feat: Incur fixed cost for each x/ssi message

app/ante.go

@@ -0,0 +1,57 @@
+package app
+
+import (
+	"github.com/cosmos/cosmos-sdk/x/auth/ante"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
+	ssiante "github.com/hypersign-protocol/hid-node/x/ssi/ante"
+)
+
+type HandlerOptions struct {
+	ante.HandlerOptions
+
+	SsiKeeper ssiante.SsiKeeper
+}
+
+func NewAnteHandler(options HandlerOptions) (sdk.AnteHandler, error) {
+	if options.AccountKeeper == nil {
+		return nil, sdkerrors.Wrap(sdkerrors.ErrLogic, "account keeper is required for ante builder")
+	}
+
+	if options.BankKeeper == nil {
+		return nil, sdkerrors.Wrap(sdkerrors.ErrLogic, "bank keeper is required for ante builder")
+	}
+
+	if options.SignModeHandler == nil {
+		return nil, sdkerrors.Wrap(sdkerrors.ErrLogic, "sign mode handler is required for ante builder")
+	}
+
+	if options.SsiKeeper == nil {
+		return nil, sdkerrors.Wrap(sdkerrors.ErrLogic, "ssi keeper is required for ante builder")
+	}
+
+	sigGasConsumer := options.SigGasConsumer
+	if sigGasConsumer == nil {
+		sigGasConsumer = ante.DefaultSigVerificationGasConsumer
+	}
+
+	anteDecorators := []sdk.AnteDecorator{
+		ante.NewSetUpContextDecorator(), // outermost AnteDecorator. SetUpContext must be called first
+		ante.NewRejectExtensionOptionsDecorator(),
+		ssiante.NewSSITxDecorator(), // SSITxDecorator MUST always be called before MempoolFeeDecorator
+		ssiante.NewMempoolFeeDecorator(), // MempoolFeeDecorator MUST always be called before DeductFeeDecorator
+		ante.NewValidateBasicDecorator(),
+		ante.NewTxTimeoutHeightDecorator(),
+		ante.NewValidateMemoDecorator(options.AccountKeeper),
+		ante.NewConsumeGasForTxSizeDecorator(options.AccountKeeper),
+		ssiante.NewDeductFeeDecorator(options.AccountKeeper, options.BankKeeper, options.FeegrantKeeper, options.SsiKeeper),
+		ante.NewSetPubKeyDecorator(options.AccountKeeper), // SetPubKeyDecorator must be called before all signature verification decorators
+		ante.NewValidateSigCountDecorator(options.AccountKeeper),
+		ante.NewSigGasConsumeDecorator(options.AccountKeeper, sigGasConsumer),
+		ante.NewSigVerificationDecorator(options.AccountKeeper, options.SignModeHandler),
+		ante.NewIncrementSequenceDecorator(options.AccountKeeper),
+	}
+
+	return sdk.ChainAnteDecorators(anteDecorators...), nil
+}

app/app.go

@@ -193,22 +193,22 @@ type App struct {
 	memKeys map[string]*sdk.MemoryStoreKey
 
 	// keepers
-	AccountKeeper    authkeeper.AccountKeeper
-	BankKeeper       bankkeeper.Keeper
-	CapabilityKeeper *capabilitykeeper.Keeper
-	StakingKeeper    stakingkeeper.Keeper
-	SlashingKeeper   slashingkeeper.Keeper
-	MintKeeper       mintkeeper.Keeper
-	DistrKeeper      distrkeeper.Keeper
-	GovKeeper        govkeeper.Keeper
-	CrisisKeeper     crisiskeeper.Keeper
-	UpgradeKeeper    upgradekeeper.Keeper
-	ParamsKeeper     paramskeeper.Keeper
-	IBCKeeper        *ibckeeper.Keeper // IBC Keeper must be a pointer in the app, so we can SetRouter on it correctly
-	EvidenceKeeper   evidencekeeper.Keeper
-	TransferKeeper   ibctransferkeeper.Keeper
-	FeeGrantKeeper   feegrantkeeper.Keeper
-	AuthzKeeper      authzkeeper.Keeper
+	AccountKeeper     authkeeper.AccountKeeper
+	BankKeeper        bankkeeper.Keeper
+	CapabilityKeeper  *capabilitykeeper.Keeper
+	StakingKeeper     stakingkeeper.Keeper
+	SlashingKeeper    slashingkeeper.Keeper
+	MintKeeper        mintkeeper.Keeper
+	DistrKeeper       distrkeeper.Keeper
+	GovKeeper         govkeeper.Keeper
+	CrisisKeeper      crisiskeeper.Keeper
+	UpgradeKeeper     upgradekeeper.Keeper
+	ParamsKeeper      paramskeeper.Keeper
+	IBCKeeper         *ibckeeper.Keeper // IBC Keeper must be a pointer in the app, so we can SetRouter on it correctly
+	EvidenceKeeper    evidencekeeper.Keeper
+	TransferKeeper    ibctransferkeeper.Keeper
+	FeeGrantKeeper    feegrantkeeper.Keeper
+	AuthzKeeper       authzkeeper.Keeper
 
 	// make scoped keepers public for test purposes
 	ScopedIBCKeeper      capabilitykeeper.ScopedKeeper
@@ -495,13 +495,16 @@ func New(
 	app.SetInitChainer(app.InitChainer)
 	app.SetBeginBlocker(app.BeginBlocker)
 
-	anteHandler, err := ante.NewAnteHandler(
-		ante.HandlerOptions{
-			AccountKeeper:   app.AccountKeeper,
-			BankKeeper:      app.BankKeeper,
-			SignModeHandler: encodingConfig.TxConfig.SignModeHandler(),
-			FeegrantKeeper:  app.FeeGrantKeeper,
-			SigGasConsumer:  ante.DefaultSigVerificationGasConsumer,
+	anteHandler, err := NewAnteHandler(
+		HandlerOptions{
+			HandlerOptions: ante.HandlerOptions{
+				AccountKeeper:   app.AccountKeeper,
+				BankKeeper:      app.BankKeeper,
+				SignModeHandler: encodingConfig.TxConfig.SignModeHandler(),
+				FeegrantKeeper:  app.FeeGrantKeeper,
+				SigGasConsumer:  ante.DefaultSigVerificationGasConsumer,
+			},
+			SsiKeeper: app.SsiKeeper,
 		},
 	)
 	if err != nil {
@@ -668,7 +671,7 @@ func initParamsKeeper(appCodec codec.BinaryCodec, legacyAmino *codec.LegacyAmino
 	paramsKeeper.Subspace(crisistypes.ModuleName)
 	paramsKeeper.Subspace(ibctransfertypes.ModuleName)
 	paramsKeeper.Subspace(ibchost.ModuleName)
-	paramsKeeper.Subspace(ssimoduletypes.ModuleName)
+	paramsKeeper.Subspace(ssimoduletypes.ModuleName).WithKeyTable(ssimoduletypes.ParamKeyTable())
 
 	return paramsKeeper
 }