit = 2 ^ 255: |
||||
while gt(bit, 0): |
||||
# A touch of loop unrolling for 20% efficiency gain |
||||
o = mulmod(mulmod(o, o, m), b ^ !(!(e & bit)), m) |
||||
o = mulmod(mulmod(o, o, m), b ^ !(!(e & div(bit, 2))), m) |
||||
o = mulmod(mulmod(o, o, m), b ^ !(!(e & div(bit, 4))), m) |
||||
o = mulmod(mulmod(o, o, m), b ^ !(!(e & div(bit, 8))), m) |
||||
bit = div(bit, 16) |
||||
return(o) |
||||
78
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/ecc/substitutes.py
generated
vendored
78
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/ecc/substitutes.py
generated
vendored
@ -1,78 +0,0 @@ |
||||
import bitcoin as b |
||||
import math |
||||
import sys |
||||
|
||||
|
||||
def signed(o): |
||||
return map(lambda x: x - 2**256 if x >= 2**255 else x, o) |
||||
|
||||
|
||||
def hamming_weight(n): |
||||
return len([x for x in b.encode(n, 2) if x == '1']) |
||||
|
||||
|
||||
def binary_length(n): |
||||
return len(b.encode(n, 2)) |
||||
|
||||
|
||||
def jacobian_mul_substitute(A, B, C, D, N): |
||||
if A == 0 and C == 0 or (N % b.N) == 0: |
||||
return {"gas": 86, "output": [0, 1, 0, 1]} |
||||
else: |
||||
output = b.jordan_multiply(((A, B), (C, D)), N) |
||||
return { |
||||
"gas": 35262 + 95 * binary_length(N % b.N) + 355 * hamming_weight(N % b.N), |
||||
"output": signed(list(output[0]) + list(output[1])) |
||||
} |
||||
|
||||
|
||||
def jacobian_add_substitute(A, B, C, D, E, F, G, H): |
||||
if A == 0 or E == 0: |
||||
gas = 149 |
||||
elif (A * F - B * E) % b.P == 0: |
||||
if (C * H - D * G) % b.P == 0: |
||||
gas = 442 |
||||
else: |
||||
gas = 177 |
||||
else: |
||||
gas = 301 |
||||
output = b.jordan_add(((A, B), (C, D)), ((E, F), (G, H))) |
||||
return { |
||||
"gas": gas, |
||||
"output": signed(list(output[0]) + list(output[1])) |
||||
} |
||||
|
||||
|
||||
def modexp_substitute(base, exp, mod): |
||||
return { |
||||
"gas": 5150, |
||||
"output": signed([pow(base, exp, mod) if mod > 0 else 0]) |
||||
} |
||||
|
||||
|
||||
def ecrecover_substitute(z, v, r, s): |
||||
P, A, B, N, Gx, Gy = b.P, b.A, b.B, b.N, b.Gx, b.Gy |
||||
x = r |
||||
beta = pow(x*x*x+A*x+B, (P + 1) / 4, P) |
||||
BETA_PREMIUM = modexp_substitute(x, (P + 1) / 4, P)["gas"] |
||||
y = beta if v % 2 ^ beta % 2 else (P - beta) |
||||
Gz = b.jordan_multiply(((Gx, 1), (Gy, 1)), (N - z) % N) |
||||
GZ_PREMIUM = jacobian_mul_substitute(Gx, 1, Gy, 1, (N - z) % N)["gas"] |
||||
XY = b.jordan_multiply(((x, 1), (y, 1)), s) |
||||
XY_PREMIUM = jacobian_mul_substitute(x, 1, y, 1, s % N)["gas"] |
||||
Qr = b.jordan_add(Gz, XY) |
||||
QR_PREMIUM = jacobian_add_substitute(Gz[0][0], Gz[0][1], Gz[1][0], Gz[1][1], |
||||
XY[0][0], XY[0][1], XY[1][0], XY[1][1] |
||||
)["gas"] |
||||
Q = b.jordan_multiply(Qr, pow(r, N - 2, N)) |
||||
Q_PREMIUM = jacobian_mul_substitute(Qr[0][0], Qr[0][1], Qr[1][0], Qr[1][1], |
||||
pow(r, N - 2, N))["gas"] |
||||
R_PREMIUM = modexp_substitute(r, N - 2, N)["gas"] |
||||
OX_PREMIUM = modexp_substitute(Q[0][1], P - 2, P)["gas"] |
||||
OY_PREMIUM = modexp_substitute(Q[1][1], P - 2, P)["gas"] |
||||
Q = b.from_jordan(Q) |
||||
return { |
||||
"gas": 991 + BETA_PREMIUM + GZ_PREMIUM + XY_PREMIUM + QR_PREMIUM + |
||||
Q_PREMIUM + R_PREMIUM + OX_PREMIUM + OY_PREMIUM, |
||||
"output": signed(Q) |
||||
} |
||||
129
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/ecc/test.py
generated
vendored
129
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/ecc/test.py
generated
vendored
@ -1,129 +0,0 @@ |
||||
import bitcoin as b |
||||
import random |
||||
import sys |
||||
import math |
||||
from pyethereum import tester as t |
||||
import substitutes |
||||
import time |
||||
|
||||
vals = [random.randrange(2**256) for i in range(12)] |
||||
|
||||
test_points = [list(p[0]) + list(p[1]) for p in |
||||
[b.jordan_multiply(((b.Gx, 1), (b.Gy, 1)), r) for r in vals]] |
||||
|
||||
G = [b.Gx, 1, b.Gy, 1] |
||||
Z = [0, 1, 0, 1] |
||||
|
||||
|
||||
def neg_point(p): |
||||
return [p[0], b.P - p[1], p[2], b.P - p[3]] |
||||
|
||||
s = t.state() |
||||
s.block.gas_limit = 10000000 |
||||
t.gas_limit = 1000000 |
||||
|
||||
|
||||
c = s.contract('modexp.se') |
||||
print "Starting modexp tests" |
||||
|
||||
for i in range(0, len(vals) - 2, 3): |
||||
o1 = substitutes.modexp_substitute(vals[i], vals[i+1], vals[i+2]) |
||||
o2 = s.profile(t.k0, c, 0, funid=0, abi=vals[i:i+3]) |
||||
#assert o1["gas"] == o2["gas"], (o1, o2) |
||||
assert o1["output"] == o2["output"], (o1, o2) |
||||
|
||||
c = s.contract('jacobian_add.se') |
||||
print "Starting addition tests" |
||||
|
||||
for i in range(2): |
||||
P = test_points[i * 2] |
||||
Q = test_points[i * 2 + 1] |
||||
NP = neg_point(P) |
||||
|
||||
o1 = substitutes.jacobian_add_substitute(*(P + Q)) |
||||
o2 = s.profile(t.k0, c, 0, funid=0, abi=P + Q) |
||||
#assert o1["gas"] == o2["gas"], (o1, o2) |
||||
assert o1["output"] == o2["output"], (o1, o2) |
||||
|
||||
o1 = substitutes.jacobian_add_substitute(*(P + NP)) |
||||
o2 = s.profile(t.k0, c, 0, funid=0, abi=P + NP) |
||||
#assert o1["gas"] == o2["gas"], (o1, o2) |
||||
assert o1["output"] == o2["output"], (o1, o2) |
||||
|
||||
o1 = substitutes.jacobian_add_substitute(*(P + P)) |
||||
o2 = s.profile(t.k0, c, 0, funid=0, abi=P + P) |
||||
#assert o1["gas"] == o2["gas"], (o1, o2) |
||||
assert o1["output"] == o2["output"], (o1, o2) |
||||
|
||||
o1 = substitutes.jacobian_add_substitute(*(P + Z)) |
||||
o2 = s.profile(t.k0, c, 0, funid=0, abi=P + Z) |
||||
#assert o1["gas"] == o2["gas"], (o1, o2) |
||||
assert o1["output"] == o2["output"], (o1, o2) |
||||
|
||||
o1 = substitutes.jacobian_add_substitute(*(Z + P)) |
||||
o2 = s.profile(t.k0, c, 0, funid=0, abi=Z + P) |
||||
#assert o1["gas"] == o2["gas"], (o1, o2) |
||||
assert o1["output"] == o2["output"], (o1, o2) |
||||
|
||||
|
||||
c = s.contract('jacobian_mul.se') |
||||
print "Starting multiplication tests" |
||||
|
||||
|
||||
mul_tests = [ |
||||
Z + [0], |
||||
Z + [vals[0]], |
||||
test_points[0] + [0], |
||||
test_points[1] + [b.N], |
||||
test_points[2] + [1], |
||||
test_points[2] + [2], |
||||
test_points[2] + [3], |
||||
test_points[2] + [4], |
||||
test_points[3] + [5], |
||||
test_points[3] + [6], |
||||
test_points[4] + [7], |
||||
test_points[4] + [2**254], |
||||
test_points[4] + [vals[1]], |
||||
test_points[4] + [vals[2]], |
||||
test_points[4] + [vals[3]], |
||||
test_points[5] + [2**256 - 1], |
||||
] |
||||
|
||||
for i, test in enumerate(mul_tests): |
||||
print 'trying mul_test %i' % i, test |
||||
o1 = substitutes.jacobian_mul_substitute(*test) |
||||
o2 = s.profile(t.k0, c, 0, funid=0, abi=test) |
||||
# assert o1["gas"] == o2["gas"], (o1, o2, test) |
||||
assert o1["output"] == o2["output"], (o1, o2, test) |
||||
|
||||
c = s.contract('ecrecover.se') |
||||
print "Starting ecrecover tests" |
||||
|
||||
for i in range(5): |
||||
print 'trying ecrecover_test', vals[i*2], vals[i*2+1] |
||||
k = vals[i*2] |
||||
h = vals[i*2+1] |
||||
V, R, S = b.ecdsa_raw_sign(b.encode(h, 256, 32), k) |
||||
aa = time.time() |
||||
o1 = substitutes.ecrecover_substitute(h, V, R, S) |
||||
print 'sub', time.time() - aa |
||||
a = time.time() |
||||
o2 = s.profile(t.k0, c, 0, funid=0, abi=[h, V, R, S]) |
||||
print time.time() - a |
||||
# assert o1["gas"] == o2["gas"], (o1, o2, h, V, R, S) |
||||
assert o1["output"] == o2["output"], (o1, o2, h, V, R, S) |
||||
|
||||
# Explicit tests |
||||
|
||||
data = [[ |
||||
0xf007a9c78a4b2213220adaaf50c89a49d533fbefe09d52bbf9b0da55b0b90b60, |
||||
0x1b, |
||||
0x5228fc9e2fabfe470c32f459f4dc17ef6a0a81026e57e4d61abc3bc268fc92b5, |
||||
0x697d4221cd7bc5943b482173de95d3114b9f54c5f37cc7f02c6910c6dd8bd107 |
||||
]] |
||||
|
||||
for datum in data: |
||||
o1 = substitutes.ecrecover_substitute(*datum) |
||||
o2 = s.profile(t.k0, c, 0, funid=0, abi=datum) |
||||
#assert o1["gas"] == o2["gas"], (o1, o2, datum) |
||||
assert o1["output"] == o2["output"], (o1, o2, datum) |
||||
45
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/eth15/channel.se
generated
vendored
45
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/eth15/channel.se
generated
vendored
@ -1,45 +0,0 @@ |
||||
if msg.data[0] == 0: |
||||
new_id = contract.storage[-1] |
||||
# store [from, to, value, maxvalue, timeout] in contract storage |
||||
contract.storage[new_id] = msg.sender |
||||
contract.storage[new_id + 1] = msg.data[1] |
||||
contract.storage[new_id + 2] = 0 |
||||
contract.storage[new_id + 3] = msg.value |
||||
contract.storage[new_id + 4] = 2^254 |
||||
# increment next id |
||||
contract.storage[-1] = new_id + 10 |
||||
# return id of this channel |
||||
return(new_id) |
||||
|
||||
# Increase payment on channel: [1, id, value, v, r, s] |
||||
elif msg.data[0] == 1: |
||||
# Ecrecover native extension; will be a different address in testnet and live |
||||
ecrecover = 0x46a8d0b21b1336d83b06829f568d7450df36883f |
||||
# Message data parameters |
||||
id = msg.data[1] % 2^160 |
||||
value = msg.data[2] |
||||
# Determine sender from signature |
||||
h = sha3([id, value], 2) |
||||
sender = call(ecrecover, [h, msg.data[3], msg.data[4], msg.data[5]], 4) |
||||
# Check sender matches and new value is greater than old |
||||
if sender == contract.storage[id]: |
||||
if value > contract.storage[id + 2] and value <= contract.storage[id + 3]: |
||||
# Update channel, increasing value and setting timeout |
||||
contract.storage[id + 2] = value |
||||
contract.storage[id + 4] = block.number + 1000 |
||||
|
||||
# Cash out channel: [2, id] |
||||
elif msg.data[0] == 2: |
||||
id = msg.data[1] % 2^160 |
||||
# Check if timeout has run out |
||||
if block.number >= contract.storage[id + 3]: |
||||
# Send funds |
||||
send(contract.storage[id + 1], contract.storage[id + 2]) |
||||
# Send refund |
||||
send(contract.storage[id], contract.storage[id + 3] - contract.storage[id + 2]) |
||||
# Clear storage |
||||
contract.storage[id] = 0 |
||||
contract.storage[id + 1] = 0 |
||||
contract.storage[id + 2] = 0 |
||||
contract.storage[id + 3] = 0 |
||||
contract.storage[id + 4] = 0 |
||||
19
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/eth15/map.se
generated
vendored
19
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/eth15/map.se
generated
vendored
@ -1,19 +0,0 @@ |
||||
# An implementation of a contract for storing a key/value binding |
||||
init: |
||||
# Set owner |
||||
contract.storage[0] = msg.sender |
||||
code: |
||||
# Check ownership |
||||
if msg.sender == contract.storage[0]: |
||||
# Get: returns (found, val) |
||||
if msg.data[0] == 0: |
||||
s = sha3(msg.data[1]) |
||||
return([contract.storage[s], contract.storage[s+1]], 2) |
||||
# Set: sets map[k] = v |
||||
elif msg.data[0] == 1: |
||||
s = sha3(msg.data[1]) |
||||
contract.storage[s] = 1 |
||||
contract.storage[s + 1] = msg.data[2] |
||||
# Suicide |
||||
elif msg.data[2] == 1: |
||||
suicide(0) |
||||
@ -1,14 +0,0 @@ |
||||
init: |
||||
contract.storage[0] = msg.sender |
||||
code: |
||||
if msg.sender != contract.storage[0]: |
||||
stop |
||||
i = 0 |
||||
while i < ~calldatasize(): |
||||
to = ~calldataload(i) |
||||
value = ~calldataload(i+20) / 256^12 |
||||
datasize = ~calldataload(i+32) / 256^30 |
||||
data = alloc(datasize) |
||||
~calldatacopy(data, i+34, datasize) |
||||
~call(tx.gas - 25, to, value, data, datasize, 0, 0) |
||||
i += 34 + datasize |
||||
166
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/eth15/shadowchain.se
generated
vendored
166
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/eth15/shadowchain.se
generated
vendored
@ -1,166 +0,0 @@ |
||||
# Exists in state: |
||||
# (i) last committed block |
||||
# (ii) chain of uncommitted blocks (linear only) |
||||
# (iii) transactions, each tx with an associated block number |
||||
# |
||||
# Uncommitted block = |
||||
# [ numtxs, numkvs, tx1 (N words), tx2 (N words) ..., [k1, v1], [k2, v2], [k3, v3] ... ] |
||||
# |
||||
# Block checking process |
||||
# |
||||
# Suppose last committed state is m |
||||
# Last uncommitted state is n |
||||
# Contested block is b |
||||
# |
||||
# 1. Temporarily apply all state transitions from |
||||
# m to b |
||||
# 2. Run code, get list of changes |
||||
# 3. Check is list of changes matches deltas |
||||
# * if yes, do nothing |
||||
# * if no, set last uncommitted state to pre-b |
||||
# |
||||
# Storage variables: |
||||
# |
||||
# Last committed block: 0 |
||||
# Last uncommitted block: 1 |
||||
# Contract holding code: 2 |
||||
# Uncommitted map: 3 |
||||
# Transaction length (parameter): 4 |
||||
# Block b: 2^160 + b * 2^40: |
||||
# + 1: submission blknum |
||||
# + 2: submitter |
||||
# + 3: data in uncommitted block format above |
||||
# Last committed storage: |
||||
# sha3(k): index k |
||||
|
||||
# Initialize: [0, c, txlength], set address of the code-holding contract and the transaction |
||||
# length |
||||
if not contract.storage[2]: |
||||
contract.storage[2] = msg.data[1] |
||||
contract.storage[4] = msg.data[2] |
||||
stop |
||||
|
||||
# Sequentially commit all uncommitted blocks that are more than 1000 mainchain-blocks old |
||||
last_committed_block = contract.storage[0] |
||||
last_uncommitted_block = contract.storage[1] |
||||
lcb_storage_index = 2^160 + last_committed_block * 2^40 |
||||
while contract.storage[lcb_storage_index + 1] < block.number - 1000 and last_committed_block < last_uncommitted_block: |
||||
kvpairs = contract.storage[lcb_storage_index] |
||||
i = 0 |
||||
while i < kvpairs: |
||||
k = contract.storage[lcb_storage_index + 3 + i * 2] |
||||
v = contract.storage[lcb_storage_index + 4 + i * 2] |
||||
contract.storage[sha3(k)] = v |
||||
i += 1 |
||||
last_committed_block += 1 |
||||
lcb_storage_index += 2^40 |
||||
contract.storage[0] = last_committed_block |
||||
|
||||
|
||||
# Propose block: [ 0, block number, data in block format above ... ] |
||||
if msg.data[0] == 0: |
||||
blknumber = msg.data[1] |
||||
# Block number must be correct |
||||
if blknumber != contract.storage[1]: |
||||
stop |
||||
# Deposit requirement |
||||
if msg.value < 10^19: |
||||
stop |
||||
# Store the proposal in storage as |
||||
# [ 0, main-chain block number, sender, block data...] |
||||
start_index = 2^160 + blknumber * 2^40 |
||||
numkvs = (msg.datasize - 2) / 2 |
||||
contract.storage[start_index + 1] = block.number |
||||
1ontract.storage[start_index + 2] = msg.sender |
||||
i = 0 |
||||
while i < msg.datasize - 2: |
||||
contract.storage[start_index + 3 + i] = msg.data[2 + i] |
||||
i += 1 |
||||
contract.storage[1] = blknumber + 1 |
||||
|
||||
# Challenge block: [ 1, b ] |
||||
elif msg.data[0] == 1: |
||||
blknumber = msg.data[1] |
||||
txwidth = contract.storage[4] |
||||
last_uncommitted_block = contract.storage[1] |
||||
last_committed_block = contract.storage[0] |
||||
# Cannot challenge nonexistent or committed blocks |
||||
if blknumber <= last_uncommitted_block or blknumber > last_committed_block: |
||||
stop |
||||
# Create a contract to serve as a map that maintains keys and values |
||||
# temporarily |
||||
tempstore = create('map.se') |
||||
contract.storage[3] = tempstore |
||||
# Unquestioningly apply the state transitions from the last committed block |
||||
# up to b |
||||
b = last_committed_block |
||||
cur_storage_index = 2^160 + last_committed_block * 2^40 |
||||
while b < blknumber: |
||||
numtxs = contract.storage[cur_storage_index + 3] |
||||
numkvs = contract.storage[cur_storage_index + 4] |
||||
kv0index = cur_storage_index + 5 + numtxs * txwidth |
||||
i = 0 |
||||
while i < numkvs: |
||||
k = contract.storage[kv0index + i * 2] |
||||
v = contract.storage[kx0index + i * 2 + 1] |
||||
call(tempstore, [1, k, v], 3) |
||||
i += 1 |
||||
b += 1 |
||||
cur_storage_index += 2^40 |
||||
# Run the actual code, and see what state transitions it outputs |
||||
# The way that the code is expected to work is to: |
||||
# |
||||
# (1) take as input the list of transactions (the contract should |
||||
# use msg.datasize to determine how many txs there are, and it should |
||||
# be aware of the value of txwidth) |
||||
# (2) call this contract with [2, k] to read current state data |
||||
# (3) call this contract with [3, k, v] to write current state data |
||||
# (4) return as output a list of all state transitions that it made |
||||
# in the form [kvcount, k1, v1, k2, v2 ... ] |
||||
# |
||||
# The reason for separating (2) from (3) is that sometimes the state |
||||
# transition may end up changing a given key many times, and we don't |
||||
# need to inefficiently store that in storage |
||||
numkvs = contract.storage[cur_storage_index + 3] |
||||
numtxs = contract.storage[cur_storage_index + 4] |
||||
# Populate input array |
||||
inpwidth = numtxs * txwidth |
||||
inp = array(inpwidth) |
||||
i = 0 |
||||
while i < inpwidth: |
||||
inp[i] = contract.storage[cur_storage_index + 5 + i] |
||||
i += 1 |
||||
out = call(contract.storage[2], inp, inpwidth, numkvs * 2 + 1) |
||||
# Check that the number of state transitions is the same |
||||
if out[0] != kvcount: |
||||
send(msg.sender, 10^19) |
||||
contract.storage[0] = last_committed_block |
||||
stop |
||||
kv0index = cur_storage_index + 5 + numtxs * txwidth |
||||
i = 0 |
||||
while i < kvcount: |
||||
# Check that each individual state transition matches |
||||
k = contract.storage[kv0index + i * 2 + 1] |
||||
v = contract.storage[kv0index + i * 2 + 2] |
||||
if k != out[i * 2 + 1] or v != out[i * 2 + 2]: |
||||
send(msg.sender, 10^19) |
||||
contract.storage[0] = last_committed_block |
||||
stop |
||||
i += 1 |
||||
# Suicide tempstore |
||||
call(tempstore, 2) |
||||
|
||||
|
||||
# Read data [2, k] |
||||
elif msg.data[0] == 2: |
||||
tempstore = contract.storage[3] |
||||
o = call(tempstore, [0, msg.data[1]], 2, 2) |
||||
if o[0]: |
||||
return(o[1]) |
||||
else: |
||||
return contract.storage[sha3(msg.data[1])] |
||||
|
||||
# Write data [3, k, v] |
||||
elif msg.data[0] == 3: |
||||
tempstore = contract.storage[3] |
||||
call(tempstore, [1, msg.data[1], msg.data[2]], 3, 2) |
||||
31
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/fixedpoint.se
generated
vendored
31
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/fixedpoint.se
generated
vendored
@ -1,31 +0,0 @@ |
||||
type f: [a, b, c, d, e] |
||||
|
||||
macro f($a) + f($b): |
||||
f(add($a, $b)) |
||||
|
||||
macro f($a) - f($b): |
||||
f(sub($a, $b)) |
||||
|
||||
macro f($a) * f($b): |
||||
f(mul($a, $b) / 10000) |
||||
|
||||
macro f($a) / f($b): |
||||
f(sdiv($a * 10000, $b)) |
||||
|
||||
macro f($a) % f($b): |
||||
f(smod($a, $b)) |
||||
|
||||
macro f($v) = f($w): |
||||
$v = $w |
||||
|
||||
macro unfify(f($a)): |
||||
$a / 10000 |
||||
|
||||
macro fify($a): |
||||
f($a * 10000) |
||||
|
||||
a = fify(5) |
||||
b = fify(2) |
||||
c = a / b |
||||
e = c + (a / b) |
||||
return(unfify(e)) |
||||
116
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/long_integer_macros.se
generated
vendored
116
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/long_integer_macros.se
generated
vendored
@ -1,116 +0,0 @@ |
||||
macro smin($a, $b): |
||||
with $1 = $a: |
||||
with $2 = $b: |
||||
if(slt($1, $2), $1, $2) |
||||
|
||||
macro smax($a, $b): |
||||
with $1 = $a: |
||||
with $2 = $b: |
||||
if(slt($1, $2), $2, $1) |
||||
|
||||
def omul(x, y): |
||||
o = expose(mklong(x) * mklong(y)) |
||||
return(slice(o, 1), o[0]+1) |
||||
|
||||
def oadd(x, y): |
||||
o = expose(mklong(x) + mklong(y)) |
||||
return(slice(o, 1), o[0]+1) |
||||
|
||||
def osub(x, y): |
||||
o = expose(mklong(x) - mklong(y)) |
||||
return(slice(o, 1), o[0]+1) |
||||
|
||||
def odiv(x, y): |
||||
o = expose(mklong(x) / mklong(y)) |
||||
return(slice(o, 1), o[0]+1) |
||||
|
||||
def comb(a:a, b:a, sign): |
||||
sz = smax(a[0], b[0]) |
||||
msz = smin(a[0], b[0]) |
||||
c = array(sz + 2) |
||||
c[0] = sz |
||||
i = 0 |
||||
carry = 0 |
||||
while i < msz: |
||||
m = a[i + 1] + sign * b[i + 1] + carry |
||||
c[i + 1] = mod(m + 2^127, 2^128) - 2^127 |
||||
carry = (div(m + 2^127, 2^128) + 2^127) % 2^128 - 2^127 |
||||
i += 1 |
||||
u = if(a[0] > msz, a, b) |
||||
s = if(a[0] > msz, 1, sign) |
||||
while i < sz: |
||||
m = s * u[i + 1] + carry |
||||
c[i + 1] = mod(m + 2^127, 2^128) - 2^127 |
||||
carry = (div(m + 2^127, 2^128) + 2^127) % 2^128 - 2^127 |
||||
i += 1 |
||||
if carry: |
||||
c[0] += 1 |
||||
c[sz + 1] = carry |
||||
return(c, c[0]+1) |
||||
|
||||
def mul(a:a, b:a): |
||||
c = array(a[0] + b[0] + 2) |
||||
c[0] = a[0] + b[0] |
||||
i = 0 |
||||
while i < a[0]: |
||||
j = 0 |
||||
carry = 0 |
||||
while j < b[0]: |
||||
m = c[i + j + 1] + a[i + 1] * b[j + 1] + carry |
||||
c[i + j + 1] = mod(m + 2^127, 2^128) - 2^127 |
||||
carry = (div(m + 2^127, 2^128) + 2^127) % 2^128 - 2^127 |
||||
j += 1 |
||||
if carry: |
||||
c[0] = a[0] + b[0] + 1 |
||||
c[i + j + 1] += carry |
||||
i += 1 |
||||
return(c, c[0]+1) |
||||
|
||||
macro long($a) + long($b): |
||||
long(self.comb($a:$a[0]+1, $b:$b[0]+1, 1, outsz=$a[0]+$b[0]+2)) |
||||
|
||||
macro long($a) - long($b): |
||||
long(self.comb($a:$a[0]+1, $b:$b[0]+1, -1, outsz=$a[0]+$b[0]+2)) |
||||
|
||||
macro long($a) * long($b): |
||||
long(self.mul($a:$a[0]+1, $b:$b[0]+1, outsz=$a[0]+$b[0]+2)) |
||||
|
||||
macro long($a) / long($b): |
||||
long(self.div($a:$a[0]+1, $b:$b[0]+1, outsz=$a[0]+$b[0]+2)) |
||||
|
||||
macro mulexpand(long($a), $k, $m): |
||||
long: |
||||
with $c = array($a[0]+k+2): |
||||
$c[0] = $a[0]+$k |
||||
with i = 0: |
||||
while i < $a[0]: |
||||
v = $a[i+1] * $m + $c[i+$k+1] |
||||
$c[i+$k+1] = mod(v + 2^127, 2^128) - 2^127 |
||||
$c[i+$k+2] = div(v + 2^127, 2^128) |
||||
i += 1 |
||||
$c |
||||
|
||||
def div(a:a, b:a): |
||||
asz = a[0] |
||||
bsz = b[0] |
||||
while b[bsz] == 0 and bsz > 0: |
||||
bsz -= 1 |
||||
c = array(asz+2) |
||||
c[0] = asz+1 |
||||
while 1: |
||||
while a[asz] == 0 and asz > 0: |
||||
asz -= 1 |
||||
if asz < bsz: |
||||
return(c, c[0]+1) |
||||
sub = expose(mulexpand(long(b), asz - bsz, a[asz] / b[bsz])) |
||||
c[asz - bsz+1] = a[asz] / b[bsz] |
||||
a = expose(long(a) - long(sub)) |
||||
a[asz-1] += 2^128 * a[asz] |
||||
a[asz] = 0 |
||||
|
||||
macro mklong($i): |
||||
long([2, mod($i + 2^127, 2^128) - 2^127, div($i + 2^127, 2^128)]) |
||||
|
||||
macro expose(long($i)): |
||||
$i |
||||
|
||||
@ -1,2 +0,0 @@ |
||||
def double(v): |
||||
return(v*2) |
||||
187
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/mutuala.se
generated
vendored
187
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/mutuala.se
generated
vendored
@ -1,187 +0,0 @@ |
||||
# mutuala - subcurrency |
||||
|
||||
# We want to issue a currency that reduces in value as you store it through negative interest. |
||||
# That negative interest would be stored in a commons account. It's like the p2p version of a |
||||
# capital tax |
||||
|
||||
# the same things goes for transactions - you pay as you use the currency. However, the more |
||||
# you pay, the more you get to say about what the tax is used for |
||||
|
||||
# each participant can propose a recipient for a payout to be made out of the commons account, |
||||
# others can vote on it by awarding it tax_credits. |
||||
|
||||
# TODO should proposal have expiration timestamp?, after which the tax_credits are refunded |
||||
# TODO multiple proposals can take more credits that available in the Commons, how to handle this |
||||
# TODO how to handle lost accounts, after which no longer possible to get 2/3 majority |
||||
|
||||
shared: |
||||
COMMONS = 42 |
||||
ADMIN = 666 |
||||
CAPITAL_TAX_PER_DAY = 7305 # 5% per year |
||||
PAYMENT_TAX = 20 # 5% |
||||
|
||||
ACCOUNT_LIST_OFFSET = 2^160 |
||||
ACCOUNT_MAP_OFFSET = 2^161 |
||||
PROPOSAL_LIST_OFFSET = 2^162 |
||||
PROPOSAL_MAP_OFFSET = 2^163 |
||||
|
||||
init: |
||||
contract.storage[ADMIN] = msg.sender |
||||
contract.storage[ACCOUNT_LIST_OFFSET - 1] = 1 |
||||
contract.storage[ACCOUNT_LIST_OFFSET] = msg.sender |
||||
contract.storage[ACCOUNT_MAP_OFFSET + msg.sender] = 10^12 |
||||
contract.storage[ACCOUNT_MAP_OFFSET + msg.sender + 1] = block.timestamp |
||||
|
||||
# contract.storage[COMMONS] = balance commons |
||||
|
||||
# contract.storage[ACCOUNT_LIST_OFFSET - 1] = number of accounts |
||||
