Problem: gas consumed differs after enabled cache (#570)

* Problem: gas consumed differs after enabled cache

* fix test

* Revert "Problem: gas consumed differs after enabled cache"

This reverts commit f33944e.

* Revert "Problem: signature verification result not cache between incarnations of same tx (#565)"

This reverts commit 5a1594f.

* keep interface

core/coins/format.go

@@ -84,6 +84,11 @@ func FormatCoins(coins []*basev1beta1.Coin, metadata []*bankv1beta1.Metadata) (s
 		if err != nil {
 			return "", err
 		}
+		// If a coin contains a comma, return an error given that the output
+		// could be misinterpreted by the user as 2 different coins.
+		if strings.Contains(formatted[i], ",") {
+			return "", fmt.Errorf("coin %s contains a comma", formatted[i])
+		}
 	}
 
 	if len(coins) == 0 {

x/auth/ante/sigverify.go

@@ -31,8 +31,6 @@ var (
 	key                = make([]byte, secp256k1.PubKeySize)
 	simSecp256k1Pubkey = &secp256k1.PubKey{Key: key}
 	simSecp256k1Sig    [64]byte
-
-	SigVerificationResultCacheKey = "ante:SigVerificationResult"
 )
 
 func init() {
@@ -252,44 +250,44 @@ func OnlyLegacyAminoSigners(sigData signing.SignatureData) bool {
 	}
 }
 
-func (svd SigVerificationDecorator) anteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool) error {
+func (svd SigVerificationDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (newCtx sdk.Context, err error) {
 	sigTx, ok := tx.(authsigning.Tx)
 	if !ok {
-		return errorsmod.Wrap(sdkerrors.ErrTxDecode, "invalid transaction type")
+		return ctx, errorsmod.Wrap(sdkerrors.ErrTxDecode, "invalid transaction type")
 	}
 
 	// stdSigs contains the sequence number, account number, and signatures.
 	// When simulating, this would just be a 0-length slice.
 	sigs, err := sigTx.GetSignaturesV2()
 	if err != nil {
-		return err
+		return ctx, err
 	}
 
 	signers, err := sigTx.GetSigners()
 	if err != nil {
-		return err
+		return ctx, err
 	}
 
 	// check that signer length and signature length are the same
 	if len(sigs) != len(signers) {
-		return errorsmod.Wrapf(sdkerrors.ErrUnauthorized, "invalid number of signer;  expected: %d, got %d", len(signers), len(sigs))
+		return ctx, errorsmod.Wrapf(sdkerrors.ErrUnauthorized, "invalid number of signer;  expected: %d, got %d", len(signers), len(sigs))
 	}
 
 	for i, sig := range sigs {
 		acc, err := GetSignerAcc(ctx, svd.ak, signers[i])
 		if err != nil {
-			return err
+			return ctx, err
 		}
 
 		// retrieve pubkey
 		pubKey := acc.GetPubKey()
 		if !simulate && pubKey == nil {
-			return errorsmod.Wrap(sdkerrors.ErrInvalidPubKey, "pubkey on account is not set")
+			return ctx, errorsmod.Wrap(sdkerrors.ErrInvalidPubKey, "pubkey on account is not set")
 		}
 
 		// Check account sequence number.
 		if sig.Sequence != acc.GetSequence() {
-			return errorsmod.Wrapf(
+			return ctx, errorsmod.Wrapf(
 				sdkerrors.ErrWrongSequence,
 				"account sequence mismatch, expected %d, got %d", acc.GetSequence(), sig.Sequence,
 			)
@@ -319,7 +317,7 @@ func (svd SigVerificationDecorator) anteHandle(ctx sdk.Context, tx sdk.Tx, simul
 			}
 			adaptableTx, ok := tx.(authsigning.V2AdaptableTx)
 			if !ok {
-				return fmt.Errorf("expected tx to implement V2AdaptableTx, got %T", tx)
+				return ctx, fmt.Errorf("expected tx to implement V2AdaptableTx, got %T", tx)
 			}
 			txData := adaptableTx.GetSigningTxData()
 			err = authsigning.VerifySignature(ctx, pubKey, signerData, sig.Data, svd.signModeHandler, txData)
@@ -332,27 +330,12 @@ func (svd SigVerificationDecorator) anteHandle(ctx sdk.Context, tx sdk.Tx, simul
 				} else {
 					errMsg = fmt.Sprintf("signature verification failed; please verify account number (%d) and chain-id (%s): (%s)", accNum, chainID, err.Error())
 				}
-				return errorsmod.Wrap(sdkerrors.ErrUnauthorized, errMsg)
+				return ctx, errorsmod.Wrap(sdkerrors.ErrUnauthorized, errMsg)
 
 			}
 		}
 	}
-	return nil
-}
 
-func (svd SigVerificationDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (newCtx sdk.Context, err error) {
-	if v, ok := ctx.GetIncarnationCache(SigVerificationResultCacheKey); ok {
-		// can't convert `nil` to interface
-		if v != nil {
-			err = v.(error)
-		}
-	} else {
-		err = svd.anteHandle(ctx, tx, simulate)
-		ctx.SetIncarnationCache(SigVerificationResultCacheKey, err)
-	}
-	if err != nil {
-		return ctx, err
-	}
 	return next(ctx, tx, simulate)
 }