go-ethereum/internal/ethapi/api_test.go

627 lines
20 KiB
Go

// Copyright 2023 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package ethapi
import (
"bytes"
"context"
"crypto/ecdsa"
"encoding/json"
"errors"
"math/big"
"reflect"
"sort"
"testing"
"time"
"github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/consensus"
"github.com/ethereum/go-ethereum/consensus/ethash"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/bloombits"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rpc"
)
func TestTransaction_RoundTripRpcJSON(t *testing.T) {
var (
config = params.AllEthashProtocolChanges
signer = types.LatestSigner(config)
key, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
tests = allTransactionTypes(common.Address{0xde, 0xad}, config)
)
t.Parallel()
for i, tt := range tests {
var tx2 types.Transaction
tx, err := types.SignNewTx(key, signer, tt)
if err != nil {
t.Fatalf("test %d: signing failed: %v", i, err)
}
// Regular transaction
if data, err := json.Marshal(tx); err != nil {
t.Fatalf("test %d: marshalling failed; %v", i, err)
} else if err = tx2.UnmarshalJSON(data); err != nil {
t.Fatalf("test %d: sunmarshal failed: %v", i, err)
} else if want, have := tx.Hash(), tx2.Hash(); want != have {
t.Fatalf("test %d: stx changed, want %x have %x", i, want, have)
}
// rpcTransaction
rpcTx := newRPCTransaction(tx, common.Hash{}, 0, 0, 0, nil, config)
if data, err := json.Marshal(rpcTx); err != nil {
t.Fatalf("test %d: marshalling failed; %v", i, err)
} else if err = tx2.UnmarshalJSON(data); err != nil {
t.Fatalf("test %d: unmarshal failed: %v", i, err)
} else if want, have := tx.Hash(), tx2.Hash(); want != have {
t.Fatalf("test %d: tx changed, want %x have %x", i, want, have)
}
}
}
func allTransactionTypes(addr common.Address, config *params.ChainConfig) []types.TxData {
return []types.TxData{
&types.LegacyTx{
Nonce: 5,
GasPrice: big.NewInt(6),
Gas: 7,
To: &addr,
Value: big.NewInt(8),
Data: []byte{0, 1, 2, 3, 4},
V: big.NewInt(9),
R: big.NewInt(10),
S: big.NewInt(11),
},
&types.LegacyTx{
Nonce: 5,
GasPrice: big.NewInt(6),
Gas: 7,
To: nil,
Value: big.NewInt(8),
Data: []byte{0, 1, 2, 3, 4},
V: big.NewInt(32),
R: big.NewInt(10),
S: big.NewInt(11),
},
&types.AccessListTx{
ChainID: config.ChainID,
Nonce: 5,
GasPrice: big.NewInt(6),
Gas: 7,
To: &addr,
Value: big.NewInt(8),
Data: []byte{0, 1, 2, 3, 4},
AccessList: types.AccessList{
types.AccessTuple{
Address: common.Address{0x2},
StorageKeys: []common.Hash{types.EmptyRootHash},
},
},
V: big.NewInt(32),
R: big.NewInt(10),
S: big.NewInt(11),
},
&types.AccessListTx{
ChainID: config.ChainID,
Nonce: 5,
GasPrice: big.NewInt(6),
Gas: 7,
To: nil,
Value: big.NewInt(8),
Data: []byte{0, 1, 2, 3, 4},
AccessList: types.AccessList{
types.AccessTuple{
Address: common.Address{0x2},
StorageKeys: []common.Hash{types.EmptyRootHash},
},
},
V: big.NewInt(32),
R: big.NewInt(10),
S: big.NewInt(11),
},
&types.DynamicFeeTx{
ChainID: config.ChainID,
Nonce: 5,
GasTipCap: big.NewInt(6),
GasFeeCap: big.NewInt(9),
Gas: 7,
To: &addr,
Value: big.NewInt(8),
Data: []byte{0, 1, 2, 3, 4},
AccessList: types.AccessList{
types.AccessTuple{
Address: common.Address{0x2},
StorageKeys: []common.Hash{types.EmptyRootHash},
},
},
V: big.NewInt(32),
R: big.NewInt(10),
S: big.NewInt(11),
},
&types.DynamicFeeTx{
ChainID: config.ChainID,
Nonce: 5,
GasTipCap: big.NewInt(6),
GasFeeCap: big.NewInt(9),
Gas: 7,
To: nil,
Value: big.NewInt(8),
Data: []byte{0, 1, 2, 3, 4},
AccessList: types.AccessList{},
V: big.NewInt(32),
R: big.NewInt(10),
S: big.NewInt(11),
},
}
}
type testBackend struct {
db ethdb.Database
chain *core.BlockChain
}
