2016-04-14 16:18:24 +00:00
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// Copyright 2015 The go-ethereum Authors
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2015-07-22 16:48:40 +00:00
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// This file is part of the go-ethereum library.
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2015-07-07 00:54:22 +00:00
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//
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2015-07-23 16:35:11 +00:00
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// The go-ethereum library is free software: you can redistribute it and/or modify
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2015-07-07 00:54:22 +00:00
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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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2015-07-22 16:48:40 +00:00
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// The go-ethereum library is distributed in the hope that it will be useful,
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2015-07-07 00:54:22 +00:00
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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2015-07-22 16:48:40 +00:00
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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2015-07-07 00:54:22 +00:00
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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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2015-07-22 16:48:40 +00:00
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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2015-07-07 00:54:22 +00:00
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2015-06-10 16:04:56 +00:00
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package tests
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2014-10-14 22:41:00 +00:00
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import (
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"bytes"
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2015-06-10 18:38:39 +00:00
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"fmt"
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2015-06-14 21:55:03 +00:00
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"io"
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2014-12-01 23:03:53 +00:00
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"math/big"
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"strconv"
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2015-07-17 21:09:36 +00:00
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"testing"
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2014-10-14 22:41:00 +00:00
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2015-03-16 10:27:38 +00:00
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"github.com/ethereum/go-ethereum/common"
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2015-03-24 14:15:17 +00:00
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"github.com/ethereum/go-ethereum/core/state"
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2017-01-05 13:03:50 +00:00
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"github.com/ethereum/go-ethereum/core/types"
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2015-06-10 18:38:39 +00:00
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"github.com/ethereum/go-ethereum/core/vm"
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2015-03-17 11:56:29 +00:00
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"github.com/ethereum/go-ethereum/ethdb"
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2015-06-11 17:06:56 +00:00
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"github.com/ethereum/go-ethereum/logger/glog"
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2016-03-01 22:32:43 +00:00
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"github.com/ethereum/go-ethereum/params"
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2014-10-14 22:41:00 +00:00
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)
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2015-06-19 09:38:23 +00:00
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func RunVmTestWithReader(r io.Reader, skipTests []string) error {
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2015-06-14 21:55:03 +00:00
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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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2015-06-10 21:04:06 +00:00
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}
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2015-03-09 10:28:35 +00:00
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2015-06-14 21:55:03 +00:00
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if err != nil {
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return err
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}
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2015-06-19 09:38:23 +00:00
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if err := runVmTests(tests, skipTests); err != nil {
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2015-06-14 21:55:03 +00:00
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return err
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}
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return nil
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}
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2015-07-17 21:09:36 +00:00
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type bconf struct {
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name string
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precomp bool
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2015-08-10 22:27:30 +00:00
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jit bool
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2015-07-17 21:09:36 +00:00
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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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2015-06-14 21:55:03 +00:00
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2015-07-17 21:09:36 +00:00
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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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2016-10-04 10:36:02 +00:00
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statedb := makePreState(db, test.Pre)
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2015-07-17 21:09:36 +00:00
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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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2014-10-14 22:41:00 +00:00
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tests := make(map[string]VmTest)
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2015-06-14 21:55:03 +00:00
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err := readJsonFile(p, &tests)
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2015-06-10 20:10:33 +00:00
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if err != nil {
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return err
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}
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2014-10-14 22:41:00 +00:00
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2015-06-19 09:38:23 +00:00
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if err := runVmTests(tests, skipTests); err != nil {
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2015-06-14 21:55:03 +00:00
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return err
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}
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return nil
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}
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2015-06-19 09:38:23 +00:00
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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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2015-06-14 21:55:03 +00:00
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skipTest[name] = true
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}
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2014-10-14 22:41:00 +00:00
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for name, test := range tests {
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2017-01-05 10:52:10 +00:00
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if skipTest[name] /*|| name != "loop_stacklimit_1021"*/ {
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2015-06-11 17:06:56 +00:00
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glog.Infoln("Skipping VM test", name)
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2017-01-05 10:52:10 +00:00
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continue
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2015-06-10 21:04:06 +00:00
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}
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2015-06-14 21:55:03 +00:00
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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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2014-10-14 22:41:00 +00:00
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}
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2015-06-14 21:55:03 +00:00
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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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2016-10-04 10:36:02 +00:00
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statedb := makePreState(db, test.Pre)
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2014-12-01 23:03:53 +00:00
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2015-06-14 21:55:03 +00:00
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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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2014-12-01 23:03:53 +00:00
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2015-06-14 21:55:03 +00:00
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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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2017-01-05 13:03:50 +00:00
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logs []*types.Log
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2015-06-14 21:55:03 +00:00
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)
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2014-12-01 23:03:53 +00:00
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2015-06-14 21:55:03 +00:00
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ret, logs, gas, err = RunVm(statedb, env, test.Exec)
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2014-10-14 22:41:00 +00:00
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2015-06-18 20:38:17 +00:00
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// Compare expected and actual return
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2015-06-14 21:55:03 +00:00
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rexp := common.FromHex(test.Out)
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2017-01-06 15:44:20 +00:00
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if !bytes.Equal(rexp, ret) {
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2015-06-14 21:55:03 +00:00
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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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2014-10-14 22:41:00 +00:00
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}
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2015-06-14 21:55:03 +00:00
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}
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2014-10-14 22:41:00 +00:00
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2015-06-14 21:55:03 +00:00
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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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2016-09-22 19:04:58 +00:00
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v := statedb.GetState(obj.Address(), common.HexToHash(addr))
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2015-06-14 21:55:03 +00:00
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vexp := common.HexToHash(value)
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if v != vexp {
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2015-06-18 20:27:44 +00:00
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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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2014-10-14 22:41:00 +00:00
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}
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}
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2015-06-14 21:55:03 +00:00
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}
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2014-12-03 11:21:12 +00:00
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2015-06-14 21:55:03 +00:00
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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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2014-12-03 11:21:12 +00:00
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}
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2014-10-14 22:41:00 +00:00
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}
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2015-06-14 21:55:03 +00:00
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2015-06-10 20:10:33 +00:00
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return nil
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2015-06-10 18:38:39 +00:00
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}
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2017-01-05 13:03:50 +00:00
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func RunVm(statedb *state.StateDB, env, exec map[string]string) ([]byte, []*types.Log, *big.Int, error) {
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2016-12-06 01:16:03 +00:00
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chainConfig := ¶ms.ChainConfig{
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HomesteadBlock: params.MainNetHomesteadBlock,
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DAOForkBlock: params.MainNetDAOForkBlock,
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DAOForkSupport: true,
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}
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2015-06-10 18:38:39 +00:00
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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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value = common.Big(exec["value"])
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)
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2016-12-06 01:16:03 +00:00
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caller := statedb.GetOrNewStateObject(from)
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2017-01-05 10:52:10 +00:00
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vm.PrecompiledContracts = make(map[common.Address]vm.PrecompiledContract)
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2015-06-10 18:38:39 +00:00
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2016-12-06 01:16:03 +00:00
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environment, _ := NewEVMEnvironment(true, chainConfig, statedb, env, exec)
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ret, err := environment.Call(caller, to, data, gas, value)
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return ret, statedb.Logs(), gas, err
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2015-06-10 18:38:39 +00:00
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}
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