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ante.go
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ante.go
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package noble
import (
errorsmod "cosmossdk.io/errors"
"github.com/circlefin/noble-fiattokenfactory/x/fiattokenfactory"
ftfkeeper "github.com/circlefin/noble-fiattokenfactory/x/fiattokenfactory/keeper"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/cosmos/cosmos-sdk/x/auth/ante"
ibcante "github.com/cosmos/ibc-go/v8/modules/core/ante"
ibckeeper "github.com/cosmos/ibc-go/v8/modules/core/keeper"
)
// HandlerOptions extends the options required by the default Cosmos SDK
// AnteHandler for our custom ante decorators.
type HandlerOptions struct {
ante.HandlerOptions
cdc codec.Codec
FTFKeeper *ftfkeeper.Keeper
IBCKeeper *ibckeeper.Keeper
}
// NewAnteHandler extends the default Cosmos SDK AnteHandler with custom ante decorators.
func NewAnteHandler(options HandlerOptions) (sdk.AnteHandler, error) {
if options.AccountKeeper == nil {
return nil, errorsmod.Wrap(sdkerrors.ErrLogic, "account keeper is required for ante builder")
}
if options.BankKeeper == nil {
return nil, errorsmod.Wrap(sdkerrors.ErrLogic, "bank keeper is required for ante builder")
}
if options.FTFKeeper == nil {
return nil, errorsmod.Wrap(sdkerrors.ErrLogic, "fiattokenfactory keeper is required for ante builder")
}
if options.IBCKeeper == nil {
return nil, errorsmod.Wrap(sdkerrors.ErrLogic, "ibc keeper is required for ante builder")
}
if options.SignModeHandler == nil {
return nil, errorsmod.Wrap(sdkerrors.ErrLogic, "sign mode handler is required for ante builder")
}
anteDecorators := []sdk.AnteDecorator{
ante.NewSetUpContextDecorator(), // outermost AnteDecorator. SetUpContext must be called first
ante.NewExtensionOptionsDecorator(options.ExtensionOptionChecker),
ante.NewValidateBasicDecorator(),
ante.NewTxTimeoutHeightDecorator(),
ante.NewValidateMemoDecorator(options.AccountKeeper),
fiattokenfactory.NewIsPausedDecorator(options.cdc, options.FTFKeeper),
fiattokenfactory.NewIsBlacklistedDecorator(options.FTFKeeper),
ante.NewConsumeGasForTxSizeDecorator(options.AccountKeeper),
ante.NewDeductFeeDecorator(options.AccountKeeper, options.BankKeeper, options.FeegrantKeeper, options.TxFeeChecker),
ante.NewSetPubKeyDecorator(options.AccountKeeper), // SetPubKeyDecorator must be called before all signature verification decorators
ante.NewValidateSigCountDecorator(options.AccountKeeper),
ante.NewSigGasConsumeDecorator(options.AccountKeeper, options.SigGasConsumer),
ante.NewSigVerificationDecorator(options.AccountKeeper, options.SignModeHandler),
ante.NewIncrementSequenceDecorator(options.AccountKeeper),
ibcante.NewRedundantRelayDecorator(options.IBCKeeper),
}
return sdk.ChainAnteDecorators(anteDecorators...), nil
}