mirror of https://github.com/ethereum/go-ethereum
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
983 lines
29 KiB
983 lines
29 KiB
// Copyright 2022 The go-ethereum Authors
|
|
// This file is part of go-ethereum.
|
|
//
|
|
// go-ethereum is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// go-ethereum is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package ethtest
|
|
|
|
import (
|
|
"bytes"
|
|
"errors"
|
|
"fmt"
|
|
"math/big"
|
|
"math/rand"
|
|
"reflect"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/core/state"
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
"github.com/ethereum/go-ethereum/crypto"
|
|
"github.com/ethereum/go-ethereum/eth/protocols/snap"
|
|
"github.com/ethereum/go-ethereum/internal/utesting"
|
|
"github.com/ethereum/go-ethereum/trie"
|
|
"github.com/ethereum/go-ethereum/trie/trienode"
|
|
"golang.org/x/crypto/sha3"
|
|
)
|
|
|
|
func (c *Conn) snapRequest(code uint64, msg any) (any, error) {
|
|
if err := c.Write(snapProto, code, msg); err != nil {
|
|
return nil, fmt.Errorf("could not write to connection: %v", err)
|
|
}
|
|
return c.ReadSnap()
|
|
}
|
|
|
|
func (s *Suite) TestSnapStatus(t *utesting.T) {
|
|
conn, err := s.dialSnap()
|
|
if err != nil {
|
|
t.Fatalf("dial failed: %v", err)
|
|
}
|
|
defer conn.Close()
|
|
if err := conn.peer(s.chain, nil); err != nil {
|
|
t.Fatalf("peering failed: %v", err)
|
|
}
|
|
}
|
|
|
|
type accRangeTest struct {
|
|
nBytes uint64
|
|
root common.Hash
|
|
startingHash common.Hash
|
|
limitHash common.Hash
|
|
|
|
expAccounts int
|
|
expFirst common.Hash
|
|
expLast common.Hash
|
|
|
|
desc string
|
|
}
|
|
|
|
// TestSnapGetAccountRange various forms of GetAccountRange requests.
|
|
func (s *Suite) TestSnapGetAccountRange(t *utesting.T) {
|
|
var (
|
|
ffHash = common.MaxHash
|
|
zero = common.Hash{}
|
|
|
|
// test values derived from chain/ account dump
|
|
root = s.chain.Head().Root()
|
|
headstate = s.chain.AccountsInHashOrder()
|
|
firstKey = common.BytesToHash(headstate[0].AddressHash)
|
|
secondKey = common.BytesToHash(headstate[1].AddressHash)
|
|
storageRoot = findNonEmptyStorageRoot(headstate)
|
|
)
|
|
|
|
tests := []accRangeTest{
|
|
// Tests decreasing the number of bytes
|
|
{
|
|
nBytes: 4000,
|
|
root: root,
|
|
startingHash: zero,
|
|
limitHash: ffHash,
|
|
expAccounts: 86,
|
|
expFirst: firstKey,
|
|
expLast: common.HexToHash("0x445cb5c1278fdce2f9cbdb681bdd76c52f8e50e41dbd9e220242a69ba99ac099"),
|
|
desc: "In this test, we request the entire state range, but limit the response to 4000 bytes.",
|
|
},
|
|
{
|
|
nBytes: 3000,
|
|
root: root,
|
|
startingHash: zero,
|
|
limitHash: ffHash,
|
|
expAccounts: 65,
|
|
expFirst: firstKey,
|
|
expLast: common.HexToHash("0x2e6fe1362b3e388184fd7bf08e99e74170b26361624ffd1c5f646da7067b58b6"),
|
|
desc: "In this test, we request the entire state range, but limit the response to 3000 bytes.",
|
|
},
|
|
{
|
|
nBytes: 2000,
|
|
root: root,
|
|
startingHash: zero,
|
|
limitHash: ffHash,
|
|
expAccounts: 44,
|
|
expFirst: firstKey,
|
|
expLast: common.HexToHash("0x1c3f74249a4892081ba0634a819aec9ed25f34c7653f5719b9098487e65ab595"),
|
|
desc: "In this test, we request the entire state range, but limit the response to 2000 bytes.",
|
|
},
|
|
{
|
|
nBytes: 1,
|
|
root: root,
|
|
startingHash: zero,
|
|
limitHash: ffHash,
|
|
expAccounts: 1,
|
|
expFirst: firstKey,
|
|
expLast: firstKey,
|
|
desc: `In this test, we request the entire state range, but limit the response to 1 byte.
|
|
The server should return the first account of the state.`,
|
|
},
|
|
{
|
|
nBytes: 0,
|
|
root: root,
|
|
startingHash: zero,
|
|
limitHash: ffHash,
|
|
expAccounts: 1,
|
|
expFirst: firstKey,
|
|
expLast: firstKey,
|
|
desc: `Here we request with a responseBytes limit of zero.
