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Merge branch 'develop' of github.com:ethereum/eth-go into develop

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This commit is contained in:
Maran 2014-05-28 12:15:46 +02:00
commit 2fec1af275
9 changed files with 320 additions and 294 deletions
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2
README.md
View File

@ -6,7 +6,7 @@ Ethereum
Ethereum Go Development package (C) Jeffrey Wilcke
Ethereum is currently in its testing phase. The current state is "Proof
of Concept 5.0 RC9". For build instructions see the [Wiki](https://github.com/ethereum/go-ethereum/wiki/Building-Ethereum(Go)).
of Concept 5.0 RC10". For build instructions see the [Wiki](https://github.com/ethereum/go-ethereum/wiki/Building-Ethereum(Go)).
Ethereum Go is split up in several sub packages Please refer to each
individual package for more information.

4
ethchain/asm.go
View File

@ -21,9 +21,9 @@ func Disassemble(script []byte) (asm []string) {
asm = append(asm, fmt.Sprintf("%v", op))
switch op {
case oPUSH1, oPUSH2, oPUSH3, oPUSH4, oPUSH5, oPUSH6, oPUSH7, oPUSH8, oPUSH9, oPUSH10, oPUSH11, oPUSH12, oPUSH13, oPUSH14, oPUSH15, oPUSH16, oPUSH17, oPUSH18, oPUSH19, oPUSH20, oPUSH21, oPUSH22, oPUSH23, oPUSH24, oPUSH25, oPUSH26, oPUSH27, oPUSH28, oPUSH29, oPUSH30, oPUSH31, oPUSH32:
case PUSH1, PUSH2, PUSH3, PUSH4, PUSH5, PUSH6, PUSH7, PUSH8, PUSH9, PUSH10, PUSH11, PUSH12, PUSH13, PUSH14, PUSH15, PUSH16, PUSH17, PUSH18, PUSH19, PUSH20, PUSH21, PUSH22, PUSH23, PUSH24, PUSH25, PUSH26, PUSH27, PUSH28, PUSH29, PUSH30, PUSH31, PUSH32:
pc.Add(pc, ethutil.Big1)
a := int64(op) - int64(oPUSH1) + 1
a := int64(op) - int64(PUSH1) + 1
data := script[pc.Int64() : pc.Int64()+a]
val := ethutil.BigD(data)

22
ethchain/closure.go
View File

@ -22,8 +22,7 @@ type Closure struct {
Script []byte
State *State
Gas *big.Int
Price *big.Int
Gas, UsedGas, Price *big.Int
Args []byte
}
@ -74,10 +73,12 @@ func (c *Closure) Address() []byte {
type DebugHook func(step int, op OpCode, mem *Memory, stack *Stack, stateObject *StateObject) bool
func (c *Closure) Call(vm *Vm, args []byte, hook DebugHook) ([]byte, error) {
func (c *Closure) Call(vm *Vm, args []byte, hook DebugHook) ([]byte, *big.Int, error) {
c.Args = args
return vm.RunClosure(c, hook)
ret, err := vm.RunClosure(c, hook)
return ret, c.UsedGas, err
}
func (c *Closure) Return(ret []byte) []byte {
@ -93,10 +94,23 @@ func (c *Closure) Return(ret []byte) []byte {
return ret
}
func (c *Closure) UseGas(gas *big.Int) bool {
if c.Gas.Cmp(gas) < 0 {
return false
}
// Sub the amount of gas from the remaining
c.Gas.Sub(c.Gas, gas)
c.UsedGas.Add(c.UsedGas, gas)
return true
}
// Implement the Callee interface
func (c *Closure) ReturnGas(gas, price *big.Int, state *State) {
// Return the gas to the closure
c.Gas.Add(c.Gas, gas)
c.UsedGas.Sub(c.UsedGas, gas)
}
func (c *Closure) Object() *StateObject {