# contract.storage[ACCOUNT_LIST_OFFSET + n] = account n |
||||
|
||||
# contract.storage[PROPOSAL_LIST_OFFSET - 1] contains the number of proposals |
||||
# contract.storage[PROPOSAL_LIST_OFFSET + n] = proposal n |
||||
|
||||
# per account: |
||||
# contract.storage[ACCOUNT_MAP_OFFSET + account] = balance |
||||
# contract.storage[ACCOUNT_MAP_OFFSET + account+1] = timestamp_last_transaction |
||||
# contract.storage[ACCOUNT_MAP_OFFSET + account+2] = tax_credits |
||||
|
||||
# per proposal: |
||||
# contract.storage[PROPOSAL_MAP_OFFSET + proposal_id] = recipient |
||||
# contract.storage[PROPOSAL_MAP_OFFSET + proposal_id+1] = amount |
||||
# contract.storage[PROPOSAL_MAP_OFFSET + proposal_id+2] = total vote credits |
||||
|
||||
code: |
||||
if msg.data[0] == "suicide" and msg.sender == contract.storage[ADMIN]: |
||||
suicide(msg.sender) |
||||
|
||||
elif msg.data[0] == "balance": |
||||
addr = msg.data[1] |
||||
return(contract.storage[ACCOUNT_MAP_OFFSET + addr]) |
||||
|
||||
elif msg.data[0] == "pay": |
||||
from = msg.sender |
||||
fromvalue = contract.storage[ACCOUNT_MAP_OFFSET + from] |
||||
to = msg.data[1] |
||||
if to == 0 or to >= 2^160: |
||||
return([0, "invalid address"], 2) |
||||
value = msg.data[2] |
||||
tax = value / PAYMENT_TAX |
||||
|
||||
if fromvalue >= value + tax: |
||||
contract.storage[ACCOUNT_MAP_OFFSET + from] = fromvalue - (value + tax) |
||||
contract.storage[ACCOUNT_MAP_OFFSET + to] += value |
||||
# tax |
||||
contract.storage[COMMONS] += tax |
||||
contract.storage[ACCOUNT_MAP_OFFSET + from + 2] += tax |
||||
|
||||
# check timestamp field to see if target account exists |
||||
if contract.storage[ACCOUNT_MAP_OFFSET + to + 1] == 0: |
||||
# register new account |
||||
nr_accounts = contract.storage[ACCOUNT_LIST_OFFSET - 1] |
||||
contract.storage[ACCOUNT_LIST_OFFSET + nr_accounts] = to |
||||
contract.storage[ACCOUNT_LIST_OFFSET - 1] += 1 |
||||
contract.storage[ACCOUNT_MAP_OFFSET + to + 1] = block.timestamp |
||||
|
||||
return(1) |
||||
else: |
||||
return([0, "insufficient balance"], 2) |
||||
|
||||
elif msg.data[0] == "hash": |
||||
proposal_id = sha3(msg.data[1]) |
||||
return(proposal_id) |
||||
|
||||
elif msg.data[0] == "propose": |
||||
from = msg.sender |
||||
# check if sender has an account and has tax credits |
||||
if contract.storage[ACCOUNT_MAP_OFFSET + from + 2] == 0: |
||||
return([0, "sender has no tax credits"], 2) |
||||
|
||||
proposal_id = sha3(msg.data[1]) |
||||
# check if proposal doesn't already exist |
||||
if contract.storage[PROPOSAL_MAP_OFFSET + proposal_id]: |
||||
return([0, "proposal already exists"]) |
||||
|
||||
to = msg.data[2] |
||||
# check if recipient is a valid address and has an account (with timestamp) |
||||
if to == 0 or to >= 2^160: |
||||
return([0, "invalid address"], 2) |
||||
if contract.storage[ACCOUNT_MAP_OFFSET + to + 1] == 0: |
||||
return([0, "invalid to account"], 2) |
||||
|
||||
value = msg.data[3] |
||||
# check if there is enough money in the commons account |
||||
if value > contract.storage[COMMONS]: |
||||
return([0, "not enough credits in commons"], 2) |
||||
|
||||
# record proposal in list |
||||
nr_proposals = contract.storage[PROPOSAL_LIST_OFFSET - 1] |
||||
contract.storage[PROPOSAL_LIST_OFFSET + nr_proposals] = proposal_id |
||||
contract.storage[PROPOSAL_LIST_OFFSET - 1] += 1 |
||||
|
||||
# record proposal in map |
||||
contract.storage[PROPOSAL_MAP_OFFSET + proposal_id] = to |
||||
contract.storage[PROPOSAL_MAP_OFFSET + proposal_id + 1] = value |
||||
|
||||
return(proposal_id) |
||||
|
||||
elif msg.data[0] == "vote": |
||||
from = msg.sender |
||||
proposal_id = sha3(msg.data[1]) |
||||
value = msg.data[2] |
||||
# check if sender has an account and has tax credits |
||||
if value < contract.storage[ACCOUNT_MAP_OFFSET + from + 2]: |
||||
return([0, "sender doesn't have enough tax credits"], 2) |
||||
|
||||
# check if proposal exist |
||||
if contract.storage[PROPOSAL_MAP_OFFSET + proposal_id] == 0: |
||||
return([0, "proposal doesn't exist"], 2) |
||||
|
||||
# increase votes |
||||
contract.storage[PROPOSAL_MAP_OFFSET + proposal_id + 2] += value |
||||
# withdraw tax credits |
||||
contract.storage[ACCOUNT_MAP_OFFSET + from + 2] -= value |
||||
|
||||
# did we reach 2/3 threshold? |
||||
if contract.storage[PROPOSAL_MAP_OFFSET + proposal_id + 2] >= contract.storage[COMMONS] * 2 / 3: |
||||
# got majority |
||||
to = contract.storage[PROPOSAL_MAP_OFFSET + proposal_id] |
||||
amount = contract.storage[PROPOSAL_MAP_OFFSET + proposal_id + 1] |
||||
|
||||
# adjust balances |
||||
contract.storage[ACCOUNT_MAP_OFFSET + to] += amount |
||||
contract.storage[COMMONS] -= amount |
||||
|
||||
# reset proposal |
||||
contract.storage[PROPOSAL_MAP_OFFSET + proposal_id] = 0 |
||||
contract.storage[PROPOSAL_MAP_OFFSET + proposal_id + 1] = 0 |
||||
contract.storage[PROPOSAL_MAP_OFFSET + proposal_id + 2] = 0 |
||||
return(1) |
||||
|
||||
return(proposal_id) |
||||
|
||||
elif msg.data[0] == "tick": |
||||
nr_accounts = contract.storage[ACCOUNT_LIST_OFFSET - 1] |
||||
account_idx = 0 |
||||
tax_paid = 0 |
||||
# process all accounts and see if they have to pay their daily capital tax |
||||
while account_idx < nr_accounts: |
||||
cur_account = contract.storage[ACCOUNT_LIST_OFFSET + account_idx] |
||||
last_timestamp = contract.storage[ACCOUNT_MAP_OFFSET + cur_account + 1] |
||||
time_diff = block.timestamp - last_timestamp |
||||
if time_diff >= 86400: |
||||
tax_days = time_diff / 86400 |
||||
balance = contract.storage[ACCOUNT_MAP_OFFSET + cur_account] |
||||
tax = tax_days * (balance / CAPITAL_TAX_PER_DAY) |
||||
if tax > 0: |
||||
# charge capital tax, but give tax credits in return |
||||
contract.storage[ACCOUNT_MAP_OFFSET + cur_account] -= tax |
||||
contract.storage[ACCOUNT_MAP_OFFSET + cur_account + 1] += tax_days * 86400 |
||||
contract.storage[ACCOUNT_MAP_OFFSET + cur_account + 2] += tax |
||||
|
||||
contract.storage[COMMONS] += tax |
||||
tax_paid += 1 |
||||
account_idx += 1 |
||||
return(tax_paid) # how many accounts did we charge tax on |
||||
|
||||
else: |
||||
return([0, "unknown command"], 2) |
||||
7
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/namecoin.se
generated
vendored
7
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/namecoin.se
generated
vendored
@ -1,7 +0,0 @@ |
||||
def register(k, v): |
||||
if !self.storage[k]: # Is the key not yet taken? |
||||
# Then take it! |
||||
self.storage[k] = v |
||||
return(1) |
||||
else: |
||||
return(0) // Otherwise do nothing |
||||
43
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/peano.se
generated
vendored
43
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/peano.se
generated
vendored
@ -1,43 +0,0 @@ |
||||
macro padd($x, psuc($y)): |
||||
psuc(padd($x, $y)) |
||||
|
||||
macro padd($x, z()): |
||||
$x |
||||
|
||||
macro dec(psuc($x)): |
||||
dec($x) + 1 |
||||
|
||||
macro dec(z()): |
||||
0 |
||||
|
||||
macro pmul($x, z()): |
||||
z() |
||||
|
||||
macro pmul($x, psuc($y)): |
||||
padd(pmul($x, $y), $x) |
||||
|
||||
macro pexp($x, z()): |
||||
one() |
||||
|
||||
macro pexp($x, psuc($y)): |
||||
pmul($x, pexp($x, $y)) |
||||
|
||||
macro fac(z()): |
||||
one() |
||||
|
||||
macro fac(psuc($x)): |
||||
pmul(psuc($x), fac($x)) |
||||
|
||||
macro one(): |
||||
psuc(z()) |
||||
|
||||
macro two(): |
||||
psuc(psuc(z())) |
||||
|
||||
macro three(): |
||||
psuc(psuc(psuc(z()))) |
||||
|
||||
macro five(): |
||||
padd(three(), two()) |
||||
|
||||
return([dec(pmul(three(), pmul(three(), three()))), dec(fac(five()))], 2) |
||||
4
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/returnten.se
generated
vendored
4
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/returnten.se
generated
vendored
@ -1,4 +0,0 @@ |
||||
extern mul2: [double] |
||||
|
||||
x = create("mul2.se") |
||||
return(x.double(5)) |
||||
@ -1,33 +0,0 @@ |
||||
def kall(): |
||||
argcount = ~calldatasize() / 32 |
||||
if argcount == 1: |
||||
return(~calldataload(1)) |
||||
|
||||
args = array(argcount) |
||||
~calldatacopy(args, 1, argcount * 32) |
||||
low = array(argcount) |
||||
lsz = 0 |
||||
high = array(argcount) |
||||
hsz = 0 |
||||
i = 1 |
||||
while i < argcount: |
||||
if args[i] < args[0]: |
||||
low[lsz] = args[i] |
||||
lsz += 1 |
||||
else: |
||||
high[hsz] = args[i] |
||||
hsz += 1 |
||||
i += 1 |
||||
low = self.kall(data=low, datasz=lsz, outsz=lsz) |
||||
high = self.kall(data=high, datasz=hsz, outsz=hsz) |
||||
o = array(argcount) |
||||
i = 0 |
||||
while i < lsz: |
||||
o[i] = low[i] |
||||
i += 1 |
||||
o[lsz] = args[0] |
||||
j = 0 |
||||
while j < hsz: |
||||
o[lsz + 1 + j] = high[j] |
||||
j += 1 |
||||
return(o, argcount) |
||||
@ -1,46 +0,0 @@ |
||||
# Quicksort pairs |
||||
# eg. input of the form [ 30, 1, 90, 2, 70, 3, 50, 4] |
||||
# outputs [ 30, 1, 50, 4, 70, 3, 90, 2 ] |
||||
# |
||||
# Note: this can be used as a generalized sorting algorithm: |
||||
# map every object to [ key, ref ] where `ref` is the index |
||||
# in memory to all of the properties and `key` is the key to |
||||
# sort by |
||||
|
||||
|
||||
def kall(): |
||||
argcount = ~calldatasize() / 64 |
||||
if argcount == 1: |
||||
return([~calldataload(1), ~calldataload(33)], 2) |
||||
|
||||
args = array(argcount * 2) |
||||
~calldatacopy(args, 1, argcount * 64) |
||||
low = array(argcount * 2) |
||||
lsz = 0 |
||||
high = array(argcount * 2) |
||||
hsz = 0 |
||||
i = 2 |
||||
while i < argcount * 2: |
||||
if args[i] < args[0]: |
||||
low[lsz] = args[i] |
||||
low[lsz + 1] = args[i + 1] |
||||
lsz += 2 |
||||
else: |
||||
high[hsz] = args[i] |
||||
high[hsz + 1] = args[i + 1] |
||||
hsz += 2 |
||||
i = i + 2 |
||||
low = self.kall(data=low, datasz=lsz, outsz=lsz) |
||||
high = self.kall(data=high, datasz=hsz, outsz=hsz) |
||||
o = array(argcount * 2) |
||||
i = 0 |
||||
while i < lsz: |
||||
o[i] = low[i] |
||||
i += 1 |
||||
o[lsz] = args[0] |
||||
o[lsz + 1] = args[1] |
||||
j = 0 |
||||
while j < hsz: |
||||
o[lsz + 2 + j] = high[j] |
||||
j += 1 |
||||
return(o, argcount * 2) |
||||
@ -1,94 +0,0 @@ |
||||
# SchellingCoin implementation |
||||
# |
||||
# Epoch length: 100 blocks |
||||
# Target savings depletion rate: 0.1% per epoch |
||||
|
||||
data epoch |
||||
data hashes_submitted |
||||
data output |
||||
data quicksort_pairs |
||||
data accounts[2^160] |
||||
data submissions[2^80](hash, deposit, address, value) |
||||
extern any: [call] |
||||
|
||||
|
||||
def init(): |
||||
self.epoch = block.number / 100 |
||||
self.quicksort_pairs = create('quicksort_pairs.se') |
||||
|
||||
def any(): |
||||
if block.number / 100 > epoch: |
||||
# Sort all values submitted |
||||
N = self.hashes_submitted |
||||
o = array(N * 2) |
||||
i = 0 |
||||
j = 0 |
||||
while i < N: |
||||
v = self.submissions[i].value |
||||
if v: |
||||
o[j] = v |
||||
o[j + 1] = i |
||||
j += 2 |
||||
i += 1 |
||||
values = self.quicksort_pairs.call(data=o, datasz=j, outsz=j) |
||||
|
||||
# Calculate total deposit, refund non-submitters and |
||||
# cleanup |
||||
|
||||
deposits = array(j / 2) |
||||
addresses = array(j / 2) |
||||
|
||||
i = 0 |
||||
total_deposit = 0 |
||||
while i < j / 2: |
||||
base_index = HASHES + values[i * 2 + 1] * 3 |
||||
deposits[i] = self.submissions[i].deposit |
||||
addresses[i] = self.submissions[i].address |
||||
if self.submissions[values[i * 2 + 1]].value: |
||||
total_deposit += deposits[i] |
||||
else: |
||||
send(addresses[i], deposits[i] * 999 / 1000) |
||||
i += 1 |
||||
|
||||
inverse_profit_ratio = total_deposit / (contract.balance / 1000) + 1 |
||||
|
||||
# Reward everyone |
||||
i = 0 |
||||
running_deposit_sum = 0 |
||||
halfway_passed = 0 |
||||
while i < j / 2: |
||||
new_deposit_sum = running_deposit_sum + deposits[i] |
||||
if new_deposit_sum > total_deposit / 4 and running_deposit_sum < total_deposit * 3 / 4: |
||||
send(addresses[i], deposits[i] + deposits[i] / inverse_profit_ratio * 2) |
||||
else: |
||||
send(addresses[i], deposits[i] - deposits[i] / inverse_profit_ratio) |
||||
|
||||
if not halfway_passed and new_deposit_sum > total_deposit / 2: |
||||
self.output = self.submissions[i].value |
||||
halfway_passed = 1 |
||||
self.submissions[i].value = 0 |
||||
running_deposit_sum = new_deposit_sum |
||||
i += 1 |
||||
self.epoch = block.number / 100 |
||||
self.hashes_submitted = 0 |
||||
|
||||
def submit_hash(h): |
||||
if block.number % 100 < 50: |
||||
cur = self.hashes_submitted |
||||
pos = HASHES + cur * 3 |
||||
self.submissions[cur].hash = h |
||||
self.submissions[cur].deposit = msg.value |
||||
self.submissions[cur].address = msg.sender |
||||
self.hashes_submitted = cur + 1 |
||||
return(cur) |
||||
|
||||
def submit_value(index, v): |
||||
if sha3([msg.sender, v], 2) == self.submissions[index].hash: |
||||
self.submissions[index].value = v |
||||
return(1) |
||||
|
||||
def request_balance(): |
||||
return(contract.balance) |
||||
|
||||
def request_output(): |
||||
return(self.output) |
||||
@ -1,171 +0,0 @@ |
||||
# Hedged zero-supply dollar implementation |
||||
# Uses SchellingCoin as price-determining backend |
||||
# |
||||
# Stored variables: |
||||
# |
||||
# 0: Schelling coin contract |
||||
# 1: Last epoch |
||||
# 2: Genesis block of contract |
||||
# 3: USD exposure |
||||
# 4: ETH exposure |
||||
# 5: Cached price |
||||
# 6: Last interest rate |
||||
# 2^160 + k: interest rate accumulator at k epochs |
||||
# 2^161 + ADDR * 3: eth-balance of a particular address |
||||
# 2^161 + ADDR * 3 + 1: usd-balance of a particular address |
||||
# 2^161 + ADDR * 3 + 1: last accessed epoch of a particular address |
||||
# |
||||
# Transaction types: |
||||
# |
||||
# [1, to, val]: send ETH |
||||
# [2, to, val]: send USD |
||||
# [3, wei_amount]: convert ETH to USD |
||||
# [4, usd_amount]: converts USD to ETH |
||||
# [5]: deposit |
||||
# [6, amount]: withdraw |
||||
# [7]: my balance query |
||||
# [7, acct]: balance query for any acct |
||||
# [8]: global state query |
||||
# [9]: liquidation test any account |
||||
# |
||||
# The purpose of the contract is to serve as a sort of cryptographic |
||||
# bank account where users can store both ETH and USD. ETH must be |
||||
# stored in zero or positive quantities, but USD balances can be |
||||
# positive or negative. If the USD balance is negative, the invariant |
||||
# usdbal * 10 >= ethbal * 9 must be satisfied; if any account falls |
||||
# below this value, then that account's balances are zeroed. Note |
||||
# that there is a 2% bounty to ping the app if an account does go |
||||
# below zero; one weakness is that if no one does ping then it is |
||||
# quite possible for accounts to go negative-net-worth, then zero |
||||
# themselves out, draining the reserves of the "bank" and potentially |
||||
# bankrupting it. A 0.1% fee on ETH <-> USD trade is charged to |
||||
# minimize this risk. Additionally, the bank itself will inevitably |
||||
# end up with positive or negative USD exposure; to mitigate this, |
||||
# it automatically updates interest rates on USD to keep exposure |
||||
# near zero. |
||||
|
||||
data schelling_coin |
||||
data last_epoch |
||||
data starting_block |
||||
data usd_exposure |
||||
data eth_exposure |
||||
data price |
||||
data last_interest_rate |
||||
data interest_rate_accum[2^50] |
||||
data accounts[2^160](eth, usd, last_epoch) |
||||
|
||||
extern sc: [submit_hash, submit_value, request_balance, request_output] |
||||
|
||||
def init(): |
||||
self.schelling_coin = create('schellingcoin.se') |
||||
self.price = self.schelling_coin.request_output() |
||||
self.interest_rate_accum[0] = 10^18 |
||||
self.starting_block = block.number |
||||
|
||||
def any(): |
||||
sender = msg.sender |
||||
epoch = (block.number - self.starting_block) / 100 |
||||
last_epoch = self.last_epoch |
||||
usdprice = self.price |
||||
|
||||
# Update contract epochs |
||||
if epoch > last_epoch: |
||||
delta = epoch - last_epoch |
||||
last_interest_rate = self.last_interest_rate |
||||
usd_exposure - self.usd_exposure |
||||
last_accum = self.interest_rate_accum[last_epoch] |
||||
|
||||
if usd_exposure < 0: |
||||
self.last_interest_rate = last_interest_rate - 10000 * delta |
||||
elif usd_exposure > 0: |
||||
self.last_interest_rate = last_interest_rate + 10000 * delta |
||||
|
||||
self.interest_rate_accum[epoch] = last_accum + last_accum * last_interest_rate * delta / 10^9 |
||||
|
||||
# Proceeds go to support the SchellingCoin feeding it price data, ultimately providing the depositors |
||||
# of the SchellingCoin an interest rate |
||||
bal = max(self.balance - self.eth_exposure, 0) / 10000 |
||||
usdprice = self.schelling_coin.request_output() |
||||
self.price = usdprice |
||||
self.last_epoch = epoch |
||||
|
||||
ethbal = self.accounts[msg.sender].eth |
||||
usdbal = self.accounts[msg.sender].usd |
||||
|
||||
# Apply interest rates to sender and liquidation-test self |
||||
if msg.sender != self: |
||||
self.ping(self) |
||||
|
||||
def send_eth(to, value): |
||||
if value > 0 and value <= ethbal and usdbal * usdprice * 2 + (ethbal - value) >= 0: |
||||
self.accounts[msg.sender].eth = ethbal - value |
||||
self.ping(to) |
||||
self.accounts[to].eth += value |
||||
return(1) |
||||
|
||||
def send_usd(to, value): |
||||
if value > 0 and value <= usdbal and (usdbal - value) * usdprice * 2 + ethbal >= 0: |
||||
self.accounts[msg.sender].usd = usdbal - value |
||||
self.ping(to) |
||||
self.accounts[to].usd += value |
||||
return(1) |
||||
|
||||
def convert_to_eth(usdvalue): |
||||
ethplus = usdvalue * usdprice * 999 / 1000 |
||||
if usdvalue > 0 and (usdbal - usdvalue) * usdprice * 2 + (ethbal + ethplus) >= 0: |
||||
self.accounts[msg.sender].eth = ethbal + ethplus |
||||
self.accounts[msg.sender].usd = usdbal - usdvalue |
||||
self.eth_exposure += ethplus |
||||
self.usd_exposure -= usdvalue |
||||
return([ethbal + ethplus, usdbal - usdvalue], 2) |
||||
|
||||
def convert_to_usd(ethvalue): |
||||
usdplus = ethvalue / usdprice * 999 / 1000 |
||||
if ethvalue > 0 and (usdbal + usdplus) * usdprice * 2 + (ethbal - ethvalue) >= 0: |
||||
self.accounts[msg.sender].eth = ethbal - ethvalue |
||||
self.accounts[msg.sender].usd = usdbal + usdplus |
||||
self.eth_exposure -= ethvalue |
||||
self.usd_exposure += usdplus |
||||
return([ethbal - ethvalue, usdbal + usdplus], 2) |
||||
|
||||
def deposit(): |
||||
self.accounts[msg.sender].eth = ethbal + msg.value |
||||
self.eth_exposure += msg.value |
||||
return(ethbal + msg.value) |
||||
|
||||
def withdraw(value): |
||||
if value > 0 and value <= ethbal and usdbal * usdprice * 2 + (ethbal - value) >= 0: |
||||
self.accounts[msg.sender].eth -= value |
||||
self.eth_exposure -= value |
||||
return(ethbal - value) |
||||
|
||||
def balance(acct): |
||||
self.ping(acct) |
||||
return([self.accounts[acct].eth, self.accounts[acct].usd], 2) |
||||
|
||||
def global_state_query(acct): |
||||
interest = self.last_interest_rate |
||||
usd_exposure = self.usd_exposure |
||||
eth_exposure = self.eth_exposure |
||||
eth_balance = self.balance |
||||
return([epoch, usdprice, interest, usd_exposure, eth_exposure, eth_balance], 6) |
||||
|
||||
def ping(acct): |
||||
account_last_epoch = self.accounts[acct].last_epoch |
||||
if account_last_epoch != epoch: |
||||
cur_usd_balance = self.accounts[acct].usd |
||||
new_usd_balance = cur_usd_balance * self.interest_rate_accum[epoch] / self.interest_rate_accum[account_last_epoch] |
||||
self.accounts[acct].usd = new_usd_balance |
||||
self.accounts[acct].last_epoch = epoch |
||||
self.usd_exposure += new_usd_balance - cur_usd_balance |
||||
|
||||
ethbal = self.accounts[acct].eth |
||||
|
||||
if new_usd_balance * usdval * 10 + ethbal * 9 < 0: |
||||
self.accounts[acct].eth = 0 |
||||
self.accounts[acct].usd = 0 |
||||
self.accounts[msg.sender].eth += ethbal / 50 |
||||
self.eth_exposure += -ethbal + ethbal / 50 |
||||
self.usd_exposure += new_usd_balance |
||||
return(1) |
||||
return(0) |
||||
@ -1 +0,0 @@ |
||||
return(sha3([msg.sender, msg.data[0]], 2)) |
||||
@ -1,3 +0,0 @@ |
||||
def register(k, v): |
||||
if !self.storage[k]: |
||||
self.storage[k] = v |
||||
11
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/subcurrency.se
generated
vendored
11
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/examples/subcurrency.se
generated
vendored
@ -1,11 +0,0 @@ |
||||
def init(): |
||||
self.storage[msg.sender] = 1000000 |
||||
|
||||
def balance_query(k): |
||||
return(self.storage[addr]) |
||||
|
||||
def send(to, value): |
||||
fromvalue = self.storage[msg.sender] |
||||
if fromvalue >= value: |
||||
self.storage[from] = fromvalue - value |
||||
self.storage[to] += value |
||||
@ -1,35 +0,0 @@ |
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include "funcs.h" |
||||
#include "bignum.h" |
||||
#include "util.h" |
||||
#include "parser.h" |
||||
#include "lllparser.h" |
||||
#include "compiler.h" |
||||
#include "rewriter.h" |
||||
#include "tokenize.h" |
||||
|
||||
Node compileToLLL(std::string input) { |
||||
return rewrite(parseSerpent(input)); |
||||
} |
||||
|
||||
Node compileChunkToLLL(std::string input) { |
||||
return rewriteChunk(parseSerpent(input)); |
||||
} |
||||
|
||||
std::string compile(std::string input) { |
||||
return compileLLL(compileToLLL(input)); |
||||
} |
||||
|
||||
std::vector<Node> prettyCompile(std::string input) { |
||||
return prettyCompileLLL(compileToLLL(input)); |
||||
} |
||||
|
||||
std::string compileChunk(std::string input) { |
||||
return compileLLL(compileChunkToLLL(input)); |
||||
} |
||||
|
||||
std::vector<Node> prettyCompileChunk(std::string input) { |
||||
return prettyCompileLLL(compileChunkToLLL(input)); |
||||
} |
||||
@ -1,35 +0,0 @@ |
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include "bignum.h" |
||||
#include "util.h" |
||||
#include "parser.h" |
||||
#include "lllparser.h" |
||||
#include "compiler.h" |
||||
#include "rewriter.h" |
||||
#include "tokenize.h" |
||||
|
||||
// Function listing:
|
||||
//
|
||||
// parseSerpent (serpent -> AST) std::string -> Node
|
||||
// parseLLL (LLL -> AST) std::string -> Node
|
||||
// rewrite (apply rewrite rules) Node -> Node
|
||||
// compileToLLL (serpent -> LLL) std::string -> Node
|
||||
// compileLLL (LLL -> EVMhex) Node -> std::string
|
||||
// prettyCompileLLL (LLL -> EVMasm) Node -> std::vector<Node>
|
||||
// prettyCompile (serpent -> EVMasm) std::string -> std::vector>Node>
|
||||
// compile (serpent -> EVMhex) std::string -> std::string
|
||||
// get_file_contents (filename -> file) std::string -> std::string
|
||||
// exists (does file exist?) std::string -> bool
|
||||
|
||||
Node compileToLLL(std::string input); |
||||
|
||||
Node compileChunkToLLL(std::string input); |
||||
|
||||
std::string compile(std::string input); |
||||
|
||||
std::vector<Node> prettyCompile(std::string input); |
||||
|
||||
std::string compileChunk(std::string input); |
||||
|
||||
std::vector<Node> prettyCompileChunk(std::string input); |
||||
@ -1,203 +0,0 @@ |
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include <map> |
||||
#include "util.h" |
||||
#include "lllparser.h" |
||||
#include "bignum.h" |
||||
#include "optimize.h" |
||||
#include "rewriteutils.h" |
||||
#include "preprocess.h" |
||||
#include "functions.h" |
||||
|
||||
std::string getSignature(std::vector<Node> args) { |
||||
std::string o; |
||||
for (unsigned i = 0; i < args.size(); i++) { |
||||
if (args[i].val == ":" && args[i].args[1].val == "s") |
||||
o += "s"; |
||||
else if (args[i].val == ":" && args[i].args[1].val == "a") |
||||
o += "a"; |
||||
else |
||||
o += "i"; |
||||
} |
||||
return o; |
||||
} |
||||
|
||||
// Convert a list of arguments into a node containing a
|
||||
// < datastart, datasz > pair
|
||||
|
||||
Node packArguments(std::vector<Node> args, std::string sig, |
||||
int funId, Metadata m) { |
||||
// Plain old 32 byte arguments
|
||||
std::vector<Node> nargs; |
||||
// Variable-sized arguments
|
||||
std::vector<Node> vargs; |
||||
// Variable sizes
|
||||
std::vector<Node> sizes; |
||||
// Is a variable an array?