|
|
The server should return one account.`,
|
|
},
|
|
|
|
// Tests variations of the range
|
|
{
|
|
nBytes: 4000,
|
|
root: root,
|
|
startingHash: hashAdd(firstKey, -500),
|
|
limitHash: hashAdd(firstKey, 1),
|
|
expAccounts: 2,
|
|
expFirst: firstKey,
|
|
expLast: secondKey,
|
|
desc: `In this test, we request a range where startingHash is before the first available
|
|
account key, and limitHash is after. The server should return the first and second
|
|
account of the state (because the second account is the 'next available').`,
|
|
},
|
|
|
|
{
|
|
nBytes: 4000,
|
|
root: root,
|
|
startingHash: hashAdd(firstKey, -500),
|
|
limitHash: hashAdd(firstKey, -450),
|
|
expAccounts: 1,
|
|
expFirst: firstKey,
|
|
expLast: firstKey,
|
|
desc: `Here we request range where both bounds are before the first available account key.
|
|
This should return the first account (even though it's out of bounds).`,
|
|
},
|
|
|
|
// More range tests:
|
|
{
|
|
nBytes: 4000,
|
|
root: root,
|
|
startingHash: zero,
|
|
limitHash: zero,
|
|
expAccounts: 1,
|
|
expFirst: firstKey,
|
|
expLast: firstKey,
|
|
desc: `In this test, both startingHash and limitHash are zero.
|
|
The server should return the first available account.`,
|
|
},
|
|
{
|
|
nBytes: 4000,
|
|
root: root,
|
|
startingHash: firstKey,
|
|
limitHash: ffHash,
|
|
expAccounts: 86,
|
|
expFirst: firstKey,
|
|
expLast: common.HexToHash("0x445cb5c1278fdce2f9cbdb681bdd76c52f8e50e41dbd9e220242a69ba99ac099"),
|
|
desc: `In this test, startingHash is exactly the first available account key.
|
|
The server should return the first available account of the state as the first item.`,
|
|
},
|
|
{
|
|
nBytes: 4000,
|
|
root: root,
|
|
startingHash: hashAdd(firstKey, 1),
|
|
limitHash: ffHash,
|
|
expAccounts: 86,
|
|
expFirst: secondKey,
|
|
expLast: common.HexToHash("0x4615e5f5df5b25349a00ad313c6cd0436b6c08ee5826e33a018661997f85ebaa"),
|
|
desc: `In this test, startingHash is after the first available key.
|
|
The server should return the second account of the state as the first item.`,
|
|
},
|
|
|
|
// Test different root hashes
|
|
|
|
{
|
|
nBytes: 4000,
|
|
root: common.Hash{0x13, 0x37},
|
|
startingHash: zero,
|
|
limitHash: ffHash,
|
|
expAccounts: 0,
|
|
expFirst: zero,
|
|
expLast: zero,
|
|
desc: `This test requests a non-existent state root.`,
|
|
},
|
|
|
|
// The genesis stateroot (we expect it to not be served)
|
|
{
|
|
nBytes: 4000,
|
|
root: s.chain.RootAt(0),
|
|
startingHash: zero,
|
|
limitHash: ffHash,
|
|
expAccounts: 0,
|
|
expFirst: zero,
|
|
expLast: zero,
|
|
desc: `This test requests data at the state root of the genesis block. We expect the
|
|
server to return no data because genesis is older than 127 blocks.`,
|
|
},
|
|
|
|
{
|
|
nBytes: 4000,
|
|
root: s.chain.RootAt(int(s.chain.Head().Number().Uint64()) - 127),
|
|
startingHash: zero,
|
|
limitHash: ffHash,
|
|
expAccounts: 84,
|
|
expFirst: firstKey,
|
|
expLast: common.HexToHash("0x580aa878e2f92d113a12c0a3ce3c21972b03dbe80786858d49a72097e2c491a3"),
|
|
desc: `This test requests data at a state root that is 127 blocks old.
|
|
We expect the server to have this state available.`,
|
|
},
|
|
|
|
{
|
|
nBytes: 4000,
|
|
root: storageRoot,
|
|
startingHash: zero,
|
|
limitHash: ffHash,
|
|
expAccounts: 0,
|
|
expFirst: zero,
|
|
expLast: zero,
|
|
desc: `This test requests data at a state root that is actually the storage root of
|
|
an existing account. The server is supposed to ignore this request.`,
|
|
},
|
|
|
|
// And some non-sensical requests
|
|
|
|
{
|
|
nBytes: 4000,
|
|
root: root,
|
|
startingHash: ffHash,
|
|
limitHash: zero,
|
|
expAccounts: 0,
|
|
expFirst: zero,
|
|
expLast: zero,
|
|
desc: `In this test, the startingHash is after limitHash (wrong order). The server
|
|
should ignore this invalid request.`,
|
|
},
|
|
|
|
{
|
|
nBytes: 4000,
|
|
root: root,
|
|
startingHash: firstKey,
|
|
limitHash: hashAdd(firstKey, -1),
|
|
expAccounts: 1,
|
|
expFirst: firstKey,
|
|
expLast: firstKey,
|
|
desc: `In this test, the startingHash is the first available key, and limitHash is
|
|
a key before startingHash (wrong order). The server should return the first available key.`,
|
|
},
|
|
|
|
// range from [firstkey, 0], wrong order. Expect to get first key.
