add default values to base application

abci/types/application.go

@@ -95,11 +95,11 @@ func (BaseApplication) ApplySnapshotChunk(req RequestApplySnapshotChunk) Respons
 }
 
 func (BaseApplication) PrepareProposal(req RequestPrepareProposal) ResponsePrepareProposal {
-	return ResponsePrepareProposal{}
+	return ResponsePrepareProposal{ModifiedTxStatus: ResponsePrepareProposal_UNMODIFIED}
 }
 
 func (BaseApplication) ProcessProposal(req RequestProcessProposal) ResponseProcessProposal {
-	return ResponseProcessProposal{}
+	return ResponseProcessProposal{Status: ResponseProcessProposal_ACCEPT}
 }
 
 func (BaseApplication) FinalizeBlock(req RequestFinalizeBlock) ResponseFinalizeBlock {