#include "config.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define SQLITE_MAX_UINT 0x7FFFFFFFFFFFFFFF #define DIRECTION_INCOMING 0 #define DIRECTION_OUTGOING 1 /* How many blocks must a UTXO entry be buried under to be considered old enough * to prune? */ #define UTXO_PRUNE_DEPTH 144 /* 12 hours is usually enough reservation time */ #define RESERVATION_INC (6 * 12) /* Possible channel state */ enum channel_state_bucket { IN_OFFERED = 0, IN_FULLFILLED = 1, OUT_OFFERED = 2, OUT_FULLFILLED = 3, }; /* channel state identifier */ struct channel_state_param { const char *dir_key; const char *type_key; const enum channel_state_bucket state; }; /* Implement db_fatal, as a wrapper around fatal. * We use a ifndef block so that it can get be * implemented in a test file first, if necessary */ #ifndef DB_FATAL #define DB_FATAL void db_fatal(const char *fmt, ...) { va_list ap; va_start(ap, fmt); fatal_vfmt(fmt, ap); va_end(ap); } #endif /* DB_FATAL */ static void outpointfilters_init(struct wallet *w) { struct db_stmt *stmt; struct utxo **utxos = wallet_get_utxos(NULL, w, OUTPUT_STATE_ANY); struct bitcoin_outpoint outpoint; w->owned_outpoints = outpointfilter_new(w); for (size_t i = 0; i < tal_count(utxos); i++) outpointfilter_add(w->owned_outpoints, &utxos[i]->outpoint); tal_free(utxos); w->utxoset_outpoints = outpointfilter_new(w); stmt = db_prepare_v2( w->db, SQL("SELECT txid, outnum FROM utxoset WHERE spendheight is NULL")); db_query_prepared(stmt); while (db_step(stmt)) { db_col_txid(stmt, "txid", &outpoint.txid); outpoint.n = db_col_int(stmt, "outnum"); outpointfilter_add(w->utxoset_outpoints, &outpoint); } tal_free(stmt); } struct wallet *wallet_new(struct lightningd *ld, struct timers *timers, struct ext_key *bip32_base STEALS) { struct wallet *wallet = tal(ld, struct wallet); wallet->ld = ld; wallet->log = new_log(wallet, ld->log_book, NULL, "wallet"); wallet->bip32_base = tal_steal(wallet, bip32_base); wallet->keyscan_gap = 50; list_head_init(&wallet->unstored_payments); wallet->db = db_setup(wallet, ld, wallet->bip32_base); db_begin_transaction(wallet->db); wallet->invoices = invoices_new(wallet, wallet->db, timers); outpointfilters_init(wallet); db_commit_transaction(wallet->db); return wallet; } /** * wallet_add_utxo - Register an UTXO which we (partially) own * * Add an UTXO to the set of outputs we care about. * * This can fail if we've already seen UTXO. */ static bool wallet_add_utxo(struct wallet *w, struct utxo *utxo, enum wallet_output_type type) { struct db_stmt *stmt; stmt = db_prepare_v2(w->db, SQL("SELECT * from outputs WHERE " "prev_out_tx=? AND prev_out_index=?")); db_bind_txid(stmt, 0, &utxo->outpoint.txid); db_bind_int(stmt, 1, utxo->outpoint.n); db_query_prepared(stmt); /* If we get a result, that means a clash. */ if (db_step(stmt)) { db_col_ignore(stmt, "*"); tal_free(stmt); return false; } tal_free(stmt); stmt = db_prepare_v2( w->db, SQL("INSERT INTO outputs (" " prev_out_tx" ", prev_out_index" ", value" ", type" ", status" ", keyindex" ", channel_id" ", peer_id" ", commitment_point" ", option_anchor_outputs" ", confirmation_height" ", spend_height" ", scriptpubkey" ") VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?);")); db_bind_txid(stmt, 0, &utxo->outpoint.txid); db_bind_int(stmt, 1, utxo->outpoint.n); db_bind_amount_sat(stmt, 2, &utxo->amount); db_bind_int(stmt, 3, wallet_output_type_in_db(type)); db_bind_int(stmt, 4, OUTPUT_STATE_AVAILABLE); db_bind_int(stmt, 5, utxo->keyindex); if (utxo->close_info) { db_bind_u64(stmt, 6, utxo->close_info->channel_id); db_bind_node_id(stmt, 7, &utxo->close_info->peer_id); if (utxo->close_info->commitment_point) db_bind_pubkey(stmt, 8, utxo->close_info->commitment_point); else db_bind_null(stmt, 8); db_bind_int(stmt, 9, utxo->close_info->option_anchor_outputs); } else { db_bind_null(stmt, 6); db_bind_null(stmt, 