forked from cerc-io/plugeth
Working on test suite
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3d177be73e
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266d212094
11
tests/helper/common.go
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11
tests/helper/common.go
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package helper
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import "github.com/ethereum/eth-go/ethutil"
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func FromHex(h string) []byte {
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if ethutil.IsHex(h) {
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h = h[2:]
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}
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return ethutil.Hex2Bytes(h)
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}
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24
tests/helper/http.go
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24
tests/helper/http.go
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package helper
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import (
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"encoding/json"
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"io/ioutil"
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"net/http"
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)
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func CreateTests(uri string, value interface{}) error {
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resp, err := http.Get(uri)
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if err != nil {
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panic(err)
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}
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defer resp.Body.Close()
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data, err := ioutil.ReadAll(resp.Body)
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err = json.Unmarshal(data, &value)
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if 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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15
tests/helper/init.go
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15
tests/helper/init.go
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package helper
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import (
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"log"
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"os"
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"github.com/ethereum/eth-go/ethlog"
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"github.com/ethereum/eth-go/ethutil"
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)
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func init() {
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ethlog.AddLogSystem(ethlog.NewStdLogSystem(os.Stdout, log.LstdFlags, ethlog.LogLevel(4)))
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ethutil.ReadConfig(".ethtest", "/tmp/ethtest", "")
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}
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31
tests/helper/trie.go
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31
tests/helper/trie.go
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package helper
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import "github.com/ethereum/eth-go/ethtrie"
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type MemDatabase struct {
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db map[string][]byte
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}
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func NewMemDatabase() (*MemDatabase, error) {
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db := &MemDatabase{db: make(map[string][]byte)}
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return db, nil
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}
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func (db *MemDatabase) Put(key []byte, value []byte) {
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db.db[string(key)] = value
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}
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func (db *MemDatabase) Get(key []byte) ([]byte, error) {
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return db.db[string(key)], nil
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}
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func (db *MemDatabase) Delete(key []byte) error {
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delete(db.db, string(key))
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return nil
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}
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func (db *MemDatabase) Print() {}
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func (db *MemDatabase) Close() {}
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func (db *MemDatabase) LastKnownTD() []byte { return nil }
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func NewTrie() *ethtrie.Trie {
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db, _ := NewMemDatabase()
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return ethtrie.New(db, "")
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}
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66
tests/helper/vm.go
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66
tests/helper/vm.go
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package helper
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import (
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"fmt"
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"math/big"
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"github.com/ethereum/eth-go/ethstate"
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"github.com/ethereum/eth-go/ethtrie"
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"github.com/ethereum/eth-go/ethutil"
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"github.com/ethereum/eth-go/ethvm"
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)
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type Env struct {
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state *ethstate.State
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origin []byte
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parent []byte
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coinbase []byte
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number *big.Int
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time int64
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difficulty *big.Int
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}
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func NewEnv(state *ethstate.State) *Env {
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return &Env{
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state: state,
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}
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}
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func NewEnvFromMap(state *ethstate.State, envValues map[string]string, exeValues map[string]string) *Env {
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env := NewEnv(state)
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env.origin = ethutil.Hex2Bytes(exeValues["caller"])
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env.parent = ethutil.Hex2Bytes(envValues["previousHash"])
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env.coinbase = ethutil.Hex2Bytes(envValues["currentCoinbase"])
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env.number = ethutil.Big(envValues["currentNumber"])
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env.time = ethutil.Big(envValues["currentTime"]).Int64()
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return env
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}
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func (self *Env) Origin() []byte { return self.origin }
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func (self *Env) BlockNumber() *big.Int { return self.number }
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func (self *Env) PrevHash() []byte { return self.parent }
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func (self *Env) Coinbase() []byte { return self.coinbase }
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func (self *Env) Time() int64 { return self.time }
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func (self *Env) Difficulty() *big.Int { return self.difficulty }
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func (self *Env) BlockHash() []byte { return nil }
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// This is likely to fail if anything ever gets looked up in the state trie :-)
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func (self *Env) State() *ethstate.State { return ethstate.New(ethtrie.New(nil, "")) }
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func RunVm(state *ethstate.State, env, exec map[string]string) ([]byte, *big.Int) {
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caller := state.NewStateObject(ethutil.Hex2Bytes(exec["caller"]))
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callee := state.GetStateObject(ethutil.Hex2Bytes(exec["address"]))
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closure := ethvm.NewClosure(nil, caller, callee, callee.Code, ethutil.Big(exec["gas"]), ethutil.Big(exec["gasPrice"]))
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vm := ethvm.New(NewEnvFromMap(state, env, exec), ethvm.DebugVmTy)
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ret, _, e := closure.Call(vm, nil)
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if e != nil {
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fmt.Println(e)
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}
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return ret, closure.Gas
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}
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0
tests/vm/.ethtest
Normal file
0
tests/vm/.ethtest
Normal file
81
tests/vm/gh_test.go
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81
tests/vm/gh_test.go
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package ethvm
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import (
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"bytes"
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"log"
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"testing"
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"github.com/ethereum/eth-go/ethstate"
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"github.com/ethereum/eth-go/ethutil"
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"github.com/ethereum/eth-go/tests/helper"
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)
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type Account struct {
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Balance string
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Code string
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Nonce string
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Storage map[string]string
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}
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func StateObjectFromAccount(addr string, account Account) *ethstate.StateObject {
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obj := ethstate.NewStateObject(ethutil.Hex2Bytes(addr))
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obj.Balance = ethutil.Big(account.Balance)
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if ethutil.IsHex(account.Code) {
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account.Code = account.Code[2:]
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}
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obj.Code = ethutil.Hex2Bytes(account.Code)
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obj.Nonce = ethutil.Big(account.Nonce).Uint64()
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return obj
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}
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type VmTest struct {
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Callcreates interface{}
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Env map[string]string
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Exec map[string]string
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Gas string
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Out string
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Post map[string]Account
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Pre map[string]Account
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}
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func TestRemote(t *testing.T) {
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tests := make(map[string]VmTest)
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err := helper.CreateTests("https://raw.githubusercontent.com/ethereum/tests/master/vmtests/vmSha3Test.json", &tests)
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if err != nil {
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log.Fatal(err)
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}
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for name, test := range tests {
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state := ethstate.New(helper.NewTrie())
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for addr, account := range test.Pre {
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obj := StateObjectFromAccount(addr, account)
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state.SetStateObject(obj)
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}
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ret, gas := helper.RunVm(state, test.Env, test.Exec)
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rexp := helper.FromHex(test.Out)
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if bytes.Compare(rexp, ret) != 0 {
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t.Errorf("%s's return failed. Expected %x, got %x\n", name, rexp, ret)
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}
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gexp := ethutil.Big(test.Gas)
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if gexp.Cmp(gas) != 0 {
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t.Errorf("%s's gas failed. Expected %v, got %v\n", name, gexp, gas)
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}
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for addr, account := range test.Post {
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obj := state.GetStateObject(helper.FromHex(addr))
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for addr, value := range account.Storage {
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v := obj.GetStorage(ethutil.BigD(helper.FromHex(addr))).Bytes()
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vexp := helper.FromHex(value)
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if bytes.Compare(v, vexp) != 0 {
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t.Errorf("%s's : %s storage failed. Expected %x, get %x\n", name, addr, vexp, v)
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}
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}
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}
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}
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}
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