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df: move out logic for adding funding output to PSBT

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niftynei 2021-01-12 16:18:50 -06:00 committed by Rusty Russell
parent 804b93c81f
commit e67d5d7559
1 changed files with 22 additions and 16 deletions
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38
openingd/dualopend.c
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@ -1916,6 +1916,27 @@ static void accepter_start(struct state *state, const u8 *oc2_msg)
handle_send_tx_sigs(state, msg);
}
static void add_funding_output(struct tx_state *tx_state,
struct state *state,
struct amount_sat total)
{
const u8 *wscript;
struct wally_psbt_output *funding_out;
wscript = bitcoin_redeem_2of2(tmpctx, &state->our_funding_pubkey,
&state->their_funding_pubkey);
funding_out = psbt_append_output(tx_state->psbt,
scriptpubkey_p2wsh(tmpctx, wscript),
total);
/* Add a serial_id for this output */
tx_state->funding_serial = psbt_new_input_serial(tx_state->psbt,
TX_INITIATOR);
psbt_output_set_serial_id(tx_state->psbt,
funding_out,
tx_state->funding_serial);
}
static void opener_start(struct state *state, u8 *msg)
{
struct tlv_opening_tlvs *open_tlv;
@ -1924,7 +1945,6 @@ static void opener_start(struct state *state, u8 *msg)
char *err_reason;
struct amount_sat total;
struct amount_msat our_msats;
struct wally_psbt_output *funding_out;
struct sha256 podle;
struct wally_tx_output *direct_outputs[NUM_SIDES];
struct penalty_base *pbase;
@ -2121,21 +2141,7 @@ static void opener_start(struct state *state, u8 *msg)
* - MUST send at least one `tx_add_output`, the channel
* funding output.
*/
/* If fails before returning from `send_next`, this will
* be marked as a memleak */
wscript = notleak(bitcoin_redeem_2of2(state,
&state->our_funding_pubkey,
&state->their_funding_pubkey));
funding_out = psbt_append_output(tx_state->psbt,
scriptpubkey_p2wsh(tmpctx,
wscript),
total);
/* Add a serial_id for this output */
tx_state->funding_serial = psbt_new_input_serial(tx_state->psbt,
TX_INITIATOR);
psbt_output_set_serial_id(tx_state->psbt,
funding_out,
tx_state->funding_serial);
add_funding_output(tx_state, state, total);
/* Add all of our inputs/outputs to the changeset */
init_changeset(tx_state, tx_state->psbt);