|
||||
std::vector<bool> isArray; |
||||
// Fill up above three argument lists
|
||||
int argCount = 0; |
||||
for (unsigned i = 0; i < args.size(); i++) { |
||||
Metadata m = args[i].metadata; |
||||
if (args[i].val == "=") { |
||||
// do nothing
|
||||
} |
||||
else { |
||||
// Determine the correct argument type
|
||||
char argType; |
||||
if (sig.size() > 0) { |
||||
if (argCount >= (signed)sig.size()) |
||||
err("Too many args", m); |
||||
argType = sig[argCount]; |
||||
} |
||||
else argType = 'i'; |
||||
// Integer (also usable for short strings)
|
||||
if (argType == 'i') { |
||||
if (args[i].val == ":") |
||||
err("Function asks for int, provided string or array", m); |
||||
nargs.push_back(args[i]); |
||||
} |
||||
// Long string
|
||||
else if (argType == 's') { |
||||
if (args[i].val != ":") |
||||
err("Must specify string length", m); |
||||
vargs.push_back(args[i].args[0]); |
||||
sizes.push_back(args[i].args[1]); |
||||
isArray.push_back(false); |
||||
} |
||||
// Array
|
||||
else if (argType == 'a') { |
||||
if (args[i].val != ":") |
||||
err("Must specify array length", m); |
||||
vargs.push_back(args[i].args[0]); |
||||
sizes.push_back(args[i].args[1]); |
||||
isArray.push_back(true); |
||||
} |
||||
else err("Invalid arg type in signature", m); |
||||
argCount++; |
||||
} |
||||
} |
||||
int static_arg_size = 1 + (vargs.size() + nargs.size()) * 32; |
||||
// Start off by saving the size variables and calculating the total
|
||||
msn kwargs; |
||||
kwargs["funid"] = tkn(utd(funId), m); |
||||
std::string pattern = |
||||
"(with _sztot "+utd(static_arg_size)+" " |
||||
" (with _sizes (alloc "+utd(sizes.size() * 32)+") " |
||||
" (seq "; |
||||
for (unsigned i = 0; i < sizes.size(); i++) { |
||||
std::string sizeIncrement =
|
||||
isArray[i] ? "(mul 32 _x)" : "_x"; |
||||
pattern += |
||||
"(with _x $sz"+utd(i)+"(seq " |
||||
" (mstore (add _sizes "+utd(i * 32)+") _x) " |
||||
" (set _sztot (add _sztot "+sizeIncrement+" )))) "; |
||||
kwargs["sz"+utd(i)] = sizes[i]; |
||||
} |
||||
// Allocate memory, and set first data byte
|
||||
pattern += |
||||
"(with _datastart (alloc (add _sztot 32)) (seq " |
||||
" (mstore8 _datastart $funid) "; |
||||
// Copy over size variables
|
||||
for (unsigned i = 0; i < sizes.size(); i++) { |
||||
int v = 1 + i * 32; |
||||
pattern += |
||||
" (mstore " |
||||
" (add _datastart "+utd(v)+") " |
||||
" (mload (add _sizes "+utd(v-1)+"))) "; |
||||
} |
||||
// Store normal arguments
|
||||
for (unsigned i = 0; i < nargs.size(); i++) { |
||||
int v = 1 + (i + sizes.size()) * 32; |
||||
pattern += |
||||
" (mstore (add _datastart "+utd(v)+") $"+utd(i)+") "; |
||||
kwargs[utd(i)] = nargs[i]; |
||||
} |
||||
// Loop through variable-sized arguments, store them
|
||||
pattern +=
|
||||
" (with _pos (add _datastart "+utd(static_arg_size)+") (seq"; |
||||
for (unsigned i = 0; i < vargs.size(); i++) { |
||||
std::string copySize = |
||||
isArray[i] ? "(mul 32 (mload (add _sizes "+utd(i * 32)+")))" |
||||
: "(mload (add _sizes "+utd(i * 32)+"))"; |
||||
pattern += |
||||
" (unsafe_mcopy _pos $vl"+utd(i)+" "+copySize+") " |
||||
" (set _pos (add _pos "+copySize+")) "; |
||||
kwargs["vl"+utd(i)] = vargs[i]; |
||||
} |
||||
// Return a 2-item array containing the start and size
|
||||
pattern += " (array_lit _datastart _sztot))))))))"; |
||||
std::string prefix = "_temp_"+mkUniqueToken(); |
||||
// Fill in pattern, return triple
|
||||
return subst(parseLLL(pattern), kwargs, prefix, m); |
||||
} |
||||
|
||||
// Create a node for argument unpacking
|
||||
Node unpackArguments(std::vector<Node> vars, Metadata m) { |
||||
std::vector<std::string> varNames; |
||||
std::vector<std::string> longVarNames; |
||||
std::vector<bool> longVarIsArray; |
||||
// Fill in variable and long variable names, as well as which
|
||||
// long variables are arrays and which are strings
|
||||
for (unsigned i = 0; i < vars.size(); i++) { |
||||
if (vars[i].val == ":") { |
||||
if (vars[i].args.size() != 2) |
||||
err("Malformed def!", m); |
||||
longVarNames.push_back(vars[i].args[0].val); |
||||
std::string tag = vars[i].args[1].val; |
||||
if (tag == "s") |
||||
longVarIsArray.push_back(false); |
||||
else if (tag == "a") |
||||
longVarIsArray.push_back(true); |
||||
else |
||||
err("Function value can only be string or array", m); |
||||
} |
||||
else { |
||||
varNames.push_back(vars[i].val); |
||||
} |
||||
} |
||||
std::vector<Node> sub; |
||||
if (!varNames.size() && !longVarNames.size()) { |
||||
// do nothing if we have no arguments
|
||||
} |
||||
else { |
||||
std::vector<Node> varNodes; |
||||
for (unsigned i = 0; i < longVarNames.size(); i++) |
||||
varNodes.push_back(token(longVarNames[i], m)); |
||||
for (unsigned i = 0; i < varNames.size(); i++) |
||||
varNodes.push_back(token(varNames[i], m)); |
||||
// Copy over variable lengths and short variables
|
||||
for (unsigned i = 0; i < varNodes.size(); i++) { |
||||
int pos = 1 + i * 32; |
||||
std::string prefix = (i < longVarNames.size()) ? "_len_" : ""; |
||||
sub.push_back(asn("untyped", asn("set", |
||||
token(prefix+varNodes[i].val, m), |
||||
asn("calldataload", tkn(utd(pos), m), m), |
||||
m))); |
||||
} |
||||
// Copy over long variables
|
||||
if (longVarNames.size() > 0) { |
||||
std::vector<Node> sub2; |
||||
int pos = varNodes.size() * 32 + 1; |
||||
Node tot = tkn("_tot", m); |
||||
for (unsigned i = 0; i < longVarNames.size(); i++) { |
||||
Node var = tkn(longVarNames[i], m); |
||||
Node varlen = longVarIsArray[i]
|
||||
? asn("mul", tkn("32", m), tkn("_len_"+longVarNames[i], m)) |
||||
: tkn("_len_"+longVarNames[i], m); |
||||
sub2.push_back(asn("untyped", |
||||
asn("set", var, asn("alloc", varlen)))); |
||||
sub2.push_back(asn("calldatacopy", var, tot, varlen)); |
||||
sub2.push_back(asn("set", tot, asn("add", tot, varlen))); |
||||
} |
||||
std::string prefix = "_temp_"+mkUniqueToken(); |
||||
sub.push_back(subst( |
||||
astnode("with", tot, tkn(utd(pos), m), asn("seq", sub2)), |
||||
msn(), |
||||
prefix, |
||||
m)); |
||||
} |
||||
} |
||||
return asn("seq", sub, m); |
||||
} |
||||
@ -1,39 +0,0 @@ |
||||
#ifndef ETHSERP_FUNCTIONS |
||||
#define ETHSERP_FUNCTIONS |
||||
|
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include <map> |
||||
#include "util.h" |
||||
#include "lllparser.h" |
||||
#include "bignum.h" |
||||
#include "optimize.h" |
||||
#include "rewriteutils.h" |
||||
#include "preprocess.h" |
||||
|
||||
|
||||
class argPack { |
||||
public: |
||||
argPack(Node a, Node b, Node c) { |
||||
pre = a; |
||||
datastart = b; |
||||
datasz = c; |
||||
} |
||||
Node pre; |
||||
Node datastart; |
||||
Node datasz; |
||||
}; |
||||
|
||||
// Get a signature from a function
|
||||
std::string getSignature(std::vector<Node> args); |
||||
|
||||
// Convert a list of arguments into a <pre, mstart, msize> node
|
||||
// triple, given the signature of a function
|
||||
Node packArguments(std::vector<Node> args, std::string sig, |
||||
int funId, Metadata m); |
||||
|
||||
// Create a node for argument unpacking
|
||||
Node unpackArguments(std::vector<Node> vars, Metadata m); |
||||
|
||||
#endif |
||||
@ -1,70 +0,0 @@ |
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include <map> |
||||
#include "util.h" |
||||
#include "lllparser.h" |
||||
#include "tokenize.h" |
||||
|
||||
struct _parseOutput { |
||||
Node node; |
||||
int newpos; |
||||
}; |
||||
|
||||
// Helper, returns subtree and position of start of next node
|
||||
_parseOutput _parse(std::vector<Node> inp, int pos) { |
||||
Metadata met = inp[pos].metadata; |
||||
_parseOutput o; |
||||
// Bracket: keep grabbing tokens until we get to the
|
||||
// corresponding closing bracket
|
||||
if (inp[pos].val == "(" || inp[pos].val == "[") { |
||||
std::string fun, rbrack; |
||||
std::vector<Node> args; |
||||
pos += 1; |
||||
if (inp[pos].val == "[") { |
||||
fun = "access"; |
||||
rbrack = "]"; |
||||
} |
||||
else rbrack = ")"; |
||||
// First argument is the function
|
||||
while (inp[pos].val != ")") { |
||||
_parseOutput po = _parse(inp, pos); |
||||
if (fun.length() == 0 && po.node.type == 1) { |
||||
std::cerr << "Error: first arg must be function\n"; |
||||
fun = po.node.val; |
||||
} |
||||
else if (fun.length() == 0) { |
||||
fun = po.node.val; |
||||
} |
||||
else { |
||||
args.push_back(po.node); |
||||
} |
||||
pos = po.newpos; |
||||
} |
||||
o.newpos = pos + 1; |
||||
o.node = astnode(fun, args, met); |
||||
} |
||||
// Normal token, return it and advance to next token
|
||||
else { |
||||
o.newpos = pos + 1; |
||||
o.node = token(inp[pos].val, met); |
||||
} |
||||
return o; |
||||
} |
||||
|
||||
// stream of tokens -> lisp parse tree
|
||||
Node parseLLLTokenStream(std::vector<Node> inp) { |
||||
_parseOutput o = _parse(inp, 0); |
||||
return o.node; |
||||
} |
||||
|
||||
// Parses LLL
|
||||
Node parseLLL(std::string s, bool allowFileRead) { |
||||
std::string input = s; |
||||
std::string file = "main"; |
||||
if (exists(s) && allowFileRead) { |
||||
file = s; |
||||
input = get_file_contents(s); |
||||
} |
||||
return parseLLLTokenStream(tokenize(s, Metadata(file, 0, 0), true)); |
||||
} |
||||
@ -1,13 +0,0 @@ |
||||
#ifndef ETHSERP_LLLPARSER |
||||
#define ETHSERP_LLLPARSER |
||||
|
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include <map> |
||||
#include "util.h" |
||||
|
||||
// LLL text -> parse tree
|
||||
Node parseLLL(std::string s, bool allowFileRead=false); |
||||
|
||||
#endif |
||||
@ -1,154 +0,0 @@ |
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include <map> |
||||
#include "opcodes.h" |
||||
#include "util.h" |
||||
#include "bignum.h" |
||||
|
||||
Mapping mapping[] = { |
||||
Mapping("STOP", 0x00, 0, 0), |
||||
Mapping("ADD", 0x01, 2, 1), |
||||
Mapping("MUL", 0x02, 2, 1), |
||||
Mapping("SUB", 0x03, 2, 1), |
||||
Mapping("DIV", 0x04, 2, 1), |
||||
Mapping("SDIV", 0x05, 2, 1), |
||||
Mapping("MOD", 0x06, 2, 1), |
||||
Mapping("SMOD", 0x07, 2, 1), |
||||
Mapping("ADDMOD", 0x08, 3, 1), |
||||
Mapping("MULMOD", 0x09, 3, 1), |
||||
Mapping("EXP", 0x0a, 2, 1), |
||||
Mapping("SIGNEXTEND", 0x0b, 2, 1), |
||||
Mapping("LT", 0x10, 2, 1), |
||||
Mapping("GT", 0x11, 2, 1), |
||||
Mapping("SLT", 0x12, 2, 1), |
||||
Mapping("SGT", 0x13, 2, 1), |
||||
Mapping("EQ", 0x14, 2, 1), |
||||
Mapping("ISZERO", 0x15, 1, 1), |
||||
Mapping("AND", 0x16, 2, 1), |
||||
Mapping("OR", 0x17, 2, 1), |
||||
Mapping("XOR", 0x18, 2, 1), |
||||
Mapping("NOT", 0x19, 1, 1), |
||||
Mapping("BYTE", 0x1a, 2, 1), |
||||
Mapping("SHA3", 0x20, 2, 1), |
||||
Mapping("ADDRESS", 0x30, 0, 1), |
||||
Mapping("BALANCE", 0x31, 1, 1), |
||||
Mapping("ORIGIN", 0x32, 0, 1), |
||||
Mapping("CALLER", 0x33, 0, 1), |
||||
Mapping("CALLVALUE", 0x34, 0, 1), |
||||
Mapping("CALLDATALOAD", 0x35, 1, 1), |
||||
Mapping("CALLDATASIZE", 0x36, 0, 1), |
||||
Mapping("CALLDATACOPY", 0x37, 3, 0), |
||||
Mapping("CODESIZE", 0x38, 0, 1), |
||||
Mapping("CODECOPY", 0x39, 3, 0), |
||||
Mapping("GASPRICE", 0x3a, 0, 1), |
||||
Mapping("EXTCODESIZE", 0x3b, 1, 1), |
||||
Mapping("EXTCODECOPY", 0x3c, 4, 0), |
||||
Mapping("PREVHASH", 0x40, 0, 1), |
||||
Mapping("COINBASE", 0x41, 0, 1), |
||||
Mapping("TIMESTAMP", 0x42, 0, 1), |
||||
Mapping("NUMBER", 0x43, 0, 1), |
||||
Mapping("DIFFICULTY", 0x44, 0, 1), |
||||
Mapping("GASLIMIT", 0x45, 0, 1), |
||||
Mapping("POP", 0x50, 1, 0), |
||||
Mapping("MLOAD", 0x51, 1, 1), |
||||
Mapping("MSTORE", 0x52, 2, 0), |
||||
Mapping("MSTORE8", 0x53, 2, 0), |
||||
Mapping("SLOAD", 0x54, 1, 1), |
||||
Mapping("SSTORE", 0x55, 2, 0), |
||||
Mapping("JUMP", 0x56, 1, 0), |
||||
Mapping("JUMPI", 0x57, 2, 0), |
||||
Mapping("PC", 0x58, 0, 1), |
||||
Mapping("MSIZE", 0x59, 0, 1), |
||||
Mapping("GAS", 0x5a, 0, 1), |
||||
Mapping("JUMPDEST", 0x5b, 0, 0), |
||||
Mapping("LOG0", 0xa0, 2, 0), |
||||
Mapping("LOG1", 0xa1, 3, 0), |
||||
Mapping("LOG2", 0xa2, 4, 0), |
||||
Mapping("LOG3", 0xa3, 5, 0), |
||||
Mapping("LOG4", 0xa4, 6, 0), |
||||
Mapping("CREATE", 0xf0, 3, 1), |
||||
Mapping("CALL", 0xf1, 7, 1), |
||||
Mapping("CALLCODE", 0xf2, 7, 1), |
||||
Mapping("RETURN", 0xf3, 2, 0), |
||||
Mapping("SUICIDE", 0xff, 1, 0), |
||||
Mapping("---END---", 0x00, 0, 0), |
||||
}; |
||||
|
||||
std::map<std::string, std::vector<int> > opcodes; |
||||
std::map<int, std::string> reverseOpcodes; |
||||
|
||||
// Fetches everything EXCEPT PUSH1..32
|
||||
std::pair<std::string, std::vector<int> > _opdata(std::string ops, int opi) { |
||||
if (!opcodes.size()) { |
||||
int i = 0; |
||||
while (mapping[i].op != "---END---") { |
||||
Mapping mi = mapping[i]; |
||||
opcodes[mi.op] = triple(mi.opcode, mi.in, mi.out); |
||||
i++; |
||||
} |
||||
for (i = 1; i <= 16; i++) { |
||||
opcodes["DUP"+unsignedToDecimal(i)] = triple(0x7f + i, i, i+1); |
||||
opcodes["SWAP"+unsignedToDecimal(i)] = triple(0x8f + i, i+1, i+1); |
||||
} |
||||
for (std::map<std::string, std::vector<int> >::iterator it=opcodes.begin(); |
||||
it != opcodes.end(); |
||||
it++) { |
||||
reverseOpcodes[(*it).second[0]] = (*it).first; |
||||
} |
||||
} |
||||
ops = upperCase(ops); |
||||
std::string op; |
||||
std::vector<int> opdata; |
||||
op = reverseOpcodes.count(opi) ? reverseOpcodes[opi] : ""; |
||||
opdata = opcodes.count(ops) ? opcodes[ops] : triple(-1, -1, -1); |
||||
return std::pair<std::string, std::vector<int> >(op, opdata); |
||||
} |
||||
|
||||
int opcode(std::string op) { |
||||
return _opdata(op, -1).second[0]; |
||||
} |
||||
|
||||
int opinputs(std::string op) { |
||||
return _opdata(op, -1).second[1]; |
||||
} |
||||
|
||||
int opoutputs(std::string op) { |
||||
return _opdata(op, -1).second[2]; |
||||
} |
||||
|
||||
std::string op(int opcode) { |
||||
return _opdata("", opcode).first; |
||||
} |
||||
|
||||
std::string lllSpecials[][3] = { |
||||
{ "ref", "1", "1" }, |
||||
{ "get", "1", "1" }, |
||||
{ "set", "2", "2" }, |
||||
{ "with", "3", "3" }, |
||||
{ "comment", "0", "2147483647" }, |
||||
{ "ops", "0", "2147483647" }, |
||||
{ "lll", "2", "2" }, |
||||
{ "seq", "0", "2147483647" }, |
||||
{ "if", "3", "3" }, |
||||
{ "unless", "2", "2" }, |
||||
{ "until", "2", "2" }, |
||||
{ "alloc", "1", "1" }, |
||||
{ "---END---", "0", "0" }, |
||||
}; |
||||
|
||||
std::map<std::string, std::pair<int, int> > lllMap; |
||||
|
||||
// Is a function name one of the valid functions above?
|
||||
bool isValidLLLFunc(std::string f, int argc) { |
||||
if (lllMap.size() == 0) { |
||||
for (int i = 0; ; i++) { |
||||
if (lllSpecials[i][0] == "---END---") break; |
||||
lllMap[lllSpecials[i][0]] = std::pair<int, int>( |
||||
dtu(lllSpecials[i][1]), dtu(lllSpecials[i][2])); |
||||
} |
||||
} |
||||
return lllMap.count(f) |
||||
&& argc >= lllMap[f].first |
||||
&& argc <= lllMap[f].second; |
||||
} |
||||
@ -1,45 +0,0 @@ |
||||
#ifndef ETHSERP_OPCODES |
||||
#define ETHSERP_OPCODES |
||||
|
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include <map> |
||||
#include "util.h" |
||||
|
||||
class Mapping { |
||||
public: |
||||
Mapping(std::string Op, int Opcode, int In, int Out) { |
||||
op = Op; |
||||
opcode = Opcode; |
||||
in = In; |
||||
out = Out; |
||||
} |
||||
std::string op; |
||||
int opcode; |
||||
int in; |
||||
int out; |
||||
}; |
||||
|
||||
extern Mapping mapping[]; |
||||
|
||||
extern std::map<std::string, std::vector<int> > opcodes; |
||||
extern std::map<int, std::string> reverseOpcodes; |
||||
|
||||
std::pair<std::string, std::vector<int> > _opdata(std::string ops, int opi); |
||||
|
||||
int opcode(std::string op); |
||||
|
||||
int opinputs(std::string op); |
||||
|
||||
int opoutputs(std::string op); |
||||
|
||||
std::string op(int opcode); |
||||
|
||||
extern std::string lllSpecials[][3]; |
||||
|
||||
extern std::map<std::string, std::pair<int, int> > lllMap; |
||||
|
||||
bool isValidLLLFunc(std::string f, int argc); |
||||
|
||||
#endif |
||||
@ -1,98 +0,0 @@ |
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include <map> |
||||
#include "util.h" |
||||
#include "lllparser.h" |
||||
#include "bignum.h" |
||||
|
||||
// Compile-time arithmetic calculations
|
||||
Node optimize(Node inp) { |
||||
if (inp.type == TOKEN) { |
||||
Node o = tryNumberize(inp); |
||||
if (decimalGt(o.val, tt256, true)) |
||||
err("Value too large (exceeds 32 bytes or 2^256)", inp.metadata); |
||||
return o; |
||||
} |
||||
for (unsigned i = 0; i < inp.args.size(); i++) { |
||||
inp.args[i] = optimize(inp.args[i]); |
||||
} |
||||
// Arithmetic-specific transform
|
||||
if (inp.val == "+") inp.val = "add"; |
||||
if (inp.val == "*") inp.val = "mul"; |
||||
if (inp.val == "-") inp.val = "sub"; |
||||
if (inp.val == "/") inp.val = "sdiv"; |
||||
if (inp.val == "^") inp.val = "exp"; |
||||
if (inp.val == "**") inp.val = "exp"; |
||||
if (inp.val == "%") inp.val = "smod"; |
||||
// Degenerate cases for add and mul
|
||||
if (inp.args.size() == 2) { |
||||
if (inp.val == "add" && inp.args[0].type == TOKEN &&
|
||||
inp.args[0].val == "0") { |
||||
Node x = inp.args[1]; |
||||
inp = x; |
||||
} |
||||
if (inp.val == "add" && inp.args[1].type == TOKEN &&
|
||||
inp.args[1].val == "0") { |
||||
Node x = inp.args[0]; |
||||
inp = x; |
||||
} |
||||
if (inp.val == "mul" && inp.args[0].type == TOKEN &&
|
||||
inp.args[0].val == "1") { |
||||
Node x = inp.args[1]; |
||||
inp = x; |
||||
} |
||||
if (inp.val == "mul" && inp.args[1].type == TOKEN &&
|
||||
inp.args[1].val == "1") { |
||||
Node x = inp.args[0]; |
||||
inp = x; |
||||
} |
||||
} |
||||
// Arithmetic computation
|
||||
if (inp.args.size() == 2
|
||||
&& inp.args[0].type == TOKEN
|
||||
&& inp.args[1].type == TOKEN) { |
||||
std::string o; |
||||
if (inp.val == "add") { |
||||
o = decimalMod(decimalAdd(inp.args[0].val, inp.args[1].val), tt256); |
||||
} |
||||
else if (inp.val == "sub") { |
||||
if (decimalGt(inp.args[0].val, inp.args[1].val, true)) |
||||
o = decimalSub(inp.args[0].val, inp.args[1].val); |
||||
} |
||||
else if (inp.val == "mul") { |
||||
o = decimalMod(decimalMul(inp.args[0].val, inp.args[1].val), tt256); |
||||
} |
||||
else if (inp.val == "div" && inp.args[1].val != "0") { |
||||
o = decimalDiv(inp.args[0].val, inp.args[1].val); |
||||
} |
||||
else if (inp.val == "sdiv" && inp.args[1].val != "0" |
||||
&& decimalGt(tt255, inp.args[0].val) |
||||
&& decimalGt(tt255, inp.args[1].val)) { |
||||
o = decimalDiv(inp.args[0].val, inp.args[1].val); |
||||
} |
||||
else if (inp.val == "mod" && inp.args[1].val != "0") { |
||||
o = decimalMod(inp.args[0].val, inp.args[1].val); |
||||
} |
||||
else if (inp.val == "smod" && inp.args[1].val != "0" |
||||
&& decimalGt(tt255, inp.args[0].val) |
||||
&& decimalGt(tt255, inp.args[1].val)) { |
||||
o = decimalMod(inp.args[0].val, inp.args[1].val); |
||||
}
|
||||
else if (inp.val == "exp") { |
||||
o = decimalModExp(inp.args[0].val, inp.args[1].val, tt256); |
||||
} |
||||
if (o.length()) return token(o, inp.metadata); |
||||
} |
||||
return inp; |
||||
} |
||||
|
||||
// Is a node degenerate (ie. trivial to calculate) ?
|
||||
bool isDegenerate(Node n) { |
||||
return optimize(n).type == TOKEN; |
||||
} |
||||
|
||||
// Is a node purely arithmetic?
|
||||
bool isPureArithmetic(Node n) { |
||||
return isNumberLike(optimize(n)); |
||||
} |
||||
@ -1,19 +0,0 @@ |
||||
#ifndef ETHSERP_OPTIMIZER |
||||
#define ETHSERP_OPTIMIZER |
||||
|
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include <map> |
||||
#include "util.h" |
||||
|
||||
// Compile-time arithmetic calculations
|
||||
Node optimize(Node inp); |
||||
|
||||
// Is a node degenerate (ie. trivial to calculate) ?
|
||||
bool isDegenerate(Node n); |
||||
|
||||
// Is a node purely arithmetic?
