mirror of https://github.com/poanetwork/gecko.git
50 lines
1.6 KiB
Go
50 lines
1.6 KiB
Go
// (c) 2019-2020, Ava Labs, Inc. All rights reserved.
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// See the file LICENSE for licensing terms.
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package avm
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import (
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"github.com/ava-labs/gecko/ids"
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"github.com/ava-labs/gecko/vms/components/verify"
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)
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type parsedFx struct {
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ID ids.ID
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Fx Fx
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}
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// Fx is the interface a feature extension must implement to support the AVM.
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type Fx interface {
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// Initialize this feature extension to be running under this VM. Should
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// return an error if the VM is incompatible.
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Initialize(vm interface{}) error
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// VerifyTransfer verifies that the specified transaction can spend the
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// provided utxo with no restrictions on the destination. If the transaction
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// can't spend the output based on the input and credential, a non-nil error
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// should be returned.
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VerifyTransfer(tx, utxo, in, cred interface{}) error
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// VerifyOperation verifies that the specified transaction can spend the
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// provided utxos conditioned on the result being restricted to the provided
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// outputs. If the transaction can't spend the output based on the input and
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// credential, a non-nil error should be returned.
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VerifyOperation(tx interface{}, utxos, ins, creds, outs []interface{}) error
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}
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// FxTransferable is the interface a feature extension must provide to transfer
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// value between features extensions.
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type FxTransferable interface {
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verify.Verifiable
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// Amount returns how much value this output consumes of the asset in its
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// transaction.
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Amount() uint64
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}
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// FxAddressable is the interface a feature extension must provide to be able to
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// be tracked as a part of the utxo set for a set of addresses
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type FxAddressable interface {
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Addresses() [][]byte
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}
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