Cleanup/reorg

1 files changed, 252 insertions, 0 deletions

diff --git a/tests/util.go b/tests/util.go
new file mode 100644
index 000000000..6554c4b94
--- /dev/null
+++ b/tests/util.go
@@ -0,0 +1,252 @@
+package tests
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"math/big"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core"
+	"github.com/ethereum/go-ethereum/core/state"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/core/vm"
+	"github.com/ethereum/go-ethereum/crypto"
+)
+
+func checkLogs(tlog []Log, logs state.Logs) error {
+
+	if len(tlog) != len(logs) {
+		return fmt.Errorf("log length mismatch. Expected %d, got %d", len(tlog), len(logs))
+	} else {
+		for i, log := range tlog {
+			if common.HexToAddress(log.AddressF) != logs[i].Address {
+				return fmt.Errorf("log address expected %v got %x", log.AddressF, logs[i].Address)
+			}
+
+			if !bytes.Equal(logs[i].Data, common.FromHex(log.DataF)) {
+				return fmt.Errorf("log data expected %v got %x", log.DataF, logs[i].Data)
+			}
+
+			if len(log.TopicsF) != len(logs[i].Topics) {
+				return fmt.Errorf("log topics length expected %d got %d", len(log.TopicsF), logs[i].Topics)
+			} else {
+				for j, topic := range log.TopicsF {
+					if common.HexToHash(topic) != logs[i].Topics[j] {
+						return fmt.Errorf("log topic[%d] expected %v got %x", j, topic, logs[i].Topics[j])
+					}
+				}
+			}
+			genBloom := common.LeftPadBytes(types.LogsBloom(state.Logs{logs[i]}).Bytes(), 256)
+
+			if !bytes.Equal(genBloom, common.Hex2Bytes(log.BloomF)) {
+				return fmt.Errorf("bloom mismatch")
+			}
+		}
+	}
+	return nil
+}
+
+type Account struct {
+	Balance string
+	Code    string
+	Nonce   string
+	Storage map[string]string
+}
+
+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 common.Hex2Bytes(self.AddressF) }
+func (self Log) Data() []byte         { return common.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] = common.Hex2Bytes(topic)
+	}
+	return t
+}
+
+func StateObjectFromAccount(db common.Database, addr string, account Account) *state.StateObject {
+	obj := state.NewStateObject(common.HexToAddress(addr), db)
+	obj.SetBalance(common.Big(account.Balance))
+
+	if common.IsHex(account.Code) {
+		account.Code = account.Code[2:]
+	}
+	obj.SetCode(common.Hex2Bytes(account.Code))
+	obj.SetNonce(common.Big(account.Nonce).Uint64())
+
+	return obj
+}
+
+type VmEnv struct {
+	CurrentCoinbase   string
+	CurrentDifficulty string
+	CurrentGasLimit   string
+	CurrentNumber     string
+	CurrentTimestamp  interface{}
+	PreviousHash      string
+}
+
+type VmTest struct {
+	Callcreates interface{}
+	//Env         map[string]string
+	Env           VmEnv
+	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 {
+	depth        int
+	state        *state.StateDB
+	skipTransfer bool
+	initial      bool
+	Gas          *big.Int
+
+	origin common.Address
+	//parent   common.Hash
+	coinbase common.Address
+
+	number     *big.Int
+	time       int64
+	difficulty *big.Int
+	gasLimit   *big.Int
+
+	logs state.Logs
+
+	vmTest bool
+}
+
+func NewEnv(state *state.StateDB) *Env {
+	return &Env{
+		state: state,
+	}
+}
+
+func NewEnvFromMap(state *state.StateDB, envValues map[string]string, exeValues map[string]string) *Env {
+	env := NewEnv(state)
+
+	env.origin = common.HexToAddress(exeValues["caller"])
+	//env.parent = common.Hex2Bytes(envValues["previousHash"])
+	env.coinbase = common.HexToAddress(envValues["currentCoinbase"])
+	env.number = common.Big(envValues["currentNumber"])
+	env.time = common.Big(envValues["currentTimestamp"]).Int64()
+	env.difficulty = common.Big(envValues["currentDifficulty"])