38
ethchain/state_manager.go
View File

@ -106,7 +106,7 @@ func (sm *StateManager) ApplyTransactions(state *State, block *Block, txs []*Tra
usedGas, err := sm.ApplyTransaction(state, block, tx)
if err != nil {
ethutil.Config.Log.Infoln(err)
continue
//continue
}
accumelative := new(big.Int).Set(totalUsedGas.Add(totalUsedGas, usedGas))
@ -119,7 +119,7 @@ func (sm *StateManager) ApplyTransactions(state *State, block *Block, txs []*Tra
return receipts, txs
}
func (sm *StateManager) ApplyTransaction(state *State, block *Block, tx *Transaction) (*big.Int, error) {
func (sm *StateManager) ApplyTransaction(state *State, block *Block, tx *Transaction) (totalGasUsed *big.Int, err error) {
/*
Applies transactions to the given state and creates new
state objects where needed.
@ -129,9 +129,17 @@ func (sm *StateManager) ApplyTransaction(state *State, block *Block, tx *Transac
assume there's a return value. The return value will be set to
the script section of the state object.
*/
totalGasUsed := big.NewInt(0)
var (
addTotalGas = func(gas *big.Int) { totalGasUsed.Add(totalGasUsed, gas) }
gas = new(big.Int)
script []byte
)
totalGasUsed = big.NewInt(0)
// Apply the transaction to the current state
err := sm.Ethereum.TxPool().ProcessTransaction(tx, state, false)
gas, err = sm.Ethereum.TxPool().ProcessTransaction(tx, state, false)
addTotalGas(gas)
if tx.CreatesContract() {
if err == nil {
// Create a new state object and the transaction
@ -141,30 +149,32 @@ func (sm *StateManager) ApplyTransaction(state *State, block *Block, tx *Transac
// Evaluate the initialization script
// and use the return value as the
// script section for the state object.
script, err := sm.EvalScript(state, contract.Init(), contract, tx, block)
script, gas, err = sm.EvalScript(state, contract.Init(), contract, tx, block)
addTotalGas(gas)
if err != nil {
return nil, fmt.Errorf("[STATE] Error during init script run %v", err)
err = fmt.Errorf("[STATE] Error during init script run %v", err)
return
}
contract.script = script
state.UpdateStateObject(contract)
} else {
return nil, fmt.Errorf("[STATE] Unable to create contract")
err = fmt.Errorf("[STATE] Unable to create contract")
}
} else {
return nil, fmt.Errorf("[STATE] contract creation tx:", err)
err = fmt.Errorf("[STATE] contract creation tx: %v", err)
}
} else {
// Find the state object at the "recipient" address. If
// there's an object attempt to run the script.
stateObject := state.GetStateObject(tx.Recipient)
if err == nil && stateObject != nil && len(stateObject.Script()) > 0 {
sm.EvalScript(state, stateObject.Script(), stateObject, tx, block)
} else if err != nil {
return nil, fmt.Errorf("[STATE] process:", err)
_, gas, err = sm.EvalScript(state, stateObject.Script(), stateObject, tx, block)
addTotalGas(gas)
}
}
return totalGasUsed, nil
return
}
func (sm *StateManager) Process(block *Block, dontReact bool) error {
@ -349,7 +359,7 @@ func (sm *StateManager) Stop() {
sm.bc.Stop()
}
func (sm *StateManager) EvalScript(state *State, script []byte, object *StateObject, tx *Transaction, block *Block) (ret []byte, err error) {
func (sm *StateManager) EvalScript(state *State, script []byte, object *StateObject, tx *Transaction, block *Block) (ret []byte, gas *big.Int, err error) {
account := state.GetAccount(tx.Sender())
err = account.ConvertGas(tx.Gas, tx.GasPrice)
@ -369,7 +379,7 @@ func (sm *StateManager) EvalScript(state *State, script []byte, object *StateObj
Value: tx.Value,
//Price: tx.GasPrice,
})
ret, err = closure.Call(vm, tx.Data, nil)
ret, gas, err = closure.Call(vm, tx.Data, nil)
// Update the account (refunds)
state.UpdateStateObject(account)

28
ethchain/transaction.go
View File

@ -147,22 +147,6 @@ func (tx *Transaction) RlpValueDecode(decoder *ethutil.Value) {
if len(tx.Recipient) == 0 {
tx.contractCreation = true
}
/*
// If the list is of length 10 it's a contract creation tx
if decoder.Len() == 10 {
tx.contractCreation = true
tx.Init = decoder.Get(6).Bytes()
tx.v = byte(decoder.Get(7).Uint())
tx.r = decoder.Get(8).Bytes()
tx.s = decoder.Get(9).Bytes()
} else {
tx.v = byte(decoder.Get(6).Uint())
tx.r = decoder.Get(7).Bytes()
tx.s = decoder.Get(8).Bytes()
}
*/
}
func (tx *Transaction) String() string {
@ -228,3 +212,15 @@ func (self *Receipt) String() string {
self.PostState,
self.CumulativeGasUsed)
}
// Transaction slice type for basic sorting
type Transactions []*Transaction
func (s Transactions) Len() int { return len(s) }
func (s Transactions) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
type TxByNonce struct{ Transactions }
func (s TxByNonce) Less(i, j int) bool {
return s.Transactions[i].Nonce < s.Transactions[j].Nonce
}

