mirror of https://github.com/status-im/op-geth.git
153 lines
6.6 KiB
Go
153 lines
6.6 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/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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signer = types.HomesteadSigner{}
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testKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
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db = rawdb.NewMemoryDatabase()
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gspec = &Genesis{
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Config: params.TestChainConfig,
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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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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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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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{
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txs: []*types.Transaction{
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makeTx(0, common.Address{}, big.NewInt(0), params.TxGas, nil, nil),
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makeTx(0, common.Address{}, big.NewInt(0), params.TxGas, nil, nil),
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},
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want: "could not apply tx 1 [0x36bfa6d14f1cd35a1be8cc2322982a595fabc0e799f09c1de3bad7bd5b1f7626]: nonce too low: address 0x71562b71999873DB5b286dF957af199Ec94617F7, tx: 0 state: 1",
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},
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{
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txs: []*types.Transaction{
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makeTx(100, common.Address{}, big.NewInt(0), params.TxGas, nil, nil),
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},
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want: "could not apply tx 0 [0x51cd272d41ef6011d8138e18bf4043797aca9b713c7d39a97563f9bbe6bdbe6f]: nonce too high: address 0x71562b71999873DB5b286dF957af199Ec94617F7, tx: 100 state: 0",
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},
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{
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txs: []*types.Transaction{
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makeTx(0, common.Address{}, big.NewInt(0), 21000000, nil, nil),
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},
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want: "could not apply tx 0 [0x54c58b530824b0bb84b7a98183f08913b5d74e1cebc368515ef3c65edf8eb56a]: gas limit reached",
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},
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{
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txs: []*types.Transaction{
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makeTx(0, common.Address{}, big.NewInt(1), params.TxGas, nil, nil),
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},
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want: "could not apply tx 0 [0x3094b17498940d92b13baccf356ce8bfd6f221e926abc903d642fa1466c5b50e]: insufficient funds for transfer: address 0x71562b71999873DB5b286dF957af199Ec94617F7",
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},
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{
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txs: []*types.Transaction{
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makeTx(0, common.Address{}, big.NewInt(0), params.TxGas, big.NewInt(0xffffff), nil),
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},
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want: "could not apply tx 0 [0xaa3f7d86802b1f364576d9071bf231e31d61b392d306831ac9cf706ff5371ce0]: insufficient funds for gas * price + value: address 0x71562b71999873DB5b286dF957af199Ec94617F7 have 0 want 352321515000",
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},
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{
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txs: []*types.Transaction{
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makeTx(0, common.Address{}, big.NewInt(0), params.TxGas, nil, nil),
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makeTx(1, common.Address{}, big.NewInt(0), params.TxGas, nil, nil),
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makeTx(2, common.Address{}, big.NewInt(0), params.TxGas, nil, nil),
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makeTx(3, common.Address{}, big.NewInt(0), params.TxGas-1000, big.NewInt(0), nil),
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},
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want: "could not apply tx 3 [0x836fab5882205362680e49b311a20646de03b630920f18ec6ee3b111a2cf6835]: intrinsic gas too low: have 20000, want 21000",
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},
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// The last 'core' error is ErrGasUintOverflow: "gas uint64 overflow", but in order to
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// 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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} {
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block := GenerateBadBlock(genesis, ethash.NewFaker(), tt.txs)
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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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// 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) *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{params.TestChainConfig}, 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: CalcGasLimit(parent, parent.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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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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