|
||||
bool isPureArithmetic(Node n); |
||||
|
||||
#endif |
||||
@ -1,430 +0,0 @@ |
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include <map> |
||||
#include "util.h" |
||||
#include "parser.h" |
||||
#include "tokenize.h" |
||||
|
||||
// Extended BEDMAS precedence order
|
||||
int precedence(Node tok) { |
||||
std::string v = tok.val; |
||||
if (v == ".") return -1; |
||||
else if (v == "!" || v == "not") return 1; |
||||
else if (v=="^" || v == "**") return 2; |
||||
else if (v=="*" || v=="/" || v=="%") return 3; |
||||
else if (v=="+" || v=="-") return 4; |
||||
else if (v=="<" || v==">" || v=="<=" || v==">=") return 5; |
||||
else if (v=="&" || v=="|" || v=="xor" || v=="==" || v == "!=") return 6; |
||||
else if (v=="&&" || v=="and") return 7;
|
||||
else if (v=="||" || v=="or") return 8; |
||||
else if (v=="=") return 10; |
||||
else if (v=="+=" || v=="-=" || v=="*=" || v=="/=" || v=="%=") return 10; |
||||
else if (v==":" || v == "::") return 11; |
||||
else return 0; |
||||
} |
||||
|
||||
// Token classification for shunting-yard purposes
|
||||
int toktype(Node tok) { |
||||
if (tok.type == ASTNODE) return COMPOUND; |
||||
std::string v = tok.val; |
||||
if (v == "(" || v == "[" || v == "{") return LPAREN; |
||||
else if (v == ")" || v == "]" || v == "}") return RPAREN; |
||||
else if (v == ",") return COMMA; |
||||
else if (v == "!" || v == "~" || v == "not") return UNARY_OP; |
||||
else if (precedence(tok) > 0) return BINARY_OP; |
||||
else if (precedence(tok) < 0) return TOKEN_SPLITTER; |
||||
if (tok.val[0] != '"' && tok.val[0] != '\'') { |
||||
for (unsigned i = 0; i < tok.val.length(); i++) { |
||||
if (chartype(tok.val[i]) == SYMB) { |
||||
err("Invalid symbol: "+tok.val, tok.metadata); |
||||
} |
||||
} |
||||
} |
||||
return ALPHANUM; |
||||
} |
||||
|
||||
|
||||
// Converts to reverse polish notation
|
||||
std::vector<Node> shuntingYard(std::vector<Node> tokens) { |
||||
std::vector<Node> iq; |
||||
for (int i = tokens.size() - 1; i >= 0; i--) { |
||||
iq.push_back(tokens[i]); |
||||
} |
||||
std::vector<Node> oq; |
||||
std::vector<Node> stack; |
||||
Node prev, tok; |
||||
int prevtyp = 0, toktyp = 0; |
||||
|
||||
while (iq.size()) { |
||||
prev = tok; |
||||
prevtyp = toktyp; |
||||
tok = iq.back(); |
||||
toktyp = toktype(tok); |
||||
iq.pop_back(); |
||||
// Alphanumerics go straight to output queue
|
||||
if (toktyp == ALPHANUM) { |
||||
oq.push_back(tok); |
||||
} |
||||
// Left parens go on stack and output queue
|
||||
else if (toktyp == LPAREN) { |
||||
while (stack.size() && toktype(stack.back()) == TOKEN_SPLITTER) { |
||||
oq.push_back(stack.back()); |
||||
stack.pop_back(); |
||||
} |
||||
if (prevtyp != ALPHANUM && prevtyp != RPAREN) { |
||||
oq.push_back(token("id", tok.metadata)); |
||||
} |
||||
stack.push_back(tok); |
||||
oq.push_back(tok); |
||||
} |
||||
// If rparen, keep moving from stack to output queue until lparen
|
||||
else if (toktyp == RPAREN) { |
||||
while (stack.size() && toktype(stack.back()) != LPAREN) { |
||||
oq.push_back(stack.back()); |
||||
stack.pop_back(); |
||||
} |
||||
if (stack.size()) { |
||||
stack.pop_back(); |
||||
} |
||||
oq.push_back(tok); |
||||
} |
||||
else if (toktyp == UNARY_OP) { |
||||
stack.push_back(tok); |
||||
} |
||||
// If token splitter, just push it to the stack
|
||||
else if (toktyp == TOKEN_SPLITTER) { |
||||
while (stack.size() && toktype(stack.back()) == TOKEN_SPLITTER) { |
||||
oq.push_back(stack.back()); |
||||
stack.pop_back(); |
||||
} |
||||
stack.push_back(tok); |
||||
} |
||||
// If binary op, keep popping from stack while higher bedmas precedence
|
||||
else if (toktyp == BINARY_OP) { |
||||
if (tok.val == "-" && prevtyp != ALPHANUM && prevtyp != RPAREN) { |
||||
stack.push_back(tok); |
||||
oq.push_back(token("0", tok.metadata)); |
||||
} |
||||
else { |
||||
int prec = precedence(tok); |
||||
while (stack.size()
|
||||
&& (toktype(stack.back()) == BINARY_OP
|
||||
|| toktype(stack.back()) == UNARY_OP |
||||
|| toktype(stack.back()) == TOKEN_SPLITTER) |
||||
&& precedence(stack.back()) <= prec) { |
||||
oq.push_back(stack.back()); |
||||
stack.pop_back(); |
||||
} |
||||
stack.push_back(tok); |
||||
} |
||||
} |
||||
// Comma means finish evaluating the argument
|
||||
else if (toktyp == COMMA) { |
||||
while (stack.size() && toktype(stack.back()) != LPAREN) { |
||||
oq.push_back(stack.back()); |
||||
stack.pop_back(); |
||||
} |
||||
} |
||||
} |
||||
while (stack.size()) { |
||||
oq.push_back(stack.back()); |
||||
stack.pop_back(); |
||||
} |
||||
return oq; |
||||
} |
||||
|
||||
// Converts reverse polish notation into tree
|
||||
Node treefy(std::vector<Node> stream) { |
||||
std::vector<Node> iq; |
||||
for (int i = stream.size() -1; i >= 0; i--) { |
||||
iq.push_back(stream[i]); |
||||
} |
||||
std::vector<Node> oq; |
||||
while (iq.size()) { |
||||
Node tok = iq.back(); |
||||
iq.pop_back(); |
||||
int typ = toktype(tok); |
||||
// If unary, take node off end of oq and wrap it with the operator
|
||||
// If binary, do the same with two nodes
|
||||
if (typ == UNARY_OP || typ == BINARY_OP || typ == TOKEN_SPLITTER) { |
||||
std::vector<Node> args; |
||||
int rounds = (typ == UNARY_OP) ? 1 : 2; |
||||
for (int i = 0; i < rounds; i++) { |
||||
if (oq.size() == 0) { |
||||
err("Line malformed, not enough args for "+tok.val, |
||||
tok.metadata); |
||||
} |
||||
args.push_back(oq.back()); |
||||
oq.pop_back(); |
||||
} |
||||
std::vector<Node> args2; |
||||
while (args.size()) { |
||||
args2.push_back(args.back()); |
||||
args.pop_back(); |
||||
} |
||||
oq.push_back(astnode(tok.val, args2, tok.metadata)); |
||||
} |
||||
// If rparen, keep grabbing until we get to an lparen
|
||||
else if (typ == RPAREN) { |
||||
std::vector<Node> args; |
||||
while (1) { |
||||
if (toktype(oq.back()) == LPAREN) break; |
||||
args.push_back(oq.back()); |
||||
oq.pop_back(); |
||||
if (!oq.size()) err("Bracket without matching", tok.metadata); |
||||
} |
||||
oq.pop_back(); |
||||
args.push_back(oq.back()); |
||||
oq.pop_back(); |
||||
// We represent a[b] as (access a b)
|
||||
if (tok.val == "]") |
||||
args.push_back(token("access", tok.metadata)); |
||||
if (args.back().type == ASTNODE) |
||||
args.push_back(token("fun", tok.metadata)); |
||||
std::string fun = args.back().val; |
||||
args.pop_back(); |
||||
// We represent [1,2,3] as (array_lit 1 2 3)
|
||||
if (fun == "access" && args.size() && args.back().val == "id") { |
||||
fun = "array_lit"; |
||||
args.pop_back(); |
||||
} |
||||
std::vector<Node> args2; |
||||
while (args.size()) { |
||||
args2.push_back(args.back()); |
||||
args.pop_back(); |
||||
} |
||||
// When evaluating 2 + (3 * 5), the shunting yard algo turns that
|
||||
// into 2 ( id 3 5 * ) +, effectively putting "id" as a dummy
|
||||
// function where the algo was expecting a function to call the
|
||||
// thing inside the brackets. This reverses that step
|
||||
if (fun == "id" && args2.size() == 1) { |
||||
oq.push_back(args2[0]); |
||||
} |
||||
else { |
||||
oq.push_back(astnode(fun, args2, tok.metadata)); |
||||
} |
||||
} |
||||
else oq.push_back(tok); |
||||
// This is messy, but has to be done. Import/inset other files here
|
||||
std::string v = oq.back().val; |
||||
if ((v == "inset" || v == "import" || v == "create")
|
||||
&& oq.back().args.size() == 1 |
||||
&& oq.back().args[0].type == TOKEN) { |
||||
int lastSlashPos = tok.metadata.file.rfind("/"); |
||||
std::string root; |
||||
if (lastSlashPos >= 0) |
||||
root = tok.metadata.file.substr(0, lastSlashPos) + "/"; |
||||
else |
||||
root = ""; |
||||
std::string filename = oq.back().args[0].val; |
||||
filename = filename.substr(1, filename.length() - 2); |
||||
if (!exists(root + filename)) |
||||
err("File does not exist: "+root + filename, tok.metadata); |
||||
oq.back().args.pop_back(); |
||||
oq.back().args.push_back(parseSerpent(root + filename)); |
||||
} |
||||
//Useful for debugging
|
||||
//for (int i = 0; i < oq.size(); i++) {
|
||||
// std::cerr << printSimple(oq[i]) << " ";
|
||||
//}
|
||||
//std::cerr << " <-\n";
|
||||
} |
||||
// Output must have one argument
|
||||
if (oq.size() == 0) { |
||||
err("Output blank", Metadata()); |
||||
} |
||||
else if (oq.size() > 1) { |
||||
return asn("multi", oq, oq[0].metadata); |
||||
} |
||||
|
||||
return oq[0]; |
||||
} |
||||
|
||||
|
||||
// Parses one line of serpent
|
||||
Node parseSerpentTokenStream(std::vector<Node> s) { |
||||
return treefy(shuntingYard(s)); |
||||
} |
||||
|
||||
|
||||
// Count spaces at beginning of line
|
||||
int spaceCount(std::string s) { |
||||
unsigned pos = 0; |
||||
while (pos < s.length() && (s[pos] == ' ' || s[pos] == '\t')) |
||||
pos++; |
||||
return pos; |
||||
} |
||||
|
||||
// Is this a command that takes an argument on the same line?
|
||||
bool bodied(std::string tok) { |
||||
return tok == "if" || tok == "elif" || tok == "while" |
||||
|| tok == "with" || tok == "def" || tok == "extern" |
||||
|| tok == "data" || tok == "assert" || tok == "return" |
||||
|| tok == "fun" || tok == "scope" || tok == "macro" |
||||
|| tok == "type"; |
||||
} |
||||
|
||||
// Are the two commands meant to continue each other?
|
||||
bool bodiedContinued(std::string prev, std::string tok) { |
||||
return (prev == "if" && tok == "elif") |
||||
|| (prev == "elif" && tok == "else") |
||||
|| (prev == "elif" && tok == "elif") |
||||
|| (prev == "if" && tok == "else"); |
||||
} |
||||
|
||||
// Is a line of code empty?
|
||||
bool isLineEmpty(std::string line) { |
||||
std::vector<Node> tokens = tokenize(line); |
||||
if (!tokens.size() || tokens[0].val == "#" || tokens[0].val == "//") |
||||
return true; |
||||
return false; |
||||
} |
||||
|
||||
// Parse lines of serpent (helper function)
|
||||
Node parseLines(std::vector<std::string> lines, Metadata metadata, int sp) { |
||||
std::vector<Node> o; |
||||
int origLine = metadata.ln; |
||||
unsigned i = 0; |
||||
while (i < lines.size()) { |
||||
metadata.ln = origLine + i;
|
||||
std::string main = lines[i]; |
||||
if (isLineEmpty(main)) { |
||||
i += 1; |
||||
continue; |
||||
} |
||||
int spaces = spaceCount(main); |
||||
if (spaces != sp) { |
||||
err("Indent mismatch", metadata); |
||||
} |
||||
// Tokenize current line
|
||||
std::vector<Node> tokens = tokenize(main.substr(sp), metadata); |
||||
// Remove comments
|
||||
std::vector<Node> tokens2; |
||||
for (unsigned j = 0; j < tokens.size(); j++) { |
||||
if (tokens[j].val == "#" || tokens[j].val == "//") break; |
||||
tokens2.push_back(tokens[j]); |
||||
} |
||||
bool expectingChildBlock = false; |
||||
if (tokens2.size() > 0 && tokens2.back().val == ":") { |
||||
tokens2.pop_back(); |
||||
expectingChildBlock = true; |
||||
} |
||||
// Parse current line
|
||||
Node out = parseSerpentTokenStream(tokens2); |
||||
// Parse child block
|
||||
int childIndent = 999999; |
||||
std::vector<std::string> childBlock; |
||||
while (1) { |
||||
i++; |
||||
if (i >= lines.size()) |
||||
break; |
||||
bool ile = isLineEmpty(lines[i]); |
||||
if (!ile) { |
||||
int spaces = spaceCount(lines[i]); |
||||
if (spaces <= sp) break; |
||||
childBlock.push_back(lines[i]); |
||||
if (spaces < childIndent) childIndent = spaces; |
||||
} |
||||
else childBlock.push_back(""); |
||||
} |
||||
// Child block empty?
|
||||
bool cbe = true; |
||||
for (unsigned i = 0; i < childBlock.size(); i++) { |
||||
if (childBlock[i].length() > 0) { cbe = false; break; } |
||||
} |
||||
// Add child block to AST
|
||||
if (expectingChildBlock) { |
||||
if (cbe) |
||||
err("Expected indented child block!", out.metadata); |
||||
out.type = ASTNODE; |
||||
metadata.ln += 1; |
||||
out.args.push_back(parseLines(childBlock, metadata, childIndent)); |
||||
metadata.ln -= 1; |
||||
} |
||||
else if (!cbe) |
||||
err("Did not expect indented child block!", out.metadata); |
||||
else if (out.args.size() && out.args[out.args.size() - 1].val == ":") { |
||||
Node n = out.args[out.args.size() - 1]; |
||||
out.args.pop_back(); |
||||
out.args.push_back(n.args[0]); |
||||
out.args.push_back(n.args[1]); |
||||
} |
||||
// Bring back if / elif into AST
|
||||
if (bodied(tokens[0].val)) { |
||||
if (out.val != "multi") { |
||||
// token not being used in bodied form
|
||||
} |
||||
else if (out.args[0].val == "id") |
||||
out = astnode(tokens[0].val, out.args[1].args, out.metadata); |
||||
else if (out.args[0].type == TOKEN) { |
||||
std::vector<Node> out2; |
||||
for (unsigned i = 1; i < out.args.size(); i++) |
||||
out2.push_back(out.args[i]); |
||||
out = astnode(tokens[0].val, out2, out.metadata); |
||||
} |
||||
else |
||||
out = astnode("fun", out.args, out.metadata); |
||||
} |
||||
// Multi not supported
|
||||
if (out.val == "multi") |
||||
err("Multiple expressions or unclosed bracket", out.metadata); |
||||
// Convert top-level colon expressions into non-colon expressions;
|
||||
// makes if statements and the like equivalent indented or not
|
||||
//if (out.val == ":" && out.args[0].type == TOKEN)
|
||||
// out = asn(out.args[0].val, out.args[1], out.metadata);
|
||||
//if (bodied(tokens[0].val) && out.args[0].val == ":")
|
||||
// out = asn(tokens[0].val, out.args[0].args);
|
||||
if (o.size() == 0 || o.back().type == TOKEN) { |
||||
o.push_back(out); |
||||
continue; |
||||
} |
||||
// This is a little complicated. Basically, the idea here is to build
|
||||
// constructions like [if [< x 5] [a] [elif [< x 10] [b] [else [c]]]]
|
||||
std::vector<Node> u; |
||||
u.push_back(o.back()); |
||||
if (bodiedContinued(o.back().val, out.val)) { |
||||
while (1) { |
||||
if (!bodiedContinued(u.back().val, out.val)) { |
||||
u.pop_back(); |
||||
break; |
||||
} |
||||
if (!u.back().args.size() |
||||
|| !bodiedContinued(u.back().val, u.back().args.back().val)) { |
||||
break; |
||||
} |
||||
u.push_back(u.back().args.back()); |
||||
} |
||||
u.back().args.push_back(out); |
||||
while (u.size() > 1) { |
||||
Node v = u.back(); |
||||
u.pop_back(); |
||||
u.back().args.pop_back(); |
||||
u.back().args.push_back(v); |
||||
} |
||||
o.pop_back(); |
||||
o.push_back(u[0]); |
||||
} |
||||
else o.push_back(out); |
||||
} |
||||
if (o.size() == 1) |
||||
return o[0]; |
||||
else if (o.size()) |
||||
return astnode("seq", o, o[0].metadata); |
||||
else |
||||
return astnode("seq", o, Metadata()); |
||||
} |
||||
|
||||
// Parses serpent code
|
||||
Node parseSerpent(std::string s) { |
||||
std::string input = s; |
||||
std::string file = "main"; |
||||
if (exists(s)) { |
||||
file = s; |
||||
input = get_file_contents(s); |
||||
} |
||||
return parseLines(splitLines(input), Metadata(file, 0, 0), 0); |
||||
} |
||||
|
||||
|
||||
using namespace std; |
||||
@ -1,13 +0,0 @@ |
||||
#ifndef ETHSERP_PARSER |
||||
#define ETHSERP_PARSER |
||||
|
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include <map> |
||||
#include "util.h" |
||||
|
||||
// Serpent text -> parse tree
|
||||
Node parseSerpent(std::string s); |
||||
|
||||
#endif |
||||
@ -1,299 +0,0 @@ |
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include <map> |
||||
#include "util.h" |
||||
#include "lllparser.h" |
||||
#include "bignum.h" |
||||
#include "rewriteutils.h" |
||||
#include "optimize.h" |
||||
#include "preprocess.h" |
||||
#include "functions.h" |
||||
#include "opcodes.h" |
||||
|
||||
// Convert a function of the form (def (f x y z) (do stuff)) into
|
||||
// (if (first byte of ABI is correct) (seq (setup x y z) (do stuff)))
|
||||
Node convFunction(Node node, int functionCount) { |
||||
std::string prefix = "_temp"+mkUniqueToken()+"_"; |
||||
Metadata m = node.metadata; |
||||
|
||||
if (node.args.size() != 2) |
||||
err("Malformed def!", m); |
||||
// Collect the list of variable names and variable byte counts
|
||||
Node unpack = unpackArguments(node.args[0].args, m); |
||||
// And the actual code
|
||||
Node body = node.args[1]; |
||||
// Main LLL-based function body
|
||||
return astnode("if", |
||||
astnode("eq", |
||||
astnode("get", token("__funid", m), m), |
||||
token(unsignedToDecimal(functionCount), m), |
||||
m), |
||||
astnode("seq", unpack, body, m)); |
||||
} |
||||
|
||||
// Populate an svObj with the arguments needed to determine
|
||||
// the storage position of a node
|
||||
svObj getStorageVars(svObj pre, Node node, std::string prefix, |
||||
int index) { |
||||
Metadata m = node.metadata; |
||||
if (!pre.globalOffset.size()) pre.globalOffset = "0"; |
||||
std::vector<Node> h; |
||||
std::vector<std::string> coefficients; |
||||
// Array accesses or atoms
|
||||
if (node.val == "access" || node.type == TOKEN) { |
||||
std::string tot = "1"; |
||||
h = listfyStorageAccess(node); |
||||
coefficients.push_back("1"); |
||||
for (unsigned i = h.size() - 1; i >= 1; i--) { |
||||
// Array sizes must be constant or at least arithmetically
|
||||
// evaluable at compile time
|
||||
if (!isPureArithmetic(h[i])) |
||||
err("Array size must be fixed value", m); |
||||
// Create a list of the coefficient associated with each
|
||||
// array index
|
||||
coefficients.push_back(decimalMul(coefficients.back(), h[i].val)); |
||||
} |
||||
} |
||||
// Tuples
|
||||
else { |
||||
int startc; |
||||
// Handle the (fun <fun_astnode> args...) case
|
||||
if (node.val == "fun") { |
||||
startc = 1; |
||||
h = listfyStorageAccess(node.args[0]); |
||||
} |
||||
// Handle the (<fun_name> args...) case, which
|
||||
// the serpent parser produces when the function
|
||||
// is a simple name and not a complex astnode
|
||||
else { |
||||
startc = 0; |
||||
h = listfyStorageAccess(token(node.val, m)); |
||||
} |
||||
svObj sub = pre; |
||||
sub.globalOffset = "0"; |
||||
// Evaluate tuple elements recursively
|
||||
for (unsigned i = startc; i < node.args.size(); i++) { |
||||
sub = getStorageVars(sub, |
||||
node.args[i], |
||||
prefix+h[0].val.substr(2)+".", |
||||
i-startc); |
||||
} |
||||
coefficients.push_back(sub.globalOffset); |
||||
for (unsigned i = h.size() - 1; i >= 1; i--) { |
||||
// Array sizes must be constant or at least arithmetically
|
||||
// evaluable at compile time
|
||||
if (!isPureArithmetic(h[i])) |
||||
err("Array size must be fixed value", m); |
||||
// Create a list of the coefficient associated with each
|
||||
// array index
|
||||
coefficients.push_back(decimalMul(coefficients.back(), h[i].val)); |
||||
} |
||||
pre.offsets = sub.offsets; |
||||
pre.coefficients = sub.coefficients; |
||||
pre.nonfinal = sub.nonfinal; |
||||
pre.nonfinal[prefix+h[0].val.substr(2)] = true; |
||||
} |
||||
pre.coefficients[prefix+h[0].val.substr(2)] = coefficients; |
||||
pre.offsets[prefix+h[0].val.substr(2)] = pre.globalOffset; |
||||
pre.indices[prefix+h[0].val.substr(2)] = index; |
||||
if (decimalGt(tt176, coefficients.back())) |
||||
pre.globalOffset = decimalAdd(pre.globalOffset, coefficients.back()); |
||||
return pre; |
||||
} |
||||
|
||||
// Preprocess input containing functions
|
||||
//
|
||||
// localExterns is a map of the form, eg,
|
||||
//
|
||||
// { x: { foo: 0, bar: 1, baz: 2 }, y: { qux: 0, foo: 1 } ... }
|
||||
//
|
||||
// localExternSigs is a map of the form, eg,
|
||||
//
|
||||
// { x : { foo: iii, bar: iis, baz: ia }, y: { qux: i, foo: as } ... }
|
||||
//
|
||||
// Signifying that x.foo = 0, x.baz = 2, y.foo = 1, etc
|
||||
// and that x.foo has three integers as arguments, x.bar has two
|
||||
// integers and a variable-length string, and baz has an integer
|
||||
// and an array
|
||||
//
|
||||
// globalExterns is a one-level map, eg from above
|
||||
//
|
||||
// { foo: 1, bar: 1, baz: 2, qux: 0 }
|
||||
//
|
||||
// globalExternSigs is a one-level map, eg from above
|
||||
//
|
||||
// { foo: as, bar: iis, baz: ia, qux: i}
|
||||
//
|
||||
// Note that globalExterns and globalExternSigs may be ambiguous
|
||||
// Also, a null signature implies an infinite tail of integers
|
||||
preprocessResult preprocessInit(Node inp) { |
||||
Metadata m = inp.metadata; |
||||
if (inp.val != "seq") |
||||
inp = astnode("seq", inp, m); |
||||
std::vector<Node> empty = std::vector<Node>(); |
||||
Node init = astnode("seq", empty, m); |
||||
Node shared = astnode("seq", empty, m); |
||||
std::vector<Node> any; |
||||
std::vector<Node> functions; |
||||
preprocessAux out = preprocessAux(); |
||||
out.localExterns["self"] = std::map<std::string, int>(); |
||||
int functionCount = 0; |
||||
int storageDataCount = 0; |
||||
for (unsigned i = 0; i < inp.args.size(); i++) { |
||||
Node obj = inp.args[i]; |
||||
// Functions
|
||||
if (obj.val == "def") { |
||||
if (obj.args.size() == 0) |
||||
err("Empty def", m); |
||||
std::string funName = obj.args[0].val; |
||||
// Init, shared and any are special functions
|
||||
if (funName == "init" || funName == "shared" || funName == "any") { |
||||
if (obj.args[0].args.size()) |
||||
err(funName+" cannot have arguments", m); |
||||
} |
||||
if (funName == "init") init = obj.args[1]; |
||||
else if (funName == "shared") shared = obj.args[1]; |
||||
else if (funName == "any") any.push_back(obj.args[1]); |
||||
else { |
||||
// Other functions
|
||||
functions.push_back(convFunction(obj, functionCount)); |
||||
out.localExterns["self"][obj.args[0].val] = functionCount; |
||||
out.localExternSigs["self"][obj.args[0].val]
|
||||
= getSignature(obj.args[0].args); |
||||
functionCount++; |
||||
} |
||||
} |
||||
// Extern declarations
|
||||
else if (obj.val == "extern") { |
||||
std::string externName = obj.args[0].val; |
||||
Node al = obj.args[1]; |
||||
if (!out.localExterns.count(externName)) |
||||
out.localExterns[externName] = std::map<std::string, int>(); |
||||
for (unsigned i = 0; i < al.args.size(); i++) { |
||||
if (al.args[i].val == ":") { |
||||
std::string v = al.args[i].args[0].val; |
||||
std::string sig = al.args[i].args[1].val; |
||||
out.globalExterns[v] = i; |
||||
out.globalExternSigs[v] = sig; |
||||
out.localExterns[externName][v] = i; |
||||
out.localExternSigs[externName][v] = sig; |
||||
} |
||||
else { |
||||
std::string v = al.args[i].val; |
||||
out.globalExterns[v] = i; |
||||
out.globalExternSigs[v] = ""; |
||||
