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feat: module circuit breaker (cosmos#14521)
Co-authored-by: Aaron Craelius <aaron@regen.network> Co-authored-by: Julien Robert <julien@rbrt.fr> Co-authored-by: Sam Ricotta <samanthalricotta@gmail.com> Co-authored-by: samricotta <37125168+samricotta@users.noreply.github.com> Co-authored-by: Facundo Medica <14063057+facundomedica@users.noreply.github.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| package simapp | ||
|
|
||
| import ( | ||
| "errors" | ||
|
|
||
| circuitante "cosmossdk.io/x/circuit/ante" | ||
| sdk "github.com/cosmos/cosmos-sdk/types" | ||
| "github.com/cosmos/cosmos-sdk/x/auth/ante" | ||
| ) | ||
|
|
||
| // HandlerOptions are the options required for constructing a default SDK AnteHandler. | ||
| type HandlerOptions struct { | ||
| ante.HandlerOptions | ||
| CircuitKeeper circuitante.CircuitBreaker | ||
| } | ||
|
|
||
| // 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, errors.New("account keeper is required for ante builder") | ||
| } | ||
|
|
||
| if options.BankKeeper == nil { | ||
| return nil, errors.New("bank keeper is required for ante builder") | ||
| } | ||
|
|
||
| if options.SignModeHandler == nil { | ||
| return nil, errors.New("sign mode handler is required for ante builder") | ||
| } | ||
|
|
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| anteDecorators := []sdk.AnteDecorator{ | ||
| ante.NewSetUpContextDecorator(), // outermost AnteDecorator. SetUpContext must be called first | ||
| circuitante.NewCircuitBreakerDecorator(options.CircuitKeeper), | ||
| ante.NewExtensionOptionsDecorator(options.ExtensionOptionChecker), | ||
| ante.NewValidateBasicDecorator(), | ||
| ante.NewTxTimeoutHeightDecorator(), | ||
| ante.NewValidateMemoDecorator(options.AccountKeeper), | ||
| 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), | ||
| } | ||
|
|
||
| return sdk.ChainAnteDecorators(anteDecorators...), nil | ||
| } |
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