18
ethchain/transaction_pool.go
View File

@ -91,28 +91,37 @@ func (pool *TxPool) addTransaction(tx *Transaction) {
// Process transaction validates the Tx and processes funds from the
// sender to the recipient.
func (pool *TxPool) ProcessTransaction(tx *Transaction, state *State, toContract bool) (err error) {
func (pool *TxPool) ProcessTransaction(tx *Transaction, state *State, toContract bool) (gas *big.Int, err error) {
defer func() {
if r := recover(); r != nil {
ethutil.Config.Log.Infoln(r)
err = fmt.Errorf("%v", r)
}
}()
gas = new(big.Int)
addGas := func(g *big.Int) { gas.Add(gas, g) }
// Get the sender
sender := state.GetAccount(tx.Sender())
if sender.Nonce != tx.Nonce {
return fmt.Errorf("[TXPL] Invalid account nonce, state nonce is %d transaction nonce is %d instead", sender.Nonce, tx.Nonce)
err = fmt.Errorf("[TXPL] Invalid account nonce, state nonce is %d transaction nonce is %d instead", sender.Nonce, tx.Nonce)
return
}
txTotalBytes := big.NewInt(int64(len(tx.Data)))
txTotalBytes.Div(txTotalBytes, ethutil.Big32)
addGas(new(big.Int).Mul(txTotalBytes, GasSStore))
// Make sure there's enough in the sender's account. Having insufficient
// funds won't invalidate this transaction but simple ignores it.
//totAmount := new(big.Int).Add(tx.Value, new(big.Int).Mul(TxFee, TxFeeRat))
totAmount := new(big.Int).Add(tx.Value, new(big.Int).Mul(tx.Gas, tx.GasPrice))
if sender.Amount.Cmp(totAmount) < 0 {
return fmt.Errorf("[TXPL] Insufficient amount in sender's (%x) account", tx.Sender())
err = fmt.Errorf("[TXPL] Insufficient amount in sender's (%x) account", tx.Sender())
return
}
//fmt.Println(tx)
// Get the receiver
receiver := state.GetAccount(tx.Recipient)
@ -120,6 +129,7 @@ func (pool *TxPool) ProcessTransaction(tx *Transaction, state *State, toContract
// Send Tx to self
if bytes.Compare(tx.Recipient, tx.Sender()) == 0 {
addGas(GasTx)
// Subtract the fee
sender.SubAmount(new(big.Int).Mul(GasTx, tx.GasPrice))
} else {

