gaspersic/go-ethereum
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* Code = '' if gas < len(D) * 5
* Sha3 gas   10 + 10 * len(D), rounding up 32 bytes
* Sha256 gas 50 + 50 * len(D), rounding up 32 bytes
* Ripmed gas 50 + 50 * len(D), rounding up 32 bytes
* Accounts and value transfers no longer reverted
This commit is contained in:
obscuren
2014-12-09 20:27:57 +01:00
parent 76842b0df8
commit acf4b5753f
4 changed files with 40 additions and 15 deletions
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18
vm/address.go
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@ -12,7 +12,7 @@ type Address interface {
}
type PrecompiledAddress struct {
Gas *big.Int
Gas func(l int) *big.Int
fn func(in []byte) []byte
}
@ -21,9 +21,19 @@ func (self PrecompiledAddress) Call(in []byte) []byte {
}
var Precompiled = map[uint64]*PrecompiledAddress{
1: &PrecompiledAddress{big.NewInt(500), ecrecoverFunc},
2: &PrecompiledAddress{big.NewInt(100), sha256Func},
3: &PrecompiledAddress{big.NewInt(100), ripemd160Func},
1: &PrecompiledAddress{func(l int) *big.Int {
return GasEcrecover
}, ecrecoverFunc},
2: &PrecompiledAddress{func(l int) *big.Int {
n := big.NewInt(int64(l+31)/32 + 1)
n.Mul(n, GasSha256)
return n
}, sha256Func},
3: &PrecompiledAddress{func(l int) *big.Int {
n := big.NewInt(int64(l+31)/32 + 1)
n.Mul(n, GasRipemd)
return n
}, ripemd160Func},
}
func sha256Func(in []byte) []byte {