33 lines
1.1 KiB
Go
33 lines
1.1 KiB
Go
package ante
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import (
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/auth/signing"
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"github.com/cosmos/cosmos-sdk/x/auth/types"
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)
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// NewAnteHandler returns an AnteHandler that checks and increments sequence
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// numbers, checks signatures & account numbers, and deducts fees from the first
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// signer.
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func NewAnteHandler(
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ak AccountKeeper, bankKeeper types.BankKeeper,
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sigGasConsumer SignatureVerificationGasConsumer,
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signModeHandler signing.SignModeHandler,
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) sdk.AnteHandler {
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return sdk.ChainAnteDecorators(
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NewSetUpContextDecorator(), // outermost AnteDecorator. SetUpContext must be called first
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NewRejectExtensionOptionsDecorator(),
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NewMempoolFeeDecorator(),
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NewValidateBasicDecorator(),
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TxTimeoutHeightDecorator{},
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NewValidateMemoDecorator(ak),
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NewConsumeGasForTxSizeDecorator(ak),
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NewSetPubKeyDecorator(ak), // SetPubKeyDecorator must be called before all signature verification decorators
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NewValidateSigCountDecorator(ak),
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NewDeductFeeDecorator(ak, bankKeeper),
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NewSigGasConsumeDecorator(ak, sigGasConsumer),
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NewSigVerificationDecorator(ak, signModeHandler),
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NewIncrementSequenceDecorator(ak),
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)
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}
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