333
ethchain/types.go
View File

@ -5,206 +5,206 @@ type OpCode int
// Op codes
const (
// 0x0 range - arithmetic ops
oSTOP = 0x00
oADD = 0x01
oMUL = 0x02
oSUB = 0x03
oDIV = 0x04
oSDIV = 0x05
oMOD = 0x06
oSMOD = 0x07
oEXP = 0x08
oNEG = 0x09
oLT = 0x0a
oGT = 0x0b
oEQ = 0x0c
oNOT = 0x0d
STOP = 0x00
ADD = 0x01
MUL = 0x02
SUB = 0x03
DIV = 0x04
SDIV = 0x05
MOD = 0x06
SMOD = 0x07
EXP = 0x08
NEG = 0x09
LT = 0x0a
GT = 0x0b
EQ = 0x0c
NOT = 0x0d
// 0x10 range - bit ops
oAND = 0x10
oOR = 0x11
oXOR = 0x12
oBYTE = 0x13
AND = 0x10
OR = 0x11
XOR = 0x12
BYTE = 0x13
// 0x20 range - crypto
oSHA3 = 0x20
SHA3 = 0x20
// 0x30 range - closure state
oADDRESS = 0x30
oBALANCE = 0x31
oORIGIN = 0x32
oCALLER = 0x33
oCALLVALUE = 0x34
oCALLDATALOAD = 0x35
oCALLDATASIZE = 0x36
oGASPRICE = 0x37
ADDRESS = 0x30
BALANCE = 0x31
ORIGIN = 0x32
CALLER = 0x33
CALLVALUE = 0x34
CALLDATALOAD = 0x35
CALLDATASIZE = 0x36
GASPRICE = 0x37
// 0x40 range - block operations
oPREVHASH = 0x40
oCOINBASE = 0x41
oTIMESTAMP = 0x42
oNUMBER = 0x43
oDIFFICULTY = 0x44
oGASLIMIT = 0x45
PREVHASH = 0x40
COINBASE = 0x41
TIMESTAMP = 0x42
NUMBER = 0x43
DIFFICULTY = 0x44
GASLIMIT = 0x45
// 0x50 range - 'storage' and execution
oPOP = 0x51
oDUP = 0x52
oSWAP = 0x53
oMLOAD = 0x54
oMSTORE = 0x55
oMSTORE8 = 0x56
oSLOAD = 0x57
oSSTORE = 0x58
oJUMP = 0x59
oJUMPI = 0x5a
oPC = 0x5b
oMSIZE = 0x5c
POP = 0x51
DUP = 0x52
SWAP = 0x53
MLOAD = 0x54
MSTORE = 0x55
MSTORE8 = 0x56
SLOAD = 0x57
SSTORE = 0x58
JUMP = 0x59
JUMPI = 0x5a
PC = 0x5b
MSIZE = 0x5c
// 0x60 range
oPUSH1 = 0x60
oPUSH2 = 0x61
oPUSH3 = 0x62
oPUSH4 = 0x63
oPUSH5 = 0x64
oPUSH6 = 0x65
oPUSH7 = 0x66
oPUSH8 = 0x67
oPUSH9 = 0x68
oPUSH10 = 0x69
oPUSH11 = 0x6a
oPUSH12 = 0x6b
oPUSH13 = 0x6c
oPUSH14 = 0x6d
oPUSH15 = 0x6e
oPUSH16 = 0x6f
oPUSH17 = 0x70
oPUSH18 = 0x71
oPUSH19 = 0x72
oPUSH20 = 0x73
oPUSH21 = 0x74
oPUSH22 = 0x75
oPUSH23 = 0x76
oPUSH24 = 0x77
oPUSH25 = 0x78
oPUSH26 = 0x79
oPUSH27 = 0x7a
oPUSH28 = 0x7b
oPUSH29 = 0x7c
oPUSH30 = 0x7d
oPUSH31 = 0x7e
oPUSH32 = 0x7f
PUSH1 = 0x60
PUSH2 = 0x61
PUSH3 = 0x62
PUSH4 = 0x63
PUSH5 = 0x64
PUSH6 = 0x65
PUSH7 = 0x66
PUSH8 = 0x67
PUSH9 = 0x68
PUSH10 = 0x69
PUSH11 = 0x6a
PUSH12 = 0x6b
PUSH13 = 0x6c
PUSH14 = 0x6d
PUSH15 = 0x6e
PUSH16 = 0x6f
PUSH17 = 0x70
PUSH18 = 0x71
PUSH19 = 0x72
PUSH20 = 0x73
PUSH21 = 0x74
PUSH22 = 0x75
PUSH23 = 0x76
PUSH24 = 0x77
PUSH25 = 0x78
PUSH26 = 0x79
PUSH27 = 0x7a
PUSH28 = 0x7b
PUSH29 = 0x7c
PUSH30 = 0x7d
PUSH31 = 0x7e
PUSH32 = 0x7f
// 0xf0 range - closures
oCREATE = 0xf0
oCALL = 0xf1
oRETURN = 0xf2
CREATE = 0xf0
CALL = 0xf1
RETURN = 0xf2
// 0x70 range - other
oLOG = 0xfe // XXX Unofficial
oSUICIDE = 0xff
LOG = 0xfe // XXX Unofficial
SUICIDE = 0xff
)
// Since the opcodes aren't all in order we can't use a regular slice
var opCodeToString = map[OpCode]string{
// 0x0 range - arithmetic ops
oSTOP: "STOP",
oADD: "ADD",
oMUL: "MUL",
oSUB: "SUB",
oDIV: "DIV",
oSDIV: "SDIV",
oMOD: "MOD",
oSMOD: "SMOD",
oEXP: "EXP",
oNEG: "NEG",
oLT: "LT",
oGT: "GT",
oEQ: "EQ",
oNOT: "NOT",
STOP: "STOP",
ADD: "ADD",
MUL: "MUL",
