2014-10-31 13:30:08 +00:00
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package xeth
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/*
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* eXtended ETHereum
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*/
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2014-08-04 14:25:53 +00:00
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import (
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2014-12-04 09:28:02 +00:00
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/types"
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2014-10-31 11:37:43 +00:00
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"github.com/ethereum/go-ethereum/crypto"
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2014-10-23 13:01:27 +00:00
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"github.com/ethereum/go-ethereum/ethutil"
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2014-10-31 11:56:05 +00:00
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"github.com/ethereum/go-ethereum/logger"
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2014-10-31 13:43:14 +00:00
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"github.com/ethereum/go-ethereum/state"
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2014-08-04 14:25:53 +00:00
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)
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2014-10-31 13:30:08 +00:00
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var pipelogger = logger.NewLogger("XETH")
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2014-08-04 14:25:53 +00:00
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2014-08-05 09:10:24 +00:00
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type VmVars struct {
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2014-12-04 10:40:20 +00:00
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State *state.StateDB
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2014-08-05 09:10:24 +00:00
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}
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2014-10-31 13:30:08 +00:00
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type XEth struct {
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2014-12-04 09:28:02 +00:00
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obj core.EthManager
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blockManager *core.BlockManager
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blockChain *core.ChainManager
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2014-08-05 09:30:12 +00:00
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world *World
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2014-08-05 09:10:24 +00:00
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Vm VmVars
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2014-08-04 14:25:53 +00:00
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}
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2014-12-04 09:28:02 +00:00
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func New(obj core.EthManager) *XEth {
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2014-10-31 13:30:08 +00:00
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pipe := &XEth{
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2014-08-04 14:25:53 +00:00
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obj: obj,
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2014-11-04 09:57:02 +00:00
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blockManager: obj.BlockManager(),
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2014-10-20 09:53:11 +00:00
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blockChain: obj.ChainManager(),
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2014-08-04 14:25:53 +00:00
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}
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pipe.world = NewWorld(pipe)
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return pipe
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}
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2014-12-04 09:53:49 +00:00
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/*
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* State / Account accessors
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*/
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2014-10-31 13:30:08 +00:00
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func (self *XEth) Balance(addr []byte) *ethutil.Value {
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2014-08-04 14:25:53 +00:00
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return ethutil.NewValue(self.World().safeGet(addr).Balance)
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}
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2014-10-31 13:30:08 +00:00
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func (self *XEth) Nonce(addr []byte) uint64 {
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2014-08-04 14:25:53 +00:00
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return self.World().safeGet(addr).Nonce
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}
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2014-11-18 15:58:22 +00:00
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func (self *XEth) Block(hash []byte) *types.Block {
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2014-08-04 14:25:53 +00:00
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return self.blockChain.GetBlock(hash)
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}
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2014-10-31 13:30:08 +00:00
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func (self *XEth) Storage(addr, storageAddr []byte) *ethutil.Value {
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2014-08-04 14:25:53 +00:00
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return self.World().safeGet(addr).GetStorage(ethutil.BigD(storageAddr))
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}
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2014-12-04 09:53:49 +00:00
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func (self *XEth) Exists(addr []byte) bool {
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return self.World().Get(addr) != nil
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}
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// Converts the given private key to an address
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2014-10-31 13:30:08 +00:00
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func (self *XEth) ToAddress(priv []byte) []byte {
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2014-10-31 11:37:43 +00:00
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pair, err := crypto.NewKeyPairFromSec(priv)
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2014-08-04 14:25:53 +00:00
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if err != nil {
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return nil
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}
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return pair.Address()
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}
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2014-12-04 09:53:49 +00:00
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/*
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* Execution helpers
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*/
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func (self *XEth) Execute(addr []byte, data []byte, value, gas, price *ethutil.Value) ([]byte, error) {
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return self.ExecuteObject(&Object{self.World().safeGet(addr)}, data, value, gas, price)
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}
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func (self *XEth) ExecuteObject(object *Object, data []byte, value, gas, price *ethutil.Value) ([]byte, error) {
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var (
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initiator = state.NewStateObject(self.obj.KeyManager().KeyPair().Address())
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block = self.blockChain.CurrentBlock
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)
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self.Vm.State = self.World().State().Copy()
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vmenv := NewEnv(self.Vm.State, block, value.BigInt(), initiator.Address())
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return vmenv.Call(initiator, object.Address(), data, gas.BigInt(), price.BigInt(), value.BigInt())