7); db_bind_null(stmt, 8); db_bind_null(stmt, 9); } if (utxo->blockheight) { db_bind_int(stmt, 10, *utxo->blockheight); } else db_bind_null(stmt, 10); if (utxo->spendheight) db_bind_int(stmt, 11, *utxo->spendheight); else db_bind_null(stmt, 11); db_bind_blob(stmt, 12, utxo->scriptPubkey, tal_bytelen(utxo->scriptPubkey)); db_exec_prepared_v2(take(stmt)); return true; } /** * wallet_stmt2output - Extract data from stmt and fill an UTXO */ static struct utxo *wallet_stmt2output(const tal_t *ctx, struct db_stmt *stmt) { struct utxo *utxo = tal(ctx, struct utxo); u32 *blockheight, *spendheight; db_col_txid(stmt, "prev_out_tx", &utxo->outpoint.txid); utxo->outpoint.n = db_col_int(stmt, "prev_out_index"); db_col_amount_sat(stmt, "value", &utxo->amount); utxo->is_p2sh = db_col_int(stmt, "type") == p2sh_wpkh; utxo->status = db_col_int(stmt, "status"); utxo->keyindex = db_col_int(stmt, "keyindex"); if (!db_col_is_null(stmt, "channel_id")) { utxo->close_info = tal(utxo, struct unilateral_close_info); utxo->close_info->channel_id = db_col_u64(stmt, "channel_id"); db_col_node_id(stmt, "peer_id", &utxo->close_info->peer_id); if (!db_col_is_null(stmt, "commitment_point")) { utxo->close_info->commitment_point = tal(utxo->close_info, struct pubkey); db_col_pubkey(stmt, "commitment_point", utxo->close_info->commitment_point); } else utxo->close_info->commitment_point = NULL; utxo->close_info->option_anchor_outputs = db_col_int(stmt, "option_anchor_outputs"); utxo->close_info->csv = db_col_int(stmt, "csv_lock"); } else { utxo->close_info = NULL; db_col_ignore(stmt, "peer_id"); db_col_ignore(stmt, "commitment_point"); db_col_ignore(stmt, "option_anchor_outputs"); db_col_ignore(stmt, "csv_lock"); } utxo->scriptPubkey = db_col_arr(utxo, stmt, "scriptpubkey", u8); utxo->blockheight = NULL; utxo->spendheight = NULL; if (!db_col_is_null(stmt, "confirmation_height")) { blockheight = tal(utxo, u32); *blockheight = db_col_int(stmt, "confirmation_height"); utxo->blockheight = blockheight; } if (!db_col_is_null(stmt, "spend_height")) { spendheight = tal(utxo, u32); *spendheight = db_col_int(stmt, "spend_height"); utxo->spendheight = spendheight; } /* This column can be null if 0.9.1 db or below. */ utxo->reserved_til = db_col_int_or_default(stmt, "reserved_til", 0); return utxo; } bool wallet_update_output_status(struct wallet *w, const struct bitcoin_outpoint *outpoint, enum output_status oldstatus, enum output_status newstatus) { struct db_stmt *stmt; size_t changes; if (oldstatus != OUTPUT_STATE_ANY) { stmt = db_prepare_v2( w->db, SQL("UPDATE outputs SET status=? WHERE status=? AND " "prev_out_tx=? AND prev_out_index=?")); db_bind_int(stmt, 0, output_status_in_db(newstatus)); db_bind_int(stmt, 1, output_status_in_db(oldstatus)); db_bind_txid(stmt, 2, &outpoint->txid); db_bind_int(stmt, 3, outpoint->n); } else { stmt = db_prepare_v2(w->db, SQL("UPDATE outputs SET status=? WHERE " "prev_out_tx=? AND prev_out_index=?")); db_bind_int(stmt, 0, output_status_in_db(newstatus)); db_bind_txid(stmt, 1, &outpoint->txid); db_bind_int(stmt, 2, outpoint->n); } db_exec_prepared_v2(stmt); changes = db_count_changes(stmt); tal_free(stmt); return changes > 0; } struct utxo **wallet_get_utxos(const tal_t *ctx, struct wallet *w, const enum output_status state) { struct utxo **results; int i; struct db_stmt *stmt; if (state == OUTPUT_STATE_ANY) { stmt = db_prepare_v2(w->db, SQL("SELECT" " prev_out_tx" ", prev_out_index" ", value" ", type" ", status" ", keyindex" ", channel_id" ", peer_id" ", commitment_point" ", option_anchor_outputs" ", confirmation_height" ", spend_height" ", scriptpubkey " ", reserved_til " ", csv_lock " "FROM outputs")); } else { stmt = db_prepare_v2(w->db, SQL("SELECT" " prev_out_tx" ", prev_out_index" ", value" ", type" ", status" ", keyindex" ", channel_id" ", peer_id" ", commitment_point" ", option_anchor_outputs" ", confirmation_height" ", spend_height" ", scriptpubkey " ", reserved_til " ", csv_lock " "FROM outputs " "WHERE status= ? ")); db_bind_int(stmt, 0, output_status_in_db(state)); } db_query_prepared(stmt); results = tal_arr(ctx, struct utxo*, 0); for (i=0; db_step(stmt); i++) { struct utxo *u = wallet_stmt2output(results, stmt); tal_arr_expand(&results, u); } tal_free(stmt); return results; } struct utxo **wallet_get_unconfirmed_closeinfo_utxos(const tal_t *ctx, struct wallet *w) { struct db_stmt *stmt; struct utxo **results; int i; stmt = db_prepare_v2(w->db, SQL("SELECT" " prev_out_tx" ", prev_out_index" ", value" ", type" ", status" ", keyindex" ", channel_id" ", peer_id" ", commitment_point" ", option_anchor_outputs" ", confirmation_height" ", spend_height" ", scriptpubkey" ", reserved_til" ", csv_lock" " FROM outputs" " WHERE channel_id IS NOT NULL AND " "confirmation_height IS NULL")); db_query_prepared(stmt); results = tal_arr(ctx, struct utxo *, 0); for (i = 0; db_step(stmt); i++) { struct utxo *u = wallet_stmt2output(results, stmt); tal_arr_expand(&results, u); } tal_free(stmt); return results; } struct utxo *wallet_utxo_get(const tal_t *ctx, struct wallet *w, const struct bitcoin_outpoint *outpoint) { struct db_stmt *stmt; struct utxo *utxo; stmt = db_prepare_v2(w->db, SQL("SELECT" " prev_out_tx" ", prev_out_index" ", value" ", type" ", status" ", keyindex" ", channel_id" ", peer_id" ", commitment_point" ", option_anchor_outputs" ", confirmation_height" ", spend_height" ", scriptpubkey" ", reserved_til" ", csv_lock" " FROM outputs" " WHERE prev_out_tx = ?" " AND prev_out_index = ?")); db_bind_txid(stmt, 0, &outpoint->txid); db_bind_int(stmt, 1, outpoint->n); db_query_prepared(stmt); if (!db_step(stmt)) { tal_free(stmt); return NULL; } utxo = wallet_stmt2output(ctx, stmt); tal_free(stmt); return utxo; } static void db_set_utxo(struct db *db, const struct utxo *utxo) { struct db_stmt *stmt; if (utxo->status == OUTPUT_STATE_RESERVED) assert(utxo->reserved_til); else assert(!utxo->reserved_til); stmt = db_prepare_v2( db, SQL("UPDATE outputs SET status=?, reserved_til=? " "WHERE prev_out_tx=? AND prev_out_index=?")); db_bind_int(stmt, 0, output_status_in_db(utxo->status)); db_bind_int(stmt, 1, utxo->reserved_til); db_bind_txid(stmt, 2, &utxo->outpoint.txid); db_bind_int(stmt, 3, utxo->outpoint.n); db_exec_prepared_v2(take(stmt)); } bool wallet_reserve_utxo(struct wallet *w, struct utxo *utxo, u32 current_height, u32 reserve) { switch (utxo->status) { case OUTPUT_STATE_SPENT: return false; case OUTPUT_STATE_AVAILABLE: case OUTPUT_STATE_RESERVED: break; case OUTPUT_STATE_ANY: abort(); } /* We simple increase existing reservations, which DTRT if we unreserve */ if (utxo->reserved_til >= current_height) utxo->reserved_til += reserve; else utxo->reserved_til = current_height + reserve; utxo->status = OUTPUT_STATE_RESERVED; db_set_utxo(w->db, utxo); return true; } void wallet_unreserve_utxo(struct wallet *w, struct utxo *utxo, u32 current_height, u32 unreserve) { if (utxo->status != OUTPUT_STATE_RESERVED) fatal("UTXO %s is not reserved", type_to_string(tmpctx, struct bitcoin_outpoint, &utxo->outpoint)); if (utxo->reserved_til <= current_height + unreserve) { utxo->status = OUTPUT_STATE_AVAILABLE; utxo->reserved_til = 0; } else utxo->reserved_til -= unreserve; db_set_utxo(w->db, utxo); } static bool excluded(const struct utxo **excludes, const struct utxo *utxo) { for (size_t i = 0; i < tal_count(excludes); i++) { if (bitcoin_outpoint_eq(&excludes[i]->outpoint, &utxo->outpoint)) return true; } return false; } static bool deep_enough(u32 maxheight, const struct utxo *utxo, u32 current_blockheight) { if (utxo->close_info && utxo->close_info->option_anchor_outputs) { /* All option_anchor_output close_infos * have a csv of at least 1 */ if (!utxo->blockheight) return false; u32 csv_free = *utxo->blockheight + utxo->close_info->csv - 1; assert(csv_free >= *utxo->blockheight); if (csv_free > current_blockheight) return false; } /* If we require confirmations check that we have a * confirmation height and that it is below the required * maxheight (current_height - minconf) */ if (maxheight == 0) return true; if (!utxo->blockheight) return false; return *utxo->blockheight <= maxheight; } /* FIXME: Make this wallet_find_utxos, and branch and bound and I've * left that to @niftynei to do, who actually read the paper! */ struct utxo *wallet_find_utxo(const tal_t *ctx, struct wallet *w, unsigned current_blockheight, struct amount_sat *amount_hint, unsigned feerate_per_kw, u32 maxheight, const struct utxo **excludes) { struct db_stmt *stmt; struct utxo *utxo; stmt = db_prepare_v2(w->db, SQL("SELECT" " prev_out_tx" ", prev_out_index" ", value" ", type" ", status" ", keyindex" ", channel_id" ", peer_id" ", commitment_point" ", option_anchor_outputs" ", confirmation_height" ", spend_height" ", scriptpubkey " ", reserved_til" ", csv_lock" " FROM outputs" " WHERE status = ?" " OR (status = ? AND reserved_til <= ?)" "ORDER BY RANDOM();")); db_bind_int(stmt, 0, output_status_in_db(OUTPUT_STATE_AVAILABLE)); db_bind_int(stmt, 1, output_status_in_db(OUTPUT_STATE_RESERVED)); db_bind_u64(stmt, 2, current_blockheight); /* FIXME: Use feerate + estimate of input cost to establish * range for amount_hint */ db_query_prepared(stmt); utxo = NULL; while (!utxo && db_step(stmt)) { utxo = wallet_stmt2output(ctx, stmt); if (excluded(excludes, utxo) || !deep_enough(maxheight, utxo, current_blockheight)) utxo = tal_free(utxo); } tal_free(stmt); return utxo; } bool wallet_add_onchaind_utxo(struct wallet *w, const struct bitcoin_outpoint *outpoint, const u8 *scriptpubkey, u32 blockheight, struct amount_sat amount, const struct channel *channel, /* NULL if option_static_remotekey */ const struct pubkey *commitment_point, u32 csv_lock) { struct db_stmt *stmt; stmt = db_prepare_v2(w->db, SQL("SELECT * from outputs WHERE " "prev_out_tx=? AND prev_out_index=?")); db_bind_txid(stmt, 0, &outpoint->txid); db_bind_int(stmt, 1, outpoint->n); db_query_prepared(stmt); /* If we get a result, that means a clash. */ if (db_step(stmt)) { db_col_ignore(stmt, "*"); tal_free(stmt); return false; } tal_free(stmt); stmt = db_prepare_v2( w->db, SQL("INSERT INTO outputs (" " prev_out_tx" ", prev_out_index" ", value" ", type" ", status" ", keyindex" ", channel_id" ", peer_id" ", commitment_point" ", option_anchor_outputs" ", confirmation_height" ", spend_height" ", scriptpubkey" ", csv_lock" ") VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?);")); db_bind_txid(stmt, 0, &outpoint->txid); db_bind_int(stmt, 1, outpoint->n); db_bind_amount_sat(stmt, 2, &amount); db_bind_int(stmt, 3, wallet_output_type_in_db(p2wpkh)); db_bind_int(stmt, 4, OUTPUT_STATE_AVAILABLE); db_bind_int(stmt, 5, 0); db_bind_u64(stmt, 6, channel->dbid); db_bind_node_id(stmt, 7, &channel->peer->id); if (commitment_point) db_bind_pubkey(stmt, 8, commitment_point); else db_bind_null(stmt, 8); db_bind_int(stmt, 9, channel_has(channel, OPT_ANCHOR_OUTPUTS)); db_bind_int(stmt, 10, blockheight); /* spendheight */ db_bind_null(stmt, 11); db_bind_blob(stmt, 12, scriptpubkey, tal_bytelen(scriptpubkey)); db_bind_int(stmt, 13, csv_lock); db_exec_prepared_v2(take(stmt)); return true; } bool wallet_can_spend(struct wallet *w, const u8 *script, u32 *index, bool *output_is_p2sh) { struct ext_key ext; u64 bip32_max_index = db_get_intvar(w->db, "bip32_max_index", 0); u32 i; /* If not one of these, can't be for us. */ if (is_p2sh(script, NULL)) *output_is_p2sh = true; else if (is_p2wpkh(script, NULL)) *output_is_p2sh = false; else return false; for (i = 0; i <= bip32_max_index + w->keyscan_gap; i++) { u8 *s; if (bip32_key_from_parent(w->bip32_base, i, BIP32_FLAG_KEY_PUBLIC, &ext) != WALLY_OK) { abort(); } s = scriptpubkey_p2wpkh_derkey(w, ext.pub_key); if (*output_is_p2sh) { u8 *p2sh = scriptpubkey_p2sh(w, s); tal_free(s); s = p2sh; } if (scripteq(s, script)) { /* If we found a used key in the keyscan_gap we should * remember that. */ if (i > bip32_max_index) db_set_intvar(w->db, "bip32_max_index", i); tal_free(s); *index = i; return true; } tal_free(s); } return false; } s64 wallet_get_newindex(struct lightningd *ld) { u64 newidx = db_get_intvar(ld->wallet->db, "bip32_max_index", 0) + 1; if (newidx == BIP32_INITIAL_HARDENED_CHILD) return -1; db_set_intvar(ld->wallet->db, "bip32_max_index", newidx); return newidx; } static void wallet_shachain_init(struct wallet *wallet, struct wallet_shachain *chain) { struct db_stmt *stmt; assert(chain->id == 0); /* Create shachain */ shachain_init(&chain->chain); stmt = db_prepare_v2( wallet->db, SQL("INSERT INTO shachains (min_index, num_valid) VALUES (?, 0);")); db_bind_u64(stmt, 0, chain->chain.min_index); db_exec_prepared_v2(stmt); chain->id = db_last_insert_id_v2(stmt); tal_free(stmt); } /* TODO(cdecker) Stolen from shachain, move to some appropriate location */ static unsigned int count_trailing_zeroes(uint64_t index) { #if HAVE_BUILTIN_CTZLL return index ? (unsigned int)__builtin_ctzll(index) : SHACHAIN_BITS; #else unsigned int i; for (i = 0; i < SHACHAIN_BITS; i++) { if (index & (1ULL << i)) break; } return i; #endif } bool wallet_shachain_add_hash(struct wallet *wallet, struct wallet_shachain *chain, uint64_t index, const struct secret *hash) { struct db_stmt *stmt; u32 pos = count_trailing_zeroes(index); struct sha256 s; bool updated; BUILD_ASSERT(sizeof(s) == sizeof(*hash)); memcpy(&s, hash, sizeof(s)); assert(index < SQLITE_MAX_UINT); if (!shachain_add_hash(&chain->chain, index, &s)) { return false; } stmt = db_prepare_v2( wallet->db, SQL("UPDATE shachains SET num_valid=?, min_index=? WHERE id=?")); db_bind_int(stmt, 0, chain->chain.num_valid); db_bind_u64(stmt, 1, index); db_bind_u64(stmt, 2, chain->id); db_exec_prepared_v2(take(stmt)); stmt = db_prepare_v2(wallet->db, SQL("UPDATE shachain_known SET idx=?, hash=? " "WHERE shachain_id=? AND pos=?")); db_bind_u64(stmt, 0, index); db_bind_secret(stmt, 1, hash); db_bind_u64(stmt, 2, chain->id); db_bind_int(stmt, 3, pos); db_exec_prepared_v2(stmt); updated = db_count_changes(stmt) == 1; tal_free(stmt); if (!updated) { stmt = db_prepare_v2( wallet->db, SQL("INSERT INTO shachain_known (shachain_id, " "pos, idx, hash) VALUES (?, ?, ?, ?);")); db_bind_u64(stmt, 0, chain->id); db_bind_int(stmt, 1, pos); db_bind_u64(stmt, 2, index); db_bind_secret(stmt, 3, hash); db_exec_prepared_v2(take(stmt)); } return true; } static bool wallet_shachain_load(struct wallet *wallet, u64 id, struct wallet_shachain *chain) { struct db_stmt *stmt; chain->id = id; shachain_init(&chain->chain); /* Load shachain metadata */ stmt = db_prepare_v2( wallet->db, SQL("SELECT min_index, num_valid FROM shachains WHERE id=?")); db_bind_u64(stmt, 0, id); db_query_prepared(stmt); if (!db_step(stmt)) { tal_free(stmt); return false; } chain->chain.min_index = db_col_u64(stmt, "min_index"); chain->chain.num_valid = db_col_u64(stmt, "num_valid"); tal_free(stmt); /* Load shachain known entries */ stmt = db_prepare_v2(wallet->db, SQL("SELECT idx, hash, pos FROM shachain_known " "WHERE shachain_id=?")); db_bind_u64(stmt, 0, id); db_query_prepared(stmt); while (db_step(stmt)) { int pos = db_col_int(stmt, "pos"); chain->chain.known[pos].index = db_col_u64(stmt, "idx"); db_col_sha256(stmt, "hash", &chain->chain.known[pos].hash); } tal_free(stmt); return true; } static struct peer *wallet_peer_load(struct wallet *w, const u64 dbid) { const char *addrstr; struct peer *peer = NULL; struct node_id id; struct wireaddr_internal addr; struct db_stmt *stmt; stmt = db_prepare_v2( w->db, SQL("SELECT id, node_id, address FROM peers WHERE id=?;")); db_bind_u64(stmt, 