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lightningnetwork / lnd / 13180337775

06 Feb 2025 01:54PM UTC coverage: 57.708% (+8.4%) from 49.279%
13180337775

Pull #9470

github

ziggie1984
walletrpc+lncli: add new param. to bumpfee rpc.

Add new parameter deadline-delta to the bumpfee request and only
allow it to be used when the budget value is used as well.
Pull Request #9470: Make sure we fail the bump fee request as long as no budget is specified

103606 of 179536 relevant lines covered (57.71%)

24866.63 hits per line

Source File
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63.46
/lnwire/update_fulfill_htlc.go
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package lnwire
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import (
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        "bytes"
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        "io"
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)
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// UpdateFulfillHTLC is sent by Alice to Bob when she wishes to settle a
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// particular HTLC referenced by its HTLCKey within a specific active channel
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// referenced by ChannelPoint.  A subsequent CommitSig message will be sent by
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// Alice to "lock-in" the removal of the specified HTLC, possible containing a
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// batch signature covering several settled HTLC's.
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type UpdateFulfillHTLC struct {
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        // ChanID references an active channel which holds the HTLC to be
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        // settled.
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        ChanID ChannelID
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        // ID denotes the exact HTLC stage within the receiving node's
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        // commitment transaction to be removed.
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        ID uint64
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        // PaymentPreimage is the R-value preimage required to fully settle an
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        // HTLC.
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        PaymentPreimage [32]byte
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        // CustomRecords maps TLV types to byte slices, storing arbitrary data
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        // intended for inclusion in the ExtraData field.
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        CustomRecords CustomRecords
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        // ExtraData is the set of data that was appended to this message to
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        // fill out the full maximum transport message size. These fields can
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        // be used to specify optional data such as custom TLV fields.
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        ExtraData ExtraOpaqueData
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}
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// NewUpdateFulfillHTLC returns a new empty UpdateFulfillHTLC.
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func NewUpdateFulfillHTLC(chanID ChannelID, id uint64,
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        preimage [32]byte) *UpdateFulfillHTLC {
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        return &UpdateFulfillHTLC{
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                ChanID:          chanID,
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                ID:              id,
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                PaymentPreimage: preimage,
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        }
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}
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// A compile time check to ensure UpdateFulfillHTLC implements the lnwire.Message
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// interface.
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var _ Message = (*UpdateFulfillHTLC)(nil)
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// Decode deserializes a serialized UpdateFulfillHTLC message stored in the passed
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// io.Reader observing the specified protocol version.
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//
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// This is part of the lnwire.Message interface.
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func (c *UpdateFulfillHTLC) Decode(r io.Reader, pver uint32) error {
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        // msgExtraData is a temporary variable used to read the message extra
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        // data field from the reader.
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        var msgExtraData ExtraOpaqueData
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        if err := ReadElements(r,
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                &c.ChanID,
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                &c.ID,
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                c.PaymentPreimage[:],
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                &msgExtraData,
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        ); err != nil {
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                return err
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        }
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        // Extract custom records from the extra data field.
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        customRecords, _, extraData, err := ParseAndExtractCustomRecords(
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                msgExtraData,
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        )
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        if err != nil {
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                return err
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        }
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        c.CustomRecords = customRecords
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        c.ExtraData = extraData
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        return nil
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}
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// Encode serializes the target UpdateFulfillHTLC into the passed io.Writer
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// observing the protocol version specified.
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//
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// This is part of the lnwire.Message interface.
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func (c *UpdateFulfillHTLC) Encode(w *bytes.Buffer, pver uint32) error {
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        if err := WriteChannelID(w, c.ChanID); err != nil {
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                return err
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        }
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        if err := WriteUint64(w, c.ID); err != nil {
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                return err
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        }
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        if err := WriteBytes(w, c.PaymentPreimage[:]); err != nil {
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                return err
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        }
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        // Combine the custom records and the extra data, then encode the
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        // result as a byte slice.
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        extraData, err := MergeAndEncode(nil, c.ExtraData, c.CustomRecords)
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        if err != nil {
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                return err
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        }
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        return WriteBytes(w, extraData)
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}
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// MsgType returns the integer uniquely identifying this message type on the
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// wire.
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//
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// This is part of the lnwire.Message interface.
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func (c *UpdateFulfillHTLC) MsgType() MessageType {
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        return MsgUpdateFulfillHTLC
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}
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// TargetChanID returns the channel id of the link for which this message is
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// intended.
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//
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// NOTE: Part of peer.LinkUpdater interface.
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func (c *UpdateFulfillHTLC) TargetChanID() ChannelID {
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        return c.ChanID
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}
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