|
|
{
|
|
nBytes: 4000,
|
|
root: root,
|
|
startingHash: firstKey,
|
|
limitHash: zero,
|
|
expAccounts: 1,
|
|
expFirst: firstKey,
|
|
expLast: firstKey,
|
|
desc: `In this test, the startingHash is the first available key and limitHash is zero.
|
|
(wrong order). The server should return the first available key.`,
|
|
},
|
|
}
|
|
|
|
for i, tc := range tests {
|
|
tc := tc
|
|
if i > 0 {
|
|
t.Log("\n")
|
|
}
|
|
t.Logf("-- Test %d", i)
|
|
t.Log(tc.desc)
|
|
t.Log(" request:")
|
|
t.Logf(" root: %x", tc.root)
|
|
t.Logf(" range: %#x - %#x", tc.startingHash, tc.limitHash)
|
|
t.Logf(" responseBytes: %d", tc.nBytes)
|
|
if err := s.snapGetAccountRange(t, &tc); err != nil {
|
|
t.Errorf("test %d failed: %v", i, err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func hashAdd(h common.Hash, n int64) common.Hash {
|
|
hb := h.Big()
|
|
return common.BigToHash(hb.Add(hb, big.NewInt(n)))
|
|
}
|
|
|
|
func findNonEmptyStorageRoot(accounts []state.DumpAccount) common.Hash {
|
|
for i := range accounts {
|
|
if len(accounts[i].Storage) != 0 {
|
|
return common.BytesToHash(accounts[i].Root)
|
|
}
|
|
}
|
|
panic("can't find account with non-empty storage")
|
|
}
|
|
|
|
type stRangesTest struct {
|
|
root common.Hash
|
|
accounts []common.Hash
|
|
origin []byte
|
|
limit []byte
|
|
nBytes uint64
|
|
|
|
expSlots [][]*snap.StorageData
|
|
|
|
desc string
|
|
}
|
|
|
|
// TestSnapGetStorageRanges various forms of GetStorageRanges requests.
|
|
func (s *Suite) TestSnapGetStorageRanges(t *utesting.T) {
|
|
var (
|
|
acct = common.HexToAddress("0x8bebc8ba651aee624937e7d897853ac30c95a067")
|
|
acctHash = common.BytesToHash(s.chain.state[acct].AddressHash)
|
|
ffHash = common.MaxHash
|
|
zero = common.Hash{}
|
|
blockroot = s.chain.Head().Root()
|
|
)
|
|
|
|
// These are the storage slots of the test account, encoded as snap response data.
|
|
acctSlots := []*snap.StorageData{
|
|
{
|
|
Hash: common.HexToHash("0x405787fa12a823e0f2b7631cc41b3ba8828b3321ca811111fa75cd3aa3bb5ace"),
|
|
Body: []byte{0x02},
|
|
},
|
|
{
|
|
Hash: common.HexToHash("0xb10e2d527612073b26eecdfd717e6a320cf44b4afac2b0732d9fcbe2b7fa0cf6"),
|
|
Body: []byte{0x01},
|
|
},
|
|
{
|
|
Hash: common.HexToHash("0xc2575a0e9e593c00f959f8c92f12db2869c3395a3b0502d05e2516446f71f85b"),
|
|
Body: []byte{0x03},
|
|
},
|
|
}
|
|
|
|
tests := []stRangesTest{
|
|
/*
|
|
Some tests against this account:
|
|
|
|
"0x8bebc8ba651aee624937e7d897853ac30c95a067": {
|
|
"balance": "1",
|
|
"nonce": 1,
|
|
"root": "0xe318dff15b33aa7f2f12d5567d58628e3e3f2e8859e46b56981a4083b391da17",
|
|
"codeHash": "0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470",
|
|
"storage": {
|
|
// Note: keys below are hashed!!!
|
|
"0x405787fa12a823e0f2b7631cc41b3ba8828b3321ca811111fa75cd3aa3bb5ace": "02",
|
|
"0xb10e2d527612073b26eecdfd717e6a320cf44b4afac2b0732d9fcbe2b7fa0cf6": "01",
|
|
"0xc2575a0e9e593c00f959f8c92f12db2869c3395a3b0502d05e2516446f71f85b": "03"
|
|
},
|
|
"key": "0x445cb5c1278fdce2f9cbdb681bdd76c52f8e50e41dbd9e220242a69ba99ac099"
|
|
}
|
|
*/
|
|
|
|
{ // [:] -> [slot1, slot2, slot3]
|
|
desc: `This request has a range of 00..ff.
|
|
The server should return all storage slots of the test account.`,
|
|
root: blockroot,
|
|
accounts: []common.Hash{acctHash},
|
|
origin: zero[:],
|
|
limit: ffHash[:],
|
|
nBytes: 500,
|
|
expSlots: [][]*snap.StorageData{acctSlots},
|
|
},
|
|
|
|
{ // [slot1:] -> [slot1, slot2, slot3]
|
|
desc: `This test requests slots starting at the first available key.
|
|
The server should return all storage slots of the test account.`,
|
|
root: blockroot,
|
|
accounts: []common.Hash{acctHash},
|
|
origin: common.FromHex("0x405787fa12a823e0f2b7631cc41b3ba8828b3321ca811111fa75cd3aa3bb5ace"),
|
|
limit: ffHash[:],
|
|
nBytes: 1000,
|
|
expSlots: [][]*snap.StorageData{acctSlots},
|
|
},
|
|
|
|
{ // [slot1+:] -> [slot2, slot3]
|
|
desc: `This test requests slots starting at a key one past the first available key.