out.localExterns[externName][v] = i; |
||||
out.localExternSigs[externName][v] = ""; |
||||
} |
||||
} |
||||
} |
||||
// Custom macros
|
||||
else if (obj.val == "macro") { |
||||
// Rules for valid macros:
|
||||
//
|
||||
// There are only four categories of valid macros:
|
||||
//
|
||||
// 1. a macro where the outer function is something
|
||||
// which is NOT an existing valid function/extern/datum
|
||||
// 2. a macro of the form set(c(x), d) where c must NOT
|
||||
// be an existing valid function/extern/datum
|
||||
// 3. something of the form access(c(x)), where c must NOT
|
||||
// be an existing valid function/extern/datum
|
||||
// 4. something of the form set(access(c(x)), d) where c must
|
||||
// NOT be an existing valid function/extern/datum
|
||||
bool valid = false; |
||||
Node pattern = obj.args[0]; |
||||
Node substitution = obj.args[1]; |
||||
if (opcode(pattern.val) < 0 && !isValidFunctionName(pattern.val)) |
||||
valid = true; |
||||
if (pattern.val == "set" && |
||||
opcode(pattern.args[0].val) < 0 && |
||||
!isValidFunctionName(pattern.args[0].val)) |
||||
valid = true; |
||||
if (pattern.val == "access" && |
||||
opcode(pattern.args[0].val) < 0 && |
||||
!isValidFunctionName(pattern.args[0].val)) |
||||
if (pattern.val == "set" && |
||||
pattern.args[0].val == "access" && |
||||
opcode(pattern.args[0].args[0].val) < 0 && |
||||
!isValidFunctionName(pattern.args[0].args[0].val)) |
||||
valid = true; |
||||
if (valid) { |
||||
out.customMacros.push_back(rewriteRule(pattern, substitution)); |
||||
} |
||||
} |
||||
// Variable types
|
||||
else if (obj.val == "type") { |
||||
std::string typeName = obj.args[0].val; |
||||
std::vector<Node> vars = obj.args[1].args; |
||||
for (unsigned i = 0; i < vars.size(); i++) |
||||
out.types[vars[i].val] = typeName; |
||||
} |
||||
// Storage variables/structures
|
||||
else if (obj.val == "data") { |
||||
out.storageVars = getStorageVars(out.storageVars, |
||||
obj.args[0], |
||||
"", |
||||
storageDataCount); |
||||
storageDataCount += 1; |
||||
} |
||||
else any.push_back(obj); |
||||
} |
||||
std::vector<Node> main; |
||||
if (shared.args.size()) main.push_back(shared); |
||||
if (init.args.size()) main.push_back(init); |
||||
|
||||
std::vector<Node> code; |
||||
if (shared.args.size()) code.push_back(shared); |
||||
for (unsigned i = 0; i < any.size(); i++) |
||||
code.push_back(any[i]); |
||||
for (unsigned i = 0; i < functions.size(); i++) |
||||
code.push_back(functions[i]); |
||||
Node codeNode; |
||||
if (functions.size() > 0) { |
||||
codeNode = astnode("with", |
||||
token("__funid", m), |
||||
astnode("byte", |
||||
token("0", m), |
||||
astnode("calldataload", token("0", m), m), |
||||
m), |
||||
astnode("seq", code, m), |
||||
m); |
||||
} |
||||
else codeNode = astnode("seq", code, m); |
||||
main.push_back(astnode("~return", |
||||
token("0", m), |
||||
astnode("lll", |
||||
codeNode, |
||||
token("0", m), |
||||
m), |
||||
m)); |
||||
|
||||
|
||||
Node result; |
||||
if (main.size() == 1) result = main[0]; |
||||
else result = astnode("seq", main, inp.metadata); |
||||
return preprocessResult(result, out); |
||||
} |
||||
|
||||
preprocessResult processTypes (preprocessResult pr) { |
||||
preprocessAux aux = pr.second; |
||||
Node node = pr.first; |
||||
if (node.type == TOKEN && aux.types.count(node.val)) { |
||||
node = asn(aux.types[node.val], node, node.metadata); |
||||
} |
||||
else if (node.val == "untyped") |
||||
return preprocessResult(node.args[0], aux); |
||||
else { |
||||
for (unsigned i = 0; i < node.args.size(); i++) { |
||||
node.args[i] = |
||||
processTypes(preprocessResult(node.args[i], aux)).first; |
||||
} |
||||
} |
||||
return preprocessResult(node, aux); |
||||
} |
||||
|
||||
preprocessResult preprocess(Node n) { |
||||
return processTypes(preprocessInit(n)); |
||||
} |
||||
@ -1,58 +0,0 @@ |
||||
#ifndef ETHSERP_PREPROCESSOR |
||||
#define ETHSERP_PREPROCESSOR |
||||
|
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include <map> |
||||
#include "util.h" |
||||
|
||||
// Storage variable index storing object
|
||||
struct svObj { |
||||
std::map<std::string, std::string> offsets; |
||||
std::map<std::string, int> indices; |
||||
std::map<std::string, std::vector<std::string> > coefficients; |
||||
std::map<std::string, bool> nonfinal; |
||||
std::string globalOffset; |
||||
}; |
||||
|
||||
class rewriteRule { |
||||
public: |
||||
rewriteRule(Node p, Node s) { |
||||
pattern = p; |
||||
substitution = s; |
||||
} |
||||
Node pattern; |
||||
Node substitution; |
||||
}; |
||||
|
||||
|
||||
// Preprocessing result storing object
|
||||
class preprocessAux { |
||||
public: |
||||
preprocessAux() { |
||||
globalExterns = std::map<std::string, int>(); |
||||
localExterns = std::map<std::string, std::map<std::string, int> >(); |
||||
localExterns["self"] = std::map<std::string, int>(); |
||||
} |
||||
std::map<std::string, int> globalExterns; |
||||
std::map<std::string, std::string> globalExternSigs; |
||||
std::map<std::string, std::map<std::string, int> > localExterns; |
||||
std::map<std::string, std::map<std::string, std::string> > localExternSigs; |
||||
std::vector<rewriteRule> customMacros; |
||||
std::map<std::string, std::string> types; |
||||
svObj storageVars; |
||||
}; |
||||
|
||||
#define preprocessResult std::pair<Node, preprocessAux> |
||||
|
||||
// Populate an svObj with the arguments needed to determine
|
||||
// the storage position of a node
|
||||
svObj getStorageVars(svObj pre, Node node, std::string prefix="", |
||||
int index=0); |
||||
|
||||
// Preprocess a function (see cpp for details)
|
||||
preprocessResult preprocess(Node inp); |
||||
|
||||
|
||||
#endif |
||||
@ -1,173 +0,0 @@ |
||||
#include <Python.h> |
||||
#include "structmember.h" |
||||
|
||||
#include <stdlib.h> |
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include "funcs.h" |
||||
|
||||
#define PYMETHOD(name, FROM, method, TO) \ |
||||
static PyObject * name(PyObject *, PyObject *args) { \
|
||||
try { \
|
||||
FROM(med) \
|
||||
return TO(method(med)); \
|
||||
} \
|
||||
catch (std::string e) { \
|
||||
PyErr_SetString(PyExc_Exception, e.c_str()); \
|
||||
return NULL; \
|
||||
} \
|
||||
} |
||||
|
||||
#define FROMSTR(v) \ |
||||
const char *command; \
|
||||
int len; \
|
||||
if (!PyArg_ParseTuple(args, "s#", &command, &len)) \
|
||||
return NULL; \
|
||||
std::string v = std::string(command, len); \
|
||||
|
||||
#define FROMNODE(v) \ |
||||
PyObject *node; \
|
||||
if (!PyArg_ParseTuple(args, "O", &node)) \
|
||||
return NULL; \
|
||||
Node v = cppifyNode(node); |
||||
|
||||
#define FROMLIST(v) \ |
||||
PyObject *node; \
|
||||
if (!PyArg_ParseTuple(args, "O", &node)) \
|
||||
return NULL; \
|
||||
std::vector<Node> v = cppifyNodeList(node); |
||||
|
||||
// Convert metadata into python wrapper form [file, ln, ch]
|
||||
PyObject* pyifyMetadata(Metadata m) { |
||||
PyObject* a = PyList_New(0); |
||||
PyList_Append(a, Py_BuildValue("s#", m.file.c_str(), m.file.length())); |
||||
PyList_Append(a, Py_BuildValue("i", m.ln)); |
||||
PyList_Append(a, Py_BuildValue("i", m.ch)); |
||||
return a; |
||||
} |
||||
|
||||
// Convert node into python wrapper form
|
||||
// [token=0/astnode=1, val, metadata, args]
|
||||
PyObject* pyifyNode(Node n) { |
||||
PyObject* a = PyList_New(0); |
||||
PyList_Append(a, Py_BuildValue("i", n.type == ASTNODE)); |
||||
PyList_Append(a, Py_BuildValue("s#", n.val.c_str(), n.val.length())); |
||||
PyList_Append(a, pyifyMetadata(n.metadata)); |
||||
for (unsigned i = 0; i < n.args.size(); i++) |
||||
PyList_Append(a, pyifyNode(n.args[i])); |
||||
return a; |
||||
} |
||||
|
||||
// Convert string into python wrapper form
|
||||
PyObject* pyifyString(std::string s) { |
||||
return Py_BuildValue("s#", s.c_str(), s.length()); |
||||
} |
||||
|
||||
// Convert list of nodes into python wrapper form
|
||||
PyObject* pyifyNodeList(std::vector<Node> n) { |
||||
PyObject* a = PyList_New(0); |
||||
for (unsigned i = 0; i < n.size(); i++) |
||||
PyList_Append(a, pyifyNode(n[i])); |
||||
return a; |
||||
} |
||||
|
||||
// Convert pyobject int into normal form
|
||||
int cppifyInt(PyObject* o) { |
||||
int out; |
||||
if (!PyArg_Parse(o, "i", &out)) |
||||
err("Argument should be integer", Metadata()); |
||||
return out; |
||||
} |
||||
|
||||
// Convert pyobject string into normal form
|
||||
std::string cppifyString(PyObject* o) { |
||||
const char *command; |
||||
if (!PyArg_Parse(o, "s", &command)) |
||||
err("Argument should be string", Metadata()); |
||||
return std::string(command); |
||||
} |
||||
|
||||
// Convert metadata from python wrapper form
|
||||
Metadata cppifyMetadata(PyObject* o) { |
||||
std::string file = cppifyString(PyList_GetItem(o, 0)); |
||||
int ln = cppifyInt(PyList_GetItem(o, 1)); |
||||
int ch = cppifyInt(PyList_GetItem(o, 2)); |
||||
return Metadata(file, ln, ch); |
||||
} |
||||
|
||||
// Convert node from python wrapper form
|
||||
Node cppifyNode(PyObject* o) { |
||||
Node n; |
||||
int isAstNode = cppifyInt(PyList_GetItem(o, 0)); |
||||
n.type = isAstNode ? ASTNODE : TOKEN; |
||||
n.val = cppifyString(PyList_GetItem(o, 1)); |
||||
n.metadata = cppifyMetadata(PyList_GetItem(o, 2)); |
||||
std::vector<Node> args; |
||||
for (int i = 3; i < PyList_Size(o); i++) { |
||||
args.push_back(cppifyNode(PyList_GetItem(o, i))); |
||||
} |
||||
n.args = args; |
||||
return n; |
||||
} |
||||
|
||||
//Convert list of nodes into normal form
|
||||
std::vector<Node> cppifyNodeList(PyObject* o) { |
||||
std::vector<Node> out; |
||||
for (int i = 0; i < PyList_Size(o); i++) { |
||||
out.push_back(cppifyNode(PyList_GetItem(o,i))); |
||||
} |
||||
return out; |
||||
} |
||||
|
||||
PYMETHOD(ps_compile, FROMSTR, compile, pyifyString) |
||||
PYMETHOD(ps_compile_chunk, FROMSTR, compileChunk, pyifyString) |
||||
PYMETHOD(ps_compile_to_lll, FROMSTR, compileToLLL, pyifyNode) |
||||
PYMETHOD(ps_compile_chunk_to_lll, FROMSTR, compileChunkToLLL, pyifyNode) |
||||
PYMETHOD(ps_compile_lll, FROMNODE, compileLLL, pyifyString) |
||||
PYMETHOD(ps_parse, FROMSTR, parseSerpent, pyifyNode) |
||||
PYMETHOD(ps_rewrite, FROMNODE, rewrite, pyifyNode) |
||||
PYMETHOD(ps_rewrite_chunk, FROMNODE, rewriteChunk, pyifyNode) |
||||
PYMETHOD(ps_pretty_compile, FROMSTR, prettyCompile, pyifyNodeList) |
||||
PYMETHOD(ps_pretty_compile_chunk, FROMSTR, prettyCompileChunk, pyifyNodeList) |
||||
PYMETHOD(ps_pretty_compile_lll, FROMNODE, prettyCompileLLL, pyifyNodeList) |
||||
PYMETHOD(ps_serialize, FROMLIST, serialize, pyifyString) |
||||
PYMETHOD(ps_deserialize, FROMSTR, deserialize, pyifyNodeList) |
||||
PYMETHOD(ps_parse_lll, FROMSTR, parseLLL, pyifyNode) |
||||
|
||||
|
||||
static PyMethodDef PyextMethods[] = { |
||||
{"compile", ps_compile, METH_VARARGS, |
||||
"Compile code."}, |
||||
{"compile_chunk", ps_compile_chunk, METH_VARARGS, |
||||
"Compile code chunk (no wrappers)."}, |
||||
{"compile_to_lll", ps_compile_to_lll, METH_VARARGS, |
||||
"Compile code to LLL."}, |
||||
{"compile_chunk_to_lll", ps_compile_chunk_to_lll, METH_VARARGS, |
||||
"Compile code chunk to LLL (no wrappers)."}, |
||||
{"compile_lll", ps_compile_lll, METH_VARARGS, |
||||
"Compile LLL to EVM."}, |
||||
{"parse", ps_parse, METH_VARARGS, |
||||
"Parse serpent"}, |
||||
{"rewrite", ps_rewrite, METH_VARARGS, |
||||
"Rewrite parsed serpent to LLL"}, |
||||
{"rewrite_chunk", ps_rewrite_chunk, METH_VARARGS, |
||||
"Rewrite parsed serpent to LLL (no wrappers)"}, |
||||
{"pretty_compile", ps_pretty_compile, METH_VARARGS, |
||||
"Compile to EVM opcodes"}, |
||||
{"pretty_compile_chunk", ps_pretty_compile_chunk, METH_VARARGS, |
||||
"Compile chunk to EVM opcodes (no wrappers)"}, |
||||
{"pretty_compile_lll", ps_pretty_compile_lll, METH_VARARGS, |
||||
"Compile LLL to EVM opcodes"}, |
||||
{"serialize", ps_serialize, METH_VARARGS, |
||||
"Convert EVM opcodes to bin"}, |
||||
{"deserialize", ps_deserialize, METH_VARARGS, |
||||
"Convert EVM bin to opcodes"}, |
||||
{"parse_lll", ps_parse_lll, METH_VARARGS, |
||||
"Parse LLL"}, |
||||
{NULL, NULL, 0, NULL} /* Sentinel */ |
||||
}; |
||||
|
||||
PyMODINIT_FUNC initserpent_pyext(void) |
||||
{ |
||||
Py_InitModule( "serpent_pyext", PyextMethods ); |
||||
} |
||||
@ -1 +0,0 @@ |
||||
from serpent import * |
||||
@ -1,804 +0,0 @@ |
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include <map> |
||||
#include "util.h" |
||||
#include "lllparser.h" |
||||
#include "bignum.h" |
||||
#include "optimize.h" |
||||
#include "rewriteutils.h" |
||||
#include "preprocess.h" |
||||
#include "functions.h" |
||||
#include "opcodes.h" |
||||
|
||||
// Rewrite rules
|
||||
std::string macros[][2] = { |
||||
{ |
||||
"(seq $x)", |
||||
"$x" |
||||
}, |
||||
{ |
||||
"(seq (seq) $x)", |
||||
"$x" |
||||
}, |
||||
{ |
||||
"(+= $a $b)", |
||||
"(set $a (+ $a $b))" |
||||
}, |
||||
{ |
||||
"(*= $a $b)", |
||||
"(set $a (* $a $b))" |
||||
}, |
||||
{ |
||||
"(-= $a $b)", |
||||
"(set $a (- $a $b))" |
||||
}, |
||||
{ |
||||
"(/= $a $b)", |
||||
"(set $a (/ $a $b))" |
||||
}, |
||||
{ |
||||
"(%= $a $b)", |
||||
"(set $a (% $a $b))" |
||||
}, |
||||
{ |
||||
"(^= $a $b)", |
||||
"(set $a (^ $a $b))" |
||||
}, |
||||
{ |
||||
"(!= $a $b)", |
||||
"(iszero (eq $a $b))" |
||||
}, |
||||
{ |
||||
"(assert $x)", |
||||
"(unless $x (stop))" |
||||
}, |
||||
{ |
||||
"(min $a $b)", |
||||
"(with $1 $a (with $2 $b (if (lt $1 $2) $1 $2)))" |
||||
}, |
||||
{ |
||||
"(max $a $b)", |
||||
"(with $1 $a (with $2 $b (if (lt $1 $2) $2 $1)))" |
||||
}, |
||||
{ |
||||
"(smin $a $b)", |
||||
"(with $1 $a (with $2 $b (if (slt $1 $2) $1 $2)))" |
||||
}, |
||||
{ |
||||
"(smax $a $b)", |
||||
"(with $1 $a (with $2 $b (if (slt $1 $2) $2 $1)))" |
||||
}, |
||||
{ |
||||
"(if $cond $do (else $else))", |
||||
"(if $cond $do $else)" |
||||
}, |
||||
{ |
||||
"(code $code)", |
||||
"$code" |
||||
}, |
||||
{ |
||||
"(slice $arr $pos)", |
||||
"(add $arr (mul 32 $pos))", |
||||
}, |
||||
{ |
||||
"(array $len)", |
||||
"(alloc (mul 32 $len))" |
||||
}, |
||||
{ |
||||
"(while $cond $do)", |
||||
"(until (iszero $cond) $do)", |
||||
}, |
||||
{ |
||||
"(while (iszero $cond) $do)", |
||||
"(until $cond $do)", |
||||
}, |
||||
{ |
||||
"(if $cond $do)", |
||||
"(unless (iszero $cond) $do)", |
||||
}, |
||||
{ |
||||
"(if (iszero $cond) $do)", |
||||
"(unless $cond $do)", |
||||
}, |
||||
{ |
||||
"(access (. self storage) $ind)", |
||||
"(sload $ind)" |
||||
}, |
||||
{ |
||||
"(access $var $ind)", |
||||
"(mload (add $var (mul 32 $ind)))" |
||||
}, |
||||
{ |
||||
"(set (access (. self storage) $ind) $val)", |
||||
"(sstore $ind $val)" |
||||
}, |
||||
{ |
||||
"(set (access $var $ind) $val)", |
||||
"(mstore (add $var (mul 32 $ind)) $val)" |
||||
}, |
||||
{ |
||||
"(getch $var $ind)", |
||||
"(mod (mload (sub (add $var $ind) 31)) 256)" |
||||
}, |
||||
{ |
||||
"(setch $var $ind $val)", |
||||
"(mstore8 (add $var $ind) $val)", |
||||
}, |
||||
{ |
||||
"(send $to $value)", |
||||
"(~call (sub (gas) 25) $to $value 0 0 0 0)" |
||||
}, |
||||
{ |
||||
"(send $gas $to $value)", |
||||
"(~call $gas $to $value 0 0 0 0)" |
||||
}, |
||||
{ |
||||
"(sha3 $x)", |
||||
"(seq (set $1 $x) (~sha3 (ref $1) 32))" |
||||
}, |
||||
{ |
||||
"(sha3 $mstart (= chars $msize))", |
||||
"(~sha3 $mstart $msize)" |
||||
}, |
||||
{ |
||||
"(sha3 $mstart $msize)", |
||||
"(~sha3 $mstart (mul 32 $msize))" |
||||
}, |
||||
{ |
||||
"(id $0)", |
||||
"$0" |
||||
}, |
||||
{ |
||||
"(return $x)", |
||||
"(seq (set $1 $x) (~return (ref $1) 32))" |
||||
}, |
||||
{ |
||||
"(return $mstart (= chars $msize))", |
||||
"(~return $mstart $msize)" |
||||
}, |
||||
{ |
||||
"(return $start $len)", |
||||
"(~return $start (mul 32 $len))" |
||||
}, |
||||
{ |
||||
"(&& $x $y)", |
||||
"(if $x $y 0)" |
||||
}, |
||||
{ |
||||
"(|| $x $y)", |
||||
"(with $1 $x (if $1 $1 $y))" |
||||
}, |
||||
{ |
||||
"(>= $x $y)", |
||||
"(iszero (slt $x $y))" |
||||
}, |
||||
{ |
||||
"(<= $x $y)", |
||||
"(iszero (sgt $x $y))" |
||||
}, |
||||
{ |
||||
"(create $code)", |
||||
"(create 0 $code)" |
||||
}, |
||||
{ |
||||
"(create $endowment $code)", |
||||
"(with $1 (msize) (create $endowment (get $1) (lll (outer $code) (msize))))" |
||||
}, |
||||
{ |
||||
"(sha256 $x)", |
||||
"(with $1 (alloc 64) (seq (mstore (add (get $1) 32) $x) (pop (~call 101 2 0 (add (get $1) 32) 32 (get $1) 32)) (mload (get $1))))" |
||||
}, |
||||
{ |
||||
"(sha256 $arr (= chars $sz))", |
||||
"(with $1 (alloc 32) (seq (pop (~call 101 2 0 $arr $sz (get $1) 32)) (mload (get $1))))" |
||||
}, |
||||
{ |
||||
"(sha256 $arr $sz)", |
||||
"(with $1 (alloc 32) (seq (pop (~call 101 2 0 $arr (mul 32 $sz) (get $1) 32)) (mload (get $1))))" |
||||
}, |
||||
{ |
||||
"(ripemd160 $x)", |
||||
"(with $1 (alloc 64) (seq (mstore (add (get $1) 32) $x) (pop (~call 101 3 0 (add (get $1) 32) 32 (get $1) 32)) (mload (get $1))))" |
||||
}, |
||||
{ |
||||
"(ripemd160 $arr (= chars $sz))", |
||||
"(with $1 (alloc 32) (seq (pop (~call 101 3 0 $arr $sz (mload $1) 32)) (mload (get $1))))" |
||||
}, |
||||
{ |
||||
"(ripemd160 $arr $sz)", |
||||
"(with $1 (alloc 32) (seq (pop (~call 101 3 0 $arr (mul 32 $sz) (get $1) 32)) (mload (get $1))))" |
||||
}, |
||||
{ |
||||
"(ecrecover $h $v $r $s)", |
||||
"(with $1 (alloc 160) (seq (mstore (get $1) $h) (mstore (add (get $1) 32) $v) (mstore (add (get $1) 64) $r) (mstore (add (get $1) 96) $s) (pop (~call 101 1 0 (get $1) 128 (add (get $1 128)) 32)) (mload (add (get $1) 128))))" |
||||
}, |
||||
{ |
||||
"(inset $x)", |
||||
"$x" |
||||
}, |
||||
{ |
||||
"(create $x)", |
||||
"(with $1 (msize) (create $val (get $1) (lll $code (get $1))))" |
||||
}, |
||||
{ |
||||
"(with (= $var $val) $cond)", |
||||
"(with $var $val $cond)" |
||||
}, |
||||
{ |
||||
"(log $t1)", |
||||
"(~log1 0 0 $t1)" |
||||
}, |
||||
{ |
||||
"(log $t1 $t2)", |
||||
"(~log2 0 0 $t1 $t2)" |
||||
}, |
||||
{ |
||||
"(log $t1 $t2 $t3)", |
||||
"(~log3 0 0 $t1 $t2 $t3)" |
||||
}, |
||||
{ |
||||
"(log $t1 $t2 $t3 $t4)", |
||||
"(~log4 0 0 $t1 $t2 $t3 $t4)" |
||||
}, |
||||
{ |
||||
"(logarr $a $sz)", |
||||
"(~log0 $a (mul 32 $sz))" |
||||
}, |
||||
{ |
||||
"(logarr $a $sz $t1)", |
||||
"(~log1 $a (mul 32 $sz) $t1)" |
||||
}, |
||||
{ |
||||
"(logarr $a $sz $t1 $t2)", |
||||
"(~log2 $a (mul 32 $sz) $t1 $t2)" |
||||
}, |
||||
{ |
||||
"(logarr $a $sz $t1 $t2 $t3)", |
||||
"(~log3 $a (mul 32 $sz) $t1 $t2 $t3)" |
||||
}, |
||||
{ |
||||
"(logarr $a $sz $t1 $t2 $t3 $t4)", |
||||
"(~log4 $a (mul 32 $sz) $t1 $t2 $t3 $t4)" |
||||
}, |
||||
{ |
||||
"(save $loc $array (= chars $count))", |
||||
"(with $location (ref $loc) (with $c $count (with $end (div $c 32) (with $i 0 (seq (while (slt $i $end) (seq (sstore (add $i $location) (access $array $i)) (set $i (add $i 1)))) (sstore (add $i $location) (~and (access $array $i) (sub 0 (exp 256 (sub 32 (mod $c 32)))))))))))" |
||||
}, |
||||
{ |
||||
"(save $loc $array $count)", |
||||
"(with $location (ref $loc) (with $end $count (with $i 0 (while (slt $i $end) (seq (sstore (add $i $location) (access $array $i)) (set $i (add $i 1)))))))" |
||||
}, |
||||
{ |
||||
"(load $loc (= chars $count))", |
||||
"(with $location (ref $loc) (with $c $count (with $a (alloc $c) (with $i 0 (seq (while (slt $i (div $c 32)) (seq (set (access $a $i) (sload (add $location $i))) (set $i (add $i 1)))) (set (access $a $i) (~and (sload (add $location $i)) (sub 0 (exp 256 (sub 32 (mod $c 32)))))) $a)))))" |
||||
}, |
||||
{ |
||||
"(load $loc $count)", |
||||
"(with $location (ref $loc) (with $c $count (with $a (alloc $c) (with $i 0 (seq (while (slt $i $c) (seq (set (access $a $i) (sload (add $location $i))) (set $i (add $i 1)))) $a)))))" |
||||
}, |
||||
{ |
||||
"(unsafe_mcopy $to $from $sz)", |
||||
"(with _sz $sz (with _from $from (with _to $to (seq (comment STARTING UNSAFE MCOPY) (with _i 0 (while (lt _i _sz) (seq (mstore (add $to _i) (mload (add _from _i))) (set _i (add _i 32)))))))))" |
||||
}, |
||||
{ |
||||
"(mcopy $to $from $_sz)", |
||||
"(with _to $to (with _from $from (with _sz $sz (seq (comment STARTING MCOPY (with _i 0 (seq (while (lt (add _i 31) _sz) (seq (mstore (add _to _i) (mload (add _from _i))) (set _i (add _i 32)))) (with _mask (exp 256 (sub 32 (mod _sz 32))) (mstore (add $to _i) (add (mod (mload (add $to _i)) _mask) (and (mload (add $from _i)) (sub 0 _mask))))))))))))" |
||||
}, |
||||
{ "(. msg sender)", "(caller)" }, |
||||
{ "(. msg value)", "(callvalue)" }, |
||||
{ "(. tx gasprice)", "(gasprice)" }, |
||||
{ "(. tx origin)", "(origin)" }, |
||||
{ "(. tx gas)", "(gas)" }, |
||||
{ "(. $x balance)", "(balance $x)" }, |
||||
{ "self", "(address)" }, |
||||
{ "(. block prevhash)", "(prevhash)" }, |
||||
{ "(. block coinbase)", "(coinbase)" }, |
||||
{ "(. block timestamp)", "(timestamp)" }, |
||||
{ "(. block number)", "(number)" }, |
||||
{ "(. block difficulty)", "(difficulty)" }, |
||||
{ "(. block gaslimit)", "(gaslimit)" }, |
||||
{ "stop", "(stop)" }, |
||||
{ "---END---", "" } //Keep this line at the end of the list
|
||||
}; |
||||
|
||||
std::vector<rewriteRule> nodeMacros; |
||||
|
||||
// Token synonyms
|
||||
std::string synonyms[][2] = { |
||||
{ "or", "||" }, |
||||
{ "and", "&&" }, |
||||
{ "|", "~or" }, |
||||
{ "&", "~and" }, |
||||
{ "elif", "if" }, |
||||
{ "!", "iszero" }, |
||||
{ "~", "~not" }, |
||||
{ "not", "iszero" }, |
||||
{ "string", "alloc" }, |
||||
{ "+", "add" }, |
||||
{ "-", "sub" }, |
||||
{ "*", "mul" }, |
||||
{ "/", "sdiv" }, |
||||
{ "^", "exp" }, |
||||
{ "**", "exp" }, |
||||
{ "%", "smod" }, |
||||
{ "<", "slt" }, |
||||
{ ">", "sgt" }, |
||||
{ "=", "set" }, |
||||
{ "==", "eq" }, |
||||
{ ":", "kv" }, |
||||
{ "---END---", "" } //Keep this line at the end of the list
|
||||
}; |
||||
|
||||
// Custom setters (need to be registered separately
|
||||
// for use with managed storage)
|
||||
std::string setters[][2] = { |
||||
{ "+=", "+" }, |
||||
{ "-=", "-" }, |
||||
{ "*=", "*" }, |
||||
{ "/=", "/" }, |
||||
{ "%=", "%" }, |
||||
{ "^=", "^" }, |
||||
{ "---END---", "" } //Keep this line at the end of the list
|
||||
}; |
||||
|
||||