SUB: "SUB",
DIV: "DIV",
SDIV: "SDIV",
MOD: "MOD",
SMOD: "SMOD",
EXP: "EXP",
NEG: "NEG",
LT: "LT",
GT: "GT",
EQ: "EQ",
NOT: "NOT",
// 0x10 range - bit ops
oAND: "AND",
oOR: "OR",
oXOR: "XOR",
oBYTE: "BYTE",
AND: "AND",
OR: "OR",
XOR: "XOR",
BYTE: "BYTE",
// 0x20 range - crypto
oSHA3: "SHA3",
SHA3: "SHA3",
// 0x30 range - closure state
oADDRESS: "ADDRESS",
oBALANCE: "BALANCE",
oORIGIN: "ORIGIN",
oCALLER: "CALLER",
oCALLVALUE: "CALLVALUE",
oCALLDATALOAD: "CALLDATALOAD",
oCALLDATASIZE: "CALLDATASIZE",
oGASPRICE: "TXGASPRICE",
ADDRESS: "ADDRESS",
BALANCE: "BALANCE",
ORIGIN: "ORIGIN",
CALLER: "CALLER",
CALLVALUE: "CALLVALUE",
CALLDATALOAD: "CALLDATALOAD",
CALLDATASIZE: "CALLDATASIZE",
GASPRICE: "TXGASPRICE",
// 0x40 range - block operations
oPREVHASH: "PREVHASH",
oCOINBASE: "COINBASE",
oTIMESTAMP: "TIMESTAMP",
oNUMBER: "NUMBER",
oDIFFICULTY: "DIFFICULTY",
oGASLIMIT: "GASLIMIT",
PREVHASH: "PREVHASH",
COINBASE: "COINBASE",
TIMESTAMP: "TIMESTAMP",
NUMBER: "NUMBER",
DIFFICULTY: "DIFFICULTY",
GASLIMIT: "GASLIMIT",
// 0x50 range - 'storage' and execution
oDUP: "DUP",
oSWAP: "SWAP",
oMLOAD: "MLOAD",
oMSTORE: "MSTORE",
oMSTORE8: "MSTORE8",
oSLOAD: "SLOAD",
oSSTORE: "SSTORE",
oJUMP: "JUMP",
oJUMPI: "JUMPI",
oPC: "PC",
oMSIZE: "MSIZE",
DUP: "DUP",
SWAP: "SWAP",
MLOAD: "MLOAD",
MSTORE: "MSTORE",
MSTORE8: "MSTORE8",
SLOAD: "SLOAD",
SSTORE: "SSTORE",
JUMP: "JUMP",
JUMPI: "JUMPI",
PC: "PC",
MSIZE: "MSIZE",
// 0x60 range - push
oPUSH1: "PUSH1",
oPUSH2: "PUSH2",
oPUSH3: "PUSH3",
oPUSH4: "PUSH4",
oPUSH5: "PUSH5",
oPUSH6: "PUSH6",
oPUSH7: "PUSH7",
oPUSH8: "PUSH8",
oPUSH9: "PUSH9",
oPUSH10: "PUSH10",
oPUSH11: "PUSH11",
oPUSH12: "PUSH12",
oPUSH13: "PUSH13",
oPUSH14: "PUSH14",
oPUSH15: "PUSH15",
oPUSH16: "PUSH16",
oPUSH17: "PUSH17",
oPUSH18: "PUSH18",
oPUSH19: "PUSH19",
oPUSH20: "PUSH20",
oPUSH21: "PUSH21",
oPUSH22: "PUSH22",
oPUSH23: "PUSH23",
oPUSH24: "PUSH24",
oPUSH25: "PUSH25",
oPUSH26: "PUSH26",
oPUSH27: "PUSH27",
oPUSH28: "PUSH28",
oPUSH29: "PUSH29",
oPUSH30: "PUSH30",
oPUSH31: "PUSH31",
oPUSH32: "PUSH32",
PUSH1: "PUSH1",
PUSH2: "PUSH2",
PUSH3: "PUSH3",
PUSH4: "PUSH4",
PUSH5: "PUSH5",
PUSH6: "PUSH6",
PUSH7: "PUSH7",
PUSH8: "PUSH8",
PUSH9: "PUSH9",
PUSH10: "PUSH10",
PUSH11: "PUSH11",
PUSH12: "PUSH12",
PUSH13: "PUSH13",
PUSH14: "PUSH14",
PUSH15: "PUSH15",
PUSH16: "PUSH16",
PUSH17: "PUSH17",
PUSH18: "PUSH18",
PUSH19: "PUSH19",
PUSH20: "PUSH20",
PUSH21: "PUSH21",
PUSH22: "PUSH22",
PUSH23: "PUSH23",
PUSH24: "PUSH24",
PUSH25: "PUSH25",
PUSH26: "PUSH26",
PUSH27: "PUSH27",
PUSH28: "PUSH28",
PUSH29: "PUSH29",
PUSH30: "PUSH30",
PUSH31: "PUSH31",
PUSH32: "PUSH32",
// 0xf0 range
oCREATE: "CREATE",
oCALL: "CALL",
oRETURN: "RETURN",
CREATE: "CREATE",
CALL: "CALL",
RETURN: "RETURN",
// 0x70 range - other
oLOG: "LOG",
oSUICIDE: "SUICIDE",
LOG: "LOG",
SUICIDE: "SUICIDE",
}
func (o OpCode) String() string {
@ -322,10 +322,3 @@ func IsOpCode(s string) bool {
}
return false
}
func AppendScript(init, script []byte) []byte {
s := append(init, byte(oRETURN))
s = append(s, script...)
return s
}

