refactor(baseapp): set vote info to latest votes (#15930)

CHANGELOG.md

@@ -111,6 +111,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (x/feegrant) [#14294](https://github.com/cosmos/cosmos-sdk/pull/14294) Moved the logic of rejecting duplicate grant from `msg_server` to `keeper` method.
 * (x/staking) [#14590](https://github.com/cosmos/cosmos-sdk/pull/14590) `MsgUndelegateResponse` now includes undelegated amount. `x/staking` module's `keeper.Undelegate` now returns 3 values (completionTime,undelegateAmount,error)  instead of 2.
 * (x/staking) (#15731) (https://github.com/cosmos/cosmos-sdk/pull/15731) Introducing a new index to retrieve the delegations by validator efficiently.
+* (baseapp) [#15930](https://github.com/cosmos/cosmos-sdk/pull/15930) change vote info provided by prepare and process proposal to the one in the block 
 
 ### API Breaking Changes
 
@@ -173,9 +174,9 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (x/slashing) [#15875](https://github.com/cosmos/cosmos-sdk/pull/15875) `x/slashing.NewAppModule` now requires an `InterfaceRegistry` parameter.
 * (client) [#15822](https://github.com/cosmos/cosmos-sdk/pull/15822) The return type of the interface method `TxConfig.SignModeHandler` has been changed to `x/tx/signing.HandlerMap`.
 * (x/auth) [#15822](https://github.com/cosmos/cosmos-sdk/pull/15822) The type of struct field `ante.HandlerOptions.SignModeHandler` has been changed to `x/tx/signing.HandlerMap`.
-  * The signature of `NewSigVerificationDecorator` has been changed to accept a `x/tx/signing.HandlerMap`.
-  * The signature of `VerifySignature` has been changed to accept a `x/tx/signing.HandlerMap` and other structs from `x/tx` as arguments.
-  * The signature of `NewTxConfigWithTextual` has been deprecated and its signature changed to accept a `SignModeOptions`.
+    * The signature of `NewSigVerificationDecorator` has been changed to accept a `x/tx/signing.HandlerMap`.
+    * The signature of `VerifySignature` has been changed to accept a `x/tx/signing.HandlerMap` and other structs from `x/tx` as arguments.
+    * The signature of `NewTxConfigWithTextual` has been deprecated and its signature changed to accept a `SignModeOptions`.
 
 ### Client Breaking Changes
 

baseapp/abci.go

@@ -284,7 +284,7 @@ func (app *BaseApp) PrepareProposal(req abci.RequestPrepareProposal) (resp abci.
 	}
 
 	app.prepareProposalState.ctx = app.getContextForProposal(app.prepareProposalState.ctx, req.Height).
-		WithVoteInfos(app.voteInfos).
+		WithVoteInfos(toVoteInfo(req.LocalLastCommit.Votes)). // this is a set of votes that are not finalized yet, wait for commit
 		WithBlockHeight(req.Height).
 		WithBlockTime(req.Time).
 		WithProposer(req.ProposerAddress)
@@ -341,7 +341,7 @@ func (app *BaseApp) ProcessProposal(req abci.RequestProcessProposal) (resp abci.
 	app.setState(runTxProcessProposal, emptyHeader)
 
 	app.processProposalState.ctx = app.getContextForProposal(app.processProposalState.ctx, req.Height).
-		WithVoteInfos(app.voteInfos).
+		WithVoteInfos(req.ProposedLastCommit.Votes). // this is a set of votes that are not finalized yet, wait for commit
 		WithBlockHeight(req.Height).
 		WithBlockTime(req.Time).
 		WithHeaderHash(req.Hash).
@@ -1036,3 +1036,19 @@ func (app *BaseApp) getContextForProposal(ctx sdk.Context, height int64) sdk.Con
 
 	return ctx
 }
+
+// toVoteInfo converts the new ExtendedVoteInfo to VoteInfo.
+func toVoteInfo(votes []abci.ExtendedVoteInfo) []abci.VoteInfo {
+	legacyVotes := make([]abci.VoteInfo, len(votes))
+	for i, vote := range votes {
+		legacyVotes[i] = abci.VoteInfo{
+			Validator: abci.Validator{
+				Address: vote.Validator.Address,
+				Power:   vote.Validator.Power,
+			},
+			SignedLastBlock: vote.SignedLastBlock,
+		}
+	}
+
+	return legacyVotes
+}