|
|
The server should return the remaining two slots of the test account.`,
|
|
root: blockroot,
|
|
accounts: []common.Hash{acctHash},
|
|
origin: common.FromHex("0x405787fa12a823e0f2b7631cc41b3ba8828b3321ca811111fa75cd3aa3bb5acf"),
|
|
limit: ffHash[:],
|
|
nBytes: 500,
|
|
expSlots: [][]*snap.StorageData{acctSlots[1:]},
|
|
},
|
|
|
|
{ // [slot1:slot2] -> [slot1, slot2]
|
|
desc: `This test requests a range which is exactly the first and second available key.`,
|
|
root: blockroot,
|
|
accounts: []common.Hash{acctHash},
|
|
origin: common.FromHex("0x405787fa12a823e0f2b7631cc41b3ba8828b3321ca811111fa75cd3aa3bb5ace"),
|
|
limit: common.FromHex("0xb10e2d527612073b26eecdfd717e6a320cf44b4afac2b0732d9fcbe2b7fa0cf6"),
|
|
nBytes: 500,
|
|
expSlots: [][]*snap.StorageData{acctSlots[:2]},
|
|
},
|
|
|
|
{ // [slot1+:slot2+] -> [slot2, slot3]
|
|
desc: `This test requests a range where limitHash is after the second, but before the third slot
|
|
of the test account. The server should return slots [2,3] (i.e. the 'next available' needs to be returned).`,
|
|
root: blockroot,
|
|
accounts: []common.Hash{acctHash},
|
|
origin: common.FromHex("0x4fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"),
|
|
limit: common.FromHex("0xb10e2d527612073b26eecdfd717e6a320cf44b4afac2b0732d9fcbe2b7fa0cf7"),
|
|
nBytes: 500,
|
|
expSlots: [][]*snap.StorageData{acctSlots[1:]},
|
|
},
|
|
}
|
|
|
|
for i, tc := range tests {
|
|
tc := tc
|
|
if i > 0 {
|
|
t.Log("\n")
|
|
}
|
|
t.Logf("-- Test %d", i)
|
|
t.Log(tc.desc)
|
|
t.Log(" request:")
|
|
t.Logf(" root: %x", tc.root)
|
|
t.Logf(" accounts: %x", tc.accounts)
|
|
t.Logf(" range: %#x - %#x", tc.origin, tc.limit)
|
|
t.Logf(" responseBytes: %d", tc.nBytes)
|
|
if err := s.snapGetStorageRanges(t, &tc); err != nil {
|
|
t.Errorf(" failed: %v", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
type byteCodesTest struct {
|
|
nBytes uint64
|
|
hashes []common.Hash
|
|
|
|
expHashes int
|
|
|
|
desc string
|
|
}
|
|
|
|
// TestSnapGetByteCodes various forms of GetByteCodes requests.
|
|
func (s *Suite) TestSnapGetByteCodes(t *utesting.T) {
|
|
var (
|
|
allHashes = s.chain.CodeHashes()
|
|
headRoot = s.chain.Head().Root()
|
|
genesisRoot = s.chain.RootAt(0)
|
|
)
|
|
|
|
tests := []byteCodesTest{
|
|
// A few stateroots
|
|
{
|
|
desc: `Here we request state roots as code hashes. The server should deliver an empty response with no items.`,
|
|
nBytes: 10000,
|
|
hashes: []common.Hash{genesisRoot, headRoot},
|
|
expHashes: 0,
|
|
},
|
|
{
|
|
desc: `Here we request the genesis state root (which is not an existing code hash) two times. The server should deliver an empty response with no items.`,
|
|
nBytes: 10000,
|
|
hashes: []common.Hash{genesisRoot, genesisRoot},
|
|
expHashes: 0,
|
|
},
|
|
// Empties
|
|
{
|
|
desc: `Here we request the empty state root (which is not an existing code hash). The server should deliver an empty response with no items.`,
|
|
nBytes: 10000,
|
|
hashes: []common.Hash{types.EmptyRootHash},
|
|
expHashes: 0,
|
|
},
|
|
{
|
|
desc: `Here we request the empty code hash. The server should deliver an empty response item.`,
|
|
nBytes: 10000,
|
|
hashes: []common.Hash{types.EmptyCodeHash},
|
|
expHashes: 1,
|
|
},
|
|
{
|
|
desc: `In this test, we request the empty code hash three times. The server should deliver the empty item three times.`,
|
|
nBytes: 10000,
|
|
hashes: []common.Hash{types.EmptyCodeHash, types.EmptyCodeHash, types.EmptyCodeHash},
|
|
expHashes: 3,
|
|
},
|
|
// The existing bytecodes
|
|
{
|
|
desc: `Here we request all available contract codes. The server should deliver them all in one response.`,
|
|
nBytes: 100000,
|
|
hashes: allHashes,
|
|
expHashes: len(allHashes),
|
|
},
|
|
// The existing, with limited byte arg
|
|
{
|
|
desc: `In this test, the request has a bytes limit of one. The server should deliver one item.`,
|
|
nBytes: 1,
|
|
hashes: allHashes,
|
|
expHashes: 1,
|
|
},
|
|
{
|
|
desc: `In this test, the request has a bytes limit of zero. The server should deliver one item.`,
|
|
nBytes: 0,
|
|
hashes: allHashes,
|
|
expHashes: 1,
|
|
},
|
|
// Request the same hash multiple times.
