Updated minimum gas usage estimation (#355)

omni · Jan 2, 2020 · 49c0b80 · 49c0b80
1 parent 89e8ffb
commit 49c0b80
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/contracts/upgradeable_contracts/arbitrary_message/MessageDelivery.sol b/contracts/upgradeable_contracts/arbitrary_message/MessageDelivery.sol
@@ -14,7 +14,8 @@ contract MessageDelivery is BasicAMB {
     function getMinimumGasUsage(bytes _data) public pure returns (uint256 gas) {
         //From Ethereum Yellow Paper
         // 68 gas is paid for every non-zero byte of data or code for a transaction
-        return _data.length.mul(68);
+        // Starting from Istanbul hardfork, 16 gas is paid (EIP-2028)
+        return _data.length.mul(16);
     }
 
     /* solcov ignore next */