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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| package simapp | ||
|
|
||
| import ( | ||
| sdk "github.com/cosmos/cosmos-sdk/types" | ||
| sdkerrors "github.com/cosmos/cosmos-sdk/types/errors" | ||
| "github.com/cosmos/cosmos-sdk/types/tx/signing" | ||
| "github.com/cosmos/cosmos-sdk/x/auth/ante" | ||
| authsigning "github.com/cosmos/cosmos-sdk/x/auth/signing" | ||
| "github.com/cosmos/cosmos-sdk/x/auth/types" | ||
| ibcante "github.com/cosmos/ibc-go/v4/modules/core/ante" | ||
| ibckeeper "github.com/cosmos/ibc-go/v4/modules/core/keeper" | ||
| "github.com/noble-assets/aura/x/aura" | ||
| aurakeeper "github.com/noble-assets/aura/x/aura/keeper" | ||
| ) | ||
|
|
||
| // HandlerOptions are the options required for constructing a default SDK AnteHandler. | ||
| type HandlerOptions struct { | ||
| AccountKeeper ante.AccountKeeper | ||
| AuraKeeper *aurakeeper.Keeper | ||
| BankKeeper types.BankKeeper | ||
| FeegrantKeeper ante.FeegrantKeeper | ||
| IBCKeeper *ibckeeper.Keeper | ||
| SignModeHandler authsigning.SignModeHandler | ||
| SigGasConsumer func(meter sdk.GasMeter, sig signing.SignatureV2, params types.Params) error | ||
| } | ||
|
|
||
| // NewAnteHandler returns an AnteHandler that checks and increments sequence | ||
| // numbers, checks signatures & account numbers, and deducts fees from the first | ||
| // signer. | ||
| 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.AuraKeeper == nil { | ||
| return nil, sdkerrors.Wrap(sdkerrors.ErrLogic, "aura 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.IBCKeeper == nil { | ||
| return nil, sdkerrors.Wrap(sdkerrors.ErrLogic, "ibc keeper is required for ante builder") | ||
| } | ||
|
|
||
| if options.SignModeHandler == nil { | ||
| return nil, sdkerrors.Wrap(sdkerrors.ErrLogic, "sign mode handler 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(), | ||
| ante.NewMempoolFeeDecorator(), | ||
| ante.NewValidateBasicDecorator(), | ||
| ante.NewTxTimeoutHeightDecorator(), | ||
| ante.NewValidateMemoDecorator(options.AccountKeeper), | ||
| ante.NewConsumeGasForTxSizeDecorator(options.AccountKeeper), | ||
| ante.NewDeductFeeDecorator(options.AccountKeeper, options.BankKeeper, options.FeegrantKeeper), | ||
| 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), | ||
| ibcante.NewAnteDecorator(options.IBCKeeper), | ||
| aura.NewAnteDecorator(options.AuraKeeper), | ||
| } | ||
|
|
||
| return sdk.ChainAnteDecorators(anteDecorators...), nil | ||
| } |
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