func newTestBackend(t *testing.T, n int, gspec *core.Genesis, generator func(i int, b *core.BlockGen)) *testBackend {
var (
engine = ethash.NewFaker()
backend = &testBackend{
db: rawdb.NewMemoryDatabase(),
}
cacheConfig = &core.CacheConfig{
TrieCleanLimit: 256,
TrieDirtyLimit: 256,
TrieTimeLimit: 5 * time.Minute,
SnapshotLimit: 0,
TrieDirtyDisabled: true, // Archive mode
}
)
// Generate blocks for testing
_, blocks, _ := core.GenerateChainWithGenesis(gspec, engine, n, generator)
chain, err := core.NewBlockChain(backend.db, cacheConfig, gspec, nil, engine, vm.Config{}, nil, nil)
if err != nil {
t.Fatalf("failed to create tester chain: %v", err)
}
if n, err := chain.InsertChain(blocks); err != nil {
t.Fatalf("block %d: failed to insert into chain: %v", n, err)
}
backend.chain = chain
return backend
}
func (b testBackend) SyncProgress() ethereum.SyncProgress { return ethereum.SyncProgress{} }
func (b testBackend) SuggestGasTipCap(ctx context.Context) (*big.Int, error) {
return big.NewInt(0), nil
}
func (b testBackend) FeeHistory(ctx context.Context, blockCount uint64, lastBlock rpc.BlockNumber, rewardPercentiles []float64) (*big.Int, [][]*big.Int, []*big.Int, []float64, error) {
return nil, nil, nil, nil, nil
}
func (b testBackend) ChainDb() ethdb.Database { return b.db }
func (b testBackend) AccountManager() *accounts.Manager { return nil }
func (b testBackend) ExtRPCEnabled() bool { return false }
func (b testBackend) RPCGasCap() uint64 { return 10000000 }
func (b testBackend) RPCEVMTimeout() time.Duration { return time.Second }
func (b testBackend) RPCTxFeeCap() float64 { return 0 }
func (b testBackend) UnprotectedAllowed() bool { return false }
func (b testBackend) SetHead(number uint64) {}
func (b testBackend) HeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Header, error) {
if number == rpc.LatestBlockNumber {
return b.chain.CurrentBlock(), nil
}
return b.chain.GetHeaderByNumber(uint64(number)), nil
}
func (b testBackend) HeaderByHash(ctx context.Context, hash common.Hash) (*types.Header, error) {
panic("implement me")
}
func (b testBackend) HeaderByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*types.Header, error) {
panic("implement me")
}
func (b testBackend) CurrentHeader() *types.Header { panic("implement me") }
func (b testBackend) CurrentBlock() *types.Header { panic("implement me") }
func (b testBackend) BlockByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Block, error) {
if number == rpc.LatestBlockNumber {
head := b.chain.CurrentBlock()
return b.chain.GetBlock(head.Hash(), head.Number.Uint64()), nil
}
return b.chain.GetBlockByNumber(uint64(number)), nil
}
func (b testBackend) BlockByHash(ctx context.Context, hash common.Hash) (*types.Block, error) {
panic("implement me")
}
func (b testBackend) BlockByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*types.Block, error) {
if blockNr, ok := blockNrOrHash.Number(); ok {
return b.BlockByNumber(ctx, blockNr)
}
panic("implement me")
}
func (b testBackend) GetBody(ctx context.Context, hash common.Hash, number rpc.BlockNumber) (*types.Body, error) {
return b.chain.GetBlock(hash, uint64(number.Int64())).Body(), nil
}
func (b testBackend) StateAndHeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*state.StateDB, *types.Header, error) {
if number == rpc.PendingBlockNumber {
panic("pending state not implemented")
}
header, err := b.HeaderByNumber(ctx, number)
if err != nil {
return nil, nil, err
}
if header == nil {
return nil, nil, errors.New("header not found")
}
stateDb, err := b.chain.StateAt(header.Root)
return stateDb, header, err
}
