967b4b2dc3
MPPaymentCreationInfo and PaymentCreationInfo are identical except for the naming of CreationTime/CreationDate.
89 lines
2.9 KiB
Go
89 lines
2.9 KiB
Go
package channeldb
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import (
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"time"
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"github.com/btcsuite/btcd/btcec"
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"github.com/lightningnetwork/lnd/lntypes"
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"github.com/lightningnetwork/lnd/routing/route"
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)
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// HTLCAttempt contains information about a specific HTLC attempt for a given
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// payment. This information is used by the router to handle any errors coming
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// back after an attempt is made, and to query the switch about the status of a
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// payment. For settled payment this will be the information for the succeeding
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// payment attempt.
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type HTLCAttempt struct {
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// PaymentID is the unique ID used for this attempt.
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PaymentID uint64
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// SessionKey is the ephemeral key used for this payment attempt.
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SessionKey *btcec.PrivateKey
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// Route is the route attempted to send the HTLC.
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Route route.Route
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// AttemptTime is the time at which this HTLC was attempted.
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AttemptTime time.Time
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// Settle is the preimage of a successful payment. This serves as a
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// proof of payment. It will only be non-nil for settled payments.
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//
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// NOTE: Can be nil if payment is not settled.
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Settle *HTLCSettleInfo
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// Fail is a failure reason code indicating the reason the payment
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// failed. It is only non-nil for failed payments.
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//
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// NOTE: Can be nil if payment is not failed.
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Failure *HTLCFailInfo
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}
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// HTLCSettleInfo encapsulates the information that augments an HTLCAttempt in
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// the event that the HTLC is successful.
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type HTLCSettleInfo struct {
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// Preimage is the preimage of a successful HTLC. This serves as a proof
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// of payment.
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Preimage lntypes.Preimage
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// SettleTime is the time at which this HTLC was settled.
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SettleTime time.Time
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}
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// HTLCFailInfo encapsulates the information that augments an HTLCAttempt in the
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// event that the HTLC fails.
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type HTLCFailInfo struct {
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// FailTime is the time at which this HTLC was failed.
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FailTime time.Time
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}
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// MPPayment is a wrapper around a payment's PaymentCreationInfo and
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// HTLCAttempts. All payments will have the PaymentCreationInfo set, any
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// HTLCs made in attempts to be completed will populated in the HTLCs slice.
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// Each populated HTLCAttempt represents an attempted HTLC, each of which may
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// have the associated Settle or Fail struct populated if the HTLC is no longer
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// in-flight.
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type MPPayment struct {
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// sequenceNum is a unique identifier used to sort the payments in
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// order of creation.
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sequenceNum uint64
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// Info holds all static information about this payment, and is
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// populated when the payment is initiated.
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Info *PaymentCreationInfo
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// HTLCs holds the information about individual HTLCs that we send in
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// order to make the payment.
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HTLCs []HTLCAttempt
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// FailureReason is the failure reason code indicating the reason the
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// payment failed.
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//
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// NOTE: Will only be set once the daemon has given up on the payment
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// altogether.
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FailureReason *FailureReason
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// Status is the current PaymentStatus of this payment.
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Status PaymentStatus
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}
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