164
ethchain/vm.go
View File

@ -21,11 +21,10 @@ var (
GasTx = big.NewInt(500)
)
func CalculateTxGas(initSize, scriptSize *big.Int) *big.Int {
func CalculateTxGas(initSize *big.Int) *big.Int {
totalGas := new(big.Int)
totalGas.Add(totalGas, GasCreate)
txTotalBytes := new(big.Int).Add(initSize, scriptSize)
txTotalBytes := new(big.Int).Set(initSize)
txTotalBytes.Div(txTotalBytes, ethutil.Big32)
totalGas.Add(totalGas, new(big.Int).Mul(txTotalBytes, GasSStore))
@ -92,12 +91,14 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
pc := big.NewInt(0)
// Current step count
step := 0
prevStep := 0
if ethutil.Config.Debug {
ethutil.Config.Log.Debugf("# op\n")
}
for {
prevStep = step
// The base for all big integer arithmetic
base := new(big.Int)
@ -111,16 +112,16 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
}
gas := new(big.Int)
useGas := func(amount *big.Int) {
setStepGasUsage := func(amount *big.Int) {
gas.Add(gas, amount)
}
switch op {
case oSHA3:
useGas(GasSha)
case oSLOAD:
useGas(GasSLoad)
case oSSTORE:
case SHA3:
setStepGasUsage(GasSha)
case SLOAD:
setStepGasUsage(GasSLoad)
case SSTORE:
var mult *big.Int
y, x := stack.Peekn()
val := closure.GetMem(x)
@ -131,67 +132,64 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
} else {
mult = ethutil.Big1
}
useGas(new(big.Int).Mul(mult, GasSStore))
case oBALANCE:
useGas(GasBalance)
case oCREATE:
setStepGasUsage(new(big.Int).Mul(mult, GasSStore))
case BALANCE:
setStepGasUsage(GasBalance)
case CREATE:
require(3)
args := stack.Get(big.NewInt(3))
initSize := new(big.Int).Add(args[1], args[0])
useGas(CalculateTxGas(initSize, ethutil.Big0))
case oCALL:
useGas(GasCall)
case oMLOAD, oMSIZE, oMSTORE8, oMSTORE:
useGas(GasMemory)
setStepGasUsage(CalculateTxGas(initSize))
case CALL:
setStepGasUsage(GasCall)
case MLOAD, MSIZE, MSTORE8, MSTORE:
setStepGasUsage(GasMemory)
default:
useGas(GasStep)
setStepGasUsage(GasStep)
}
if closure.Gas.Cmp(gas) < 0 {
if !closure.UseGas(gas) {
ethutil.Config.Log.Debugln("Insufficient gas", closure.Gas, gas)
return closure.Return(nil), fmt.Errorf("insufficient gas %v %v", closure.Gas, gas)
}
// Sub the amount of gas from the remaining
closure.Gas.Sub(closure.Gas, gas)
switch op {
case oLOG:
case LOG:
stack.Print()
mem.Print()
// 0x20 range
case oADD:
case ADD:
require(2)
x, y := stack.Popn()
// (x + y) % 2 ** 256
base.Add(x, y)
// Pop result back on the stack
stack.Push(base)
case oSUB:
case SUB:
require(2)
x, y := stack.Popn()
// (x - y) % 2 ** 256
base.Sub(x, y)
// Pop result back on the stack
stack.Push(base)
case oMUL:
case MUL:
require(2)
x, y := stack.Popn()
// (x * y) % 2 ** 256
base.Mul(x, y)
// Pop result back on the stack
stack.Push(base)
case oDIV:
case DIV:
require(2)
x, y := stack.Popn()
// floor(x / y)
base.Div(x, y)
// Pop result back on the stack
stack.Push(base)
case oSDIV:
case SDIV:
require(2)
x, y := stack.Popn()
// n > 2**255
@ -208,12 +206,12 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
}
// Push result on to the stack
stack.Push(z)
case oMOD:
case MOD:
require(2)
x, y := stack.Popn()
base.Mod(x, y)
stack.Push(base)
case oSMOD:
case SMOD:
require(2)
x, y := stack.Popn()
// n > 2**255
@ -230,17 +228,17 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
}
// Push result on to the stack
stack.Push(z)
case oEXP:
case EXP:
require(2)
x, y := stack.Popn()
base.Exp(x, y, Pow256)
stack.Push(base)
case oNEG:
case NEG:
require(1)
base.Sub(Pow256, stack.Pop())
stack.Push(base)
case oLT:
case LT:
require(2)
x, y := stack.Popn()
// x < y
@ -249,7 +247,7 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
} else {
stack.Push(ethutil.BigFalse)
}
case oGT:
case GT:
require(2)
x, y := stack.Popn()
// x > y
@ -258,7 +256,7 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
} else {
stack.Push(ethutil.BigFalse)
}
case oEQ:
case EQ:
require(2)
x, y := stack.Popn()
// x == y
@ -267,7 +265,7 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
} else {
stack.Push(ethutil.BigFalse)
}
case oNOT:
case NOT:
require(1)
x := stack.Pop()
if x.Cmp(ethutil.BigFalse) == 0 {
@ -277,7 +275,7 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
}
// 0x10 range
case oAND:
case AND:
require(2)
x, y := stack.Popn()
if (x.Cmp(ethutil.BigTrue) >= 0) && (y.Cmp(ethutil.BigTrue) >= 0) {
@ -286,7 +284,7 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
stack.Push(ethutil.BigFalse)
}
case oOR:
case OR:
require(2)
x, y := stack.Popn()
if (x.Cmp(ethutil.BigInt0) >= 0) || (y.Cmp(ethutil.BigInt0) >= 0) {
@ -294,11 +292,11 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
} else {
stack.Push(ethutil.BigFalse)
}
case oXOR:
case XOR:
require(2)
x, y := stack.Popn()
stack.Push(base.Xor(x, y))
case oBYTE:
case BYTE:
require(2)
val, th := stack.Popn()
if th.Cmp(big.NewInt(32)) < 0 {
@ -308,92 +306,92 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
}
// 0x20 range
case oSHA3:
case SHA3:
require(2)
size, offset := stack.Popn()
data := mem.Get(offset.Int64(), size.Int64())
stack.Push(ethutil.BigD(data))
// 0x30 range
case oADDRESS:
case ADDRESS:
stack.Push(ethutil.BigD(closure.Object().Address()))
case oBALANCE:
case BALANCE:
stack.Push(closure.object.Amount)
case oORIGIN:
case ORIGIN:
stack.Push(ethutil.BigD(vm.vars.Origin))
case oCALLER:
case CALLER:
stack.Push(ethutil.BigD(closure.Callee().Address()))
case oCALLVALUE:
case CALLVALUE:
stack.Push(vm.vars.Value)
case oCALLDATALOAD:
case CALLDATALOAD:
require(1)
offset := stack.Pop().Int64()
val := closure.Args[offset : offset+32]
stack.Push(ethutil.BigD(val))
case oCALLDATASIZE:
case CALLDATASIZE:
stack.Push(big.NewInt(int64(len(closure.Args))))
case oGASPRICE:
case GASPRICE:
stack.Push(closure.Price)
// 0x40 range
case oPREVHASH:
case PREVHASH:
stack.Push(ethutil.BigD(vm.vars.PrevHash))
case oCOINBASE:
case COINBASE:
stack.Push(ethutil.BigD(vm.vars.Coinbase))
case oTIMESTAMP:
case TIMESTAMP:
stack.Push(big.NewInt(vm.vars.Time))
case oNUMBER:
case NUMBER:
stack.Push(big.NewInt(int64(vm.vars.BlockNumber)))
case oDIFFICULTY:
case DIFFICULTY:
stack.Push(vm.vars.Diff)
case oGASLIMIT:
case GASLIMIT:
// TODO
stack.Push(big.NewInt(0))
// 0x50 range
case oPUSH1, oPUSH2, oPUSH3, oPUSH4, oPUSH5, oPUSH6, oPUSH7, oPUSH8, oPUSH9, oPUSH10, oPUSH11, oPUSH12, oPUSH13, oPUSH14, oPUSH15, oPUSH16, oPUSH17, oPUSH18, oPUSH19, oPUSH20, oPUSH21, oPUSH22, oPUSH23, oPUSH24, oPUSH25, oPUSH26, oPUSH27, oPUSH28, oPUSH29, oPUSH30, oPUSH31, oPUSH32:
a := big.NewInt(int64(op) - int64(oPUSH1) + 1)
case PUSH1, PUSH2, PUSH3, PUSH4, PUSH5, PUSH6, PUSH7, PUSH8, PUSH9, PUSH10, PUSH11, PUSH12, PUSH13, PUSH14, PUSH15, PUSH16, PUSH17, PUSH18, PUSH19, PUSH20, PUSH21, PUSH22, PUSH23, PUSH24, PUSH25, PUSH26, PUSH27, PUSH28, PUSH29, PUSH30, PUSH31, PUSH32:
a := big.NewInt(int64(op) - int64(PUSH1) + 1)
pc.Add(pc, ethutil.Big1)
data := closure.Gets(pc, a)
val := ethutil.BigD(data.Bytes())
// Push value to stack
stack.Push(val)
pc.Add(pc, a.Sub(a, big.NewInt(1)))
step++
case oPOP:
step += int(op) - int(PUSH1) + 1
case POP:
require(1)
stack.Pop()
case oDUP:
case DUP:
require(1)
stack.Push(stack.Peek())
case oSWAP:
case SWAP:
require(2)
x, y := stack.Popn()
stack.Push(y)
stack.Push(x)
case oMLOAD:
case MLOAD:
require(1)
offset := stack.Pop()
stack.Push(ethutil.BigD(mem.Get(offset.Int64(), 32)))
case oMSTORE: // Store the value at stack top-1 in to memory at location stack top
case MSTORE: // Store the value at stack top-1 in to memory at location stack top
require(2)
// Pop value of the stack
val, mStart := stack.Popn()
mem.Set(mStart.Int64(), 32, ethutil.BigToBytes(val, 256))
case oMSTORE8:
case MSTORE8:
require(2)
val, mStart := stack.Popn()
base.And(val, new(big.Int).SetInt64(0xff))
mem.Set(mStart.Int64(), 32, ethutil.BigToBytes(base, 256))
case oSLOAD:
case SLOAD:
require(1)
loc := stack.Pop()
val := closure.GetMem(loc)
//fmt.Println("get", val.BigInt(), "@", loc)
stack.Push(val.BigInt())
case oSSTORE:
case SSTORE:
require(2)
val, loc := stack.Popn()
//fmt.Println("storing", val, "@", loc)