// Processes mutable array literals
|
||||
Node array_lit_transform(Node node) { |
||||
std::string prefix = "_temp"+mkUniqueToken() + "_"; |
||||
Metadata m = node.metadata; |
||||
std::map<std::string, Node> d; |
||||
std::string o = "(seq (set $arr (alloc "+utd(node.args.size()*32)+"))"; |
||||
for (unsigned i = 0; i < node.args.size(); i++) { |
||||
o += " (mstore (add (get $arr) "+utd(i * 32)+") $"+utd(i)+")"; |
||||
d[utd(i)] = node.args[i]; |
||||
} |
||||
o += " (get $arr))"; |
||||
return subst(parseLLL(o), d, prefix, m); |
||||
} |
||||
|
||||
|
||||
Node apply_rules(preprocessResult pr); |
||||
|
||||
// Transform "<variable>.<fun>(args...)" into
|
||||
// a call
|
||||
Node dotTransform(Node node, preprocessAux aux) { |
||||
Metadata m = node.metadata; |
||||
// We're gonna make lots of temporary variables,
|
||||
// so set up a unique flag for them
|
||||
std::string prefix = "_temp"+mkUniqueToken()+"_"; |
||||
// Check that the function name is a token
|
||||
if (node.args[0].args[1].type == ASTNODE) |
||||
err("Function name must be static", m); |
||||
|
||||
Node dotOwner = node.args[0].args[0]; |
||||
std::string dotMember = node.args[0].args[1].val; |
||||
// kwargs = map of special arguments
|
||||
std::map<std::string, Node> kwargs; |
||||
kwargs["value"] = token("0", m); |
||||
kwargs["gas"] = subst(parseLLL("(- (gas) 25)"), msn(), prefix, m); |
||||
// Search for as=? and call=code keywords, and isolate the actual
|
||||
// function arguments
|
||||
std::vector<Node> fnargs; |
||||
std::string as = ""; |
||||
std::string op = "call"; |
||||
for (unsigned i = 1; i < node.args.size(); i++) { |
||||
fnargs.push_back(node.args[i]); |
||||
Node arg = fnargs.back(); |
||||
if (arg.val == "=" || arg.val == "set") { |
||||
if (arg.args[0].val == "as") |
||||
as = arg.args[1].val; |
||||
if (arg.args[0].val == "call" && arg.args[1].val == "code") |
||||
op = "callcode"; |
||||
if (arg.args[0].val == "gas") |
||||
kwargs["gas"] = arg.args[1]; |
||||
if (arg.args[0].val == "value") |
||||
kwargs["value"] = arg.args[1]; |
||||
if (arg.args[0].val == "outsz") |
||||
kwargs["outsz"] = arg.args[1]; |
||||
} |
||||
} |
||||
if (dotOwner.val == "self") { |
||||
if (as.size()) err("Cannot use \"as\" when calling self!", m); |
||||
as = dotOwner.val; |
||||
} |
||||
// Determine the funId and sig assuming the "as" keyword was used
|
||||
int funId = 0; |
||||
std::string sig; |
||||
if (as.size() > 0 && aux.localExterns.count(as)) { |
||||
if (!aux.localExterns[as].count(dotMember)) |
||||
err("Invalid call: "+printSimple(dotOwner)+"."+dotMember, m); |
||||
funId = aux.localExterns[as][dotMember]; |
||||
sig = aux.localExternSigs[as][dotMember]; |
||||
} |
||||
// Determine the funId and sig otherwise
|
||||
else if (!as.size()) { |
||||
if (!aux.globalExterns.count(dotMember)) |
||||
err("Invalid call: "+printSimple(dotOwner)+"."+dotMember, m); |
||||
std::string key = unsignedToDecimal(aux.globalExterns[dotMember]); |
||||
funId = aux.globalExterns[dotMember]; |
||||
sig = aux.globalExternSigs[dotMember]; |
||||
} |
||||
else err("Invalid call: "+printSimple(dotOwner)+"."+dotMember, m); |
||||
// Pack arguments
|
||||
kwargs["data"] = packArguments(fnargs, sig, funId, m); |
||||
kwargs["to"] = dotOwner; |
||||
Node main; |
||||
// Pack output
|
||||
if (!kwargs.count("outsz")) { |
||||
main = parseLLL( |
||||
"(with _data $data (seq " |
||||
"(pop (~"+op+" $gas $to $value (access _data 0) (access _data 1) (ref $dataout) 32))" |
||||
"(get $dataout)))"); |
||||
} |
||||
else { |
||||
main = parseLLL( |
||||
"(with _data $data (with _outsz (mul 32 $outsz) (with _out (alloc _outsz) (seq " |
||||
"(pop (~"+op+" $gas $to $value (access _data 0) (access _data 1) _out _outsz))" |
||||
"(get _out)))))"); |
||||
} |
||||
// Set up main call
|
||||
|
||||
Node o = subst(main, kwargs, prefix, m); |
||||
return o; |
||||
} |
||||
|
||||
// Transform an access of the form self.bob, self.users[5], etc into
|
||||
// a storage access
|
||||
//
|
||||
// There exist two types of objects: finite objects, and infinite
|
||||
// objects. Finite objects are packed optimally tightly into storage
|
||||
// accesses; for example:
|
||||
//
|
||||
// data obj[100](a, b[2][4], c)
|
||||
//
|
||||
// obj[0].a -> 0
|
||||
// obj[0].b[0][0] -> 1
|
||||
// obj[0].b[1][3] -> 8
|
||||
// obj[45].c -> 459
|
||||
//
|
||||
// Infinite objects are accessed by sha3([v1, v2, v3 ... ]), where
|
||||
// the values are a list of array indices and keyword indices, for
|
||||
// example:
|
||||
// data obj[](a, b[2][4], c)
|
||||
// data obj2[](a, b[][], c)
|
||||
//
|
||||
// obj[0].a -> sha3([0, 0, 0])
|
||||
// obj[5].b[1][3] -> sha3([0, 5, 1, 1, 3])
|
||||
// obj[45].c -> sha3([0, 45, 2])
|
||||
// obj2[0].a -> sha3([1, 0, 0])
|
||||
// obj2[5].b[1][3] -> sha3([1, 5, 1, 1, 3])
|
||||
// obj2[45].c -> sha3([1, 45, 2])
|
||||
Node storageTransform(Node node, preprocessAux aux, |
||||
bool mapstyle=false, bool ref=false) { |
||||
Metadata m = node.metadata; |
||||
// Get a list of all of the "access parameters" used in order
|
||||
// eg. self.users[5].cow[4][m[2]][woof] ->
|
||||
// [--self, --users, 5, --cow, 4, m[2], woof]
|
||||
std::vector<Node> hlist = listfyStorageAccess(node); |
||||
// For infinite arrays, the terms array will just provide a list
|
||||
// of indices. For finite arrays, it's a list of index*coefficient
|
||||
std::vector<Node> terms; |
||||
std::string offset = "0"; |
||||
std::string prefix = ""; |
||||
std::string varPrefix = "_temp"+mkUniqueToken()+"_"; |
||||
int c = 0; |
||||
std::vector<std::string> coefficients; |
||||
coefficients.push_back(""); |
||||
for (unsigned i = 1; i < hlist.size(); i++) { |
||||
// We pre-add the -- flag to parameter-like terms. For example,
|
||||
// self.users[m] -> [--self, --users, m]
|
||||
// self.users.m -> [--self, --users, --m]
|
||||
if (hlist[i].val.substr(0, 2) == "--") { |
||||
prefix += hlist[i].val.substr(2) + "."; |
||||
std::string tempPrefix = prefix.substr(0, prefix.size()-1); |
||||
if (!aux.storageVars.offsets.count(tempPrefix)) |
||||
return node; |
||||
if (c < (signed)coefficients.size() - 1) |
||||
err("Too few array index lookups", m); |
||||
if (c > (signed)coefficients.size() - 1) |
||||
err("Too many array index lookups", m); |
||||
coefficients = aux.storageVars.coefficients[tempPrefix]; |
||||
// If the size of an object exceeds 2^176, we make it an infinite
|
||||
// array
|
||||
if (decimalGt(coefficients.back(), tt176) && !mapstyle) |
||||
return storageTransform(node, aux, true, ref); |
||||
offset = decimalAdd(offset, aux.storageVars.offsets[tempPrefix]); |
||||
c = 0; |
||||
if (mapstyle) |
||||
terms.push_back(token(unsignedToDecimal( |
||||
aux.storageVars.indices[tempPrefix]))); |
||||
} |
||||
else if (mapstyle) { |
||||
terms.push_back(hlist[i]); |
||||
c += 1; |
||||
} |
||||
else { |
||||
if (c > (signed)coefficients.size() - 2) |
||||
err("Too many array index lookups", m); |
||||
terms.push_back( |
||||
astnode("mul",
|
||||
hlist[i], |
||||
token(coefficients[coefficients.size() - 2 - c], m), |
||||
m)); |
||||
|
||||
c += 1; |
||||
} |
||||
} |
||||
if (aux.storageVars.nonfinal.count(prefix.substr(0, prefix.size()-1))) |
||||
err("Storage variable access not deep enough", m); |
||||
if (c < (signed)coefficients.size() - 1) { |
||||
err("Too few array index lookups", m); |
||||
} |
||||
if (c > (signed)coefficients.size() - 1) { |
||||
err("Too many array index lookups", m); |
||||
} |
||||
Node o; |
||||
if (mapstyle) { |
||||
std::string t = "_temp_"+mkUniqueToken(); |
||||
std::vector<Node> sub; |
||||
for (unsigned i = 0; i < terms.size(); i++) |
||||
sub.push_back(asn("mstore", |
||||
asn("add", |
||||
tkn(utd(i * 32), m), |
||||
asn("get", tkn(t+"pos", m), m), |
||||
m), |
||||
terms[i], |
||||
m)); |
||||
sub.push_back(tkn(t+"pos", m)); |
||||
Node main = asn("with", |
||||
tkn(t+"pos", m), |
||||
asn("alloc", tkn(utd(terms.size() * 32), m), m), |
||||
asn("seq", sub, m), |
||||
m); |
||||
Node sz = token(utd(terms.size() * 32), m); |
||||
o = astnode("~sha3", |
||||
main, |
||||
sz, |
||||
m); |
||||
} |
||||
else { |
||||
// We add up all the index*coefficients
|
||||
Node out = token(offset, node.metadata); |
||||
for (unsigned i = 0; i < terms.size(); i++) { |
||||
std::vector<Node> temp; |
||||
temp.push_back(out); |
||||
temp.push_back(terms[i]); |
||||
out = astnode("add", temp, node.metadata); |
||||
} |
||||
o = out; |
||||
} |
||||
if (ref) return o; |
||||
else return astnode("sload", o, node.metadata); |
||||
} |
||||
|
||||
|
||||
// Recursively applies rewrite rules
|
||||
std::pair<Node, bool> apply_rules_iter(preprocessResult pr) { |
||||
bool changed = false; |
||||
Node node = pr.first; |
||||
// If the rewrite rules have not yet been parsed, parse them
|
||||
if (!nodeMacros.size()) { |
||||
for (int i = 0; i < 9999; i++) { |
||||
std::vector<Node> o; |
||||
if (macros[i][0] == "---END---") break; |
||||
nodeMacros.push_back(rewriteRule( |
||||
parseLLL(macros[i][0]), |
||||
parseLLL(macros[i][1]) |
||||
)); |
||||
} |
||||
} |
||||
// Assignment transformations
|
||||
for (int i = 0; i < 9999; i++) { |
||||
if (setters[i][0] == "---END---") break; |
||||
if (node.val == setters[i][0]) { |
||||
node = astnode("=", |
||||
node.args[0], |
||||
astnode(setters[i][1], |
||||
node.args[0], |
||||
node.args[1], |
||||
node.metadata), |
||||
node.metadata); |
||||
} |
||||
} |
||||
// Do nothing to macros
|
||||
if (node.val == "macro") { |
||||
return std::pair<Node, bool>(node, changed); |
||||
} |
||||
// Ignore comments
|
||||
if (node.val == "comment") { |
||||
return std::pair<Node, bool>(node, changed); |
||||
} |
||||
// Special storage transformation
|
||||
if (isNodeStorageVariable(node)) { |
||||
node = storageTransform(node, pr.second); |
||||
changed = true; |
||||
} |
||||
if (node.val == "ref" && isNodeStorageVariable(node.args[0])) { |
||||
node = storageTransform(node.args[0], pr.second, false, true); |
||||
changed = true; |
||||
} |
||||
if (node.val == "=" && isNodeStorageVariable(node.args[0])) { |
||||
Node t = storageTransform(node.args[0], pr.second); |
||||
if (t.val == "sload") { |
||||
std::vector<Node> o; |
||||
o.push_back(t.args[0]); |
||||
o.push_back(node.args[1]); |
||||
node = astnode("sstore", o, node.metadata); |
||||
} |
||||
changed = true; |
||||
} |
||||
// Main code
|
||||
unsigned pos = 0; |
||||
std::string prefix = "_temp"+mkUniqueToken()+"_"; |
||||
while(1) { |
||||
if (synonyms[pos][0] == "---END---") { |
||||
break; |
||||
} |
||||
else if (node.type == ASTNODE && node.val == synonyms[pos][0]) { |
||||
node.val = synonyms[pos][1]; |
||||
changed = true; |
||||
} |
||||
pos++; |
||||
} |
||||
for (pos = 0; pos < nodeMacros.size() + pr.second.customMacros.size(); pos++) { |
||||
rewriteRule macro = pos < nodeMacros.size()
|
||||
? nodeMacros[pos]
|
||||
: pr.second.customMacros[pos - nodeMacros.size()]; |
||||
matchResult mr = match(macro.pattern, node); |
||||
if (mr.success) { |
||||
node = subst(macro.substitution, mr.map, prefix, node.metadata); |
||||
std::pair<Node, bool> o = |
||||
apply_rules_iter(preprocessResult(node, pr.second)); |
||||
o.second = true; |
||||
return o; |
||||
} |
||||
} |
||||
// Special transformations
|
||||
if (node.val == "outer") { |
||||
node = apply_rules(preprocess(node.args[0])); |
||||
changed = true; |
||||
} |
||||
if (node.val == "array_lit") { |
||||
node = array_lit_transform(node); |
||||
changed = true; |
||||
} |
||||
if (node.val == "fun" && node.args[0].val == ".") { |
||||
node = dotTransform(node, pr.second); |
||||
changed = true; |
||||
} |
||||
if (node.type == ASTNODE) { |
||||
unsigned i = 0; |
||||
if (node.val == "set" || node.val == "ref"
|
||||
|| node.val == "get" || node.val == "with") { |
||||
if (node.args[0].val.size() > 0 && node.args[0].val[0] != '\''
|
||||
&& node.args[0].type == TOKEN && node.args[0].val[0] != '$') { |
||||
node.args[0].val = "'" + node.args[0].val; |
||||
changed = true; |
||||
} |
||||
i = 1; |
||||
} |
||||
else if (node.val == "arglen") { |
||||
node.val = "get"; |
||||
node.args[0].val = "'_len_" + node.args[0].val; |
||||
i = 1; |
||||
changed = true; |
||||
} |
||||
for (; i < node.args.size(); i++) { |
||||
std::pair<Node, bool> r = |
||||
apply_rules_iter(preprocessResult(node.args[i], pr.second)); |
||||
node.args[i] = r.first; |
||||
changed = changed || r.second; |
||||
} |
||||
} |
||||
else if (node.type == TOKEN && !isNumberLike(node)) { |
||||
if (node.val.size() >= 2 |
||||
&& node.val[0] == '"' |
||||
&& node.val[node.val.size() - 1] == '"') { |
||||
std::string bin = node.val.substr(1, node.val.size() - 2); |
||||
unsigned sz = bin.size(); |
||||
std::vector<Node> o; |
||||
for (unsigned i = 0; i < sz; i += 32) { |
||||
std::string t = binToNumeric(bin.substr(i, 32)); |
||||
if ((sz - i) < 32 && (sz - i) > 0) { |
||||
while ((sz - i) < 32) { |
||||
t = decimalMul(t, "256"); |
||||
i--; |
||||
} |
||||
i = sz; |
||||
} |
||||
o.push_back(token(t, node.metadata)); |
||||
} |
||||
node = astnode("array_lit", o, node.metadata); |
||||
std::pair<Node, bool> r =
|
||||
apply_rules_iter(preprocessResult(node, pr.second)); |
||||
node = r.first; |
||||
changed = true; |
||||
} |
||||
else if (node.val.size() && node.val[0] != '\'' && node.val[0] != '$') { |
||||
node.val = "'" + node.val; |
||||
std::vector<Node> args; |
||||
args.push_back(node); |
||||
std::string v = node.val.substr(1); |
||||
node = astnode("get", args, node.metadata); |
||||
changed = true; |
||||
} |
||||
} |
||||
return std::pair<Node, bool>(node, changed); |
||||
} |
||||
|
||||
Node apply_rules(preprocessResult pr) { |
||||
for (unsigned i = 0; i < pr.second.customMacros.size(); i++) { |
||||
pr.second.customMacros[i].pattern = |
||||
apply_rules(preprocessResult(pr.second.customMacros[i].pattern, preprocessAux())); |
||||
} |
||||
while (1) { |
||||
//std::cerr << printAST(pr.first) <<
|
||||
// " " << pr.second.customMacros.size() << "\n";
|
||||
std::pair<Node, bool> r = apply_rules_iter(pr); |
||||
if (!r.second) { |
||||
return r.first; |
||||
} |
||||
pr.first = r.first; |
||||
} |
||||
} |
||||
|
||||
Node validate(Node inp) { |
||||
Metadata m = inp.metadata; |
||||
if (inp.type == ASTNODE) { |
||||
int i = 0; |
||||
while(validFunctions[i][0] != "---END---") { |
||||
if (inp.val == validFunctions[i][0]) { |
||||
std::string sz = unsignedToDecimal(inp.args.size()); |
||||
if (decimalGt(validFunctions[i][1], sz)) { |
||||
err("Too few arguments for "+inp.val, inp.metadata);
|
||||
} |
||||
if (decimalGt(sz, validFunctions[i][2])) { |
||||
err("Too many arguments for "+inp.val, inp.metadata);
|
||||
} |
||||
} |
||||
i++; |
||||
} |
||||
} |
||||
for (unsigned i = 0; i < inp.args.size(); i++) validate(inp.args[i]); |
||||
return inp; |
||||
} |
||||
|
||||
Node postValidate(Node inp) { |
||||
// This allows people to use ~x as a way of having functions with the same
|
||||
// name and arity as macros; the idea is that ~x is a "final" form, and
|
||||
// should not be remacroed, but it is converted back at the end
|
||||
if (inp.val.size() > 0 && inp.val[0] == '~') { |
||||
inp.val = inp.val.substr(1); |
||||
} |
||||
if (inp.type == ASTNODE) { |
||||
if (inp.val == ".") |
||||
err("Invalid object member (ie. a foo.bar not mapped to anything)", |
||||
inp.metadata); |
||||
else if (opcode(inp.val) >= 0) { |
||||
if ((signed)inp.args.size() < opinputs(inp.val)) |
||||
err("Too few arguments for "+inp.val, inp.metadata); |
||||
if ((signed)inp.args.size() > opinputs(inp.val)) |
||||
err("Too many arguments for "+inp.val, inp.metadata); |
||||
} |
||||
else if (isValidLLLFunc(inp.val, inp.args.size())) { |
||||
// do nothing
|
||||
} |
||||
else err ("Invalid argument count or LLL function: "+inp.val, inp.metadata); |
||||
for (unsigned i = 0; i < inp.args.size(); i++) { |
||||
inp.args[i] = postValidate(inp.args[i]); |
||||
} |
||||
} |
||||
return inp; |
||||
} |
||||
|
||||
Node rewrite(Node inp) { |
||||
return postValidate(optimize(apply_rules(preprocess(inp)))); |
||||
} |
||||
|
||||
Node rewriteChunk(Node inp) { |
||||
return postValidate(optimize(apply_rules( |
||||
preprocessResult( |
||||
validate(inp), preprocessAux())))); |
||||
} |
||||
|
||||
using namespace std; |
||||
@ -1,16 +0,0 @@ |
||||
#ifndef ETHSERP_REWRITER |
||||
#define ETHSERP_REWRITER |
||||
|
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include <map> |
||||
#include "util.h" |
||||
|
||||
// Applies rewrite rules
|
||||
Node rewrite(Node inp); |
||||
|
||||
// Applies rewrite rules adding without wrapper
|
||||
Node rewriteChunk(Node inp); |
||||
|
||||
#endif |
||||
211
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/rewriteutils.cpp
generated
vendored
211
Godeps/_workspace/src/github.com/ethereum/serpent-go/serpent/rewriteutils.cpp
generated
vendored
@ -1,211 +0,0 @@ |
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include <map> |
||||
#include "util.h" |
||||
#include "lllparser.h" |
||||
#include "bignum.h" |
||||
#include "rewriteutils.h" |
||||
#include "optimize.h" |
||||
|
||||
// Valid functions and their min and max argument counts
|
||||
std::string validFunctions[][3] = { |
||||
{ "if", "2", "3" }, |
||||
{ "unless", "2", "2" }, |
||||
{ "while", "2", "2" }, |
||||
{ "until", "2", "2" }, |
||||
{ "alloc", "1", "1" }, |
||||
{ "array", "1", "1" }, |
||||
{ "call", "2", tt256 }, |
||||
{ "callcode", "2", tt256 }, |
||||
{ "create", "1", "4" }, |
||||
{ "getch", "2", "2" }, |
||||
{ "setch", "3", "3" }, |
||||
{ "sha3", "1", "2" }, |
||||
{ "return", "1", "2" }, |
||||
{ "inset", "1", "1" }, |
||||
{ "min", "2", "2" }, |
||||
{ "max", "2", "2" }, |
||||
{ "array_lit", "0", tt256 }, |
||||
{ "seq", "0", tt256 }, |
||||
{ "log", "1", "6" }, |
||||
{ "outer", "1", "1" }, |
||||
{ "set", "2", "2" }, |
||||
{ "get", "1", "1" }, |
||||
{ "ref", "1", "1" }, |
||||
{ "declare", "1", tt256 }, |
||||
{ "with", "3", "3" }, |
||||
{ "outer", "1", "1" }, |
||||
{ "mcopy", "3", "3" }, |
||||
{ "unsafe_mcopy", "3", "3" }, |
||||
{ "save", "3", "3" }, |
||||
{ "load", "2", "2" }, |
||||
{ "---END---", "", "" } //Keep this line at the end of the list
|
||||
}; |
||||
|
||||
std::map<std::string, bool> vfMap; |
||||
|
||||
// Is a function name one of the valid functions above?
|
||||
bool isValidFunctionName(std::string f) { |
||||
if (vfMap.size() == 0) { |
||||
for (int i = 0; ; i++) { |
||||
if (validFunctions[i][0] == "---END---") break; |
||||
vfMap[validFunctions[i][0]] = true; |
||||
} |
||||
} |
||||
return vfMap.count(f); |
||||
} |
||||
|
||||
// Cool function for debug purposes (named cerrStringList to make
|
||||
// all prints searchable via 'cerr')
|
||||
void cerrStringList(std::vector<std::string> s, std::string suffix) { |
||||
for (unsigned i = 0; i < s.size(); i++) std::cerr << s[i] << " "; |
||||
std::cerr << suffix << "\n"; |
||||
} |
||||
|
||||
// Convert:
|
||||
// self.cow -> ["cow"]
|
||||
// self.horse[0] -> ["horse", "0"]
|
||||
// self.a[6][7][self.storage[3]].chicken[9] ->
|
||||
// ["6", "7", (sload 3), "chicken", "9"]
|
||||
std::vector<Node> listfyStorageAccess(Node node) { |
||||
std::vector<Node> out; |
||||
std::vector<Node> nodez; |
||||
nodez.push_back(node); |
||||
while (1) { |
||||
if (nodez.back().type == TOKEN) { |
||||
out.push_back(token("--" + nodez.back().val, node.metadata)); |
||||
std::vector<Node> outrev; |
||||
for (int i = (signed)out.size() - 1; i >= 0; i--) { |
||||
outrev.push_back(out[i]); |
||||
} |
||||
return outrev; |
||||
} |
||||
if (nodez.back().val == ".") |
||||
nodez.back().args[1].val = "--" + nodez.back().args[1].val; |
||||
if (nodez.back().args.size() == 0) |
||||
err("Error parsing storage variable statement", node.metadata); |
||||
if (nodez.back().args.size() == 1) |
||||
out.push_back(token(tt256m1, node.metadata)); |
||||
else |
||||
out.push_back(nodez.back().args[1]); |
||||
nodez.push_back(nodez.back().args[0]); |
||||
} |
||||
} |
||||
|
||||
// Is the given node something of the form
|
||||
// self.cow
|
||||
// self.horse[0]
|
||||
// self.a[6][7][self.storage[3]].chicken[9]
|
||||
bool isNodeStorageVariable(Node node) { |
||||
std::vector<Node> nodez; |
||||
nodez.push_back(node); |
||||
while (1) { |
||||
if (nodez.back().type == TOKEN) return false; |
||||
if (nodez.back().args.size() == 0) return false; |
||||
if (nodez.back().val != "." && nodez.back().val != "access") |
||||
return false; |
||||
if (nodez.back().args[0].val == "self") return true; |
||||
nodez.push_back(nodez.back().args[0]); |
||||
} |
||||
} |
||||
|
||||
// Main pattern matching routine, for those patterns that can be expressed
|
||||
// using our standard mini-language above
|
||||
//
|
||||
// Returns two values. First, a boolean to determine whether the node matches
|
||||
// the pattern, second, if the node does match then a map mapping variables
|
||||
// in the pattern to nodes
|
||||
matchResult match(Node p, Node n) { |
||||
matchResult o; |
||||
o.success = false; |
||||
if (p.type == TOKEN) { |
||||
if (p.val == n.val && n.type == TOKEN) o.success = true; |
||||
else if (p.val[0] == '$' || p.val[0] == '@') { |
||||
o.success = true; |
||||
o.map[p.val.substr(1)] = n; |
||||
} |
||||
} |
||||
else if (n.type==TOKEN || p.val!=n.val || p.args.size()!=n.args.size()) { |
||||
// do nothing
|
||||
} |
||||
else { |
||||
for (unsigned i = 0; i < p.args.size(); i++) { |
||||
matchResult oPrime = match(p.args[i], n.args[i]); |
||||
if (!oPrime.success) { |
||||
o.success = false; |
||||
return o; |
||||
} |
||||
for (std::map<std::string, Node>::iterator it = oPrime.map.begin(); |
||||
it != oPrime.map.end(); |
||||
it++) { |
||||
o.map[(*it).first] = (*it).second; |
||||
} |
||||
} |
||||
o.success = true; |
||||
} |
||||
return o; |
||||
} |
||||
|
||||
|
||||
// Fills in the pattern with a dictionary mapping variable names to
|
||||
// nodes (these dicts are generated by match). Match and subst together
|
||||
// create a full pattern-matching engine.
