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channel lease: set csv_lock for commitment transactions

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If the channel is under lease, the lessor's (accepter, really)
funds have a CSV lock that reflects the length of the remainder of the
lease.
This commit is contained in:
niftynei
2021-07-02 14:46:20 -05:00
committed by neil saitug
parent 43ae30df21
commit 16c6ef546a
2 changed files with 19 additions and 9 deletions
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11
common/initial_commit_tx.c
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@@ -98,6 +98,7 @@ struct bitcoin_tx *initial_commit_tx(const tal_t *ctx,
bool to_local, to_remote;
struct amount_msat total_pay;
struct amount_sat amount;
enum side lessor = !opener;
u32 sequence;
void *dummy_local = (void *)LOCAL, *dummy_remote = (void *)REMOTE;
const void *output_order[NUM_SIDES];
@@ -211,7 +212,8 @@ struct bitcoin_tx *initial_commit_tx(const tal_t *ctx,
*/
if (amount_msat_greater_eq_sat(self_pay, dust_limit)) {
u8 *wscript = to_self_wscript(tmpctx,
to_self_delay, csv_lock,
to_self_delay,
side == lessor ? csv_lock : 0,
keyset);
amount = amount_msat_to_sat_round_down(self_pay);
int pos = bitcoin_tx_add_output(
@@ -245,8 +247,11 @@ struct bitcoin_tx *initial_commit_tx(const tal_t *ctx,
amount = amount_msat_to_sat_round_down(other_pay);
if (option_anchor_outputs) {
scriptpubkey = scriptpubkey_p2wsh(tmpctx,
anchor_to_remote_redeem(tmpctx, &keyset->other_payment_key, csv_lock));
const u8 *redeem
= anchor_to_remote_redeem(tmpctx,
&keyset->other_payment_key,
(!side) == lessor ? csv_lock : 1);
scriptpubkey = scriptpubkey_p2wsh(tmpctx, redeem);
} else {
scriptpubkey = scriptpubkey_p2wpkh(tmpctx,
&keyset->other_payment_key);