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2014-08-04 14:34:55 +00:00
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}
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2014-12-04 09:53:49 +00:00
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/*
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* Transactional methods
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*/
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2014-12-03 13:05:19 +00:00
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func (self *XEth) TransactString(key *crypto.KeyPair, rec string, value, gas, price *ethutil.Value, data []byte) (*types.Transaction, error) {
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2014-08-04 14:25:53 +00:00
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// Check if an address is stored by this address
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var hash []byte
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addr := self.World().Config().Get("NameReg").StorageString(rec).Bytes()
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if len(addr) > 0 {
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hash = addr
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} else if ethutil.IsHex(rec) {
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hash = ethutil.Hex2Bytes(rec[2:])
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} else {
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hash = ethutil.Hex2Bytes(rec)
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}
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return self.Transact(key, hash, value, gas, price, data)
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}
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2014-12-03 13:05:19 +00:00
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func (self *XEth) Transact(key *crypto.KeyPair, to []byte, value, gas, price *ethutil.Value, data []byte) (*types.Transaction, error) {
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2014-08-04 14:25:53 +00:00
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var hash []byte
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var contractCreation bool
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2014-12-03 13:05:19 +00:00
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if types.IsContractAddr(to) {
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2014-08-04 14:25:53 +00:00
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contractCreation = true
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2014-12-01 19:18:09 +00:00
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} else {
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// Check if an address is stored by this address
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addr := self.World().Config().Get("NameReg").Storage(to).Bytes()
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if len(addr) > 0 {
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hash = addr
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} else {
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hash = to
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}
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2014-08-04 14:25:53 +00:00
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}
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2014-11-18 15:58:22 +00:00
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var tx *types.Transaction
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2014-08-04 14:25:53 +00:00
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if contractCreation {
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2014-12-03 13:05:19 +00:00
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tx = types.NewContractCreationTx(value.BigInt(), gas.BigInt(), price.BigInt(), data)
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2014-08-04 14:25:53 +00:00
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} else {
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2014-12-03 13:05:19 +00:00
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tx = types.NewTransactionMessage(hash, value.BigInt(), gas.BigInt(), price.BigInt(), data)
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2014-08-04 14:25:53 +00:00
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}
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2014-12-01 19:18:09 +00:00
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state := self.blockManager.TransState()
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nonce := state.GetNonce(key.Address())
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2014-08-04 14:25:53 +00:00
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2014-12-01 19:18:09 +00:00
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tx.Nonce = nonce
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2014-08-04 14:25:53 +00:00
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tx.Sign(key.PrivateKey)
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2014-12-01 19:18:09 +00:00
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err := self.obj.TxPool().Add(tx)
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if err != nil {
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return nil, err
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}
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state.SetNonce(key.Address(), nonce+1)
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2014-08-04 14:25:53 +00:00
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if contractCreation {
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2014-10-02 15:03:15 +00:00
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addr := tx.CreationAddress(self.World().State())
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2014-10-31 11:56:05 +00:00
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pipelogger.Infof("Contract addr %x\n", addr)
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2014-08-04 14:25:53 +00:00
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}
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2014-12-01 19:18:09 +00:00
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return tx, nil
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2014-08-04 14:25:53 +00:00
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}
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2014-08-17 10:42:02 +00:00
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2014-11-18 15:58:22 +00:00
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func (self *XEth) PushTx(tx *types.Transaction) ([]byte, error) {
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2014-12-01 19:18:09 +00:00
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err := self.obj.TxPool().Add(tx)
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if err != nil {
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return nil, err
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}
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2014-09-22 12:51:21 +00:00
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if tx.Recipient == nil {
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2014-10-02 15:03:15 +00:00
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addr := tx.CreationAddress(self.World().State())
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2014-10-31 11:56:05 +00:00
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pipelogger.Infof("Contract addr %x\n", addr)
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2014-10-02 15:03:15 +00:00
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return addr, nil
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2014-09-22 12:51:21 +00:00
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}
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return tx.Hash(), nil
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2014-09-06 20:51:13 +00:00
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}
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2014-10-31 13:30:08 +00:00
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func (self *XEth) CompileMutan(code string) ([]byte, error) {
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2014-08-17 10:42:02 +00:00
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data, err := ethutil.Compile(code, false)
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if err != nil {
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return nil, err
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}
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return data, nil
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}
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