gaspersic/go-ethereum
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Read most protocol params from common/params.json

Browse Source 
* Add params package with exported variables generated from
  github.com/ethereum/common/blob/master/params.json
* Use params package variables in applicable places
* Add check for minimum gas limit in validation of block's gas limit
* Remove common/params.json from go-ethereum to avoid
  outdated version of it
This commit is contained in:
Gustav Simonsson
2015-04-02 05:17:15 +02:00
parent 516ec28544
commit c26c8d3a44
15 changed files with 126 additions and 163 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
core/vm/address.go
View File

@@ -5,6 +5,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/params"
)
type Address interface {
@@ -27,28 +28,28 @@ func PrecompiledContracts() map[string]*PrecompiledAccount {
return map[string]*PrecompiledAccount{
// ECRECOVER
string(common.LeftPadBytes([]byte{1}, 20)): &PrecompiledAccount{func(l int) *big.Int {
return GasEcrecover
return params.EcrecoverGas
}, ecrecoverFunc},
// SHA256
string(common.LeftPadBytes([]byte{2}, 20)): &PrecompiledAccount{func(l int) *big.Int {
n := big.NewInt(int64(l+31) / 32)
n.Mul(n, GasSha256Word)
return n.Add(n, GasSha256Base)
n.Mul(n, params.Sha256WordGas)
return n.Add(n, params.Sha256Gas)
}, sha256Func},
// RIPEMD160
string(common.LeftPadBytes([]byte{3}, 20)): &PrecompiledAccount{func(l int) *big.Int {
n := big.NewInt(int64(l+31) / 32)
n.Mul(n, GasRipemdWord)
return n.Add(n, GasRipemdBase)
n.Mul(n, params.Ripemd160WordGas)
return n.Add(n, params.Ripemd160Gas)
}, ripemd160Func},
string(common.LeftPadBytes([]byte{4}, 20)): &PrecompiledAccount{func(l int) *big.Int {
n := big.NewInt(int64(l+31) / 32)
n.Mul(n, GasIdentityWord)
n.Mul(n, params.IdentityWordGas)
return n.Add(n, GasIdentityBase)
return n.Add(n, params.IdentityGas)
}, memCpy},
}
}