290 lines
13 KiB
Go
290 lines
13 KiB
Go
// Copyright 2020 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 core
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import (
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"math/big"
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"testing"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/consensus"
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"github.com/ethereum/go-ethereum/consensus/ethash"
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"github.com/ethereum/go-ethereum/consensus/misc"
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"github.com/ethereum/go-ethereum/core/rawdb"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/trie"
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"golang.org/x/crypto/sha3"
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)
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// TestStateProcessorErrors tests the output from the 'core' errors
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// as defined in core/error.go. These errors are generated when the
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// blockchain imports bad blocks, meaning blocks which have valid headers but
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// contain invalid transactions
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func TestStateProcessorErrors(t *testing.T) {
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var (
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config = ¶ms.ChainConfig{
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ChainID: big.NewInt(1),
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HomesteadBlock: big.NewInt(0),
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EIP150Block: big.NewInt(0),
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EIP155Block: big.NewInt(0),
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EIP158Block: big.NewInt(0),
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ByzantiumBlock: big.NewInt(0),
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ConstantinopleBlock: big.NewInt(0),
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PetersburgBlock: big.NewInt(0),
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IstanbulBlock: big.NewInt(0),
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MuirGlacierBlock: big.NewInt(0),
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BerlinBlock: big.NewInt(0),
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LondonBlock: big.NewInt(0),
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Ethash: new(params.EthashConfig),
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}
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signer = types.LatestSigner(config)
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testKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
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)
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var makeTx = func(nonce uint64, to common.Address, amount *big.Int, gasLimit uint64, gasPrice *big.Int, data []byte) *types.Transaction {
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tx, _ := types.SignTx(types.NewTransaction(nonce, to, amount, gasLimit, gasPrice, data), signer, testKey)
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return tx
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}
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var mkDynamicTx = func(nonce uint64, to common.Address, gasLimit uint64, gasTipCap, gasFeeCap *big.Int) *types.Transaction {
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tx, _ := types.SignTx(types.NewTx(&types.DynamicFeeTx{
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Nonce: nonce,
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GasTipCap: gasTipCap,
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GasFeeCap: gasFeeCap,
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Gas: gasLimit,
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To: &to,
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Value: big.NewInt(0),
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}), signer, testKey)
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return tx
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}
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{ // Tests against a 'recent' chain definition
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var (
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db = rawdb.NewMemoryDatabase()
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gspec = &Genesis{
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Config: config,
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Alloc: GenesisAlloc{
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common.HexToAddress("0x71562b71999873DB5b286dF957af199Ec94617F7"): GenesisAccount{
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Balance: big.NewInt(1000000000000000000), // 1 ether
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Nonce: 0,
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},
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},
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}
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genesis = gspec.MustCommit(db)
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blockchain, _ = NewBlockChain(db, nil, gspec.Config, ethash.NewFaker(), vm.Config{}, nil, nil)
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)
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defer blockchain.Stop()
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bigNumber := new(big.Int).SetBytes(common.FromHex("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"))
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tooBigNumber := new(big.Int).Set(bigNumber)
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tooBigNumber.Add(tooBigNumber, common.Big1)
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for i, tt := range []struct {
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txs []*types.Transaction
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want string
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}{
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{ // ErrNonceTooLow
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txs: []*types.Transaction{
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makeTx(0, common.Address{}, big.NewInt(0), params.TxGas, big.NewInt(875000000), nil),
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makeTx(0, common.Address{}, big.NewInt(0), params.TxGas, big.NewInt(875000000), nil),
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},
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want: "could not apply tx 1 [0x0026256b3939ed97e2c4a6f3fce8ecf83bdcfa6d507c47838c308a1fb0436f62]: nonce too low: address 0x71562b71999873DB5b286dF957af199Ec94617F7, tx: 0 state: 1",
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},
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{ // ErrNonceTooHigh
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txs: []*types.Transaction{
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makeTx(100, common.Address{}, big.NewInt(0), params.TxGas, big.NewInt(875000000), nil),
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},
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want: "could not apply tx 0 [0xdebad714ca7f363bd0d8121c4518ad48fa469ca81b0a081be3d10c17460f751b]: nonce too high: address 0x71562b71999873DB5b286dF957af199Ec94617F7, tx: 100 state: 0",
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},
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{ // ErrGasLimitReached
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txs: []*types.Transaction{
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makeTx(0, common.Address{}, big.NewInt(0), 21000000, big.NewInt(875000000), nil),
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},
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want: "could not apply tx 0 [0xbd49d8dadfd47fb846986695f7d4da3f7b2c48c8da82dbc211a26eb124883de9]: gas limit reached",
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},
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{ // ErrInsufficientFundsForTransfer
