fix: GetBlock rpc api reports wrong gasUsed (backport evmos#878)

* GetBlock rpc api report wrong gasUsed

Closes: evmos#877

Solution:
- workaround at rpc side, ignore the gasUsed in such cases.

* Update rpc/ethereum/backend/backend.go

* changelog

CHANGELOG.md

@@ -42,9 +42,8 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (rpc) [crypto-org-chain#42](https://github.com/crypto-org-chain/ethermint/pull/42) Fix `eth_getLogs` when specify blockHash without address/topics, and limit the response size.
 * (rpc) [tharsis#933](https://github.com/tharsis/ethermint/pull/933) Fix newPendingTransactions subscription deadlock when a Websocket client exits without unsubscribing and the node errors. (backport: #933)
 
-### Bug Fixes
-
 - (rpc) [tharsis#900](https://github.com/tharsis/ethermint/pull/900) newPendingTransactions filter should return ethereum tx hash.
+- (rpc) [tharsis#878](https://github.com/tharsis/ethermint/pull/878) Workaround to make GetBlock RPC api report correct block gas used.
 
 ## [v0.7.2-cronos-6] - 2021-12-17
 

rpc/ethereum/backend/backend.go

@@ -343,6 +343,11 @@ func (e *EVMBackend) EthBlockFromTendermint(
  gasUsed := uint64(0)
 
  for _, txsResult := range txResults {
+ // workaround for cosmos-sdk bug. https://github.com/cosmos/cosmos-sdk/issues/10832
+ if txsResult.GetCode() == 11 && txsResult.GetLog() == "no block gas left to run tx: out of gas" {
+ // block gas limit has exceeded, other txs must have failed with same reason.
+ break
+ }
  gasUsed += uint64(txsResult.GetGasUsed())
  }