62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
#ifndef LIGHTNING_CHANNELD_SPLICE_H
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#define LIGHTNING_CHANNELD_SPLICE_H
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#include "config.h"
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#include <bitcoin/short_channel_id.h>
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#include <channeld/inflight.h>
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#include <common/amount.h>
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#include <common/htlc.h>
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/* The channel's general splice state for tracking splice candidates */
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struct splice_state {
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/* The active inflights */
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struct inflight **inflights;
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/* The pending short channel id for a splice. Set when mutual lock. */
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struct short_channel_id short_channel_id;
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/* Set to old short channel id when mutual lock occurs. */
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struct short_channel_id last_short_channel_id;
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/* Tally of which sides are locked, or not */
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bool locked_ready[NUM_SIDES];
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/* Set to true when commitment cycle completes successfully */
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bool await_commitment_succcess;
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/* The txid of which splice inflight was confirmed */
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struct bitcoin_txid locked_txid;
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/* The number of splices that are active (awaiting confirmation) */
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u32 count;
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};
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/* Sets `splice_state` items to default values */
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struct splice_state *splice_state_new(const tal_t *ctx);
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/* An active splice negotiation. Born when splice beings and dies when a splice
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* negotation has finished */
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struct splicing {
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/* The opener side's relative balance change */
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s64 opener_relative;
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/* The accepter side's relative balance change */
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s64 accepter_relative;
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/* The feerate for the splice (on set for the initiator) */
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u32 feerate_per_kw;
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/* If the feerate is higher than max, don't abort the splice */
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bool force_feerate;
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/* Make our side sign first */
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bool force_sign_first;
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/* After `splice` and `splice_ack` occur, we are in splice mode */
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bool mode;
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/* Track how many of each tx collab msg we receive */
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u16 tx_add_input_count, tx_add_output_count;
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/* Current negoitated psbt */
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struct wally_psbt *current_psbt;
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/* If, in the last splice_update, was tx_complete was received */
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bool received_tx_complete;
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/* If, in the last splice_update, we sent tx_complete */
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bool sent_tx_complete;
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/* If our peer signs early, we allow that and cache it here */
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const u8 *tx_sig_msg;
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};
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/* Sets `splice` items to default values */
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struct splicing *splicing_new(const tal_t *ctx);
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#endif /* LIGHTNING_CHANNELD_SPLICE_H */
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