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txs: []*types.Transaction{
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makeTx(0, common.Address{}, big.NewInt(1000000000000000000), params.TxGas, big.NewInt(875000000), nil),
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},
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want: "could not apply tx 0 [0x98c796b470f7fcab40aaef5c965a602b0238e1034cce6fb73823042dd0638d74]: insufficient funds for transfer: address 0x71562b71999873DB5b286dF957af199Ec94617F7",
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},
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{ // ErrInsufficientFunds
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txs: []*types.Transaction{
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makeTx(0, common.Address{}, big.NewInt(0), params.TxGas, big.NewInt(900000000000000000), nil),
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},
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want: "could not apply tx 0 [0x4a69690c4b0cd85e64d0d9ea06302455b01e10a83db964d60281739752003440]: insufficient funds for gas * price + value: address 0x71562b71999873DB5b286dF957af199Ec94617F7 have 1000000000000000000 want 18900000000000000000000",
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},
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// ErrGasUintOverflow
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// One missing 'core' error is ErrGasUintOverflow: "gas uint64 overflow",
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// In order to trigger that one, we'd have to allocate a _huge_ chunk of data, such that the
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// multiplication len(data) +gas_per_byte overflows uint64. Not testable at the moment
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{ // ErrIntrinsicGas
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txs: []*types.Transaction{
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makeTx(0, common.Address{}, big.NewInt(0), params.TxGas-1000, big.NewInt(875000000), nil),
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},
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want: "could not apply tx 0 [0xcf3b049a0b516cb4f9274b3e2a264359e2ba53b2fb64b7bda2c634d5c9d01fca]: intrinsic gas too low: have 20000, want 21000",
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},
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{ // ErrGasLimitReached
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txs: []*types.Transaction{
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makeTx(0, common.Address{}, big.NewInt(0), params.TxGas*1000, big.NewInt(875000000), nil),
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},
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want: "could not apply tx 0 [0xbd49d8dadfd47fb846986695f7d4da3f7b2c48c8da82dbc211a26eb124883de9]: gas limit reached",
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},
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{ // ErrFeeCapTooLow
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txs: []*types.Transaction{
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mkDynamicTx(0, common.Address{}, params.TxGas, big.NewInt(0), big.NewInt(0)),
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},
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want: "could not apply tx 0 [0xc4ab868fef0c82ae0387b742aee87907f2d0fc528fc6ea0a021459fb0fc4a4a8]: max fee per gas less than block base fee: address 0x71562b71999873DB5b286dF957af199Ec94617F7, maxFeePerGas: 0 baseFee: 875000000",
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},
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{ // ErrTipVeryHigh
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txs: []*types.Transaction{
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mkDynamicTx(0, common.Address{}, params.TxGas, tooBigNumber, big.NewInt(1)),
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},
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want: "could not apply tx 0 [0x15b8391b9981f266b32f3ab7da564bbeb3d6c21628364ea9b32a21139f89f712]: max priority fee per gas higher than 2^256-1: address 0x71562b71999873DB5b286dF957af199Ec94617F7, maxPriorityFeePerGas bit length: 257",
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},
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{ // ErrFeeCapVeryHigh
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txs: []*types.Transaction{
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mkDynamicTx(0, common.Address{}, params.TxGas, big.NewInt(1), tooBigNumber),
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},
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want: "could not apply tx 0 [0x48bc299b83fdb345c57478f239e89814bb3063eb4e4b49f3b6057a69255c16bd]: max fee per gas higher than 2^256-1: address 0x71562b71999873DB5b286dF957af199Ec94617F7, maxFeePerGas bit length: 257",
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},
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{ // ErrTipAboveFeeCap
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txs: []*types.Transaction{
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mkDynamicTx(0, common.Address{}, params.TxGas, big.NewInt(2), big.NewInt(1)),
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},
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want: "could not apply tx 0 [0xf987a31ff0c71895780a7612f965a0c8b056deb54e020bb44fa478092f14c9b4]: max priority fee per gas higher than max fee per gas: address 0x71562b71999873DB5b286dF957af199Ec94617F7, maxPriorityFeePerGas: 2, maxFeePerGas: 1",
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},
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{ // ErrInsufficientFunds
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// Available balance: 1000000000000000000
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// Effective cost: 18375000021000
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// FeeCap * gas: 1050000000000000000
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// This test is designed to have the effective cost be covered by the balance, but
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// the extended requirement on FeeCap*gas < balance to fail
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txs: []*types.Transaction{
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mkDynamicTx(0, common.Address{}, params.TxGas, big.NewInt(1), big.NewInt(50000000000000)),
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},
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want: "could not apply tx 0 [0x413603cd096a87f41b1660d3ed3e27d62e1da78eac138961c0a1314ed43bd129]: insufficient funds for gas * price + value: address 0x71562b71999873DB5b286dF957af199Ec94617F7 have 1000000000000000000 want 1050000000000000000",
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},
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{ // Another ErrInsufficientFunds, this one to ensure that feecap/tip of max u256 is allowed
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txs: []*types.Transaction{
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mkDynamicTx(0, common.Address{}, params.TxGas, bigNumber, bigNumber),
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},
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want: "could not apply tx 0 [0xd82a0c2519acfeac9a948258c47e784acd20651d9d80f9a1c67b4137651c3a24]: insufficient funds for gas * price + value: address 0x71562b71999873DB5b286dF957af199Ec94617F7 have 1000000000000000000 want 2431633873983640103894990685182446064918669677978451844828609264166175722438635000",
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},
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} {
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block := GenerateBadBlock(genesis, ethash.NewFaker(), tt.txs, gspec.Config)
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_, err := blockchain.InsertChain(types.Blocks{block})
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if err == nil {
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t.Fatal("block imported without errors")
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}
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if have, want := err.Error(), tt.want; have != want {