0, dbid); db_query_prepared(stmt); if (!db_step(stmt)) goto done; if (db_col_is_null(stmt, "node_id")) { db_col_ignore(stmt, "address"); db_col_ignore(stmt, "id"); goto done; } db_col_node_id(stmt, "node_id", &id); addrstr = db_col_strdup(tmpctx, stmt, "address"); if (!parse_wireaddr_internal(addrstr, &addr, DEFAULT_PORT, false, false, true, true, NULL)) goto done; /* FIXME: save incoming in db! */ peer = new_peer(w->ld, db_col_u64(stmt, "id"), &id, &addr, false); done: tal_free(stmt); return peer; } static struct bitcoin_signature * wallet_htlc_sigs_load(const tal_t *ctx, struct wallet *w, u64 channelid, bool option_anchor_outputs) { struct db_stmt *stmt; struct bitcoin_signature *htlc_sigs = tal_arr(ctx, struct bitcoin_signature, 0); stmt = db_prepare_v2( w->db, SQL("SELECT signature FROM htlc_sigs WHERE channelid = ?")); db_bind_u64(stmt, 0, channelid); db_query_prepared(stmt); while (db_step(stmt)) { struct bitcoin_signature sig; db_col_signature(stmt, "signature", &sig.s); /* BOLT #3: * ## HTLC-Timeout and HTLC-Success Transactions *... * * if `option_anchors` applies to this commitment * transaction, `SIGHASH_SINGLE|SIGHASH_ANYONECANPAY` is * used. */ if (option_anchor_outputs) sig.sighash_type = SIGHASH_SINGLE|SIGHASH_ANYONECANPAY; else sig.sighash_type = SIGHASH_ALL; tal_arr_expand(&htlc_sigs, sig); } tal_free(stmt); log_debug(w->log, "Loaded %zu HTLC signatures from DB", tal_count(htlc_sigs)); return htlc_sigs; } bool wallet_remote_ann_sigs_load(const tal_t *ctx, struct wallet *w, u64 id, secp256k1_ecdsa_signature **remote_ann_node_sig, secp256k1_ecdsa_signature **remote_ann_bitcoin_sig) { struct db_stmt *stmt; bool res; stmt = db_prepare_v2( w->db, SQL("SELECT remote_ann_node_sig, remote_ann_bitcoin_sig" " FROM channels WHERE id = ?")); db_bind_u64(stmt, 0, id); db_query_prepared(stmt); res = db_step(stmt); /* This must succeed, since we know the channel exists */ assert(res); /* if only one sig exists, forget the sig and hope peer send new ones*/ if (db_col_is_null(stmt, "remote_ann_node_sig") || db_col_is_null(stmt, "remote_ann_bitcoin_sig")) { db_col_ignore(stmt, "remote_ann_bitcoin_sig"); *remote_ann_node_sig = *remote_ann_bitcoin_sig = NULL; tal_free(stmt); return true; } /* the case left over is both sigs exist */ *remote_ann_node_sig = tal(ctx, secp256k1_ecdsa_signature); *remote_ann_bitcoin_sig = tal(ctx, secp256k1_ecdsa_signature); if (!db_col_signature(stmt, "remote_ann_node_sig", *remote_ann_node_sig)) goto fail; if (!db_col_signature(stmt, "remote_ann_bitcoin_sig", *remote_ann_bitcoin_sig)) goto fail; tal_free(stmt); return true; fail: *remote_ann_node_sig = tal_free(*remote_ann_node_sig); *remote_ann_bitcoin_sig = tal_free(*remote_ann_bitcoin_sig); tal_free(stmt); return false; } static struct fee_states *wallet_channel_fee_states_load(struct wallet *w, const u64 id, enum side opener) { struct fee_states *fee_states; struct db_stmt *stmt; stmt = db_prepare_v2(w->db, SQL("SELECT hstate, feerate_per_kw FROM channel_feerates WHERE channel_id = ?")); db_bind_u64(stmt, 0, id); db_query_prepared(stmt); /* Start with blank slate. */ fee_states = new_fee_states(w, opener, NULL); while (db_step(stmt)) { enum htlc_state hstate = htlc_state_in_db(db_col_int(stmt, "hstate")); u32 feerate = db_col_int(stmt, "feerate_per_kw"); if (fee_states->feerate[hstate] != NULL) { log_broken(w->log, "duplicate channel_feerates for %s id %"PRIu64, htlc_state_name(hstate), id); fee_states = tal_free(fee_states); break; } fee_states->feerate[hstate] = tal_dup(fee_states, u32, &feerate); } tal_free(stmt); if (fee_states && !fee_states_valid(fee_states, opener)) { log_broken(w->log, "invalid channel_feerates for id %"PRIu64, id); fee_states = tal_free(fee_states); } return fee_states; } static struct height_states *wallet_channel_height_states_load(struct wallet *w, const u64 id, enum side opener) { struct