344 lines
9.7 KiB
Go
344 lines
9.7 KiB
Go
// Copyright 2015 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 tests
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import (
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"bufio"
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"bytes"
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"fmt"
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"math/big"
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"math/rand"
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"os"
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"path/filepath"
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"reflect"
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"strings"
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"testing"
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"time"
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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/eth/tracers/logger"
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"github.com/holiman/uint256"
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)
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func initMatcher(st *testMatcher) {
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// Long tests:
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st.slow(`^stAttackTest/ContractCreationSpam`)
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st.slow(`^stBadOpcode/badOpcodes`)
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st.slow(`^stPreCompiledContracts/modexp`)
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st.slow(`^stQuadraticComplexityTest/`)
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st.slow(`^stStaticCall/static_Call50000`)
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st.slow(`^stStaticCall/static_Return50000`)
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st.slow(`^stSystemOperationsTest/CallRecursiveBomb`)
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st.slow(`^stTransactionTest/Opcodes_TransactionInit`)
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// Very time consuming
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st.skipLoad(`^stTimeConsuming/`)
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st.skipLoad(`.*vmPerformance/loop.*`)
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// Uses 1GB RAM per tested fork
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st.skipLoad(`^stStaticCall/static_Call1MB`)
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// Broken tests:
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// EOF is not part of cancun
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st.skipLoad(`^stEOF/`)
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}
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func TestState(t *testing.T) {
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t.Parallel()
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st := new(testMatcher)
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initMatcher(st)
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for _, dir := range []string{
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filepath.Join(baseDir, "EIPTests", "StateTests"),
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stateTestDir,
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benchmarksDir,
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} {
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st.walk(t, dir, func(t *testing.T, name string, test *StateTest) {
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execStateTest(t, st, test)
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})
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}
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}
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// TestLegacyState tests some older tests, which were moved to the folder
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// 'LegacyTests' for the Istanbul fork.
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func TestLegacyState(t *testing.T) {
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st := new(testMatcher)
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initMatcher(st)
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st.walk(t, legacyStateTestDir, func(t *testing.T, name string, test *StateTest) {
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execStateTest(t, st, test)
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})
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}
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// TestExecutionSpecState runs the test fixtures from execution-spec-tests.
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func TestExecutionSpecState(t *testing.T) {
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if !common.FileExist(executionSpecStateTestDir) {
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t.Skipf("directory %s does not exist", executionSpecStateTestDir)
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}
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st := new(testMatcher)
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st.walk(t, executionSpecStateTestDir, func(t *testing.T, name string, test *StateTest) {
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execStateTest(t, st, test)
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})
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}
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func execStateTest(t *testing.T, st *testMatcher, test *StateTest) {
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for _, subtest := range test.Subtests() {
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subtest := subtest
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key := fmt.Sprintf("%s/%d", subtest.Fork, subtest.Index)
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// If -short flag is used, we don't execute all four permutations, only
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// one.
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executionMask := 0xf
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if testing.Short() {
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executionMask = (1 << (rand.Int63() & 4))
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}
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t.Run(key+"/hash/trie", func(t *testing.T) {
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if executionMask&0x1 == 0 {
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t.Skip("test (randomly) skipped due to short-tag")
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}
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withTrace(t, test.gasLimit(subtest), func(vmconfig vm.Config) error {
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var result error
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test.Run(subtest, vmconfig, false, rawdb.HashScheme, func(err error, state *StateTestState) {
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result = st.checkFailure(t, err)
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})
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return result
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})
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})
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t.Run(key+"/hash/snap", func(t *testing.T) {
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if executionMask&0x2 == 0 {
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t.Skip("test (randomly) skipped due to short-tag")
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}
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withTrace(t, test.gasLimit(subtest), func(vmconfig vm.Config) error {
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var result error
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test.Run(subtest, vmconfig, true, rawdb.HashScheme, func(err error, state *StateTestState) {
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if state.Snapshots != nil && state.StateDB != nil {
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if _, err := state.Snapshots.Journal(state.StateDB.IntermediateRoot(false)); err != nil {
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result = err
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return
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}
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}
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result = st.checkFailure(t, err)
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})
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return result
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})
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})
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t.Run(key+"/path/trie", func(t *testing.T) {
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if executionMask&0x4 == 0 {
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t.Skip("test (randomly) skipped due to short-tag")
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}
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withTrace(t, test.gasLimit(subtest), func(vmconfig vm.Config) error {
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var result error
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test.Run(subtest, vmconfig, false, rawdb.PathScheme, func(err error, state *StateTestState) {
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result = st.checkFailure(t, err)
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})
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return result
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})
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})
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t.Run(key+"/path/snap", func(t *testing.T) {
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if executionMask&0x8 == 0 {
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t.Skip("test (randomly) skipped due to short-tag")
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}
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withTrace(t, test.gasLimit(subtest), func(vmconfig vm.Config) error {
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var result error
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test.Run(subtest, vmconfig, true, rawdb.PathScheme, func(err error, state *StateTestState) {
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if state.Snapshots != nil && state.StateDB != nil {
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if _, err := state.Snapshots.Journal(state.StateDB.IntermediateRoot(false)); err != nil {
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result = err
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return
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}
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}
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result = st.checkFailure(t, err)
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})
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return result
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})
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})
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}
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}
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// Transactions with gasLimit above this value will not get a VM trace on failure.
