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19a599a1a9
This commit adds a new check for neutrino backend - when the inputs in the sweeping tx are spent by a third party, we will send back a `TxFailed` event to free the rest of the inputs for re-grouping.
60 lines
2.3 KiB
Go
60 lines
2.3 KiB
Go
package sweep
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import (
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"github.com/btcsuite/btcd/chaincfg/chainhash"
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"github.com/btcsuite/btcd/wire"
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"github.com/lightningnetwork/lnd/lnwallet"
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)
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// Wallet contains all wallet related functionality required by sweeper.
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type Wallet interface {
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// PublishTransaction performs cursory validation (dust checks, etc) and
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// broadcasts the passed transaction to the Bitcoin network.
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PublishTransaction(tx *wire.MsgTx, label string) error
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// ListUnspentWitnessFromDefaultAccount returns all unspent outputs
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// which are version 0 witness programs from the default wallet account.
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// The 'minConfs' and 'maxConfs' parameters indicate the minimum
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// and maximum number of confirmations an output needs in order to be
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// returned by this method.
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ListUnspentWitnessFromDefaultAccount(minConfs, maxConfs int32) (
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[]*lnwallet.Utxo, error)
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// WithCoinSelectLock will execute the passed function closure in a
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// synchronized manner preventing any coin selection operations from
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// proceeding while the closure is executing. This can be seen as the
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// ability to execute a function closure under an exclusive coin
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// selection lock.
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WithCoinSelectLock(f func() error) error
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// RemoveDescendants removes any wallet transactions that spends
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// outputs created by the specified transaction.
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RemoveDescendants(*wire.MsgTx) error
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// FetchTx returns the transaction that corresponds to the transaction
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// hash passed in. If the transaction can't be found then a nil
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// transaction pointer is returned.
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FetchTx(chainhash.Hash) (*wire.MsgTx, error)
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// CancelRebroadcast is used to inform the rebroadcaster sub-system
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// that it no longer needs to try to rebroadcast a transaction. This is
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// used to ensure that invalid transactions (inputs spent) aren't
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// retried in the background.
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CancelRebroadcast(tx chainhash.Hash)
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// CheckMempoolAcceptance checks whether a transaction follows mempool
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// policies and returns an error if it cannot be accepted into the
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// mempool.
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CheckMempoolAcceptance(tx *wire.MsgTx) error
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// GetTransactionDetails returns a detailed description of a tx given
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// its transaction hash.
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GetTransactionDetails(txHash *chainhash.Hash) (
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*lnwallet.TransactionDetail, error)
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// BackEnd returns a name for the wallet's backing chain service,
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// which could be e.g. btcd, bitcoind, neutrino, or another consensus
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// service.
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BackEnd() string
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}
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