|
||||
Node subst(Node pattern, |
||||
std::map<std::string, Node> dict, |
||||
std::string varflag, |
||||
Metadata m) { |
||||
// Swap out patterns at the token level
|
||||
if (pattern.metadata.ln == -1) |
||||
pattern.metadata = m; |
||||
if (pattern.type == TOKEN &&
|
||||
pattern.val[0] == '$') { |
||||
if (dict.count(pattern.val.substr(1))) { |
||||
return dict[pattern.val.substr(1)]; |
||||
} |
||||
else { |
||||
return token(varflag + pattern.val.substr(1), m); |
||||
} |
||||
} |
||||
// Other tokens are untouched
|
||||
else if (pattern.type == TOKEN) { |
||||
return pattern; |
||||
} |
||||
// Substitute recursively for ASTs
|
||||
else { |
||||
std::vector<Node> args; |
||||
for (unsigned i = 0; i < pattern.args.size(); i++) { |
||||
args.push_back(subst(pattern.args[i], dict, varflag, m)); |
||||
} |
||||
return asn(pattern.val, args, m); |
||||
} |
||||
} |
||||
|
||||
// Transforms a sequence containing two-argument with statements
|
||||
// into a statement containing those statements in nested form
|
||||
Node withTransform (Node source) { |
||||
Node o = token("--"); |
||||
Metadata m = source.metadata; |
||||
std::vector<Node> args; |
||||
for (int i = source.args.size() - 1; i >= 0; i--) { |
||||
Node a = source.args[i]; |
||||
if (a.val == "with" && a.args.size() == 2) { |
||||
std::vector<Node> flipargs; |
||||
for (int j = args.size() - 1; j >= 0; j--) |
||||
flipargs.push_back(args[i]); |
||||
if (o.val != "--") |
||||
flipargs.push_back(o); |
||||
o = asn("with", a.args[0], a.args[1], asn("seq", flipargs, m), m); |
||||
args = std::vector<Node>(); |
||||
} |
||||
else { |
||||
args.push_back(a); |
||||
} |
||||
} |
||||
std::vector<Node> flipargs; |
||||
for (int j = args.size() - 1; j >= 0; j--) |
||||
flipargs.push_back(args[j]); |
||||
if (o.val != "--") |
||||
flipargs.push_back(o); |
||||
return asn("seq", flipargs, m); |
||||
} |
||||
@ -1,51 +0,0 @@ |
||||
#ifndef ETHSERP_REWRITEUTILS |
||||
#define ETHSERP_REWRITEUTILS |
||||
|
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include <map> |
||||
#include "util.h" |
||||
|
||||
// Valid functions and their min and max argument counts
|
||||
extern std::string validFunctions[][3]; |
||||
|
||||
extern std::map<std::string, bool> vfMap; |
||||
|
||||
bool isValidFunctionName(std::string f); |
||||
|
||||
// Converts deep array access into ordered list of the arguments
|
||||
// along the descent
|
||||
std::vector<Node> listfyStorageAccess(Node node); |
||||
|
||||
// Cool function for debug purposes (named cerrStringList to make
|
||||
// all prints searchable via 'cerr')
|
||||
void cerrStringList(std::vector<std::string> s, std::string suffix=""); |
||||
|
||||
// Is the given node something of the form
|
||||
// self.cow
|
||||
// self.horse[0]
|
||||
// self.a[6][7][self.storage[3]].chicken[9]
|
||||
bool isNodeStorageVariable(Node node); |
||||
|
||||
// Applies rewrite rules adding without wrapper
|
||||
Node rewriteChunk(Node inp); |
||||
|
||||
// Match result storing object
|
||||
struct matchResult { |
||||
bool success; |
||||
std::map<std::string, Node> map; |
||||
}; |
||||
|
||||
// Match node to pattern
|
||||
matchResult match(Node p, Node n); |
||||
|
||||
// Substitute node using pattern
|
||||
Node subst(Node pattern, |
||||
std::map<std::string, Node> dict, |
||||
std::string varflag, |
||||
Metadata m); |
||||
|
||||
Node withTransform(Node source); |
||||
|
||||
#endif |
||||
@ -1,201 +0,0 @@ |
||||
import serpent_pyext as pyext |
||||
import sys |
||||
import re |
||||
|
||||
VERSION = '1.7.7' |
||||
|
||||
|
||||
class Metadata(object): |
||||
def __init__(self, li): |
||||
self.file = li[0] |
||||
self.ln = li[1] |
||||
self.ch = li[2] |
||||
|
||||
def out(self): |
||||
return [self.file, self.ln, self.ch] |
||||
|
||||
|
||||
class Token(object): |
||||
def __init__(self, val, metadata): |
||||
self.val = val |
||||
self.metadata = Metadata(metadata) |
||||
|
||||
def out(self): |
||||
return [0, self.val, self.metadata.out()] |
||||
|
||||
def __repr__(self): |
||||
return str(self.val) |
||||
|
||||
|
||||
class Astnode(object): |
||||
def __init__(self, val, args, metadata): |
||||
self.val = val |
||||
self.args = map(node, args) |
||||
self.metadata = Metadata(metadata) |
||||
|
||||
def out(self): |
||||
o = [1, self.val, self.metadata.out()]+[x.out() for x in self.args] |
||||
return o |
||||
|
||||
def __repr__(self): |
||||
o = '(' + self.val |
||||
subs = map(repr, self.args) |
||||
k = 0 |
||||
out = " " |
||||
while k < len(subs) and o != "(seq": |
||||
if '\n' in subs[k] or len(out + subs[k]) >= 80: |
||||
break |
||||
out += subs[k] + " " |
||||
k += 1 |
||||
if k < len(subs): |
||||
o += out + "\n " |
||||
o += '\n '.join('\n'.join(subs[k:]).split('\n')) |
||||
o += '\n)' |
||||
else: |
||||
o += out[:-1] + ')' |
||||
return o |
||||
|
||||
|
||||
def node(li): |
||||
if li[0]: |
||||
return Astnode(li[1], li[3:], li[2]) |
||||
else: |
||||
return Token(li[1], li[2]) |
||||
|
||||
|
||||
def take(x): |
||||
return pyext.parse_lll(x) if isinstance(x, (str, unicode)) else x.out() |
||||
|
||||
|
||||
def takelist(x): |
||||
return map(take, parse(x).args if isinstance(x, (str, unicode)) else x) |
||||
|
||||
|
||||
compile = lambda x: pyext.compile(x) |
||||
compile_chunk = lambda x: pyext.compile_chunk(x) |
||||
compile_to_lll = lambda x: node(pyext.compile_to_lll(x)) |
||||
compile_chunk_to_lll = lambda x: node(pyext.compile_chunk_to_lll(x)) |
||||
compile_lll = lambda x: pyext.compile_lll(take(x)) |
||||
parse = lambda x: node(pyext.parse(x)) |
||||
rewrite = lambda x: node(pyext.rewrite(take(x))) |
||||
rewrite_chunk = lambda x: node(pyext.rewrite_chunk(take(x))) |
||||
pretty_compile = lambda x: map(node, pyext.pretty_compile(x)) |
||||
pretty_compile_chunk = lambda x: map(node, pyext.pretty_compile_chunk(x)) |
||||
pretty_compile_lll = lambda x: map(node, pyext.pretty_compile_lll(take(x))) |
||||
serialize = lambda x: pyext.serialize(takelist(x)) |
||||
deserialize = lambda x: map(node, pyext.deserialize(x)) |
||||
|
||||
is_numeric = lambda x: isinstance(x, (int, long)) |
||||
is_string = lambda x: isinstance(x, (str, unicode)) |
||||
tobytearr = lambda n, L: [] if L == 0 else tobytearr(n / 256, L - 1)+[n % 256] |
||||
|
||||
|
||||
# A set of methods for detecting raw values (numbers and strings) and |
||||
# converting them to integers |
||||
def frombytes(b): |
||||
return 0 if len(b) == 0 else ord(b[-1]) + 256 * frombytes(b[:-1]) |
||||
|
||||
|
||||
def fromhex(b): |
||||
hexord = lambda x: '0123456789abcdef'.find(x) |
||||
return 0 if len(b) == 0 else hexord(b[-1]) + 16 * fromhex(b[:-1]) |
||||
|
||||
|
||||
def numberize(b): |
||||
if is_numeric(b): |
||||
return b |
||||
elif b[0] in ["'", '"']: |
||||
return frombytes(b[1:-1]) |
||||
elif b[:2] == '0x': |
||||
return fromhex(b[2:]) |
||||
elif re.match('^[0-9]*$', b): |
||||
return int(b) |
||||
elif len(b) == 40: |
||||
return fromhex(b) |
||||
else: |
||||
raise Exception("Cannot identify data type: %r" % b) |
||||
|
||||
|
||||
def enc(n): |
||||
if is_numeric(n): |
||||
return ''.join(map(chr, tobytearr(n, 32))) |
||||
elif is_string(n) and len(n) == 40: |
||||
return '\x00' * 12 + n.decode('hex') |
||||
elif is_string(n): |
||||
return '\x00' * (32 - len(n)) + n |
||||
elif n is True: |
||||
return 1 |
||||
elif n is False or n is None: |
||||
return 0 |
||||
|
||||
|
||||
def encode_datalist(*args): |
||||
if isinstance(args, (tuple, list)): |
||||
return ''.join(map(enc, args)) |
||||
elif not len(args) or args[0] == '': |
||||
return '' |
||||
else: |
||||
# Assume you're getting in numbers or addresses or 0x... |
||||
return ''.join(map(enc, map(numberize, args))) |
||||
|
||||
|
||||
def decode_datalist(arr): |
||||
if isinstance(arr, list): |
||||
arr = ''.join(map(chr, arr)) |
||||
o = [] |
||||
for i in range(0, len(arr), 32): |
||||
o.append(frombytes(arr[i:i + 32])) |
||||
return o |
||||
|
||||
|
||||
def encode_abi(funid, *args): |
||||
len_args = '' |
||||
normal_args = '' |
||||
var_args = '' |
||||
for arg in args: |
||||
if isinstance(arg, str) and len(arg) and \ |
||||
arg[0] == '"' and arg[-1] == '"': |
||||
len_args += enc(numberize(len(arg[1:-1]))) |
||||
var_args += arg[1:-1] |
||||
elif isinstance(arg, list): |
||||
for a in arg: |
||||
var_args += enc(numberize(a)) |
||||
len_args += enc(numberize(len(arg))) |
||||
else: |
||||
normal_args += enc(numberize(arg)) |
||||
return chr(int(funid)) + len_args + normal_args + var_args |
||||
|
||||
|
||||
def decode_abi(arr, *lens): |
||||
o = [] |
||||
pos = 1 |
||||
i = 0 |
||||
if len(lens) == 1 and isinstance(lens[0], list): |
||||
lens = lens[0] |
||||
while pos < len(arr): |
||||
bytez = int(lens[i]) if i < len(lens) else 32 |
||||
o.append(frombytes(arr[pos: pos + bytez])) |
||||
i, pos = i + 1, pos + bytez |
||||
return o |
||||
|
||||
|
||||
def main(): |
||||
if len(sys.argv) == 1: |
||||
print "serpent <command> <arg1> <arg2> ..." |
||||
else: |
||||
cmd = sys.argv[2] if sys.argv[1] == '-s' else sys.argv[1] |
||||
if sys.argv[1] == '-s': |
||||
args = [sys.stdin.read()] + sys.argv[3:] |
||||
elif sys.argv[1] == '-v': |
||||
print VERSION |
||||
sys.exit() |
||||
else: |
||||
cmd = sys.argv[1] |
||||
args = sys.argv[2:] |
||||
if cmd in ['deserialize', 'decode_datalist', 'decode_abi']: |
||||
args[0] = args[0].strip().decode('hex') |
||||
o = globals()[cmd](*args) |
||||
if isinstance(o, (Token, Astnode, list)): |
||||
print repr(o) |
||||
else: |
||||
print o.encode('hex') |
||||
@ -1,46 +0,0 @@ |
||||
from setuptools import setup, Extension |
||||
|
||||
import os |
||||
from distutils.sysconfig import get_config_vars |
||||
|
||||
(opt,) = get_config_vars('OPT') |
||||
os.environ['OPT'] = " ".join( |
||||
flag for flag in opt.split() if flag != '-Wstrict-prototypes' |
||||
) |
||||
|
||||
setup( |
||||
# Name of this package |
||||
name="ethereum-serpent", |
||||
|
||||
# Package version |
||||
version='1.7.7', |
||||
|
||||
description='Serpent compiler', |
||||
maintainer='Vitalik Buterin', |
||||
maintainer_email='v@buterin.com', |
||||
license='WTFPL', |
||||
url='http://www.ethereum.org/', |
||||
|
||||
# Describes how to build the actual extension module from C source files. |
||||
ext_modules=[ |
||||
Extension( |
||||
'serpent_pyext', # Python name of the module |
||||
['bignum.cpp', 'util.cpp', 'tokenize.cpp', |
||||
'lllparser.cpp', 'parser.cpp', 'functions.cpp', |
||||
'optimize.cpp', 'opcodes.cpp', |
||||
'rewriteutils.cpp', 'preprocess.cpp', 'rewriter.cpp', |
||||
'compiler.cpp', 'funcs.cpp', 'pyserpent.cpp'] |
||||
)], |
||||
py_modules=[ |
||||
'serpent', |
||||
'pyserpent' |
||||
], |
||||
scripts=[ |
||||
'serpent.py' |
||||
], |
||||
entry_points={ |
||||
'console_scripts': [ |
||||
'serpent = serpent:main', |
||||
], |
||||
} |
||||
), |
||||
@ -1,115 +0,0 @@ |
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include <map> |
||||
#include "util.h" |
||||
|
||||
// These appear as independent tokens even if inside a stream of symbols
|
||||
const std::string atoms[] = { "#", "//", "(", ")", "[", "]", "{", "}" }; |
||||
const int numAtoms = 8; |
||||
|
||||
// Is the char alphanumeric, a space, a bracket, a quote, a symbol?
|
||||
int chartype(char c) { |
||||
if (c >= '0' && c <= '9') return ALPHANUM; |
||||
else if (c >= 'a' && c <= 'z') return ALPHANUM; |
||||
else if (c >= 'A' && c <= 'Z') return ALPHANUM; |
||||
else if (std::string("~_$@").find(c) != std::string::npos) return ALPHANUM; |
||||
else if (c == '\t' || c == ' ' || c == '\n' || c == '\r') return SPACE; |
||||
else if (std::string("()[]{}").find(c) != std::string::npos) return BRACK; |
||||
else if (c == '"') return DQUOTE; |
||||
else if (c == '\'') return SQUOTE; |
||||
else return SYMB; |
||||
} |
||||
|
||||
// "y = f(45,124)/3" -> [ "y", "f", "(", "45", ",", "124", ")", "/", "3"]
|
||||
std::vector<Node> tokenize(std::string inp, Metadata metadata, bool lispMode) { |
||||
int curtype = SPACE; |
||||
unsigned pos = 0; |
||||
int lastNewline = 0; |
||||
metadata.ch = 0; |
||||
std::string cur; |
||||
std::vector<Node> out; |
||||
|
||||
inp += " "; |
||||
while (pos < inp.length()) { |
||||
int headtype = chartype(inp[pos]); |
||||
if (lispMode) { |
||||
if (inp[pos] == '\'') headtype = ALPHANUM; |
||||
} |
||||
// Are we inside a quote?
|
||||
if (curtype == SQUOTE || curtype == DQUOTE) { |
||||
// Close quote
|
||||
if (headtype == curtype) { |
||||
cur += inp[pos]; |
||||
out.push_back(token(cur, metadata)); |
||||
cur = ""; |
||||
metadata.ch = pos - lastNewline; |
||||
curtype = SPACE; |
||||
pos += 1; |
||||
} |
||||
// eg. \xc3
|
||||
else if (inp.length() >= pos + 4 && inp.substr(pos, 2) == "\\x") { |
||||
cur += (std::string("0123456789abcdef").find(inp[pos+2]) * 16 |
||||
+ std::string("0123456789abcdef").find(inp[pos+3])); |
||||
pos += 4; |
||||
} |
||||
// Newline
|
||||
else if (inp.substr(pos, 2) == "\\n") { |
||||
cur += '\n'; |
||||
pos += 2; |
||||
} |
||||
// Backslash escape
|
||||
else if (inp.length() >= pos + 2 && inp[pos] == '\\') { |
||||
cur += inp[pos + 1]; |
||||
pos += 2; |
||||
} |
||||
// Normal character
|
||||
else { |
||||
cur += inp[pos]; |
||||
pos += 1; |
||||
} |
||||
} |
||||
else { |
||||
// Handle atoms ( '//', '#', brackets )
|
||||
for (int i = 0; i < numAtoms; i++) { |
||||
int split = cur.length() - atoms[i].length(); |
||||
if (split >= 0 && cur.substr(split) == atoms[i]) { |
||||
if (split > 0) { |
||||
out.push_back(token(cur.substr(0, split), metadata)); |
||||
} |
||||
metadata.ch += split; |
||||
out.push_back(token(cur.substr(split), metadata)); |
||||
metadata.ch = pos - lastNewline; |
||||
cur = ""; |
||||
curtype = SPACE; |
||||
} |
||||
} |
||||
// Special case the minus sign
|
||||
if (cur.length() > 1 && (cur.substr(cur.length() - 1) == "-" |
||||
|| cur.substr(cur.length() - 1) == "!")) { |
||||
out.push_back(token(cur.substr(0, cur.length() - 1), metadata)); |
||||
out.push_back(token(cur.substr(cur.length() - 1), metadata)); |
||||
cur = ""; |
||||
} |
||||
// Boundary between different char types
|
||||
if (headtype != curtype) { |
||||
if (curtype != SPACE && cur != "") { |
||||
out.push_back(token(cur, metadata)); |
||||
} |
||||
metadata.ch = pos - lastNewline; |
||||
cur = ""; |
||||
} |
||||
cur += inp[pos]; |
||||
curtype = headtype; |
||||
pos += 1; |
||||
} |
||||
if (inp[pos] == '\n') { |
||||
lastNewline = pos; |
||||
metadata.ch = 0; |
||||
metadata.ln += 1; |
||||
} |
||||
} |
||||
return out; |
||||
} |
||||
|
||||
|
||||
@ -1,16 +0,0 @@ |
||||
#ifndef ETHSERP_TOKENIZE |
||||
#define ETHSERP_TOKENIZE |
||||
|
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include <map> |
||||
#include "util.h" |
||||
|
||||
int chartype(char c); |
||||
|
||||
std::vector<Node> tokenize(std::string inp, |
||||
Metadata meta=Metadata(), |
||||
bool lispMode=false); |
||||
|
||||
#endif |
||||
@ -1,305 +0,0 @@ |
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include <map> |
||||
#include "util.h" |
||||
#include "bignum.h" |
||||
#include <fstream> |
||||
#include <cerrno> |
||||
|
||||
//Token or value node constructor
|
||||
Node token(std::string val, Metadata met) { |
||||
Node o; |
||||
o.type = 0; |
||||
o.val = val; |
||||
o.metadata = met; |
||||
return o; |
||||
} |
||||
|
||||
//AST node constructor
|
||||
Node astnode(std::string val, std::vector<Node> args, Metadata met) { |
||||
Node o; |
||||
o.type = 1; |
||||
o.val = val; |
||||
o.args = args; |
||||
o.metadata = met; |
||||
return o; |
||||
} |
||||
|
||||
//AST node constructors for a specific number of children
|
||||
Node astnode(std::string val, Metadata met) { |
||||
std::vector<Node> args; |
||||
return astnode(val, args, met); |
||||
} |
||||
|
||||
Node astnode(std::string val, Node a, Metadata met) { |
||||
std::vector<Node> args; |
||||
args.push_back(a); |
||||
return astnode(val, args, met); |
||||
} |
||||
|
||||
Node astnode(std::string val, Node a, Node b, Metadata met) { |
||||
std::vector<Node> args; |
||||
args.push_back(a); |
||||
args.push_back(b); |
||||
return astnode(val, args, met); |
||||
} |
||||
|
||||
Node astnode(std::string val, Node a, Node b, Node c, Metadata met) { |
||||
std::vector<Node> args; |
||||
args.push_back(a); |
||||
args.push_back(b); |
||||
args.push_back(c); |
||||
return astnode(val, args, met); |
||||
} |
||||
|
||||
Node astnode(std::string val, Node a, Node b, Node c, Node d, Metadata met) { |
||||
std::vector<Node> args; |
||||
args.push_back(a); |
||||
args.push_back(b); |
||||
args.push_back(c); |
||||
args.push_back(d); |
||||
return astnode(val, args, met); |
||||
} |
||||
|
||||
|
||||
// Print token list
|
||||
std::string printTokens(std::vector<Node> tokens) { |
||||
std::string s = ""; |
||||
for (unsigned i = 0; i < tokens.size(); i++) { |
||||
s += tokens[i].val + " "; |
||||
} |
||||
return s; |
||||
} |
||||
|
||||
// Prints a lisp AST on one line
|
||||
std::string printSimple(Node ast) { |
||||
if (ast.type == TOKEN) return ast.val; |
||||
std::string o = "(" + ast.val; |
||||
std::vector<std::string> subs; |
||||
for (unsigned i = 0; i < ast.args.size(); i++) { |
||||
o += " " + printSimple(ast.args[i]); |
||||
} |
||||
return o + ")"; |
||||
} |
||||
|
||||
// Number of tokens in a tree
|
||||
int treeSize(Node prog) { |
||||
if (prog.type == TOKEN) return 1; |
||||
int o = 0; |
||||
for (unsigned i = 0; i < prog.args.size(); i++) o += treeSize(prog.args[i]); |
||||
return o; |
||||
} |
||||
|
||||
// Pretty-prints a lisp AST
|
||||
std::string printAST(Node ast, bool printMetadata) { |
||||
if (ast.type == TOKEN) return ast.val; |
||||
std::string o = "("; |
||||
if (printMetadata) { |
||||
o += ast.metadata.file + " "; |
||||
o += unsignedToDecimal(ast.metadata.ln) + " "; |
||||
o += unsignedToDecimal(ast.metadata.ch) + ": "; |
||||
} |
||||
o += ast.val; |
||||
std::vector<std::string> subs; |
||||
for (unsigned i = 0; i < ast.args.size(); i++) { |
||||
subs.push_back(printAST(ast.args[i], printMetadata)); |
||||
} |
||||
unsigned k = 0; |
||||
std::string out = " "; |
||||
// As many arguments as possible go on the same line as the function,
|
||||
// except when seq is used
|
||||
while (k < subs.size() && o != "(seq") { |
||||
if (subs[k].find("\n") != std::string::npos || (out + subs[k]).length() >= 80) break; |
||||
out += subs[k] + " "; |
||||
k += 1; |
||||
} |
||||
// All remaining arguments go on their own lines
|
||||
if (k < subs.size()) { |
||||
o += out + "\n"; |
||||
std::vector<std::string> subsSliceK; |
||||
for (unsigned i = k; i < subs.size(); i++) subsSliceK.push_back(subs[i]); |
||||
o += indentLines(joinLines(subsSliceK)); |
||||
o += "\n)"; |
||||
} |
||||
else { |
||||
o += out.substr(0, out.size() - 1) + ")"; |
||||
} |
||||
return o; |
||||
} |
||||
|
||||
// Splits text by line
|
||||
std::vector<std::string> splitLines(std::string s) { |
||||
unsigned pos = 0; |
||||
int lastNewline = 0; |
||||
std::vector<std::string> o; |
||||
while (pos < s.length()) { |
||||
if (s[pos] == '\n') { |
||||
o.push_back(s.substr(lastNewline, pos - lastNewline)); |
||||
lastNewline = pos + 1; |
||||
} |
||||
pos = pos + 1; |
||||
} |
||||
o.push_back(s.substr(lastNewline)); |
||||
return o; |
||||
} |
||||
|
||||
// Inverse of splitLines
|
||||
std::string joinLines(std::vector<std::string> lines) { |
||||
std::string o = "\n"; |
||||
for (unsigned i = 0; i < lines.size(); i++) { |
||||
o += lines[i] + "\n"; |
||||
} |
||||
return o.substr(1, o.length() - 2); |
||||
} |
||||
|
||||
// Indent all lines by 4 spaces
|
||||
std::string indentLines(std::string inp) { |
||||
std::vector<std::string> lines = splitLines(inp); |
||||
for (unsigned i = 0; i < lines.size(); i++) lines[i] = " "+lines[i]; |
||||
return joinLines(lines); |
||||
} |
||||
|
||||
// Binary to hexadecimal
|
||||
std::string binToNumeric(std::string inp) { |
||||
std::string o = "0"; |
||||
for (unsigned i = 0; i < inp.length(); i++) { |
||||
o = decimalAdd(decimalMul(o,"256"), unsignedToDecimal((unsigned char)inp[i])); |
||||
} |
||||
return o; |
||||
} |
||||
|
||||
// Converts string to simple numeric format
|
||||
std::string strToNumeric(std::string inp) { |
||||
std::string o = "0"; |
||||
if (inp == "") { |
||||
o = ""; |
||||
} |
||||
else if (inp.substr(0,2) == "0x") { |
||||
for (unsigned i = 2; i < inp.length(); i++) { |
||||
int dig = std::string("0123456789abcdef0123456789ABCDEF").find(inp[i]) % 16; |
||||
if (dig < 0) return ""; |
||||
o = decimalAdd(decimalMul(o,"16"), unsignedToDecimal(dig)); |
||||
} |
||||
} |
||||
else { |
||||
bool isPureNum = true; |
||||
for (unsigned i = 0; i < inp.length(); i++) { |
||||
isPureNum = isPureNum && inp[i] >= '0' && inp[i] <= '9'; |
||||
} |
||||
o = isPureNum ? inp : ""; |
||||
} |
||||
return o; |
||||
} |
||||
|
||||
// Does the node contain a number (eg. 124, 0xf012c, "george")
|
||||
bool isNumberLike(Node node) { |
||||
if (node.type == ASTNODE) return false; |
||||
return strToNumeric(node.val) != ""; |
||||
} |
||||
|
||||
//Normalizes number representations
|
||||
Node nodeToNumeric(Node node) { |
||||
std::string o = strToNumeric(node.val); |
||||
return token(o == "" ? node.val : o, node.metadata); |
||||
} |
||||
|
||||
Node tryNumberize(Node node) { |
||||
if (node.type == TOKEN && isNumberLike(node)) return nodeToNumeric(node); |
||||
return node; |
||||
} |
||||
|
||||
//Converts a value to an array of byte number nodes
|
||||
std::vector<Node> toByteArr(std::string val, Metadata metadata, int minLen) { |
||||
std::vector<Node> o; |
||||
int L = 0; |
||||
while (val != "0" || L < minLen) { |
||||
o.push_back(token(decimalMod(val, "256"), metadata)); |
||||
val = decimalDiv(val, "256"); |
||||
L++; |
||||
} |
||||
std::vector<Node> o2; |
||||
for (int i = o.size() - 1; i >= 0; i--) o2.push_back(o[i]); |
||||
return o2; |
||||
} |
||||
|
||||
int counter = 0; |
||||
|
||||
//Makes a unique token
|
||||
std::string mkUniqueToken() { |
||||
counter++; |
||||
return unsignedToDecimal(counter); |
||||
} |
||||
|
||||
//Does a file exist? http://stackoverflow.com/questions/12774207
|
||||
bool exists(std::string fileName) { |
||||
std::ifstream infile(fileName.c_str()); |
||||
return infile.good(); |
||||
} |
||||
|
||||
//Reads a file: http://stackoverflow.com/questions/2602013
|
||||
std::string get_file_contents(std::string filename) |
||||
{ |
||||
std::ifstream in(filename.c_str(), std::ios::in | std::ios::binary); |
||||
if (in) |
||||
{ |
||||
std::string contents; |
||||
in.seekg(0, std::ios::end); |
||||
contents.resize(in.tellg()); |
||||
in.seekg(0, std::ios::beg); |
||||
in.read(&contents[0], contents.size()); |
||||
in.close(); |
||||
return(contents); |
||||
} |
||||
throw(errno); |
||||
} |
||||
|
||||
//Report error
|
||||
void err(std::string errtext, Metadata met) { |
||||
std::string err = "Error (file \"" + met.file + "\", line " + |
||||
unsignedToDecimal(met.ln + 1) + ", char " + unsignedToDecimal(met.ch) + |
||||
"): " + errtext; |
||||
std::cerr << err << "\n"; |
||||
throw(err); |
||||
} |
||||
|
||||
//Bin to hex
|
||||
std::string binToHex(std::string inp) { |
||||
std::string o = ""; |
||||
for (unsigned i = 0; i < inp.length(); i++) { |
||||
unsigned char v = inp[i]; |
||||
o += std::string("0123456789abcdef").substr(v/16, 1) |
||||
+ std::string("0123456789abcdef").substr(v%16, 1); |
||||
} |
||||
return o; |
||||
} |
||||
|
||||
//Hex to bin
|
||||
std::string hexToBin(std::string inp) { |
||||
std::string o = ""; |
||||
for (unsigned i = 0; i+1 < inp.length(); i+=2) { |
||||
char v = (char)(std::string("0123456789abcdef").find(inp[i]) * 16 + |
||||
std::string("0123456789abcdef").find(inp[i+1])); |
||||
o += v; |
||||
} |
||||
return o; |
||||
} |
||||
|
||||
//Lower to upper
|
||||
std::string upperCase(std::string inp) { |
||||
std::string o = ""; |
||||
for (unsigned i = 0; i < inp.length(); i++) { |
||||
if (inp[i] >= 97 && inp[i] <= 122) o += inp[i] - 32; |
||||
else o += inp[i]; |
||||
} |
||||
return o; |
||||
} |
||||
|
||||
//Three-int vector
|
||||
std::vector<int> triple(int a, int b, int c) { |
||||
std::vector<int> v; |
||||
v.push_back(a); |
||||
v.push_back(b); |
||||
v.push_back(c); |
||||
return v; |
||||
} |
||||
@ -1,127 +0,0 @@ |
||||
#ifndef ETHSERP_UTIL |
||||
#define ETHSERP_UTIL |
||||
|
||||
#include <stdio.h> |
||||
#include <iostream> |
||||
#include <vector> |
||||
#include <map> |
||||
#include <fstream> |
||||
#include <cerrno> |
||||
|
||||
const int TOKEN = 0, |
||||
ASTNODE = 1, |
||||
SPACE = 2, |
||||
BRACK = 3, |
||||
SQUOTE = 4, |
||||
DQUOTE = 5, |
||||
SYMB = 6, |
||||
ALPHANUM = 7, |
||||
LPAREN = 8, |
||||
RPAREN = 9, |
||||
COMMA = 10, |
||||
COLON = 11, |
||||
UNARY_OP = 12, |
||||
BINARY_OP = 13, |
||||
COMPOUND = 14, |
||||
TOKEN_SPLITTER = 15; |
||||
|
||||
// Stores metadata about each token
|
||||
class Metadata { |
||||
public: |
||||
Metadata(std::string File="main", int Ln=-1, int Ch=-1) { |
||||
file = File; |
||||
ln = Ln; |
||||
ch = Ch; |
||||
fixed = false; |
||||
} |
||||
std::string file; |
||||
int ln; |
||||
int ch; |
||||
bool fixed; |
||||
}; |
||||
|
||||
std::string mkUniqueToken(); |
||||
|
||||
// type can be TOKEN or ASTNODE
|
||||
struct Node { |
||||
int type; |
||||
std::string val; |
||||
std::vector<Node> args; |
||||
Metadata metadata; |
||||
}; |
||||
Node token(std::string val, Metadata met=Metadata()); |
||||
Node astnode(std::string val, std::vector<Node> args, Metadata met=Metadata()); |
||||
Node astnode(std::string val, Metadata met=Metadata()); |
||||
Node astnode(std::string val, Node a, Metadata met=Metadata()); |
||||
Node astnode(std::string val, Node a, Node b, Metadata met=Metadata()); |
||||
Node astnode(std::string val, Node a, Node b, Node c, Metadata met=Metadata()); |
||||
Node astnode(std::string val, Node a, Node b, |
||||
Node c, Node d, Metadata met=Metadata()); |
||||
|
||||
// Number of tokens in a tree
|
||||
int treeSize(Node prog); |
||||
|
||||
// Print token list
|
||||
std::string printTokens(std::vector<Node> tokens); |
||||
|
||||
// Prints a lisp AST on one line
|
||||
std::string printSimple(Node ast); |
||||
|
||||
// Pretty-prints a lisp AST
|
||||
std::string printAST(Node ast, bool printMetadata=false); |
||||
|
||||
// Splits text by line
|
||||
std::vector<std::string> splitLines(std::string s); |
||||
|
||||
// Inverse of splitLines
|
||||
std::string joinLines(std::vector<std::string> lines); |
||||
|
||||
// Indent all lines by 4 spaces
|
||||
std::string indentLines(std::string inp); |
||||
|
||||
// Converts binary to simple numeric format
|
||||
std::string binToNumeric(std::string inp); |
||||
|
||||
// Converts string to simple numeric format
|
||||
std::string strToNumeric(std::string inp); |
||||
|
||||
// Does the node contain a number (eg. 124, 0xf012c, "george")
|
||||
bool isNumberLike(Node node); |
||||
|
||||
//Normalizes number representations
|
||||
Node nodeToNumeric(Node node); |
||||
|
||||
//If a node is numeric, normalize its representation
|
||||
Node tryNumberize(Node node); |
||||
|
||||
//Converts a value to an array of byte number nodes
|
||||
std::vector<Node> toByteArr(std::string val, Metadata metadata, int minLen=1); |
||||
|
||||
//Reads a file
|
||||
std::string get_file_contents(std::string filename); |
||||
|
||||
//Does a file exist?
|
||||
bool exists(std::string fileName); |
||||
|
||||
//Report error
|
||||
void err(std::string errtext, Metadata met); |
||||
|
||||
//Bin to hex
|
||||
std::string binToHex(std::string inp); |
||||
|
||||
//Hex to bin
|
||||
std::string hexToBin(std::string inp); |
||||
|
||||
//Lower to upper
|
||||
std::string upperCase(std::string inp); |
||||
|
||||
//Three-int vector
|
||||
std::vector<int> triple(int a, int b, int c); |
||||
|
||||
#define asn astnode |
||||
#define tkn token |
||||
#define msi std::map<std::string, int> |
||||
#define msn std::map<std::string, Node> |
||||
#define mss std::map<std::string, std::string> |
||||
|
||||
#endif |
||||
@ -1,21 +0,0 @@ |
||||
package main |
||||
|
||||
import ( |
||||
"fmt" |
||||
|
||||
"github.com/ethereum/serpent-go" |
||||
) |
||||
|
||||
func main() { |
||||
out, _ := serpent.Compile(` |
||||
// Namecoin
|
||||
if !contract.storage[msg.data[0]]: # Is the key not yet taken? |
||||
# Then take it! |
||||
contract.storage[msg.data[0]] = msg.data[1] |
||||
return(1) |
||||
else: |
||||
return(0) // Otherwise do nothing
|
||||
`) |
||||
|
||||
fmt.Printf("%x\n", out) |
||||
} |
||||
@ -0,0 +1,58 @@ |
||||
// Copyright (c) 2012, Suryandaru Triandana <syndtr@gmail.com>
|
||||
// All rights reserved.
