fix: append Log in tx post processing response (#1088)

* fix post processing log

* update changelog

CHANGELOG.md

@@ -45,6 +45,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 ### Bug Fixes
 
 * (rpc) [tharsis#1082](https://github.com/tharsis/ethermint/pull/1082) fix gas price returned in getTransaction api.
+* (evm) [tharsis#1088](https://github.com/tharsis/ethermint/pull/1088) Fix ability to append log in tx post processing.
 
 ## [v0.15.0] - 2022-05-09
 

x/evm/keeper/state_transition.go

@@ -271,6 +271,8 @@ func (k *Keeper) ApplyTransaction(ctx sdk.Context, tx *ethtypes.Transaction) (*t
 		} else if commit != nil {
 			// PostTxProcessing is successful, commit the tmpCtx
 			commit()
+			// Since the post processing can alter the log, we need to update the result
+			res.Logs = types.NewLogsFromEth(receipt.Logs)
 			ctx.EventManager().EmitEvents(tmpCtx.EventManager().Events())
 		}
 	}