path: root/cmd/ethtest/main.go

/*
    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"
    "fmt"
    "io"
    "io/ioutil"
    "log"
    "math/big"
    "os"
    "strconv"
    "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 Log struct {
    AddressF string   `json:"address"`
    DataF    string   `json:"data"`
    TopicsF  []string `json:"topics"`
    BloomF   string   `json:"bloom"`
}

func (self Log) Address() []byte      { return ethutil.Hex2Bytes(self.AddressF) }
func (self Log) Data() []byte         { return ethutil.Hex2Bytes(self.DataF) }
func (self Log) RlpData() interface{} { return nil }
func (self Log) Topics() [][]byte {
    t := make([][]byte, len(self.TopicsF))
    for i, topic := range self.TopicsF {
        t[i] = ethutil.Hex2Bytes(topic)
    }
    return t
}

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
    Env           Env
    Exec          map[string]string
    Transaction   map[string]string
    Logs          []Log
    Gas           string
    Out           string
    Post          map[string]Account
    Pre           map[string]Account
    PostStateRoot string
}

type Env struct {
    CurrentCoinbase   string
    CurrentDifficulty string
    CurrentGasLimit   string
    CurrentNumber     string
    CurrentTimestamp  interface{}
    PreviousHash      string
}

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()
        statedb := state.New(nil, db)
        for addr, account := range test.Pre {
            obj := StateObjectFromAccount(db, addr, account)
            statedb.SetStateObject(obj)
        }

        env := make(map[string]string)
        env["currentCoinbase"] = test.Env.CurrentCoinbase
        env["currentDifficulty"] = test.Env.CurrentDifficulty
        env["currentGasLimit"] = test.Env.CurrentGasLimit
        env["currentNumber"] = test.Env.CurrentNumber
        env["previousHash"] = test.Env.PreviousHash
        if n, ok := test.Env.CurrentTimestamp.(float64); ok {
            env["currentTimestamp"] = strconv.Itoa(int(n))
        } else {
            env["currentTimestamp"] = test.Env.CurrentTimestamp.(string)
        }

        ret, logs, _, _ := helper.RunState(statedb, env, test.Transaction)
        statedb.Sync()

        rexp := helper.FromHex(test.Out)
        if bytes.Compare(rexp, ret) != 0 {
            fmt.Printf("%s's return failed. Expected %x, got %x\n", name, rexp, ret)
        }

        for addr, account := range test.Post {
            obj := statedb.GetStateObject(helper.FromHex(addr))
            if obj == nil {
                continue
            }

            if len(test.Exec) == 0 {
                if obj.Balance().Cmp(ethutil.Big(account.Balance)) != 0 {
                    fmt.Printf("%s's : (%x) balance failed. Expected %v, got %v => %v\n", name, obj.Address()[:4], account.Balance, obj.Balance(), new(big.Int).Sub(ethutil.Big(account.Balance), obj.Balance()))
                }
            }

            for addr, value := range account.Storage {
                v := obj.GetState(helper.FromHex(addr)).Bytes()
                vexp := helper.FromHex(value)

                if bytes.Compare(v, vexp) != 0 {
                    fmt.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))
                }
            }
        }

        if !bytes.Equal(ethutil.Hex2Bytes(test.PostStateRoot), statedb.Root()) {
            fmt.Printf("%s's : Post state root error. Expected %s, got %x", name, test.PostStateRoot, statedb.Root())
        }

        if len(test.Logs) > 0 {
            if len(test.Logs) != len(logs) {
                fmt.Printf("log length mismatch. Expected %d, got %d", len(test.Logs), len(logs))
            } else {
                /*
                    fmt.Println("A", test.Logs)
                    fmt.Println("B", logs)
                        for i, log := range test.Logs {
                            genBloom := ethutil.LeftPadBytes(types.LogsBloom(state.Logs{logs[i]}).Bytes(), 256)
                            if !bytes.Equal(genBloom, ethutil.Hex2Bytes(log.BloomF)) {
                                t.Errorf("bloom mismatch")
                            }
                        }
                */
            }
        }

        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))
    }
}