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t.Errorf("test %d:\nhave \"%v\"\nwant \"%v\"\n", i, have, want)
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}
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}
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}
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// One final error is ErrTxTypeNotSupported. For this, we need an older chain
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{
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var (
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db = rawdb.NewMemoryDatabase()
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gspec = &Genesis{
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Config: ¶ms.ChainConfig{
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ChainID: big.NewInt(1),
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HomesteadBlock: big.NewInt(0),
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EIP150Block: big.NewInt(0),
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EIP155Block: big.NewInt(0),
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EIP158Block: big.NewInt(0),
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ByzantiumBlock: big.NewInt(0),
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ConstantinopleBlock: big.NewInt(0),
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PetersburgBlock: big.NewInt(0),
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IstanbulBlock: big.NewInt(0),
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MuirGlacierBlock: big.NewInt(0),
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},
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Alloc: GenesisAlloc{
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common.HexToAddress("0x71562b71999873DB5b286dF957af199Ec94617F7"): GenesisAccount{
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Balance: big.NewInt(1000000000000000000), // 1 ether
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Nonce: 0,
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},
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},
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}
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genesis = gspec.MustCommit(db)
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blockchain, _ = NewBlockChain(db, nil, gspec.Config, ethash.NewFaker(), vm.Config{}, nil, nil)
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)
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defer blockchain.Stop()
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for i, tt := range []struct {
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txs []*types.Transaction
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want string
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}{
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{ // ErrTxTypeNotSupported
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txs: []*types.Transaction{
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mkDynamicTx(0, common.Address{}, params.TxGas-1000, big.NewInt(0), big.NewInt(0)),
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},
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want: "could not apply tx 0 [0x88626ac0d53cb65308f2416103c62bb1f18b805573d4f96a3640bbbfff13c14f]: transaction type not supported",
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},
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} {
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block := GenerateBadBlock(genesis, ethash.NewFaker(), tt.txs, gspec.Config)
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_, err := blockchain.InsertChain(types.Blocks{block})
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if err == nil {
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t.Fatal("block imported without errors")
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}
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if have, want := err.Error(), tt.want; have != want {
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t.Errorf("test %d:\nhave \"%v\"\nwant \"%v\"\n", i, have, want)
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}
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}
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}
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}
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// GenerateBadBlock constructs a "block" which contains the transactions. The transactions are not expected to be
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// valid, and no proper post-state can be made. But from the perspective of the blockchain, the block is sufficiently
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// valid to be considered for import:
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// - valid pow (fake), ancestry, difficulty, gaslimit etc
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func GenerateBadBlock(parent *types.Block, engine consensus.Engine, txs types.Transactions, config *params.ChainConfig) *types.Block {
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header := &types.Header{
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ParentHash: parent.Hash(),
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Coinbase: parent.Coinbase(),
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Difficulty: engine.CalcDifficulty(&fakeChainReader{config}, parent.Time()+10, &types.Header{
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Number: parent.Number(),
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Time: parent.Time(),
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Difficulty: parent.Difficulty(),
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UncleHash: parent.UncleHash(),
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}),
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GasLimit: parent.GasLimit(),
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Number: new(big.Int).Add(parent.Number(), common.Big1),
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Time: parent.Time() + 10,
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UncleHash: types.EmptyUncleHash,
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}
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if config.IsLondon(header.Number) {
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header.BaseFee = misc.CalcBaseFee(config, parent.Header())
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}
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var receipts []*types.Receipt
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// The post-state result doesn't need to be correct (this is a bad block), but we do need something there
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// Preferably something unique. So let's use a combo of blocknum + txhash
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hasher := sha3.NewLegacyKeccak256()
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hasher.Write(header.Number.Bytes())
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var cumulativeGas uint64
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for _, tx := range txs {
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txh := tx.Hash()
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hasher.Write(txh[:])
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receipt := types.NewReceipt(nil, false, cumulativeGas+tx.Gas())
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receipt.TxHash = tx.Hash()
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receipt.GasUsed = tx.Gas()
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receipts = append(receipts, receipt)
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cumulativeGas += tx.Gas()
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}
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header.Root = common.BytesToHash(hasher.Sum(nil))
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// Assemble and return the final block for sealing
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return types.NewBlock(header, txs, nil, receipts, trie.NewStackTrie(nil))
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}
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