|
|
{
|
|
desc: `This test requests the same code hash multiple times. The server should deliver it multiple times.`,
|
|
nBytes: 1000,
|
|
hashes: []common.Hash{allHashes[0], allHashes[0], allHashes[0], allHashes[0]},
|
|
expHashes: 4,
|
|
},
|
|
}
|
|
|
|
for i, tc := range tests {
|
|
tc := tc
|
|
if i > 0 {
|
|
t.Log("\n")
|
|
}
|
|
t.Logf("-- Test %d", i)
|
|
t.Log(tc.desc)
|
|
t.Log(" request:")
|
|
t.Logf(" hashes: %x", tc.hashes)
|
|
t.Logf(" responseBytes: %d", tc.nBytes)
|
|
if err := s.snapGetByteCodes(t, &tc); err != nil {
|
|
t.Errorf("failed: %v", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
type trieNodesTest struct {
|
|
root common.Hash
|
|
paths []snap.TrieNodePathSet
|
|
nBytes uint64
|
|
|
|
expHashes []common.Hash // expected response
|
|
expReject bool // if true, request should be rejected
|
|
|
|
desc string
|
|
}
|
|
|
|
func decodeNibbles(nibbles []byte, bytes []byte) {
|
|
for bi, ni := 0, 0; ni < len(nibbles); bi, ni = bi+1, ni+2 {
|
|
bytes[bi] = nibbles[ni]<<4 | nibbles[ni+1]
|
|
}
|
|
}
|
|
|
|
// hasTerm returns whether a hex key has the terminator flag.
|
|
func hasTerm(s []byte) bool {
|
|
return len(s) > 0 && s[len(s)-1] == 16
|
|
}
|
|
|
|
func keybytesToHex(str []byte) []byte {
|
|
l := len(str)*2 + 1
|
|
var nibbles = make([]byte, l)
|
|
for i, b := range str {
|
|
nibbles[i*2] = b / 16
|
|
nibbles[i*2+1] = b % 16
|
|
}
|
|
nibbles[l-1] = 16
|
|
return nibbles
|
|
}
|
|
|
|
func hexToCompact(hex []byte) []byte {
|
|
terminator := byte(0)
|
|
if hasTerm(hex) {
|
|
terminator = 1
|
|
hex = hex[:len(hex)-1]
|
|
}
|
|
buf := make([]byte, len(hex)/2+1)
|
|
buf[0] = terminator << 5 // the flag byte
|
|
if len(hex)&1 == 1 {
|
|
buf[0] |= 1 << 4 // odd flag
|
|
buf[0] |= hex[0] // first nibble is contained in the first byte
|
|
hex = hex[1:]
|
|
}
|
|
decodeNibbles(hex, buf[1:])
|
|
return buf
|
|
}
|
|
|
|
// TestSnapTrieNodes various forms of GetTrieNodes requests.
|
|
func (s *Suite) TestSnapTrieNodes(t *utesting.T) {
|
|
var (
|
|
// This is the known address of the snap storage testing contract.
|
|
storageAcct = common.HexToAddress("0x8bebc8ba651aee624937e7d897853ac30c95a067")
|
|
storageAcctHash = common.BytesToHash(s.chain.state[storageAcct].AddressHash)
|
|
// This is the known address of an existing account.
|
|
key = common.FromHex("0xa87387b50b481431c6ccdb9ae99a54d4dcdd4a3eff75d7b17b4818f7bbfc21e9")
|
|
empty = types.EmptyCodeHash
|
|
accPaths []snap.TrieNodePathSet
|
|
)
|
|
for i := 1; i <= 65; i++ {
|
|
accPaths = append(accPaths, makeSnapPath(key, i))
|
|
}
|
|
|
|
tests := []trieNodesTest{
|
|
{
|
|
desc: `In this test, we send an empty request to the node.`,
|
|
root: s.chain.Head().Root(),
|
|
paths: nil,
|
|
nBytes: 500,
|
|
expHashes: nil,
|
|
},
|
|
|
|
{
|
|
desc: `In this test, we send a request containing an empty path-set.
