Function rbf_local_start

openingd/dualopend.c:3113–3232

}

static void rbf_local_start(struct state *state, u8 *msg)
{
	struct tx_state *tx_state;
	struct channel_id cid;
	struct amount_sat total;
	char *err_reason;
	/* tmpctx gets cleaned midway, so we have a context for this fn */
	char *rbf_ctx = notleak_with_children(tal(state, char));

	/* We need a new tx_state! */
	tx_state = new_tx_state(rbf_ctx);
	/* Copy over the channel config info -- everything except
	 * the reserve will be the same */
	tx_state->localconf = state->tx_state->localconf;
	tx_state->remoteconf = state->tx_state->remoteconf;

	if (!fromwire_dualopend_rbf_init(tx_state, msg,
					 state->our_role == TX_INITIATOR ?
					 &tx_state->opener_funding :
						&tx_state->accepter_funding,
					 &tx_state->feerate_per_kw_funding,
					 &tx_state->psbt))
		master_badmsg(WIRE_DUALOPEND_RBF_INIT, msg);

	peer_billboard(false, "channel rbf: init received from master");

	if (!check_funding_feerate(tx_state->feerate_per_kw_funding,
				   state->tx_state->feerate_per_kw_funding)) {
		open_err_warn(state, "Proposed funding feerate (%u) invalid",
			      tx_state->feerate_per_kw_funding);
		goto free_rbf_ctx;
	}

	/* Have you sent us everything we need yet ? */
	if (!state->tx_state->remote_funding_sigs_rcvd) {
		/* we're still waiting for the last sigs, master
		 * should know better. Tell them no! */
		open_err_warn(state, "%s",
			      "Still waiting for remote funding sigs"
			      " for last open attempt");
		goto free_rbf_ctx;
	}

	tx_state->tx_locktime = tx_state->psbt->tx->locktime;
	msg = towire_init_rbf(tmpctx, &state->channel_id,
			      state->our_role == TX_INITIATOR ?
				tx_state->opener_funding :
				tx_state->accepter_funding,
			      tx_state->tx_locktime,
			      tx_state->feerate_per_kw_funding);

	peer_write(state->pps, take(msg));

	/* ... since their reply should be immediate. */
	msg = opening_negotiate_msg(tmpctx, state);
	if (!msg) {
		open_err_warn(state, "%s", "Unable to init rbf");
		goto free_rbf_ctx;