| 2295 | } |
| 2296 | |
| 2297 | static size_t resolve_our_htlc_ourcommit(struct tracked_output *out, |
| 2298 | const size_t *matches, |
| 2299 | const struct htlc_stub *htlcs, |
| 2300 | u8 **htlc_scripts) |
| 2301 | { |
| 2302 | struct bitcoin_tx *tx = NULL; |
| 2303 | struct bitcoin_signature localsig; |
| 2304 | size_t i; |
| 2305 | struct amount_msat htlc_amount; |
| 2306 | u8 **witness; |
| 2307 | |
| 2308 | if (!amount_sat_to_msat(&htlc_amount, out->sat)) |
| 2309 | status_failed(STATUS_FAIL_INTERNAL_ERROR, |
| 2310 | "Overflow in our_htlc output %s", |
| 2311 | type_to_string(tmpctx, struct amount_sat, |
| 2312 | &out->sat)); |
| 2313 | |
| 2314 | assert(tal_count(matches)); |
| 2315 | |
| 2316 | /* These htlcs are all possibilities, but signature will only match |
| 2317 | * one with the correct cltv: check which that is. */ |
| 2318 | for (i = 0; i < tal_count(matches); i++) { |
| 2319 | /* Skip over duplicate HTLCs, since we only need one. */ |
| 2320 | if (i > 0 |
| 2321 | && (htlcs[matches[i]].cltv_expiry |
| 2322 | == htlcs[matches[i-1]].cltv_expiry)) |
| 2323 | continue; |
| 2324 | |
| 2325 | /* BOLT #5: |
| 2326 | * |
| 2327 | * ## HTLC Output Handling: Local Commitment, Local Offers |
| 2328 | * ... |
| 2329 | * - if the commitment transaction HTLC output has *timed out* |
| 2330 | * and hasn't been *resolved*: |
| 2331 | * - MUST *resolve* the output by spending it using the |
| 2332 | * HTLC-timeout transaction. |
| 2333 | */ |
| 2334 | tx = htlc_timeout_tx(tmpctx, chainparams, |
| 2335 | &out->outpoint, |
| 2336 | htlc_scripts[matches[i]], htlc_amount, |
| 2337 | htlcs[matches[i]].cltv_expiry, |
| 2338 | to_self_delay[LOCAL], 0, keyset, |
| 2339 | option_anchor_outputs); |
| 2340 | |
| 2341 | if (set_htlc_timeout_fee(tx, out->remote_htlc_sig, |
| 2342 | htlc_scripts[matches[i]])) |
| 2343 | break; |
| 2344 | } |
| 2345 | |
| 2346 | /* Since there's been trouble with this before, we go to some length |
| 2347 | * to give details here! */ |
| 2348 | if (i == tal_count(matches)) { |
| 2349 | char *cltvs, *wscripts; |
| 2350 | |
| 2351 | cltvs = tal_fmt(tmpctx, "%u", htlcs[matches[0]].cltv_expiry); |
| 2352 | wscripts = tal_hex(tmpctx, htlc_scripts[matches[0]]); |
| 2353 | |
| 2354 | for (i = 1; i < tal_count(matches); i++) { |