diff options
Diffstat (limited to 'core/vm/gas.go')
| -rw-r--r-- | core/vm/gas.go | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/core/vm/gas.go b/core/vm/gas.go index bd8b4f1..5cf1d85 100644 --- a/core/vm/gas.go +++ b/core/vm/gas.go @@ -17,7 +17,7 @@ package vm import ( - "math/big" + "github.com/holiman/uint256" ) // Gas costs @@ -30,23 +30,23 @@ const ( GasExtStep uint64 = 20 ) -// calcGas returns the actual gas cost of the call. +// callGas returns the actual gas cost of the call. // // The cost of gas was changed during the homestead price change HF. // As part of EIP 150 (TangerineWhistle), the returned gas is gas - base * 63 / 64. -func callGas(isEip150 bool, availableGas, base uint64, callCost *big.Int) (uint64, error) { +func callGas(isEip150 bool, availableGas, base uint64, callCost *uint256.Int) (uint64, error) { if isEip150 { availableGas = availableGas - base gas := availableGas - availableGas/64 // If the bit length exceeds 64 bit we know that the newly calculated "gas" for EIP150 - // is smaller than the requested amount. Therefor we return the new gas instead + // is smaller than the requested amount. Therefore we return the new gas instead // of returning an error. if !callCost.IsUint64() || gas < callCost.Uint64() { return gas, nil } } if !callCost.IsUint64() { - return 0, errGasUintOverflow + return 0, ErrGasUintOverflow } return callCost.Uint64(), nil |