mirrors/tendermint
1
0
Fork 0
mirror of https://github.com/tendermint/tendermint.git synced 2026-09-20 06:54:41 +00:00
Code Issues Packages Projects Releases Wiki Activity

tiny fixes

Browse Source
This commit is contained in:
Ethan Buchman
2015-04-17 17:43:45 -07:00
parent a9467414d6
commit 3579a3fdb9
3 changed files with 35 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files
vm/vm.go
+31 -14
View File
@@ -147,7 +147,7 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
xb := new(big.Int).SetBytes(flip(x[:]))
yb := new(big.Int).SetBytes(flip(y[:]))
prod := new(big.Int).Mul(xb, yb)
stack.Push(RightPadWord256(flip(prod.Bytes())))
stack.Push(RightPadWord256(flip(rightMostBytes(prod.Bytes(), 32))))
dbg.Printf(" %v * %v = %v\n", xb, yb, prod)
case SUB: // 0x03
@@ -304,13 +304,24 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
dbg.Printf(" %v == 0 = %v\n", x, x == 0)
case AND: // 0x16
x, y := stack.Pop64(), stack.Pop64()
stack.Push64(x & y)
dbg.Printf(" %v & %v = %v\n", x, y, x&y)
//x, y := stack.Pop64(), stack.Pop64()
//stack.Push64(x & y)
x, y := stack.Pop(), stack.Pop()
xb := new(big.Int).SetBytes(flip(x[:]))
yb := new(big.Int).SetBytes(flip(y[:]))
res := new(big.Int).And(xb, yb)
stack.Push(RightPadWord256(flip(res.Bytes())))
dbg.Printf(" %v & %v = %v\n", xb, yb, res)
case OR: // 0x17
x, y := stack.Pop64(), stack.Pop64()
stack.Push64(x | y)
dbg.Printf(" %v | %v = %v\n", x, y, x|y)
//x, y := stack.Pop64(), stack.Pop64()
//stack.Push64(x | y)
//dbg.Printf(" %v | %v = %v\n", x, y, x|y)
x, y := stack.Pop(), stack.Pop()
xb := new(big.Int).SetBytes(flip(x[:]))
yb := new(big.Int).SetBytes(flip(y[:]))
res := new(big.Int).Or(xb, yb)
stack.Push(RightPadWord256(flip(res.Bytes())))
dbg.Printf(" %v & %v = %v\n", xb, yb, res)
case XOR: // 0x18
x, y := stack.Pop64(), stack.Pop64()
@@ -345,8 +356,8 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
dbg.Printf(" => (%v) %X\n", size, data)
case ADDRESS: // 0x30
stack.Push(callee.Address)
dbg.Printf(" => %X\n", callee.Address)
stack.Push(flipWord(callee.Address))
dbg.Printf(" => %X\n", flipWord(callee.Address))
case BALANCE: // 0x31
addr := stack.Pop()
@@ -362,12 +373,12 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
dbg.Printf(" => %v (%X)\n", balance, addr)
case ORIGIN: // 0x32
stack.Push(vm.origin)
dbg.Printf(" => %X\n", vm.origin)
stack.Push(flipWord(vm.origin))
dbg.Printf(" => %X\n", flipWord(vm.origin))
case CALLER: // 0x33
stack.Push(caller.Address)
dbg.Printf(" => %X\n", caller.Address)
stack.Push(flipWord(caller.Address))
dbg.Printf(" => %X\n", flipWord(caller.Address))
case CALLVALUE: // 0x34
stack.Push64(value)
@@ -616,7 +627,7 @@ func (vm *VM) call(caller, callee *Account, code, input []byte, value uint64, ga
stack.Push(Zero256)
} else {
newAccount.Code = ret // Set the code
stack.Push(newAccount.Address)
stack.Push(flipWord(newAccount.Address))
}
case CALL, CALLCODE: // 0xF1, 0xF2
@@ -732,6 +743,12 @@ func subslice(data []byte, offset, length uint64, flip_ bool) (ret []byte, ok bo
return
}
func rightMostBytes(data []byte, n int) []byte {
size := MinInt(len(data), n)
offset := len(data) - size
return data[offset:]
}
func codeGetOp(code []byte, n uint64) OpCode {
if uint64(len(code)) <= n {
return OpCode(0) // stop