|
|
The server should reject the request.`,
|
|
root: s.chain.Head().Root(),
|
|
paths: []snap.TrieNodePathSet{
|
|
{}, // zero-length pathset should 'abort' and kick us off
|
|
{[]byte{0}},
|
|
},
|
|
nBytes: 5000,
|
|
expHashes: []common.Hash{},
|
|
expReject: true,
|
|
},
|
|
|
|
{
|
|
desc: `Here we request the root node of the trie. The server should respond with the root node.`,
|
|
root: s.chain.RootAt(int(s.chain.Head().NumberU64() - 1)),
|
|
paths: []snap.TrieNodePathSet{
|
|
{[]byte{0}},
|
|
{[]byte{1}, []byte{0}},
|
|
},
|
|
nBytes: 5000,
|
|
expHashes: []common.Hash{s.chain.RootAt(int(s.chain.Head().NumberU64() - 1))},
|
|
},
|
|
|
|
{ // nonsensically long path
|
|
desc: `In this test, we request a very long trie node path. The server should respond with an empty node (keccak256("")).`,
|
|
root: s.chain.Head().Root(),
|
|
paths: []snap.TrieNodePathSet{
|
|
{[]byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 0, 1, 2, 3, 4, 5, 6, 7, 8, 0, 1, 2, 3, 4, 5, 6, 7, 8,
|
|
0, 1, 2, 3, 4, 5, 6, 7, 8, 0, 1, 2, 3, 4, 5, 6, 7, 8, 0, 1, 2, 3, 4, 5, 6, 7, 8}},
|
|
},
|
|
nBytes: 5000,
|
|
expHashes: []common.Hash{types.EmptyCodeHash},
|
|
},
|
|
|
|
{
|
|
// The leaf is only a couple of levels down, so the continued trie traversal causes lookup failures.
|
|
desc: `Here we request some known accounts from the state.`,
|
|
root: s.chain.Head().Root(),
|
|
paths: accPaths,
|
|
nBytes: 5000,
|
|
expHashes: []common.Hash{
|
|
// It's a bit unfortunate these are hard-coded, but the result depends on
|
|
// a lot of aspects of the state trie and can't be guessed in a simple
|
|
// way. So you'll have to update this when the test chain is changed.
|
|
common.HexToHash("0x3e963a69401a70224cbfb8c0cc2249b019041a538675d71ccf80c9328d114e2e"),
|
|
common.HexToHash("0xd0670d09cdfbf3c6320eb3e92c47c57baa6c226551a2d488c05581091e6b1689"),
|
|
empty, empty, empty, empty, empty, empty, empty, empty, empty, empty, empty, empty,
|
|
empty, empty, empty, empty, empty, empty, empty, empty, empty, empty, empty, empty,
|
|
empty, empty, empty, empty, empty, empty, empty, empty, empty, empty, empty, empty,
|
|
empty, empty, empty, empty, empty, empty, empty, empty, empty, empty, empty, empty,
|
|
empty, empty, empty, empty, empty, empty, empty, empty, empty, empty, empty, empty,
|
|
empty, empty, empty},
|
|
},
|
|
|
|
{
|
|
desc: `In this test, we request some known accounts in state. The requested paths are NOT in key order.`,
|
|
root: s.chain.Head().Root(),
|
|
paths: []snap.TrieNodePathSet{
|
|
accPaths[10], accPaths[1], accPaths[0],
|
|
},
|
|
nBytes: 5000,
|
|
// As with the previous test, this result depends on the whole tree and will have to
|
|
// be updated when the test chain is changed.
|
|
expHashes: []common.Hash{
|
|
empty,
|
|
common.HexToHash("0xd0670d09cdfbf3c6320eb3e92c47c57baa6c226551a2d488c05581091e6b1689"),
|
|
common.HexToHash("0x3e963a69401a70224cbfb8c0cc2249b019041a538675d71ccf80c9328d114e2e"),
|
|
},
|
|
},
|
|
|
|
// Storage tests.
|
|
// These use the known storage test account.
|
|
|
|
{
|
|
desc: `This test requests the storage root node of a known account.`,
|
|
root: s.chain.Head().Root(),
|
|
paths: []snap.TrieNodePathSet{
|
|
{
|
|
storageAcctHash[:],
|
|
[]byte{0},
|
|
},
|
|
},
|
|
nBytes: 5000,
|
|
expHashes: []common.Hash{
|
|
common.HexToHash("0xbe3d75a1729be157e79c3b77f00206db4d54e3ea14375a015451c88ec067c790"),
|
|
},
|
|
},
|
|
|
|
{
|
|
desc: `This test requests multiple storage nodes of a known account.`,
|
|
root: s.chain.Head().Root(),
|
|
paths: []snap.TrieNodePathSet{
|
|
{
|
|
storageAcctHash[:],
|
|
[]byte{0},
|
|
[]byte{0x1b},
|
|
},
|
|
},
|
|
nBytes: 5000,
|
|
expHashes: []common.Hash{
|
|
common.HexToHash("0xbe3d75a1729be157e79c3b77f00206db4d54e3ea14375a015451c88ec067c790"),
|
|
common.HexToHash("0xf4984a11f61a2921456141df88de6e1a710d28681b91af794c5a721e47839cd7"),
|
|
},
|
|
},
|
|
}
|
|
|
|
for i, tc := range tests {
|
|
tc := tc
|
|
if i > 0 {
|
|
t.Log("\n")
|
|
}
|
|
t.Logf("-- Test %d", i)
|