func (b testBackend) StateAndHeaderByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*state.StateDB, *types.Header, error) {
if blockNr, ok := blockNrOrHash.Number(); ok {
return b.StateAndHeaderByNumber(ctx, blockNr)
}
panic("only implemented for number")
}
func (b testBackend) PendingBlockAndReceipts() (*types.Block, types.Receipts) { panic("implement me") }
func (b testBackend) GetReceipts(ctx context.Context, hash common.Hash) (types.Receipts, error) {
panic("implement me")
}
func (b testBackend) GetTd(ctx context.Context, hash common.Hash) *big.Int { panic("implement me") }
func (b testBackend) GetEVM(ctx context.Context, msg *core.Message, state *state.StateDB, header *types.Header, vmConfig *vm.Config, blockContext *vm.BlockContext) (*vm.EVM, func() error, error) {
vmError := func() error { return nil }
if vmConfig == nil {
vmConfig = b.chain.GetVMConfig()
}
txContext := core.NewEVMTxContext(msg)
context := core.NewEVMBlockContext(header, b.chain, nil)
if blockContext != nil {
context = *blockContext
}
return vm.NewEVM(context, txContext, state, b.chain.Config(), *vmConfig), vmError, nil
}
func (b testBackend) SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription {
panic("implement me")
}
func (b testBackend) SubscribeChainHeadEvent(ch chan<- core.ChainHeadEvent) event.Subscription {
panic("implement me")
}
func (b testBackend) SubscribeChainSideEvent(ch chan<- core.ChainSideEvent) event.Subscription {
panic("implement me")
}
func (b testBackend) SendTx(ctx context.Context, signedTx *types.Transaction) error {
panic("implement me")
}
func (b testBackend) GetTransaction(ctx context.Context, txHash common.Hash) (*types.Transaction, common.Hash, uint64, uint64, error) {
panic("implement me")
}
func (b testBackend) GetPoolTransactions() (types.Transactions, error) { panic("implement me") }
func (b testBackend) GetPoolTransaction(txHash common.Hash) *types.Transaction { panic("implement me") }
func (b testBackend) GetPoolNonce(ctx context.Context, addr common.Address) (uint64, error) {
panic("implement me")
}
func (b testBackend) Stats() (pending int, queued int) { panic("implement me") }
func (b testBackend) TxPoolContent() (map[common.Address]types.Transactions, map[common.Address]types.Transactions) {
panic("implement me")
}
func (b testBackend) TxPoolContentFrom(addr common.Address) (types.Transactions, types.Transactions) {
panic("implement me")
}
func (b testBackend) SubscribeNewTxsEvent(events chan<- core.NewTxsEvent) event.Subscription {
panic("implement me")
}
func (b testBackend) ChainConfig() *params.ChainConfig { return b.chain.Config() }
func (b testBackend) Engine() consensus.Engine { return b.chain.Engine() }
func (b testBackend) GetLogs(ctx context.Context, blockHash common.Hash, number uint64) ([][]*types.Log, error) {
panic("implement me")
}
func (b testBackend) SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEvent) event.Subscription {
panic("implement me")
}
func (b testBackend) SubscribeLogsEvent(ch chan<- []*types.Log) event.Subscription {
panic("implement me")
}
func (b testBackend) SubscribePendingLogsEvent(ch chan<- []*types.Log) event.Subscription {
panic("implement me")
}
func (b testBackend) BloomStatus() (uint64, uint64) { panic("implement me") }
func (b testBackend) ServiceFilter(ctx context.Context, session *bloombits.MatcherSession) {
panic("implement me")
}
func TestEstimateGas(t *testing.T) {
t.Parallel()
// Initialize test accounts
var (
accounts = newAccounts(2)
genesis = &core.Genesis{
Config: params.TestChainConfig,
Alloc: core.GenesisAlloc{
accounts[0].addr: {Balance: big.NewInt(params.Ether)},
