74 lines
2.1 KiB
Go
74 lines
2.1 KiB
Go
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package lnwire
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import "io"
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// ChannelReestablish is sent during node reconnection for every channel
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// established in order to synchronize the states on both sides.
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type ChannelReestablish struct {
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// ChanID serves to identify to which channel this message belongs.
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ChanID ChannelID
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// NextLocalCommitmentNumber is the commitment number of the next
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// commitment signed message it expects to receive.
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NextLocalCommitmentNumber uint64
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// NextRemoteRevocationNumber is the commitment number of the next
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// revoke and ack message it expects to receive.
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NextRemoteRevocationNumber uint64
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}
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// A compile time check to ensure ChannelReestablish implements the
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// lnwire.Message interface.
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var _ Message = (*ChannelReestablish)(nil)
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// Decode deserializes a serialized ChannelReestablish 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 (a *ChannelReestablish) Decode(r io.Reader, pver uint32) error {
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return readElements(r,
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&a.ChanID,
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&a.NextLocalCommitmentNumber,
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&a.NextRemoteRevocationNumber,
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)
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}
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// Encode serializes the target ChannelReestablish 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 (a *ChannelReestablish) Encode(w io.Writer, pver uint32) error {
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return writeElements(w,
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a.ChanID,
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a.NextLocalCommitmentNumber,
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a.NextRemoteRevocationNumber,
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)
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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 (a *ChannelReestablish) MsgType() MessageType {
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return MsgChannelReestablish
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}
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// MaxPayloadLength returns the maximum allowed payload size for this message
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// 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 (a *ChannelReestablish) MaxPayloadLength(pver uint32) uint32 {
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var length uint32
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// ChanID - 32 bytes
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length += 32
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// NextLocalCommitmentNumber - 8 bytes
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length += 8
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// NextRemoteRevocationNumber - 8 bytes
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length += 8
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return length
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}
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