|
t.Log(tc.desc)
|
|
t.Log(" request:")
|
|
t.Logf(" root: %x", tc.root)
|
|
t.Logf(" paths: %x", tc.paths)
|
|
t.Logf(" responseBytes: %d", tc.nBytes)
|
|
|
|
if err := s.snapGetTrieNodes(t, &tc); err != nil {
|
|
t.Errorf(" failed: %v", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func makeSnapPath(key []byte, length int) snap.TrieNodePathSet {
|
|
hex := keybytesToHex(key)[:length]
|
|
hex[len(hex)-1] = 0 // remove term flag
|
|
hKey := hexToCompact(hex)
|
|
return snap.TrieNodePathSet{hKey}
|
|
}
|
|
|
|
func (s *Suite) snapGetAccountRange(t *utesting.T, tc *accRangeTest) error {
|
|
conn, err := s.dialSnap()
|
|
if err != nil {
|
|
t.Fatalf("dial failed: %v", err)
|
|
}
|
|
defer conn.Close()
|
|
if err = conn.peer(s.chain, nil); err != nil {
|
|
t.Fatalf("peering failed: %v", err)
|
|
}
|
|
// write request
|
|
req := &snap.GetAccountRangePacket{
|
|
ID: uint64(rand.Int63()),
|
|
Root: tc.root,
|
|
Origin: tc.startingHash,
|
|
Limit: tc.limitHash,
|
|
Bytes: tc.nBytes,
|
|
}
|
|
msg, err := conn.snapRequest(snap.GetAccountRangeMsg, req)
|
|
if err != nil {
|
|
return fmt.Errorf("account range request failed: %v", err)
|
|
}
|
|
res, ok := msg.(*snap.AccountRangePacket)
|
|
if !ok {
|
|
return fmt.Errorf("account range response wrong: %T %v", msg, msg)
|
|
}
|
|
if exp, got := tc.expAccounts, len(res.Accounts); exp != got {
|
|
return fmt.Errorf("expected %d accounts, got %d", exp, got)
|
|
}
|
|
// Check that the encoding order is correct
|
|
for i := 1; i < len(res.Accounts); i++ {
|
|
if bytes.Compare(res.Accounts[i-1].Hash[:], res.Accounts[i].Hash[:]) >= 0 {
|
|
return fmt.Errorf("accounts not monotonically increasing: #%d [%x] vs #%d [%x]", i-1, res.Accounts[i-1].Hash[:], i, res.Accounts[i].Hash[:])
|
|
}
|
|
}
|
|
var (
|
|
hashes []common.Hash
|
|
accounts [][]byte
|
|
proof = res.Proof
|
|
)
|
|
hashes, accounts, err = res.Unpack()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if len(hashes) == 0 && len(accounts) == 0 && len(proof) == 0 {
|
|
return nil
|
|
}
|
|
if len(hashes) > 0 {
|
|
if exp, got := tc.expFirst, res.Accounts[0].Hash; exp != got {
|
|
return fmt.Errorf("expected first account %#x, got %#x", exp, got)
|
|
}
|
|
if exp, got := tc.expLast, res.Accounts[len(res.Accounts)-1].Hash; exp != got {
|
|
return fmt.Errorf("expected last account %#x, got %#x", exp, got)
|
|
}
|
|
}
|
|
// Reconstruct a partial trie from the response and verify it
|
|
keys := make([][]byte, len(hashes))
|
|
for i, key := range hashes {
|
|
keys[i] = common.CopyBytes(key[:])
|
|
}
|
|
nodes := make(trienode.ProofList, len(proof))
|
|
for i, node := range proof {
|
|
nodes[i] = node
|
|
}
|
|
proofdb := nodes.Set()
|
|
|
|
_, err = trie.VerifyRangeProof(tc.root, tc.startingHash[:], keys, accounts, proofdb)
|
|
return err
|
|
}
|
|
|
|
func (s *Suite) snapGetStorageRanges(t *utesting.T, tc *stRangesTest) error {
|
|
conn, err := s.dialSnap()
|
|
if err != nil {
|
|
t.Fatalf("dial failed: %v", err)
|
|
}
|
|
defer conn.Close()
|
|
if err = conn.peer(s.chain, nil); err != nil {
|
|
t.Fatalf("peering failed: %v", err)
|
|
}
|
|
|
|
// write request
|
|
req := &snap.GetStorageRangesPacket{
|
|
ID: uint64(rand.Int63()),
|
|
Root: tc.root,
|
|
Accounts: tc.accounts,
|
|
Origin: tc.origin,
|
|
Limit: tc.limit,
|
|
Bytes: tc.nBytes,
|
|
}
|
|
msg, err := conn.snapRequest(snap.GetStorageRangesMsg, req)
|
|
if err != nil {
|
|
return fmt.Errorf("account range request failed: %v", err)
|
|
}
|
|
res, ok := msg.(*snap.StorageRangesPacket)
|
|
if !ok {
|
|
return fmt.Errorf("account range response wrong: %T %v", msg, msg)
|
|
}
|
|
|
|
// Ensure the ranges are monotonically increasing
|
|
for i, slots := range res.Slots {
|
|
for j := 1; j < len(slots); j++ {
|
|
if bytes.Compare(slots[j-1].Hash[:], slots[j].Hash[:]) >= 0 {
|
|
return fmt.Errorf("storage slots not monotonically increasing for account #%d: #%d [%x] vs #%d [%x]", i, j-1, slots[j-1].Hash[:], j, slots[j].Hash[:])
|
|
}
|
|
}
|
|
}
|
|
|
|
// Compute expected slot hashes.
