52 lines
1.2 KiB
Go
52 lines
1.2 KiB
Go
package wtdb
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import (
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"io"
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"github.com/lightningnetwork/lnd/watchtower/blob"
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)
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// SessionStateUpdate holds a state update sent by a client along with its
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// SessionID.
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type SessionStateUpdate struct {
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// ID the session id of the client who sent the state update.
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ID SessionID
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// SeqNum the sequence number of the update within the session.
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SeqNum uint16
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// LastApplied the highest index that client has acknowledged is
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// committed
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LastApplied uint16
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// Hint is the 16-byte prefix of the revoked commitment transaction.
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Hint blob.BreachHint
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// EncryptedBlob is a ciphertext containing the sweep information for
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// exacting justice if the commitment transaction matching the breach
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// hint is broadcast.
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EncryptedBlob []byte
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}
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// Encode serializes the state update into the provided io.Writer.
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func (u *SessionStateUpdate) Encode(w io.Writer) error {
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return WriteElements(w,
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u.ID,
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u.SeqNum,
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u.LastApplied,
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u.Hint,
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u.EncryptedBlob,
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)
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}
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// Decode deserializes the target state update from the provided io.Reader.
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func (u *SessionStateUpdate) Decode(r io.Reader) error {
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return ReadElements(r,
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&u.ID,
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&u.SeqNum,
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&u.LastApplied,
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&u.Hint,
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&u.EncryptedBlob,
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)
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}
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