mirror of https://github.com/ethereum/go-ethereum
Martin Holst Swende
2 years ago
parent
59ac229f87
commit
8541ddbd95
@ -1,78 +0,0 @@ |
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// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package compiler |
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import ( |
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"os/exec" |
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"testing" |
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) |
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const ( |
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testSource = ` |
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pragma solidity >0.0.0; |
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contract test { |
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/// @notice Will multiply ` + "`a`" + ` by 7.
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function multiply(uint a) public returns(uint d) { |
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return a * 7; |
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} |
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} |
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` |
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) |
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func skipWithoutSolc(t *testing.T) { |
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if _, err := exec.LookPath("solc"); err != nil { |
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t.Skip(err) |
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} |
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} |
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func TestSolidityCompiler(t *testing.T) { |
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skipWithoutSolc(t) |
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contracts, err := CompileSolidityString("", testSource) |
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if err != nil { |
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t.Fatalf("error compiling source. result %v: %v", contracts, err) |
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} |
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if len(contracts) != 1 { |
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t.Errorf("one contract expected, got %d", len(contracts)) |
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} |
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c, ok := contracts["test"] |
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if !ok { |
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c, ok = contracts["<stdin>:test"] |
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if !ok { |
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t.Fatal("info for contract 'test' not present in result") |
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} |
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} |
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if c.Code == "" { |
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t.Error("empty code") |
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} |
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if c.Info.Source != testSource { |
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t.Error("wrong source") |
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} |
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if c.Info.CompilerVersion == "" { |
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t.Error("empty version") |
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} |
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} |
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func TestSolidityCompileError(t *testing.T) { |
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skipWithoutSolc(t) |
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contracts, err := CompileSolidityString("", testSource[4:]) |
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if err == nil { |
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t.Errorf("error expected compiling source. got none. result %v", contracts) |
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} |
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t.Logf("error: %v", err) |
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} |
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@ -1,3 +0,0 @@ |
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@public |
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def test(): |
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hello: int128 |
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@ -1,3 +0,0 @@ |
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lic |
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def test(): |
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hello: int128 |
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@ -1,144 +0,0 @@ |
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// Copyright 2019 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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// Package compiler wraps the Solidity and Vyper compiler executables (solc; vyper).
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package compiler |
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import ( |
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"bytes" |
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"encoding/json" |
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"errors" |
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"fmt" |
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"os/exec" |
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"strconv" |
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"strings" |
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) |
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// Vyper contains information about the vyper compiler.
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type Vyper struct { |
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Path, Version, FullVersion string |
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Major, Minor, Patch int |
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} |
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func (s *Vyper) makeArgs() []string { |
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p := []string{ |
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"-f", "combined_json", |
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} |
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return p |
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} |
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// VyperVersion runs vyper and parses its version output.
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func VyperVersion(vyper string) (*Vyper, error) { |
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if vyper == "" { |
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vyper = "vyper" |
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} |
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var out bytes.Buffer |
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cmd := exec.Command(vyper, "--version") |
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cmd.Stdout = &out |
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err := cmd.Run() |
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if err != nil { |
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return nil, err |
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} |
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matches := versionRegexp.FindStringSubmatch(out.String()) |
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if len(matches) != 4 { |
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return nil, fmt.Errorf("can't parse vyper version %q", out.String()) |
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} |
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s := &Vyper{Path: cmd.Path, FullVersion: out.String(), Version: matches[0]} |
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if s.Major, err = strconv.Atoi(matches[1]); err != nil { |
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return nil, err |
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} |
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if s.Minor, err = strconv.Atoi(matches[2]); err != nil { |
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return nil, err |
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} |
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if s.Patch, err = strconv.Atoi(matches[3]); err != nil { |
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return nil, err |
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} |
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return s, nil |
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} |
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// CompileVyper compiles all given Vyper source files.