@ -401,13 +399,13 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
// Add the change to manifest
vm.state.manifest.AddStorageChange(closure.Object(), loc.Bytes(), val)
case oJUMP:
case JUMP:
require(1)
pc = stack.Pop()
// Reduce pc by one because of the increment that's at the end of this for loop
//pc.Sub(pc, ethutil.Big1)
continue
case oJUMPI:
case JUMPI:
require(2)
cond, pos := stack.Popn()
if cond.Cmp(ethutil.BigTrue) == 0 {
@ -415,12 +413,12 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
//pc.Sub(pc, ethutil.Big1)
continue
}
case oPC:
case PC:
stack.Push(pc)
case oMSIZE:
case MSIZE:
stack.Push(big.NewInt(int64(mem.Len())))
// 0x60 range
case oCREATE:
case CREATE:
require(3)
value := stack.Pop()
@ -439,9 +437,10 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
// Transfer all remaining gas to the new
// contract so it may run the init script
gas := new(big.Int).Set(closure.Gas)
closure.Gas.Sub(closure.Gas, gas)
closure.UseGas(gas)
// Create the closure
closure := NewClosure(closure.callee,
c := NewClosure(closure.callee,
closure.Object(),
contract.initScript,
vm.state,
@ -449,7 +448,8 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
closure.Price)
// Call the closure and set the return value as
// main script.
closure.Script, err = closure.Call(vm, nil, hook)
c.Script, _, err = c.Call(vm, nil, hook)
if err != nil {
stack.Push(ethutil.BigFalse)
@ -460,7 +460,7 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
vm.state.UpdateStateObject(contract)
}
case oCALL:
case CALL:
require(7)
// Closure addr
addr := stack.Pop()
@ -492,7 +492,7 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
// Copy
gas = new(big.Int).Set(closure.Gas)
}
closure.Gas.Sub(closure.Gas, gas)
closure.UseGas(gas)
// Add the value to the state object
contract.AddAmount(value)
@ -500,7 +500,7 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
// Create a new callable closure
closure := NewClosure(closure.Object(), contract, contract.script, vm.state, gas, closure.Price)
// Executer the closure and get the return value (if any)
ret, err := closure.Call(vm, args, hook)
ret, _, err := closure.Call(vm, args, hook)
if err != nil {
stack.Push(ethutil.BigFalse)
// Reset the changes applied this object
@ -516,13 +516,13 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
ethutil.Config.Log.Debugf("Contract %x not found\n", addr.Bytes())
stack.Push(ethutil.BigFalse)
}
case oRETURN:
case RETURN:
require(2)
size, offset := stack.Popn()
ret := mem.Get(offset.Int64(), size.Int64())
return closure.Return(ret), nil
case oSUICIDE:
case SUICIDE:
require(1)
receiver := vm.state.GetAccount(stack.Pop().Bytes())
@ -532,7 +532,7 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
closure.object.state.Purge()
fallthrough
case oSTOP: // Stop the closure
case STOP: // Stop the closure
return closure.Return(nil), nil
default:
ethutil.Config.Log.Debugf("Invalid opcode %x\n", op)
@ -543,7 +543,7 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
pc.Add(pc, ethutil.Big1)
if hook != nil {
if !hook(step-1, op, mem, stack, closure.Object()) {
if !hook(prevStep, op, mem, stack, closure.Object()) {
return nil, nil
}
}

5
ethminer/miner.go
View File

@ -5,6 +5,7 @@ import (
"github.com/ethereum/eth-go/ethchain"
"github.com/ethereum/eth-go/ethutil"
"github.com/ethereum/eth-go/ethwire"
"sort"
)
type Miner struct {
@ -12,7 +13,7 @@ type Miner struct {
ethereum ethchain.EthManager
coinbase []byte
reactChan chan ethutil.React
txs []*ethchain.Transaction
txs ethchain.Transactions
uncles []*ethchain.Block
block *ethchain.Block
powChan chan []byte
@ -132,6 +133,8 @@ func (self *Miner) mineNewBlock() {
self.block.SetUncles(self.uncles)
}
// Sort the transactions by nonce in case of odd network propagation
sort.Sort(ethchain.TxByNonce{self.txs})
// Accumulate all valid transaction and apply them to the new state
receipts, txs := stateManager.ApplyTransactions(self.block.State(), self.block, self.txs)
self.txs = txs