accounts[1].addr: {Balance: big.NewInt(params.Ether)},
},
}
genBlocks = 10
signer = types.HomesteadSigner{}
randomAccounts = newAccounts(2)
)
api := NewBlockChainAPI(newTestBackend(t, genBlocks, genesis, func(i int, b *core.BlockGen) {
// Transfer from account[0] to account[1]
// value: 1000 wei
// fee: 0 wei
tx, _ := types.SignTx(types.NewTx(&types.LegacyTx{Nonce: uint64(i), To: &accounts[1].addr, Value: big.NewInt(1000), Gas: params.TxGas, GasPrice: b.BaseFee(), Data: nil}), signer, accounts[0].key)
b.AddTx(tx)
}))
var testSuite = []struct {
blockNumber rpc.BlockNumber
call TransactionArgs
expectErr error
want uint64
}{
// simple transfer on latest block
{
blockNumber: rpc.LatestBlockNumber,
call: TransactionArgs{
From: &accounts[0].addr,
To: &accounts[1].addr,
Value: (*hexutil.Big)(big.NewInt(1000)),
},
expectErr: nil,
want: 21000,
},
// simple transfer with insufficient funds on latest block
{
blockNumber: rpc.LatestBlockNumber,
call: TransactionArgs{
From: &randomAccounts[0].addr,
To: &accounts[1].addr,
Value: (*hexutil.Big)(big.NewInt(1000)),
},
expectErr: core.ErrInsufficientFunds,
want: 21000,
},
// empty create
{
blockNumber: rpc.LatestBlockNumber,
call: TransactionArgs{},
expectErr: nil,
want: 53000,
},
}
for i, tc := range testSuite {
result, err := api.EstimateGas(context.Background(), tc.call, &rpc.BlockNumberOrHash{BlockNumber: &tc.blockNumber})
if tc.expectErr != nil {
if err == nil {
t.Errorf("test %d: want error %v, have nothing", i, tc.expectErr)
continue
}
if !errors.Is(err, tc.expectErr) {
t.Errorf("test %d: error mismatch, want %v, have %v", i, tc.expectErr, err)
}
continue
}
if err != nil {
t.Errorf("test %d: want no error, have %v", i, err)
continue
}
if uint64(result) != tc.want {
t.Errorf("test %d, result mismatch, have\n%v\n, want\n%v\n", i, uint64(result), tc.want)
}
}
}
func TestCall(t *testing.T) {
t.Parallel()
// Initialize test accounts
var (
accounts = newAccounts(3)
genesis = &core.Genesis{
Config: params.TestChainConfig,
Alloc: core.GenesisAlloc{
accounts[0].addr: {Balance: big.NewInt(params.Ether)},
accounts[1].addr: {Balance: big.NewInt(params.Ether)},
accounts[2].addr: {Balance: big.NewInt(params.Ether)},
},
}
genBlocks = 10
signer = types.HomesteadSigner{}
)
api := NewBlockChainAPI(newTestBackend(t, genBlocks, genesis, func(i int, b *core.BlockGen) {
// Transfer from account[0] to account[1]
// value: 1000 wei
// fee: 0 wei
tx, _ := types.SignTx(types.NewTx(&types.LegacyTx{Nonce: uint64(i), To: &accounts[1].addr, Value: big.NewInt(1000), Gas: params.TxGas, GasPrice: b.BaseFee(), Data: nil}), signer, accounts[0].key)
b.AddTx(tx)
}))
randomAccounts := newAccounts(3)
var testSuite = []struct {
blockNumber rpc.BlockNumber
overrides StateOverride
call TransactionArgs
blockOverrides BlockOverrides
expectErr error
want string
}{
// transfer on genesis
{
blockNumber: rpc.BlockNumber(0),
call: TransactionArgs{
From: &accounts[0].addr,
To: &accounts[1].addr,
Value: (*hexutil.Big)(big.NewInt(1000)),
},
expectErr: nil,
want: "0x",
},
// transfer on the head
{
blockNumber: rpc.BlockNumber(genBlocks),
call: TransactionArgs{
From: &accounts[0].addr,
To: &accounts[1].addr,
Value: (*hexutil.Big)(big.NewInt(1000)),
},
expectErr: nil,
want: "0x",
},
// transfer on a non-existent block, error expects
{
blockNumber: rpc.BlockNumber(genBlocks + 1),
call: TransactionArgs{
From: &accounts[0].addr,
To: &accounts[1].addr,
Value: (*hexutil.Big)(big.NewInt(1000)),
},
expectErr: errors.New("header not found"),
},
// transfer on the latest block
{
blockNumber: rpc.LatestBlockNumber,
call: TransactionArgs{
From: &accounts[0].addr,