|
||||
//
|
||||
// Use of this source code is governed by a BSD-style license that can be
|
||||
// found in the LICENSE file.
|
||||
|
||||
// +build !go1.2
|
||||
|
||||
package leveldb |
||||
|
||||
import ( |
||||
"sync/atomic" |
||||
"testing" |
||||
) |
||||
|
||||
func BenchmarkDBReadConcurrent(b *testing.B) { |
||||
p := openDBBench(b, false) |
||||
p.populate(b.N) |
||||
p.fill() |
||||
p.gc() |
||||
defer p.close() |
||||
|
||||
b.ResetTimer() |
||||
b.SetBytes(116) |
||||
|
||||
b.RunParallel(func(pb *testing.PB) { |
||||
iter := p.newIter() |
||||
defer iter.Release() |
||||
for pb.Next() && iter.Next() { |
||||
} |
||||
}) |
||||
} |
||||
|
||||
func BenchmarkDBReadConcurrent2(b *testing.B) { |
||||
p := openDBBench(b, false) |
||||
p.populate(b.N) |
||||
p.fill() |
||||
p.gc() |
||||
defer p.close() |
||||
|
||||
b.ResetTimer() |
||||
b.SetBytes(116) |
||||
|
||||
var dir uint32 |
||||
b.RunParallel(func(pb *testing.PB) { |
||||
iter := p.newIter() |
||||
defer iter.Release() |
||||
if atomic.AddUint32(&dir, 1)%2 == 0 { |
||||
for pb.Next() && iter.Next() { |
||||
} |
||||
} else { |
||||
if pb.Next() && iter.Last() { |
||||
for pb.Next() && iter.Prev() { |
||||
} |
||||
} |
||||
} |
||||
}) |
||||
} |
||||
30
Godeps/_workspace/src/github.com/syndtr/goleveldb/leveldb/cache/bench2_test.go
generated
vendored
30
Godeps/_workspace/src/github.com/syndtr/goleveldb/leveldb/cache/bench2_test.go
generated
vendored
@ -0,0 +1,30 @@ |
||||
// Copyright (c) 2012, Suryandaru Triandana <syndtr@gmail.com>
|
||||
// All rights reserved.
|
||||
//
|
||||
// Use of this source code is governed by a BSD-style license that can be
|
||||
// found in the LICENSE file.
|
||||
|
||||
// +build !go1.2
|
||||
|
||||
package cache |
||||
|
||||
import ( |
||||
"math/rand" |
||||
"testing" |
||||
) |
||||
|
||||
func BenchmarkLRUCache(b *testing.B) { |
||||
c := NewCache(NewLRU(10000)) |
||||
|
||||
b.SetParallelism(10) |
||||
b.RunParallel(func(pb *testing.PB) { |
||||
r := rand.New(rand.NewSource(time.Now().UnixNano())) |
||||
|
||||
for pb.Next() { |
||||
key := uint64(r.Intn(1000000)) |
||||
c.Get(0, key, func() (int, Value) { |
||||
return 1, key |
||||
}).Release() |
||||
} |
||||
}) |
||||
} |
||||
564
Godeps/_workspace/src/github.com/syndtr/goleveldb/leveldb/cache/cache_test.go
generated
vendored
564
Godeps/_workspace/src/github.com/syndtr/goleveldb/leveldb/cache/cache_test.go
generated
vendored
246
Godeps/_workspace/src/github.com/syndtr/goleveldb/leveldb/cache/empty_cache.go
generated
vendored
246
Godeps/_workspace/src/github.com/syndtr/goleveldb/leveldb/cache/empty_cache.go
generated
vendored
@ -1,246 +0,0 @@ |
||||
// Copyright (c) 2013, Suryandaru Triandana <syndtr@gmail.com>
|
||||
// All rights reserved.
|
||||
//
|
||||
// Use of this source code is governed by a BSD-style license that can be
|
||||
// found in the LICENSE file.
|
||||
|
||||
package cache |
||||
|
||||
import ( |
||||
"sync" |
||||
"sync/atomic" |
||||
) |
||||
|
||||
type emptyCache struct { |
||||
sync.Mutex |
||||
table map[uint64]*emptyNS |
||||
} |
||||
|
||||
// NewEmptyCache creates a new initialized empty cache.
|
||||
func NewEmptyCache() Cache { |
||||
return &emptyCache{ |
||||
table: make(map[uint64]*emptyNS), |
||||
} |
||||
} |
||||
|
||||
func (c *emptyCache) GetNamespace(id uint64) Namespace { |
||||
c.Lock() |
||||
defer c.Unlock() |
||||
|
||||
if ns, ok := c.table[id]; ok { |
||||
return ns |
||||
} |
||||
|
||||
ns := &emptyNS{ |
||||
cache: c, |
||||
id: id, |
||||
table: make(map[uint64]*emptyNode), |
||||
} |
||||
c.table[id] = ns |
||||
return ns |
||||
} |
||||
|
||||
func (c *emptyCache) Purge(fin PurgeFin) { |
||||
c.Lock() |
||||
for _, ns := range c.table { |
||||
ns.purgeNB(fin) |
||||
} |
||||
c.Unlock() |
||||
} |
||||
|
||||
func (c *emptyCache) Zap(closed bool) { |
||||
c.Lock() |
||||
for _, ns := range c.table { |
||||
ns.zapNB(closed) |
||||
} |
||||
c.table = make(map[uint64]*emptyNS) |
||||
c.Unlock() |
||||
} |
||||
|
||||
func (*emptyCache) SetCapacity(capacity int) {} |
||||
|
||||
type emptyNS struct { |
||||
cache *emptyCache |
||||
id uint64 |
||||
table map[uint64]*emptyNode |
||||
state nsState |
||||
} |
||||
|
||||
func (ns *emptyNS) Get(key uint64, setf SetFunc) (o Object, ok bool) { |
||||
ns.cache.Lock() |
||||
|
||||
switch ns.state { |
||||
case nsZapped: |
||||
ns.cache.Unlock() |
||||
if setf == nil { |
||||
return |
||||
} |
||||
|
||||
var value interface{} |
||||
var fin func() |
||||
ok, value, _, fin = setf() |
||||
if ok { |
||||
o = &fakeObject{ |
||||
value: value, |
||||
fin: fin, |
||||
} |
||||
} |
||||
return |
||||
case nsClosed: |
||||
ns.cache.Unlock() |
||||
return |
||||
} |
||||
|
||||
n, ok := ns.table[key] |
||||
if ok { |
||||
n.ref++ |
||||
} else { |
||||
if setf == nil { |
||||
ns.cache.Unlock() |
||||
return |
||||
} |
||||
|
||||
var value interface{} |
||||
var fin func() |
||||
ok, value, _, fin = setf() |
||||
if !ok { |
||||
ns.cache.Unlock() |
||||
return |
||||
} |
||||
|
||||
n = &emptyNode{ |
||||
ns: ns, |
||||
key: key, |
||||
value: value, |
||||
setfin: fin, |
||||
ref: 1, |
||||
} |
||||
ns.table[key] = n |
||||
} |
||||
|
||||
ns.cache.Unlock() |
||||
o = &emptyObject{node: n} |
||||
return |
||||
} |
||||
|
||||
func (ns *emptyNS) Delete(key uint64, fin DelFin) bool { |
||||
ns.cache.Lock() |
||||
|
||||
if ns.state != nsEffective { |
||||
ns.cache.Unlock() |
||||
if fin != nil { |
||||
fin(false) |
||||
} |
||||
return false |
||||
} |
||||
|
||||
n, ok := ns.table[key] |
||||
if !ok { |
||||
ns.cache.Unlock() |
||||
if fin != nil { |
||||
fin(false) |
||||
} |
||||
return false |
||||
} |
||||
n.delfin = fin |
||||
ns.cache.Unlock() |
||||
return true |
||||
} |
||||
|
||||
func (ns *emptyNS) purgeNB(fin PurgeFin) { |
||||
if ns.state != nsEffective { |
||||
return |
||||
} |
||||
for _, n := range ns.table { |
||||
n.purgefin = fin |
||||
} |
||||
} |
||||
|
||||
func (ns *emptyNS) Purge(fin PurgeFin) { |
||||
ns.cache.Lock() |
||||
ns.purgeNB(fin) |
||||
ns.cache.Unlock() |
||||
} |
||||
|
||||
func (ns *emptyNS) zapNB(closed bool) { |
||||
if ns.state != nsEffective { |
||||
return |
||||
} |
||||
for _, n := range ns.table { |
||||
n.execFin() |
||||
} |
||||
if closed { |
||||
ns.state = nsClosed |
||||
} else { |
||||
ns.state = nsZapped |
||||
} |
||||
ns.table = nil |
||||
} |
||||
|
||||
func (ns *emptyNS) Zap(closed bool) { |
||||
ns.cache.Lock() |
||||
ns.zapNB(closed) |
||||
delete(ns.cache.table, ns.id) |
||||
ns.cache.Unlock() |
||||
} |
||||
|
||||
type emptyNode struct { |
||||
ns *emptyNS |
||||
key uint64 |
||||
value interface{} |
||||
ref int |
||||
setfin SetFin |
||||
delfin DelFin |
||||
purgefin PurgeFin |
||||
} |
||||
|
||||
func (n *emptyNode) execFin() { |
||||
if n.setfin != nil { |
||||
n.setfin() |
||||
n.setfin = nil |
||||
} |
||||
if n.purgefin != nil { |
||||
n.purgefin(n.ns.id, n.key, n.delfin) |
||||
n.delfin = nil |
||||
n.purgefin = nil |
||||
} else if n.delfin != nil { |
||||
n.delfin(true) |
||||
n.delfin = nil |
||||
} |
||||
} |
||||
|
||||
func (n *emptyNode) evict() { |
||||
n.ns.cache.Lock() |
||||
n.ref-- |
||||
if n.ref == 0 { |
||||
if n.ns.state == nsEffective { |
||||
// Remove elem.
|
||||
delete(n.ns.table, n.key) |
||||
// Execute finalizer.
|
||||
n.execFin() |
||||
} |
||||
} else if n.ref < 0 { |
||||
panic("leveldb/cache: emptyNode: negative node reference") |
||||
} |
||||
n.ns.cache.Unlock() |
||||
} |
||||
|
||||
type emptyObject struct { |
||||
node *emptyNode |
||||
once uint32 |
||||
} |
||||
|
||||
func (o *emptyObject) Value() interface{} { |
||||
if atomic.LoadUint32(&o.once) == 0 { |
||||
return o.node.value |
||||
} |
||||
return nil |
||||
} |
||||
|
||||
func (o *emptyObject) Release() { |
||||
if !atomic.CompareAndSwapUint32(&o.once, 0, 1) { |
||||
return |
||||
} |
||||
o.node.evict() |
||||
o.node = nil |
||||
} |
||||
@ -0,0 +1,195 @@ |
||||
// Copyright (c) 2012, Suryandaru Triandana <syndtr@gmail.com>
|
||||
// All rights reserved.
|
||||
//
|
||||
// Use of this source code is governed by a BSD-style license that can be
|
||||
// found in the LICENSE file.
|
||||
|
||||
package cache |
||||
|
||||
import ( |
||||
"sync" |
||||
"unsafe" |
||||
) |
||||
|
||||
type lruNode struct { |
||||
n *Node |
||||
h *Handle |
||||
ban bool |
||||
|
||||
next, prev *lruNode |
||||
} |
||||
|
||||
func (n *lruNode) insert(at *lruNode) { |
||||
x := at.next |
||||
at.next = n |
||||
n.prev = at |
||||
n.next = x |
||||
x.prev = n |
||||
} |
||||
|
||||
func (n *lruNode) remove() { |
||||
if n.prev != nil { |
||||
n.prev.next = n.next |
||||
n.next.prev = n.prev |
||||
n.prev = nil |
||||
n.next = nil |
||||
} else { |
||||
panic("BUG: removing removed node") |
||||
} |
||||
} |
||||
|
||||
type lru struct { |
||||
mu sync.Mutex |
||||
capacity int |
||||
used int |
||||
recent lruNode |
||||
} |
||||
|
||||
func (r *lru) reset() { |
||||
r.recent.next = &r.recent |
||||
r.recent.prev = &r.recent |
||||
r.used = 0 |
||||
} |
||||
|
||||
func (r *lru) Capacity() int { |
||||
r.mu.Lock() |
||||
defer r.mu.Unlock() |
||||
return r.capacity |
||||
} |
||||
|
||||
func (r *lru) SetCapacity(capacity int) { |
||||
var evicted []*lruNode |
||||
|
||||
r.mu.Lock() |
||||
r.capacity = capacity |
||||
for r.used > r.capacity { |
||||
rn := r.recent.prev |
||||
if rn == nil { |
||||
panic("BUG: invalid LRU used or capacity counter") |
||||
} |
||||
rn.remove() |
||||
rn.n.CacheData = nil |
||||
r.used -= rn.n.Size() |
||||
evicted = append(evicted, rn) |
||||
} |
||||
r.mu.Unlock() |
||||
|
||||
for _, rn := range evicted { |
||||
rn.h.Release() |
||||
} |
||||
} |
||||
|
||||
func (r *lru) Promote(n *Node) { |
||||
var evicted []*lruNode |
||||
|
||||
r.mu.Lock() |
||||
if n.CacheData == nil { |
||||
if n.Size() <= r.capacity { |
||||
rn := &lruNode{n: n, h: n.GetHandle()} |
||||
rn.insert(&r.recent) |
||||
n.CacheData = unsafe.Pointer(rn) |
||||
r.used += n.Size() |
||||
|
||||
for r.used > r.capacity { |
||||
rn := r.recent.prev |
||||
if rn == nil { |
||||
panic("BUG: invalid LRU used or capacity counter") |
||||
} |
||||
rn.remove() |
||||
rn.n.CacheData = nil |
||||
r.used -= rn.n.Size() |
||||
evicted = append(evicted, rn) |
||||
} |
||||
} |
||||
} else { |
||||
rn := (*lruNode)(n.CacheData) |
||||
if !rn.ban { |
||||
rn.remove() |
||||
rn.insert(&r.recent) |
||||
} |
||||
} |
||||
r.mu.Unlock() |
||||
|
||||
for _, rn := range evicted { |
||||
rn.h.Release() |
||||
} |
||||
} |
||||
|
||||
func (r *lru) Ban(n *Node) { |
||||
r.mu.Lock() |
||||
if n.CacheData == nil { |
||||
n.CacheData = unsafe.Pointer(&lruNode{n: n, ban: true}) |
||||
} else { |
||||
rn := (*lruNode)(n.CacheData) |
||||
if !rn.ban { |
||||
rn.remove() |
||||
rn.ban = true |
||||
r.used -= rn.n.Size() |
||||
r.mu.Unlock() |
||||
|
||||
rn.h.Release() |
||||
rn.h = nil |
||||
return |
||||
} |
||||
} |
||||
r.mu.Unlock() |
||||
} |
||||
|
||||
func (r *lru) Evict(n *Node) { |
||||
r.mu.Lock() |
||||
rn := (*lruNode)(n.CacheData) |
||||
if rn == nil || rn.ban { |
||||
r.mu.Unlock() |
||||
return |
||||
} |
||||
n.CacheData = nil |
||||
r.mu.Unlock() |
||||
|
||||
rn.h.Release() |
||||
} |
||||
|
||||
func (r *lru) EvictNS(ns uint64) { |
||||
var evicted []*lruNode |
||||
|
||||
r.mu.Lock() |
||||
for e := r.recent.prev; e != &r.recent; { |
||||
rn := e |
||||
e = e.prev |
||||
if rn.n.NS() == ns { |
||||
rn.remove() |
||||
rn.n.CacheData = nil |
||||
r.used -= rn.n.Size() |
||||
evicted = append(evicted, rn) |
||||
} |
||||
} |
||||
r.mu.Unlock() |
||||
|
||||
for _, rn := range evicted { |
||||
rn.h.Release() |
||||
} |
||||
} |
||||
|
||||
func (r *lru) EvictAll() { |
||||
r.mu.Lock() |
||||
back := r.recent.prev |
||||
for rn := back; rn != &r.recent; rn = rn.prev { |
||||
rn.n.CacheData = nil |
||||
} |
||||
r.reset() |
||||
r.mu.Unlock() |
||||
|
||||
for rn := back; rn != &r.recent; rn = rn.prev { |
||||
rn.h.Release() |
||||
} |
||||
} |
||||
|
||||
func (r *lru) Close() error { |
||||
return nil |
||||
} |
||||
|
||||
// NewLRU create a new LRU-cache.
|
||||
func NewLRU(capacity int) Cacher { |
||||
r := &lru{capacity: capacity} |
||||
r.reset() |
||||
return r |
||||
} |
||||
@ -1,354 +0,0 @@ |
||||
// Copyright (c) 2012, Suryandaru Triandana <syndtr@gmail.com>
|
||||
// All rights reserved.
|
||||
//
|
||||
// Use of this source code is governed by a BSD-style license that can be
|
||||
// found in the LICENSE file.
|
||||
|
||||
package cache |
||||
|
||||
import ( |
||||
"sync" |
||||
"sync/atomic" |
||||
) |
||||
|
||||
// lruCache represent a LRU cache state.
|
||||
type lruCache struct { |
||||
sync.Mutex |
||||
|
||||
recent lruNode |
||||
table map[uint64]*lruNs |
||||
capacity int |
||||
size int |
||||
} |
||||
|
||||
// NewLRUCache creates a new initialized LRU cache with the given capacity.
|
||||
func NewLRUCache(capacity int) Cache { |
||||
c := &lruCache{ |
||||
table: make(map[uint64]*lruNs), |
||||
capacity: capacity, |
||||
} |
||||
c.recent.rNext = &c.recent |
||||
c.recent.rPrev = &c.recent |
||||
return c |
||||
} |
||||
|
||||
// SetCapacity set cache capacity.
|
||||
func (c *lruCache) SetCapacity(capacity int) { |
||||
c.Lock() |
||||
c.capacity = capacity |
||||
c.evict() |
||||
c.Unlock() |
||||
} |
||||
|
||||
// GetNamespace return namespace object for given id.
|
||||
func (c *lruCache) GetNamespace(id uint64) Namespace { |
||||
c.Lock() |
||||
defer c.Unlock() |
||||
|
||||
if p, ok := c.table[id]; ok { |
||||
return p |
||||
} |
||||
|
||||
p := &lruNs{ |
||||
lru: c, |
||||
id: id, |
||||
table: make(map[uint64]*lruNode), |
||||
} |
||||
c.table[id] = p |
||||
return p |
||||
} |
||||
|
||||
// Purge purge entire cache.
|
||||
func (c *lruCache) Purge(fin PurgeFin) { |
||||
c.Lock() |
||||
for _, ns := range c.table { |
||||
ns.purgeNB(fin) |
||||
} |
||||
c.Unlock() |
||||
} |
||||
|
||||
func (c *lruCache) Zap(closed bool) { |
||||
c.Lock() |
||||
for _, ns := range c.table { |
||||
ns.zapNB(closed) |
||||
} |
||||
c.table = make(map[uint64]*lruNs) |
||||
c.Unlock() |
||||
} |
||||
|
||||
func (c *lruCache) evict() { |
||||
top := &c.recent |
||||
for n := c.recent.rPrev; c.size > c.capacity && n != top; { |
||||
n.state = nodeEvicted |
||||
n.rRemove() |
||||
n.evictNB() |
||||
c.size -= n.charge |
||||
n = c.recent.rPrev |
||||
} |
||||
} |
||||
|
||||
type lruNs struct { |
||||
lru *lruCache |
||||
id uint64 |
||||
table map[uint64]*lruNode |
||||
state nsState |
||||
} |
||||
|
||||
func (ns *lruNs) Get(key uint64, setf SetFunc) (o Object, ok bool) { |
||||
lru := ns.lru |
||||
lru.Lock() |
||||
|
||||
switch ns.state { |
||||
case nsZapped: |
||||
lru.Unlock() |
||||
if setf == nil { |
||||
return |
||||
} |
||||
|
||||
var value interface{} |
||||
var fin func() |
||||
ok, value, _, fin = setf() |
||||
if ok { |
||||
o = &fakeObject{ |
||||
value: value, |
||||
fin: fin, |
||||
} |
||||
} |
||||
return |
||||
case nsClosed: |
||||
lru.Unlock() |
||||
return |
||||
} |
||||
|
||||
n, ok := ns.table[key] |
||||
if ok { |
||||
switch n.state { |
||||
case nodeEvicted: |
||||
// Insert to recent list.
|
||||
n.state = nodeEffective |
||||
n.ref++ |
||||
lru.size += n.charge |
||||
lru.evict() |
||||
fallthrough |
||||
case nodeEffective: |
||||
// Bump to front
|
||||
n.rRemove() |
||||
n.rInsert(&lru.recent) |
||||
} |
||||
n.ref++ |
||||
} else { |
||||
if setf == nil { |
||||
lru.Unlock() |
||||
return |
||||
} |
||||
|
||||
var value interface{} |
||||
var charge int |
||||
var fin func() |
||||
ok, value, charge, fin = setf() |
||||
if !ok { |
||||
lru.Unlock() |
||||
return |
||||
} |
||||
|
||||
n = &lruNode{ |
||||
ns: ns, |
||||
key: key, |
||||
value: value, |
||||
charge: charge, |
||||
setfin: fin, |
||||
ref: 2, |
||||
} |
||||
ns.table[key] = n |
||||
n.rInsert(&lru.recent) |
||||
|
||||
lru.size += charge |
||||
lru.evict() |
||||
} |
||||
|
||||
lru.Unlock() |
||||
o = &lruObject{node: n} |
||||
return |
||||
} |
||||
|
||||
func (ns *lruNs) Delete(key uint64, fin DelFin) bool { |
||||
lru := ns.lru |
||||
lru.Lock() |
||||
|
||||
if ns.state != nsEffective { |
||||
lru.Unlock() |
||||
if fin != nil { |
||||
fin(false) |
||||
} |
||||
return false |
||||
} |
||||
|
||||
n, ok := ns.table[key] |
||||
if !ok { |
||||
lru.Unlock() |
||||
if fin != nil { |
||||
fin(false) |
||||
} |
||||
return false |
||||
} |
||||
|
||||
n.delfin = fin |
||||
switch n.state { |
||||
case nodeRemoved: |
||||
lru.Unlock() |
||||
return false |
||||
case nodeEffective: |
||||
lru.size -= n.charge |
||||
n.rRemove() |
||||
n.evictNB() |
||||
} |
||||
n.state = nodeRemoved |
||||
|
||||
lru.Unlock() |
||||
return true |
||||
} |
||||
|
||||
func (ns *lruNs) purgeNB(fin PurgeFin) { |
||||
lru := ns.lru |
||||
if ns.state != nsEffective { |
||||
return |
||||
} |
||||
|
||||
for _, n := range ns.table { |
||||
n.purgefin = fin |
||||
if n.state == nodeEffective { |
||||
lru.size -= n.charge |
||||
n.rRemove() |
||||
n.evictNB() |
||||
} |
||||
n.state = nodeRemoved |
||||
} |
||||
} |
||||
|
||||
func (ns *lruNs) Purge(fin PurgeFin) { |
||||
ns.lru.Lock() |
||||
ns.purgeNB(fin) |
||||
ns.lru.Unlock() |
||||
} |
||||
|
||||
func (ns *lruNs) zapNB(closed bool) { |
||||
lru := ns.lru |
||||
if ns.state != nsEffective { |
||||
return |
||||
} |
||||
|
||||
if closed { |
||||
ns.state = nsClosed |
||||
} else { |
||||
ns.state = nsZapped |
||||
} |
||||
for _, n := range ns.table { |
||||
if n.state == nodeEffective { |
||||
lru.size -= n.charge |
||||
n.rRemove() |
||||
} |
||||
n.state = nodeRemoved |
||||
n.execFin() |
||||
} |
||||
ns.table = nil |
||||
} |
||||
|
||||
func (ns *lruNs) Zap(closed bool) { |
||||
ns.lru.Lock() |
||||
ns.zapNB(closed) |
||||
delete(ns.lru.table, ns.id) |
||||
ns.lru.Unlock() |
||||
} |
||||
|
||||
type lruNode struct { |
||||
ns *lruNs |
||||
|
||||
rNext, rPrev *lruNode |
||||
|
||||
key uint64 |
||||
value interface{} |
||||
charge int |
||||
ref int |
||||
state nodeState |
||||
setfin SetFin |
||||
delfin DelFin |
||||
purgefin PurgeFin |
||||
} |
||||
|
||||
func (n *lruNode) rInsert(at *lruNode) { |
||||
x := at.rNext |
||||
at.rNext = n |
||||
n.rPrev = at |
||||
n.rNext = x |
||||
x.rPrev = n |
||||
} |
||||
|
||||
func (n *lruNode) rRemove() bool { |
||||
// only remove if not already removed
|
||||
if n.rPrev == nil { |
||||
return false |
||||
} |
||||
|
||||
n.rPrev.rNext = n.rNext |
||||
n.rNext.rPrev = n.rPrev |
||||
n.rPrev = nil |
||||
n.rNext = nil |
||||
|
||||
return true |
||||
} |
||||
|
||||
func (n *lruNode) execFin() { |
||||
if n.setfin != nil { |
||||
n.setfin() |
||||
n.setfin = nil |
||||
} |
||||
if n.purgefin != nil { |
||||
n.purgefin(n.ns.id, n.key, n.delfin) |
||||
n.delfin = nil |
||||
n.purgefin = nil |
||||
} else if n.delfin != nil { |
||||
n.delfin(true) |
||||
n.delfin = nil |
||||
} |
||||
} |
||||
|
||||
func (n *lruNode) evictNB() { |
||||
n.ref-- |
||||
if n.ref == 0 { |
||||
if n.ns.state == nsEffective { |
||||
// remove elem
|
||||
delete(n.ns.table, n.key) |
||||
// execute finalizer
|
||||
n.execFin() |
||||
} |
||||
} else if n.ref < 0 { |
||||
panic("leveldb/cache: lruCache: negative node reference") |
||||
} |
||||
} |
||||
|
||||
func (n *lruNode) evict() { |
||||
n.ns.lru.Lock() |
||||
n.evictNB() |
||||
n.ns.lru.Unlock() |
||||
} |
||||
|
||||
type lruObject struct { |
||||
node *lruNode |
||||
once uint32 |
||||
} |
||||
|
||||
func (o *lruObject) Value() interface{} { |
||||
if atomic.LoadUint32(&o.once) == 0 { |
||||
return o.node.value |
||||
} |
||||
return nil |
||||
} |
||||
|
||||
func (o *lruObject) Release() { |
||||
if !atomic.CompareAndSwapUint32(&o.once, 0, 1) { |
||||
return |
||||
} |
||||
|
||||
o.node.evict() |
||||
o.node = nil |
||||
} |
||||
@ -1,40 +0,0 @@ |
||||
// Copyright (c) 2012, Suryandaru Triandana <syndtr@gmail.com>
|
||||
// All rights reserved.
|
||||
//
|
||||
// Use of this source code is governed by a BSD-style license that can be
|
||||
// found in the LICENSE file.
|
||||
|
||||
package leveldb |
||||
|
||||
const ( |
||||
kNumLevels = 7 |
||||
|
||||
// Level-0 compaction is started when we hit this many files.
|
||||
kL0_CompactionTrigger float64 = 4 |
||||
|
||||
// Soft limit on number of level-0 files. We slow down writes at this point.
|
||||
kL0_SlowdownWritesTrigger = 8 |
||||
|
||||
// Maximum number of level-0 files. We stop writes at this point.
|
||||
kL0_StopWritesTrigger = 12 |
||||
|
||||
// Maximum level to which a new compacted memdb is pushed if it
|
||||
// does not create overlap. We try to push to level 2 to avoid the
|
||||
// relatively expensive level 0=>1 compactions and to avoid some
|
||||
// expensive manifest file operations. We do not push all the way to
|
||||
// the largest level since that can generate a lot of wasted disk
|
||||
// space if the same key space is being repeatedly overwritten.
|
||||
kMaxMemCompactLevel = 2 |
||||
|
||||
// Maximum size of a table.
|
||||
kMaxTableSize = 2 * 1048576 |
||||
|
||||
// Maximum bytes of overlaps in grandparent (i.e., level+2) before we
|
||||
// stop building a single file in a level->level+1 compaction.
|
||||
kMaxGrandParentOverlapBytes = 10 * kMaxTableSize |
||||
|
||||
// Maximum number of bytes in all compacted files. We avoid expanding
|
||||
// the lower level file set of a compaction if it would make the
|
||||
// total compaction cover more than this many bytes.
|
||||
kExpCompactionMaxBytes = 25 * kMaxTableSize |
||||
) |
||||
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
Some files were not shown because too many files have changed in this diff Show More
Loading…
Reference in new issue