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-rw-r--r--cmd/ethtest/main.go138
1 files changed, 138 insertions, 0 deletions
diff --git a/cmd/ethtest/main.go b/cmd/ethtest/main.go
new file mode 100644
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--- /dev/null
+++ b/cmd/ethtest/main.go
@@ -0,0 +1,138 @@
+/*
+ This file is part of go-ethereum
+
+ go-ethereum is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ go-ethereum is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+*/
+/**
+ * @authors:
+ * Jeffrey Wilcke <i@jev.io>
+ */
+
+package main
+
+import (
+ "bytes"
+ "encoding/json"
+ "io"
+ "io/ioutil"
+ "log"
+ "os"
+ "strings"
+
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/ethutil"
+ "github.com/ethereum/go-ethereum/logger"
+ "github.com/ethereum/go-ethereum/state"
+ "github.com/ethereum/go-ethereum/tests/helper"
+)
+
+type Account struct {
+ Balance string
+ Code string
+ Nonce string
+ Storage map[string]string
+}
+
+func StateObjectFromAccount(db ethutil.Database, addr string, account Account) *state.StateObject {
+ obj := state.NewStateObject(ethutil.Hex2Bytes(addr), db)
+ obj.SetBalance(ethutil.Big(account.Balance))
+
+ if ethutil.IsHex(account.Code) {
+ account.Code = account.Code[2:]
+ }
+ obj.SetCode(ethutil.Hex2Bytes(account.Code))
+ obj.SetNonce(ethutil.Big(account.Nonce).Uint64())
+
+ return obj
+}
+
+type VmTest struct {
+ Callcreates interface{}
+ Env map[string]string
+ Exec map[string]string
+ Gas string
+ Out string
+ Post map[string]Account
+ Pre map[string]Account
+}
+
+func RunVmTest(r io.Reader) (failed int) {
+ tests := make(map[string]VmTest)
+
+ data, _ := ioutil.ReadAll(r)
+ err := json.Unmarshal(data, &tests)
+ if err != nil {
+ log.Fatalln(err)
+ }
+
+ for name, test := range tests {
+ db, _ := ethdb.NewMemDatabase()
+ state := state.New(nil, db)
+ for addr, account := range test.Pre {
+ obj := StateObjectFromAccount(db, addr, account)
+ state.SetStateObject(obj)
+ }
+
+ ret, _, gas, err := helper.RunVm(state, test.Env, test.Exec)
+ // When an error is returned it doesn't always mean the tests fails.
+ // Have to come up with some conditional failing mechanism.
+ if err != nil {
+ log.Println(err)
+ }
+
+ rexp := helper.FromHex(test.Out)
+ if bytes.Compare(rexp, ret) != 0 {
+ log.Printf("%s's return failed. Expected %x, got %x\n", name, rexp, ret)
+ failed = 1
+ }
+
+ if len(test.Gas) == 0 && err == nil {
+ log.Printf("0 gas indicates error but no error given by VM")
+ failed = 1
+ } else {
+ gexp := ethutil.Big(test.Gas)
+ if gexp.Cmp(gas) != 0 {
+ log.Printf("%s's gas failed. Expected %v, got %v\n", name, gexp, gas)
+ failed = 1
+ }
+ }
+
+ for addr, account := range test.Post {
+ obj := state.GetStateObject(helper.FromHex(addr))
+ for addr, value := range account.Storage {
+ v := obj.GetState(helper.FromHex(addr)).Bytes()
+ vexp := helper.FromHex(value)
+
+ if bytes.Compare(v, vexp) != 0 {
+ log.Printf("%s's : (%x: %s) storage failed. Expected %x, got %x (%v %v)\n", name, obj.Address()[0:4], addr, vexp, v, ethutil.BigD(vexp), ethutil.BigD(v))
+ failed = 1
+ }
+ }
+ }
+
+ logger.Flush()
+ }
+
+ return
+}
+
+func main() {
+ helper.Logger.SetLogLevel(5)
+
+ if len(os.Args) > 1 {
+ os.Exit(RunVmTest(strings.NewReader(os.Args[1])))
+ } else {
+ os.Exit(RunVmTest(os.Stdin))
+ }
+}