+	env.gasLimit = common.Big(envValues["currentGasLimit"])
+	env.Gas = new(big.Int)
+
+	return env
+}
+
+func (self *Env) Origin() common.Address { return self.origin }
+func (self *Env) BlockNumber() *big.Int  { return self.number }
+
+//func (self *Env) PrevHash() []byte      { return self.parent }
+func (self *Env) Coinbase() common.Address { return self.coinbase }
+func (self *Env) Time() int64              { return self.time }
+func (self *Env) Difficulty() *big.Int     { return self.difficulty }
+func (self *Env) State() *state.StateDB    { return self.state }
+func (self *Env) GasLimit() *big.Int       { return self.gasLimit }
+func (self *Env) VmType() vm.Type          { return vm.StdVmTy }
+func (self *Env) GetHash(n uint64) common.Hash {
+	return common.BytesToHash(crypto.Sha3([]byte(big.NewInt(int64(n)).String())))
+}
+func (self *Env) AddLog(log *state.Log) {
+	self.state.AddLog(log)
+}
+func (self *Env) Depth() int     { return self.depth }
+func (self *Env) SetDepth(i int) { self.depth = i }
+func (self *Env) Transfer(from, to vm.Account, amount *big.Int) error {
+	if self.skipTransfer {
+		// ugly hack
+		if self.initial {
+			self.initial = false
+			return nil
+		}
+
+		if from.Balance().Cmp(amount) < 0 {
+			return errors.New("Insufficient balance in account")
+		}
+
+		return nil
+	}
+	return vm.Transfer(from, to, amount)
+}
+
+func (self *Env) vm(addr *common.Address, data []byte, gas, price, value *big.Int) *core.Execution {
+	exec := core.NewExecution(self, addr, data, gas, price, value)
+
+	return exec
+}
+
+func (self *Env) Call(caller vm.ContextRef, addr common.Address, data []byte, gas, price, value *big.Int) ([]byte, error) {
+	if self.vmTest && self.depth > 0 {
+		caller.ReturnGas(gas, price)
+
+		return nil, nil
+	}
+	exe := self.vm(&addr, data, gas, price, value)
+	ret, err := exe.Call(addr, caller)
+	self.Gas = exe.Gas
+
+	return ret, err
+
+}
+func (self *Env) CallCode(caller vm.ContextRef, addr common.Address, data []byte, gas, price, value *big.Int) ([]byte, error) {
+	if self.vmTest && self.depth > 0 {
+		caller.ReturnGas(gas, price)
+
+		return nil, nil
+	}
+
+	caddr := caller.Address()
+	exe := self.vm(&caddr, data, gas, price, value)
+	return exe.Call(addr, caller)
+}
+
+func (self *Env) Create(caller vm.ContextRef, data []byte, gas, price, value *big.Int) ([]byte, error, vm.ContextRef) {
+	exe := self.vm(nil, data, gas, price, value)
+	if self.vmTest {
+		caller.ReturnGas(gas, price)
+
+		nonce := self.state.GetNonce(caller.Address())
+		obj := self.state.GetOrNewStateObject(crypto.CreateAddress(caller.Address(), nonce))
+
+		return nil, nil, obj
+	} else {
+		return exe.Create(caller)
+	}
+}
+
+type Message struct {
+	from              common.Address
+	to                *common.Address
+	value, gas, price *big.Int
+	data              []byte
+	nonce             uint64
+}
+
+func NewMessage(from common.Address, to *common.Address, data []byte, value, gas, price *big.Int, nonce uint64) Message {
+	return Message{from, to, value, gas, price, data, nonce}
+}
+
+func (self Message) Hash() []byte                  { return nil }
+func (self Message) From() (common.Address, error) { return self.from, nil }
+func (self Message) To() *common.Address           { return self.to }
+func (self Message) GasPrice() *big.Int            { return self.price }
+func (self Message) Gas() *big.Int                 { return self.gas }
+func (self Message) Value() *big.Int               { return self.value }
+func (self Message) Nonce() uint64                 { return self.nonce }
+func (self Message) Data() []byte                  { return self.data }