|
|
var expHashes [][]common.Hash
|
|
for _, acct := range tc.expSlots {
|
|
var list []common.Hash
|
|
for _, s := range acct {
|
|
list = append(list, s.Hash)
|
|
}
|
|
expHashes = append(expHashes, list)
|
|
}
|
|
|
|
// Check response.
|
|
if !reflect.DeepEqual(res.Slots, tc.expSlots) {
|
|
t.Log(" expected slot hashes:", expHashes)
|
|
return fmt.Errorf("wrong storage slots in response: %#v", res.Slots)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (s *Suite) snapGetByteCodes(t *utesting.T, tc *byteCodesTest) error {
|
|
conn, err := s.dialSnap()
|
|
if err != nil {
|
|
t.Fatalf("dial failed: %v", err)
|
|
}
|
|
defer conn.Close()
|
|
if err = conn.peer(s.chain, nil); err != nil {
|
|
t.Fatalf("peering failed: %v", err)
|
|
}
|
|
// write request
|
|
req := &snap.GetByteCodesPacket{
|
|
ID: uint64(rand.Int63()),
|
|
Hashes: tc.hashes,
|
|
Bytes: tc.nBytes,
|
|
}
|
|
msg, err := conn.snapRequest(snap.GetByteCodesMsg, req)
|
|
if err != nil {
|
|
return fmt.Errorf("getBytecodes request failed: %v", err)
|
|
}
|
|
res, ok := msg.(*snap.ByteCodesPacket)
|
|
if !ok {
|
|
return fmt.Errorf("bytecodes response wrong: %T %v", msg, msg)
|
|
}
|
|
if exp, got := tc.expHashes, len(res.Codes); exp != got {
|
|
for i, c := range res.Codes {
|
|
t.Logf("%d. %#x\n", i, c)
|
|
}
|
|
return fmt.Errorf("expected %d bytecodes, got %d", exp, got)
|
|
}
|
|
// Cross reference the requested bytecodes with the response to find gaps
|
|
// that the serving node is missing
|
|
var (
|
|
bytecodes = res.Codes
|
|
hasher = sha3.NewLegacyKeccak256().(crypto.KeccakState)
|
|
hash = make([]byte, 32)
|
|
codes = make([][]byte, len(req.Hashes))
|
|
)
|
|
|
|
for i, j := 0, 0; i < len(bytecodes); i++ {
|
|
// Find the next hash that we've been served, leaving misses with nils
|
|
hasher.Reset()
|
|
hasher.Write(bytecodes[i])
|
|
hasher.Read(hash)
|
|
|
|
for j < len(req.Hashes) && !bytes.Equal(hash, req.Hashes[j][:]) {
|
|
j++
|
|
}
|
|
if j < len(req.Hashes) {
|
|
codes[j] = bytecodes[i]
|
|
j++
|
|
continue
|
|
}
|
|
// We've either ran out of hashes, or got unrequested data
|
|
return errors.New("unexpected bytecode")
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (s *Suite) snapGetTrieNodes(t *utesting.T, tc *trieNodesTest) error {
|
|
conn, err := s.dialSnap()
|
|
if err != nil {
|
|
t.Fatalf("dial failed: %v", err)
|
|
}
|
|
defer conn.Close()
|
|
if err = conn.peer(s.chain, nil); err != nil {
|
|
t.Fatalf("peering failed: %v", err)
|
|
}
|
|
|
|
// write0 request
|
|
req := &snap.GetTrieNodesPacket{
|
|
ID: uint64(rand.Int63()),
|
|
Root: tc.root,
|
|
Paths: tc.paths,
|
|
Bytes: tc.nBytes,
|
|
}
|
|
msg, err := conn.snapRequest(snap.GetTrieNodesMsg, req)
|
|
if err != nil {
|
|
if tc.expReject {
|
|
return nil
|
|
}
|
|
return fmt.Errorf("trienodes request failed: %v", err)
|
|
}
|
|
res, ok := msg.(*snap.TrieNodesPacket)
|
|
if !ok {
|
|
return fmt.Errorf("trienodes response wrong: %T %v", msg, msg)
|
|
}
|
|
|
|
// Check the correctness
|
|
|
|
// Cross reference the requested trienodes with the response to find gaps
|
|
// that the serving node is missing
|
|
hasher := sha3.NewLegacyKeccak256().(crypto.KeccakState)
|
|
hash := make([]byte, 32)
|
|
trienodes := res.Nodes
|
|
if got, want := len(trienodes), len(tc.expHashes); got != want {
|
|
return fmt.Errorf("wrong trienode count, got %d, want %d", got, want)
|
|
}
|
|
for i, trienode := range trienodes {
|
|
hasher.Reset()
|
|
hasher.Write(trienode)
|
|
hasher.Read(hash)
|
|
if got, want := hash, tc.expHashes[i]; !bytes.Equal(got, want[:]) {
|
|
t.Logf(" hash %d wrong, got %#x, want %#x\n", i, got, want)
|
|
err = fmt.Errorf("hash %d wrong, got %#x, want %#x", i, got, want)
|
|
}
|
|
}
|
|
return err
|
|
}
|
|
|