To: &accounts[1].addr,
Value: (*hexutil.Big)(big.NewInt(1000)),
},
expectErr: nil,
want: "0x",
},
// Call which can only succeed if state is state overridden
{
blockNumber: rpc.LatestBlockNumber,
call: TransactionArgs{
From: &randomAccounts[0].addr,
To: &randomAccounts[1].addr,
Value: (*hexutil.Big)(big.NewInt(1000)),
},
overrides: StateOverride{
randomAccounts[0].addr: OverrideAccount{Balance: newRPCBalance(new(big.Int).Mul(big.NewInt(1), big.NewInt(params.Ether)))},
},
want: "0x",
},
// Invalid call without state overriding
{
blockNumber: rpc.LatestBlockNumber,
call: TransactionArgs{
From: &randomAccounts[0].addr,
To: &randomAccounts[1].addr,
Value: (*hexutil.Big)(big.NewInt(1000)),
},
expectErr: core.ErrInsufficientFunds,
},
// Successful simple contract call
//
// // SPDX-License-Identifier: GPL-3.0
//
// pragma solidity >=0.7.0 <0.8.0;
//
// /**
// * @title Storage
// * @dev Store & retrieve value in a variable
// */
// contract Storage {
// uint256 public number;
// constructor() {
// number = block.number;
// }
// }
{
blockNumber: rpc.LatestBlockNumber,
call: TransactionArgs{
From: &randomAccounts[0].addr,
To: &randomAccounts[2].addr,
Data: hex2Bytes("8381f58a"), // call number()
},
overrides: StateOverride{
randomAccounts[2].addr: OverrideAccount{
Code: hex2Bytes("6080604052348015600f57600080fd5b506004361060285760003560e01c80638381f58a14602d575b600080fd5b60336049565b6040518082815260200191505060405180910390f35b6000548156fea2646970667358221220eab35ffa6ab2adfe380772a48b8ba78e82a1b820a18fcb6f59aa4efb20a5f60064736f6c63430007040033"),
StateDiff: &map[common.Hash]common.Hash{common.Hash{}: common.BigToHash(big.NewInt(123))},
},
},
want: "0x000000000000000000000000000000000000000000000000000000000000007b",
},
// Block overrides should work
{
blockNumber: rpc.LatestBlockNumber,
call: TransactionArgs{
From: &accounts[1].addr,
Input: &hexutil.Bytes{
0x43, // NUMBER
0x60, 0x00, 0x52, // MSTORE offset 0
0x60, 0x20, 0x60, 0x00, 0xf3,
},
},
blockOverrides: BlockOverrides{Number: (*hexutil.Big)(big.NewInt(11))},
want: "0x000000000000000000000000000000000000000000000000000000000000000b",
},
}
for i, tc := range testSuite {
result, err := api.Call(context.Background(), tc.call, rpc.BlockNumberOrHash{BlockNumber: &tc.blockNumber}, &tc.overrides, &tc.blockOverrides)
if tc.expectErr != nil {
if err == nil {
t.Errorf("test %d: want error %v, have nothing", i, tc.expectErr)
continue
}
if !errors.Is(err, tc.expectErr) {
// Second try
if !reflect.DeepEqual(err, tc.expectErr) {
t.Errorf("test %d: error mismatch, want %v, have %v", i, tc.expectErr, err)
}
}
continue
}
if err != nil {
t.Errorf("test %d: want no error, have %v", i, err)
continue
}
if !reflect.DeepEqual(result.String(), tc.want) {
t.Errorf("test %d, result mismatch, have\n%v\n, want\n%v\n", i, result.String(), tc.want)
}
}
}
type Account struct {
key *ecdsa.PrivateKey
addr common.Address
}
type Accounts []Account
func (a Accounts) Len() int { return len(a) }
func (a Accounts) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
func (a Accounts) Less(i, j int) bool { return bytes.Compare(a[i].addr.Bytes(), a[j].addr.Bytes()) < 0 }
func newAccounts(n int) (accounts Accounts) {
for i := 0; i < n; i++ {
key, _ := crypto.GenerateKey()
addr := crypto.PubkeyToAddress(key.PublicKey)
accounts = append(accounts, Account{key: key, addr: addr})
}
sort.Sort(accounts)
return accounts
}
func newRPCBalance(balance *big.Int) **hexutil.Big {
rpcBalance := (*hexutil.Big)(balance)
return &rpcBalance
}
func hex2Bytes(str string) *hexutil.Bytes {
rpcBytes := hexutil.Bytes(common.Hex2Bytes(str))
return &rpcBytes
}