mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-25 04:57:17 +00:00
64af2aafda
This implements 1b & 1c of EIP150 by adding a new GasTable which must be returned from the RuleSet config method. This table is used to determine the gas prices for the current epoch. Please note that when the CreateBySuicide gas price is set it is assumed that we're in the new epoch phase. In addition this PR will serve as temporary basis while refactorisation in being done in the EVM64 PR, which will substentially overhaul the gas price code.
236 lines
5.9 KiB
Go
236 lines
5.9 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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"bytes"
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"fmt"
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"io"
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"math/big"
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"strconv"
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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/state"
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/logger/glog"
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"github.com/ethereum/go-ethereum/params"
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)
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func RunVmTestWithReader(r io.Reader, skipTests []string) error {
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tests := make(map[string]VmTest)
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err := readJson(r, &tests)
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if err != nil {
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return err
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}
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if err != nil {
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return err
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}
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if err := runVmTests(tests, skipTests); err != nil {
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return err
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}
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return nil
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}
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type bconf struct {
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name string
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precomp bool
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jit bool
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}
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func BenchVmTest(p string, conf bconf, b *testing.B) error {
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tests := make(map[string]VmTest)
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err := readJsonFile(p, &tests)
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if err != nil {
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return err
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}
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test, ok := tests[conf.name]
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if !ok {
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return fmt.Errorf("test not found: %s", conf.name)
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}
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env := make(map[string]string)
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env["currentCoinbase"] = test.Env.CurrentCoinbase
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env["currentDifficulty"] = test.Env.CurrentDifficulty
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env["currentGasLimit"] = test.Env.CurrentGasLimit
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env["currentNumber"] = test.Env.CurrentNumber
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env["previousHash"] = test.Env.PreviousHash
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if n, ok := test.Env.CurrentTimestamp.(float64); ok {
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env["currentTimestamp"] = strconv.Itoa(int(n))
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} else {
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env["currentTimestamp"] = test.Env.CurrentTimestamp.(string)
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}
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/*
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if conf.precomp {
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program := vm.NewProgram(test.code)
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err := vm.AttachProgram(program)
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if err != nil {
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return err
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}
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}
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*/
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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benchVmTest(test, env, b)
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}
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return nil
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}
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func benchVmTest(test VmTest, env map[string]string, b *testing.B) {
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b.StopTimer()
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db, _ := ethdb.NewMemDatabase()
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statedb := makePreState(db, test.Pre)
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b.StartTimer()
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RunVm(statedb, env, test.Exec)
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}
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func RunVmTest(p string, skipTests []string) error {
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tests := make(map[string]VmTest)
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err := readJsonFile(p, &tests)
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if err != nil {
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return err
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}
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if err := runVmTests(tests, skipTests); err != nil {
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return err
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}
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return nil
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}
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func runVmTests(tests map[string]VmTest, skipTests []string) error {
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skipTest := make(map[string]bool, len(skipTests))
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for _, name := range skipTests {
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skipTest[name] = true
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}
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for name, test := range tests {
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if skipTest[name] {
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glog.Infoln("Skipping VM test", name)
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return nil
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}
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if err := runVmTest(test); err != nil {
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return fmt.Errorf("%s %s", name, err.Error())
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}
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glog.Infoln("VM test passed: ", name)
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//fmt.Println(string(statedb.Dump()))
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}
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return nil
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}
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func runVmTest(test VmTest) error {
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db, _ := ethdb.NewMemDatabase()
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statedb := makePreState(db, test.Pre)
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// XXX Yeah, yeah...
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env := make(map[string]string)
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env["currentCoinbase"] = test.Env.CurrentCoinbase
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env["currentDifficulty"] = test.Env.CurrentDifficulty
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env["currentGasLimit"] = test.Env.CurrentGasLimit
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env["currentNumber"] = test.Env.CurrentNumber
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env["previousHash"] = test.Env.PreviousHash
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if n, ok := test.Env.CurrentTimestamp.(float64); ok {
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env["currentTimestamp"] = strconv.Itoa(int(n))
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} else {
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env["currentTimestamp"] = test.Env.CurrentTimestamp.(string)
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}
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var (
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ret []byte
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gas *big.Int
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err error
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logs vm.Logs
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)
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ret, logs, gas, err = RunVm(statedb, env, test.Exec)
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// Compare expected and actual return
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rexp := common.FromHex(test.Out)
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if bytes.Compare(rexp, ret) != 0 {
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return fmt.Errorf("return failed. Expected %x, got %x\n", rexp, ret)
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}
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// Check gas usage
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if len(test.Gas) == 0 && err == nil {
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return fmt.Errorf("gas unspecified, indicating an error. VM returned (incorrectly) successfull")
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} else {
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gexp := common.Big(test.Gas)
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if gexp.Cmp(gas) != 0 {
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return fmt.Errorf("gas failed. Expected %v, got %v\n", gexp, gas)
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}
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}
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// check post state
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for addr, account := range test.Post {
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obj := statedb.GetStateObject(common.HexToAddress(addr))
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if obj == nil {
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continue
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}
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for addr, value := range account.Storage {
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v := statedb.GetState(obj.Address(), common.HexToHash(addr))
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vexp := common.HexToHash(value)
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if v != vexp {
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return fmt.Errorf("(%x: %s) storage failed. Expected %x, got %x (%v %v)\n", obj.Address().Bytes()[0:4], addr, vexp, v, vexp.Big(), v.Big())
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}
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}
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}
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// check logs
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if len(test.Logs) > 0 {
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lerr := checkLogs(test.Logs, logs)
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if lerr != nil {
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return lerr
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}
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}
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return nil
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}
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func RunVm(state *state.StateDB, env, exec map[string]string) ([]byte, vm.Logs, *big.Int, error) {
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var (
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to = common.HexToAddress(exec["address"])
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from = common.HexToAddress(exec["caller"])
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data = common.FromHex(exec["data"])
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gas = common.Big(exec["gas"])
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price = common.Big(exec["gasPrice"])
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value = common.Big(exec["value"])
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)
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// Reset the pre-compiled contracts for VM tests.
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vm.Precompiled = make(map[string]*vm.PrecompiledAccount)
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caller := state.GetOrNewStateObject(from)
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vmenv := NewEnvFromMap(RuleSet{params.MainNetHomesteadBlock, params.MainNetDAOForkBlock, true, nil}, state, env, exec)
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vmenv.vmTest = true
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vmenv.skipTransfer = true
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vmenv.initial = true
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ret, err := vmenv.Call(caller, to, data, gas, price, value)
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return ret, vmenv.state.Logs(), vmenv.Gas, err
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}
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