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4619cefc8f
This will be used by external callers to modify the way we resolve contracts on chain. For a given contract, we'll store an extra "blob", that will later be presented during the sweeping phase.
89 lines
2.7 KiB
Go
89 lines
2.7 KiB
Go
package lnwallet
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import (
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"github.com/btcsuite/btcd/btcutil"
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"github.com/btcsuite/btcd/wire"
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"github.com/lightningnetwork/lnd/fn"
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"github.com/lightningnetwork/lnd/input"
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"github.com/lightningnetwork/lnd/lnwire"
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"github.com/lightningnetwork/lnd/tlv"
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)
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// CloseType is an enum that represents the type of close that we are trying to
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// resolve.
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type CloseType uint8
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const (
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// LocalForceClose represents a local force close.
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LocalForceClose CloseType = iota
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// RemoteForceClose represents a remote force close.
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RemoteForceClose
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// Breach represents a breach by the remote party.
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Breach
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)
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// ResolutionReq is used to ask an outside sub-system for additional
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// information needed to resolve a contract.
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type ResolutionReq struct {
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// ChanPoint is the channel point of the channel that we are trying to
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// resolve.
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ChanPoint wire.OutPoint
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// ShortChanID is the short channel ID of the channel that we are
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// trying to resolve.
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ShortChanID lnwire.ShortChannelID
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// Initiator is a bool if we're the initiator of the channel.
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Initiator bool
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// CommitBlob is an optional commit blob for the channel.
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CommitBlob fn.Option[tlv.Blob]
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// FundingBlob is an optional funding blob for the channel.
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FundingBlob fn.Option[tlv.Blob]
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// Type is the type of the witness that we are trying to resolve.
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Type input.WitnessType
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// CloseType is the type of close that we are trying to resolve.
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CloseType CloseType
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// CommitTx is the force close commitment transaction.
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CommitTx *wire.MsgTx
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// CommitFee is the fee that was paid for the commitment transaction.
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CommitFee btcutil.Amount
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// ContractPoint is the outpoint of the contract we're trying to
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// resolve.
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ContractPoint wire.OutPoint
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// SignDesc is the sign descriptor for the contract.
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SignDesc input.SignDescriptor
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// KeyRing is the key ring for the channel.
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KeyRing *CommitmentKeyRing
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// CsvDelay is the CSV delay for the local output for this commitment.
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CsvDelay uint32
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// BreachCsvDelay is the CSV delay for the remote output. This is only
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// set when the CloseType is Breach. This indicates the CSV delay to
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// use for the remote party's to_local delayed output, that is now
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// rightfully ours in a breach situation.
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BreachCsvDelay fn.Option[uint32]
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// CltvDelay is the CLTV delay for the outpoint.
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CltvDelay fn.Option[uint32]
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}
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// AuxContractResolver is an interface that is used to resolve contracts that
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// may need additional outside information to resolve correctly.
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type AuxContractResolver interface {
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// ResolveContract is called to resolve a contract that needs
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// additional information to resolve properly. If no extra information
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// is required, a nil Result error is returned.
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ResolveContract(ResolutionReq) fn.Result[tlv.Blob]
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}
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