fix error of timeout when using Truffle to deploy contract (#768)

* fix error of timeout when using Truffle to deploy contract

* fix CHANGELOG.MD

Co-authored-by: Daniel Choi <13338103+araskachoi@users.noreply.github.com>

Author: KamiD

CHANGELOG.md

@@ -43,6 +43,8 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (evm) [\#670](https://github.com/cosmos/ethermint/pull/670) Migrate types to the ones defined by the protobuf messages, which are required for the stargate release.
 
 ### Bug Fixes
+
+* (evm) [\#767](https://github.com/cosmos/ethermint/issues/767) Fix error of timeout when using Truffle to deploy contract.
 * (evm) [\#751](https://github.com/cosmos/ethermint/issues/751) Fix misused method to calculate block hash in evm related function.
 * (evm) [\#721](https://github.com/cosmos/ethermint/issues/721) Fix mismatch block hash in rpc response when use eht.getBlock.
 * (evm) [\#730](https://github.com/cosmos/ethermint/issues/730) Fix 'EIP2028' not open when Istanbul version has been enabled. 

rpc/types/utils.go

@@ -125,7 +125,7 @@ func EthTransactionsFromTendermint(clientCtx clientcontext.CLIContext, txs []tmt
 			continue
 		}
 		// TODO: Remove gas usage calculation if saving gasUsed per block
-		gasUsed.Add(gasUsed, ethTx.Fee())
+		gasUsed.Add(gasUsed, big.NewInt(int64(ethTx.GetGas())))
 		transactionHashes = append(transactionHashes, common.BytesToHash(tx.Hash()))
 	}