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const traceErrorLimit = 400000
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func withTrace(t *testing.T, gasLimit uint64, test func(vm.Config) error) {
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// Use config from command line arguments.
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config := vm.Config{}
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err := test(config)
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if err == nil {
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return
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}
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// Test failed, re-run with tracing enabled.
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t.Error(err)
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if gasLimit > traceErrorLimit {
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t.Log("gas limit too high for EVM trace")
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return
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}
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buf := new(bytes.Buffer)
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w := bufio.NewWriter(buf)
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config.Tracer = logger.NewJSONLogger(&logger.Config{}, w)
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err2 := test(config)
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if !reflect.DeepEqual(err, err2) {
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t.Errorf("different error for second run: %v", err2)
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}
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w.Flush()
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if buf.Len() == 0 {
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t.Log("no EVM operation logs generated")
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} else {
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t.Log("EVM operation log:\n" + buf.String())
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}
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// t.Logf("EVM output: 0x%x", tracer.Output())
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// t.Logf("EVM error: %v", tracer.Error())
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}
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func BenchmarkEVM(b *testing.B) {
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// Walk the directory.
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dir := benchmarksDir
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dirinfo, err := os.Stat(dir)
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if os.IsNotExist(err) || !dirinfo.IsDir() {
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fmt.Fprintf(os.Stderr, "can't find test files in %s, did you clone the evm-benchmarks submodule?\n", dir)
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b.Skip("missing test files")
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}
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err = filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
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if info.IsDir() {
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return nil
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}
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if ext := filepath.Ext(path); ext == ".json" {
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name := filepath.ToSlash(strings.TrimPrefix(strings.TrimSuffix(path, ext), dir+string(filepath.Separator)))
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b.Run(name, func(b *testing.B) { runBenchmarkFile(b, path) })
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}
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return nil
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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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}
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func runBenchmarkFile(b *testing.B, path string) {
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m := make(map[string]StateTest)
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if err := readJSONFile(path, &m); err != nil {
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b.Fatal(err)
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return
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}
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if len(m) != 1 {
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b.Fatal("expected single benchmark in a file")
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return
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}
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for _, t := range m {
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t := t
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runBenchmark(b, &t)
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}
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}
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func runBenchmark(b *testing.B, t *StateTest) {
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for _, subtest := range t.Subtests() {
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subtest := subtest
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key := fmt.Sprintf("%s/%d", subtest.Fork, subtest.Index)
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b.Run(key, func(b *testing.B) {
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vmconfig := vm.Config{}
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config, eips, err := GetChainConfig(subtest.Fork)
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if err != nil {
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b.Error(err)
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return
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}
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var rules = config.Rules(new(big.Int), false, 0)
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vmconfig.ExtraEips = eips
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block := t.genesis(config).ToBlock()
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state := MakePreState(rawdb.NewMemoryDatabase(), t.json.Pre, false, rawdb.HashScheme)
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defer state.Close()
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var baseFee *big.Int
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if rules.IsLondon {
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baseFee = t.json.Env.BaseFee
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if baseFee == nil {
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// Retesteth uses `0x10` for genesis baseFee. Therefore, it defaults to
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// parent - 2 : 0xa as the basefee for 'this' context.
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baseFee = big.NewInt(0x0a)
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}
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}
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post := t.json.Post[subtest.Fork][subtest.Index]
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msg, err := t.json.Tx.toMessage(post, baseFee)
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if err != nil {
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b.Error(err)
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return
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}
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// Try to recover tx with current signer
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if len(post.TxBytes) != 0 {
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var ttx types.Transaction
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err := ttx.UnmarshalBinary(post.TxBytes)
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if err != nil {
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b.Error(err)
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return
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}
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if _, err := types.Sender(types.LatestSigner(config), &ttx); err != nil {
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b.Error(err)
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return
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}
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}
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// Prepare the EVM.
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txContext := core.NewEVMTxContext(msg)
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context := core.NewEVMBlockContext(block.Header(), nil, &t.json.Env.Coinbase)
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context.GetHash = vmTestBlockHash
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context.BaseFee = baseFee
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evm := vm.NewEVM(context, txContext, state.StateDB, config, vmconfig)
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// Create "contract" for sender to cache code analysis.
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sender := vm.NewContract(vm.AccountRef(msg.From), vm.AccountRef(msg.From),
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nil, 0)
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var (
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gasUsed uint64
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elapsed uint64
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refund uint64
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)
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b.ResetTimer()
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for n := 0; n < b.N; n++ {
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snapshot := state.StateDB.Snapshot()
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state.StateDB.Prepare(rules, msg.From, context.Coinbase, msg.To, vm.ActivePrecompiles(rules), msg.AccessList)
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b.StartTimer()
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start := time.Now()
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// Execute the message.
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_, leftOverGas, err := evm.Call(sender, *msg.To, msg.Data, msg.GasLimit, uint256.MustFromBig(msg.Value))
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if err != nil {
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b.Error(err)
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return
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}
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b.StopTimer()
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elapsed += uint64(time.Since(start))
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refund += state.StateDB.GetRefund()
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gasUsed += msg.GasLimit - leftOverGas
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state.StateDB.RevertToSnapshot(snapshot)
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}
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if elapsed < 1 {
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elapsed = 1
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}
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// Keep it as uint64, multiply 100 to get two digit float later
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mgasps := (100 * 1000 * (gasUsed - refund)) / elapsed
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b.ReportMetric(float64(mgasps)/100, "mgas/s")
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})
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}
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}
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