diff options
Diffstat (limited to 'core/state_transition.go')
| -rw-r--r-- | core/state_transition.go | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/core/state_transition.go b/core/state_transition.go index 2c8770cbe..5844ad3c8 100644 --- a/core/state_transition.go +++ b/core/state_transition.go @@ -77,12 +77,19 @@ func MessageGasValue(msg Message) *big.Int { // with the given data. func IntrinsicGas(data []byte) *big.Int { igas := new(big.Int).Set(params.TxGas) - for _, byt := range data { - if byt != 0 { - igas.Add(igas, params.TxDataNonZeroGas) - } else { - igas.Add(igas, params.TxDataZeroGas) + if len(data) > 0 { + var nz int64 + for _, byt := range data { + if byt != 0 { + nz++ + } } + m := big.NewInt(nz) + m.Mul(m, params.TxDataNonZeroGas) + igas.Add(igas, m) + m.SetInt64(int64(len(data)) - nz) + m.Mul(m, params.TxDataZeroGas) + igas.Add(igas, m) } return igas } |