From 779ddb183275ed506ebae972876fe04098c738e5 Mon Sep 17 00:00:00 2001 From: Jeffrey Wilcke Date: Thu, 20 Oct 2016 14:27:47 +0200 Subject: core/vm, params: EIP160: EXP reprice --- core/vm/vm.go | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'core') diff --git a/core/vm/vm.go b/core/vm/vm.go index 6e316acda..56aca6912 100644 --- a/core/vm/vm.go +++ b/core/vm/vm.go @@ -313,7 +313,8 @@ func calculateGasAndSize(gasTable params.GasTable, env Environment, contract *Co quadMemGas(mem, newMemSize, gas) case EXP: - gas.Add(gas, new(big.Int).Mul(big.NewInt(int64(len(stack.data[stack.len()-2].Bytes()))), params.ExpByteGas)) + expByteLen := int64((stack.data[stack.len()-2].BitLen() + 7) / 8) + gas.Add(gas, new(big.Int).Mul(big.NewInt(expByteLen), gasTable.ExpByte)) case SSTORE: err := stack.require(2) if err != nil { -- cgit v1.2.3