2b57a27d9e
This PR changes the API so that uint64 is used for fork timestamps. It's a good choice because types.Header also uses uint64 for time. Co-authored-by: Felix Lange <fjl@twurst.com>
112 lines
3.5 KiB
Go
112 lines
3.5 KiB
Go
// Copyright 2017 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 tracers
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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/core"
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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/eth/tracers/logger"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/tests"
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)
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func BenchmarkTransactionTrace(b *testing.B) {
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key, _ := crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
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from := crypto.PubkeyToAddress(key.PublicKey)
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gas := uint64(1000000) // 1M gas
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to := common.HexToAddress("0x00000000000000000000000000000000deadbeef")
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signer := types.LatestSignerForChainID(big.NewInt(1337))
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tx, err := types.SignNewTx(key, signer,
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&types.LegacyTx{
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Nonce: 1,
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GasPrice: big.NewInt(500),
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Gas: gas,
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To: &to,
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})
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if err != nil {
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b.Fatal(err)
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}
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txContext := vm.TxContext{
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Origin: from,
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GasPrice: tx.GasPrice(),
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}
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context := vm.BlockContext{
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CanTransfer: core.CanTransfer,
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Transfer: core.Transfer,
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Coinbase: common.Address{},
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BlockNumber: new(big.Int).SetUint64(uint64(5)),
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Time: 5,
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Difficulty: big.NewInt(0xffffffff),
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GasLimit: gas,
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BaseFee: big.NewInt(8),
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}
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alloc := core.GenesisAlloc{}
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// The code pushes 'deadbeef' into memory, then the other params, and calls CREATE2, then returns
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// the address
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loop := []byte{
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byte(vm.JUMPDEST), // [ count ]
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byte(vm.PUSH1), 0, // jumpdestination
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byte(vm.JUMP),
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}
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alloc[common.HexToAddress("0x00000000000000000000000000000000deadbeef")] = core.GenesisAccount{
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Nonce: 1,
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Code: loop,
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Balance: big.NewInt(1),
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}
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alloc[from] = core.GenesisAccount{
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Nonce: 1,
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Code: []byte{},
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Balance: big.NewInt(500000000000000),
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}
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_, statedb := tests.MakePreState(rawdb.NewMemoryDatabase(), alloc, false)
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// Create the tracer, the EVM environment and run it
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tracer := logger.NewStructLogger(&logger.Config{
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Debug: false,
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//DisableStorage: true,
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//EnableMemory: false,
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//EnableReturnData: false,
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})
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evm := vm.NewEVM(context, txContext, statedb, params.AllEthashProtocolChanges, vm.Config{Debug: true, Tracer: tracer})
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msg, err := tx.AsMessage(signer, nil)
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if err != nil {
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b.Fatalf("failed to prepare transaction for tracing: %v", err)
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}
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b.ResetTimer()
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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snap := statedb.Snapshot()
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st := core.NewStateTransition(evm, msg, new(core.GasPool).AddGas(tx.Gas()))
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_, err = st.TransitionDb()
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if err != nil {
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b.Fatal(err)
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}
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statedb.RevertToSnapshot(snap)
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if have, want := len(tracer.StructLogs()), 244752; have != want {
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b.Fatalf("trace wrong, want %d steps, have %d", want, have)
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}
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tracer.Reset()
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}
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}
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