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func CompileVyper(vyper string, sourcefiles ...string) (map[string]*Contract, error) { |
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if len(sourcefiles) == 0 { |
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return nil, errors.New("vyper: no source files") |
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} |
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source, err := slurpFiles(sourcefiles) |
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if err != nil { |
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return nil, err |
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} |
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s, err := VyperVersion(vyper) |
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if err != nil { |
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return nil, err |
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} |
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args := s.makeArgs() |
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cmd := exec.Command(s.Path, append(args, sourcefiles...)...) |
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return s.run(cmd, source) |
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} |
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func (s *Vyper) run(cmd *exec.Cmd, source string) (map[string]*Contract, error) { |
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var stderr, stdout bytes.Buffer |
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cmd.Stderr = &stderr |
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cmd.Stdout = &stdout |
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if err := cmd.Run(); err != nil { |
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return nil, fmt.Errorf("vyper: %v\n%s", err, stderr.Bytes()) |
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} |
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return ParseVyperJSON(stdout.Bytes(), source, s.Version, s.Version, strings.Join(s.makeArgs(), " ")) |
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} |
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// ParseVyperJSON takes the direct output of a vyper --f combined_json run and
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// parses it into a map of string contract name to Contract structs. The
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// provided source, language and compiler version, and compiler options are all
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// passed through into the Contract structs.
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//
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// The vyper output is expected to contain ABI and source mapping.
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//
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// Returns an error if the JSON is malformed or missing data, or if the JSON
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// embedded within the JSON is malformed.
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func ParseVyperJSON(combinedJSON []byte, source string, languageVersion string, compilerVersion string, compilerOptions string) (map[string]*Contract, error) { |
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var output map[string]interface{} |
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if err := json.Unmarshal(combinedJSON, &output); err != nil { |
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return nil, err |
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} |
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// Compilation succeeded, assemble and return the contracts.
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contracts := make(map[string]*Contract) |
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for name, info := range output { |
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// Parse the individual compilation results.
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if name == "version" { |
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continue |
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} |
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c := info.(map[string]interface{}) |
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contracts[name] = &Contract{ |
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Code: c["bytecode"].(string), |
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RuntimeCode: c["bytecode_runtime"].(string), |
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Info: ContractInfo{ |
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Source: source, |
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Language: "Vyper", |
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LanguageVersion: languageVersion, |
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CompilerVersion: compilerVersion, |
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CompilerOptions: compilerOptions, |
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SrcMap: c["source_map"], |
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SrcMapRuntime: "", |
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AbiDefinition: c["abi"], |
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UserDoc: "", |
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DeveloperDoc: "", |
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Metadata: "", |
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}, |
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} |
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} |
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return contracts, nil |
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} |
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@ -1,71 +0,0 @@ |
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// Copyright 2019 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package compiler |
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import ( |
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"os/exec" |
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"testing" |
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) |
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func skipWithoutVyper(t *testing.T) { |
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if _, err := exec.LookPath("vyper"); err != nil { |
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t.Skip(err) |
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} |
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} |
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func TestVyperCompiler(t *testing.T) { |
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skipWithoutVyper(t) |
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testSource := []string{"test.v.py"} |
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source, err := slurpFiles(testSource) |
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if err != nil { |
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t.Error("couldn't read test files") |
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} |
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contracts, err := CompileVyper("", testSource...) |
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if err != nil { |
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t.Fatalf("error compiling test.v.py. result %v: %v", contracts, err) |
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} |
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if len(contracts) != 1 { |
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t.Errorf("one contract expected, got %d", len(contracts)) |
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} |
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c, ok := contracts["test.v.py"] |
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if !ok { |
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c, ok = contracts["<stdin>:test"] |
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if !ok { |
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t.Fatal("info for contract 'test.v.py' not present in result") |
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} |
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} |
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if c.Code == "" { |
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t.Error("empty code") |
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} |
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if c.Info.Source != source { |
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t.Error("wrong source") |
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} |
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if c.Info.CompilerVersion == "" { |
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t.Error("empty version") |
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} |
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} |
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func TestVyperCompileError(t *testing.T) { |
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skipWithoutVyper(t) |
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contracts, err := CompileVyper("", "test_bad.v.py") |
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if err == nil { |
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t.Errorf("error expected compiling test_bad.v.py. got none. result %v", contracts) |
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} |
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t.Logf("error: %v", err) |
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} |
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