gaspersic/go-ethereum
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Renames for chain, updated VM, moved methods

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* Renamed a couple more chain => core
* Updated VM `pc` to be uint64 rather than big int
* XEth interface cleanup
This commit is contained in:
obscuren
2014-12-04 10:53:49 +01:00
parent 9008b155d3
commit 83663ed4b0
9 changed files with 94 additions and 102 deletions
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87
vm/vm_debug.go
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@ -75,35 +75,35 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price *
var (
op OpCode
destinations = analyseJumpDests(closure.Code)
mem = NewMemory()
stack = NewStack()
pc = big.NewInt(0)
step = 0
prevStep = 0
statedb = self.env.State()
require = func(m int) {
destinations = analyseJumpDests(closure.Code)
mem = NewMemory()
stack = NewStack()
pc uint64 = 0
step = 0
prevStep = 0
statedb = self.env.State()
require = func(m int) {
if stack.Len() < m {
panic(fmt.Sprintf("%04v (%v) stack err size = %d, required = %d", pc, op, stack.Len(), m))
}
}
jump = func(from, to *big.Int) {
p := int(to.Int64())
jump = func(from uint64, to *big.Int) {
p := to.Uint64()
self.Printf(" ~> %v", to)
// Return to start
if p == 0 {
pc = big.NewInt(0)
pc = 0
} else {
nop := OpCode(closure.GetOp(p))
if !(nop == JUMPDEST || destinations[from.Int64()] != nil) {
if !(nop == JUMPDEST || destinations[from] != nil) {
panic(fmt.Sprintf("JUMP missed JUMPDEST (%v) %v", nop, p))
} else if nop == JUMP || nop == JUMPI {
panic(fmt.Sprintf("not allowed to JUMP(I) in to JUMP"))
}
pc = to
pc = to.Uint64()
}
@ -125,26 +125,28 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price *
step++
// Get the memory location of pc
op = closure.GetOp(int(pc.Uint64()))
op = closure.GetOp(pc)
// XXX Leave this Println intact. Don't change this to the log system.
// Used for creating diffs between implementations
if self.logTy == LogTyDiff {
switch op {
case STOP, RETURN, SUICIDE:
statedb.GetStateObject(closure.Address()).EachStorage(func(key string, value *ethutil.Value) {
value.Decode()
fmt.Printf("%x %x\n", new(big.Int).SetBytes([]byte(key)).Bytes(), value.Bytes())
})
/*
// XXX Leave this Println intact. Don't change this to the log system.
// Used for creating diffs between implementations
if self.logTy == LogTyDiff {
switch op {
case STOP, RETURN, SUICIDE:
statedb.GetStateObject(closure.Address()).EachStorage(func(key string, value *ethutil.Value) {
value.Decode()
fmt.Printf("%x %x\n", new(big.Int).SetBytes([]byte(key)).Bytes(), value.Bytes())
})
}
b := pc.Bytes()
if len(b) == 0 {
b = []byte{0}
}
fmt.Printf("%x %x %x %x\n", closure.Address(), b, []byte{byte(op)}, closure.Gas.Bytes())
}
b := pc.Bytes()
if len(b) == 0 {
b = []byte{0}
}
fmt.Printf("%x %x %x %x\n", closure.Address(), b, []byte{byte(op)}, closure.Gas.Bytes())
}
*/
gas := new(big.Int)
addStepGasUsage := func(amount *big.Int) {
@ -735,13 +737,15 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price *
// 0x50 range
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.GetRangeValue(pc, a)
//a := big.NewInt(int64(op) - int64(PUSH1) + 1)
a := uint64(op - PUSH1 + 1)
//pc.Add(pc, ethutil.Big1)
data := closure.GetRangeValue(pc+1, a)
val := ethutil.BigD(data.Bytes())
// Push value to stack
stack.Push(val)
pc.Add(pc, a.Sub(a, big.NewInt(1)))
pc += a
//pc.Add(pc, a.Sub(a, big.NewInt(1)))
step += int(op) - int(PUSH1) + 1
@ -750,13 +754,9 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price *
stack.Pop()
case DUP1, DUP2, DUP3, DUP4, DUP5, DUP6, DUP7, DUP8, DUP9, DUP10, DUP11, DUP12, DUP13, DUP14, DUP15, DUP16:
n := int(op - DUP1 + 1)
v := stack.Dupn(n)
stack.Dupn(n)
self.Printf(" => [%d] 0x%x", n, stack.Peek().Bytes())
if OpCode(closure.GetValue(new(big.Int).Add(pc, ethutil.Big1)).Uint()) == POP && OpCode(closure.GetValue(new(big.Int).Add(pc, big.NewInt(2))).Uint()) == POP {
fmt.Println(toValue(v))
}
case SWAP1, SWAP2, SWAP3, SWAP4, SWAP5, SWAP6, SWAP7, SWAP8, SWAP9, SWAP10, SWAP11, SWAP12, SWAP13, SWAP14, SWAP15, SWAP16:
n := int(op - SWAP1 + 2)
x, y := stack.Swapn(n)
@ -811,7 +811,6 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price *
self.Printf(" {0x%x : 0x%x}", loc.Bytes(), val.Bytes())
case JUMP:
jump(pc, stack.Pop())
continue
@ -826,7 +825,7 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price *
case JUMPDEST:
case PC:
stack.Push(pc)
stack.Push(big.NewInt(int64(pc)))
case MSIZE:
stack.Push(big.NewInt(int64(mem.Len())))
case GAS:
@ -940,13 +939,13 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price *
return closure.Return(nil), fmt.Errorf("Invalid opcode %x", op)
}
pc.Add(pc, ethutil.Big1)
pc++
self.Endl()
if self.Dbg != nil {
for _, instrNo := range self.Dbg.BreakPoints() {
if pc.Cmp(big.NewInt(instrNo)) == 0 {
if pc == uint64(instrNo) {
self.Stepping = true
if !self.Dbg.BreakHook(prevStep, op, mem, stack, statedb.GetStateObject(closure.Address())) {