height_states *states; struct db_stmt *stmt; stmt = db_prepare_v2(w->db, SQL("SELECT hstate, blockheight FROM channel_blockheights WHERE channel_id = ?")); db_bind_u64(stmt, 0, id); db_query_prepared(stmt); /* Start with blank slate. */ states = new_height_states(w, opener, NULL); while (db_step(stmt)) { enum htlc_state hstate = htlc_state_in_db(db_col_int(stmt, "hstate")); u32 blockheight = db_col_int(stmt, "blockheight"); if (states->height[hstate] != NULL) { log_broken(w->log, "duplicate channel_blockheights for %s id %"PRIu64, htlc_state_name(hstate), id); states = tal_free(states); break; } states->height[hstate] = tal_dup(states, u32, &blockheight); } tal_free(stmt); if (states && !height_states_valid(states, opener)) { log_broken(w->log, "invalid channel_blockheight for id %"PRIu64, id); states = tal_free(states); } return states; } void wallet_inflight_add(struct wallet *w, struct channel_inflight *inflight) { struct db_stmt *stmt; stmt = db_prepare_v2(w->db, SQL("INSERT INTO channel_funding_inflights (" " channel_id" ", funding_tx_id" ", funding_tx_outnum" ", funding_feerate" ", funding_satoshi" ", our_funding_satoshi" ", funding_psbt" ", funding_tx_remote_sigs_received" ", last_tx" ", last_sig" ", lease_commit_sig" ", lease_chan_max_msat" ", lease_chan_max_ppt" ", lease_expiry" ", lease_blockheight_start" ", lease_fee" ") VALUES (" "?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?);")); db_bind_u64(stmt, 0, inflight->channel->dbid); db_bind_txid(stmt, 1, &inflight->funding->outpoint.txid); db_bind_int(stmt, 2, inflight->funding->outpoint.n); db_bind_int(stmt, 3, inflight->funding->feerate); db_bind_amount_sat(stmt, 4, &inflight->funding->total_funds); db_bind_amount_sat(stmt, 5, &inflight->funding->our_funds); db_bind_psbt(stmt, 6, inflight->funding_psbt); db_bind_int(stmt, 7, inflight->remote_tx_sigs ? 1 : 0); db_bind_psbt(stmt, 8, inflight->last_tx->psbt); db_bind_signature(stmt, 9, &inflight->last_sig.s); if (inflight->lease_expiry != 0) { db_bind_signature(stmt, 10, inflight->lease_commit_sig); db_bind_int(stmt, 11, inflight->lease_chan_max_msat); db_bind_int(stmt, 12, inflight->lease_chan_max_ppt); db_bind_int(stmt, 13, inflight->lease_expiry); db_bind_int(stmt, 14, inflight->lease_blockheight_start); db_bind_amount_msat(stmt, 15, &inflight->lease_fee); } else { db_bind_null(stmt, 10); db_bind_null(stmt, 11); db_bind_null(stmt, 12); db_bind_int(stmt, 13, 0); db_bind_null(stmt, 14); db_bind_null(stmt, 15); } db_exec_prepared_v2(stmt); assert(!stmt->error); tal_free(stmt); } void wallet_inflight_save(struct wallet *w, struct channel_inflight *inflight) { struct db_stmt *stmt; /* The *only* thing you can update on an * inflight is the funding PSBT (to add sigs) * ((and maybe later the last_tx/last_sig if this is for * a splice */ stmt = db_prepare_v2(w->db, SQL("UPDATE channel_funding_inflights SET" " funding_psbt=?" // 0 ", funding_tx_remote_sigs_received=?" // 1 " WHERE" " channel_id=?" // 2 " AND funding_tx_id=?" // 3 " AND funding_tx_outnum=?")); // 4 db_bind_psbt(stmt, 0, inflight->funding_psbt); db_bind_int(stmt, 1, inflight->remote_tx_sigs); db_bind_u64(stmt, 2, inflight->channel->dbid); db_bind_txid(stmt, 3, &inflight->funding->outpoint.txid); db_bind_int(stmt, 4, inflight->funding->outpoint.n); db_exec_prepared_v2(take(stmt)); } void wallet_channel_clear_inflights(struct wallet *w, struct channel *chan) { struct db_stmt *stmt; struct channel_inflight *inflight; /* Remove all the inflights for the channel */ stmt = db_prepare_v2(w->db, SQL("DELETE FROM channel_funding_inflights" " WHERE channel_id = ?")); db_bind_u64(stmt, 0, chan->dbid); db_exec_prepared_v2(take(stmt)); /* Empty out the list too */ while ((inflight = list_tail(&chan->inflights, struct channel_inflight, list))) tal_free(inflight); } static struct channel_inflight * wallet_stmt2inflight(struct wallet *w, struct db_stmt *stmt, struct channel *chan) { struct amount_sat funding_sat, our_funding_sat; struct amount_msat lease_fee; struct bitcoin_outpoint funding; struct bitcoin_signature last_sig; struct channel_inflight *inflight; secp256k1_ecdsa_signature *lease_commit_sig; u32 lease_chan_max_msat, lease_blockheight_start; u16 lease_chan_max_ppt; db_col_txid(stmt, "funding_tx_id", &funding.txid); funding.n = db_col_int(stmt, "funding_tx_outnum"), db_col_amount_sat(stmt, "funding_satoshi", &funding_sat); db_col_amount_sat(stmt, "our_funding_satoshi", &our_funding_sat); if (!db_col_signature(stmt, "last_sig", &last_sig.s)) return NULL; last_sig.sighash_type = SIGHASH_ALL; if (!db_col_is_null(stmt, "lease_commit_sig")) { lease_commit_sig = tal(tmpctx, secp256k1_ecdsa_signature); db_col_signature(stmt, "lease_commit_sig", lease_commit_sig); lease_chan_max_msat = db_col_int(stmt, "lease_chan_max_msat"); lease_chan_max_ppt = db_col_int(stmt, "lease_chan_max_ppt"); lease_blockheight_start = db_col_int(stmt, "lease_blockheight_start"); db_col_amount_msat(stmt, "lease_fee", &lease_fee); } else { lease_commit_sig = NULL; lease_chan_max_msat = 0; lease_chan_max_ppt = 0; lease_blockheight_start = 0; lease_fee = AMOUNT_MSAT(0); db_col_ignore(stmt, "lease_chan_max_msat"); db_col_ignore(stmt, "lease_chan_max_ppt"); db_col_ignore(stmt, "lease_blockheight_start"); db_col_ignore(stmt, "lease_fee"); } inflight = new_inflight(chan, &funding, db_col_int(stmt, "funding_feerate"), funding_sat, our_funding_sat, db_col_psbt(tmpctx, stmt, "funding_psbt"), db_col_psbt_to_tx(tmpctx, stmt, "last_tx"), last_sig, db_col_int(stmt, "lease_expiry"), lease_commit_sig, lease_chan_max_msat, lease_chan_max_ppt, lease_blockheight_start, lease_fee); /* Pull out the serialized tx-sigs-received-ness */ inflight->remote_tx_sigs = db_col_int(stmt, "funding_tx_remote_sigs_received"); return inflight; } static bool wallet_channel_load_inflights(struct wallet *w, struct channel *chan) { bool ok = true; struct db_stmt *stmt; stmt = db_prepare_v2(w->db, SQL("SELECT" " funding_tx_id" ", funding_tx_outnum" ", funding_feerate" ", funding_satoshi" ", our_funding_satoshi" ", funding_psbt" ", last_tx" ", last_sig" ", funding_tx_remote_sigs_received" ", lease_expiry" ", lease_commit_sig" ", lease_chan_max_msat" ", lease_chan_max_ppt" ", lease_blockheight_start" ", lease_fee" " FROM channel_funding_inflights" " WHERE channel_id = ?" " ORDER BY funding_feerate")); db_bind_u64(stmt, 0, chan->dbid); db_query_prepared(stmt); while (db_step(stmt)) { struct channel_inflight *inflight; inflight = wallet_stmt2inflight(w, stmt, chan); if (!inflight) { ok = false; break; } } tal_free(stmt); return ok; } static bool wallet_channel_config_load(struct wallet *w, const u64 id, struct channel_config *cc) { bool ok = true; const char *query = SQL( "SELECT dust_limit_satoshis, max_htlc_value_in_flight_msat, " "channel_reserve_satoshis, htlc_minimum_msat, to_self_delay, " "max_accepted_htlcs, max_dust_htlc_exposure_msat" " FROM channel_configs WHERE id= ? ;"); struct db_stmt *stmt = db_prepare_v2(w->db, query); db_bind_u64(stmt, 0, id); db_query_prepared(stmt); if (!db_step(stmt)) return false; cc->id = id; db_col_amount_sat(stmt, "dust_limit_satoshis", &cc->dust_limit); db_col_amount_msat(stmt, "max_htlc_value_in_flight_msat", &cc->max_htlc_value_in_flight); db_col_amount_sat(stmt, "channel_reserve_satoshis", &cc->channel_reserve); db_col_amount_msat(stmt, "htlc_minimum_msat", &cc->htlc_minimum); cc->to_self_delay = db_col_int(stmt, "to_self_delay"); cc->max_accepted_htlcs = db_col_int(stmt, "max_accepted_htlcs"); db_col_amount_msat(stmt, "max_dust_htlc_exposure_msat", &cc->max_dust_htlc_exposure_msat); tal_free(stmt); return ok; } /** * wallet_stmt2channel - Helper to populate a wallet_channel from a `db_stmt` */ static struct channel *wallet_stmt2channel(struct wallet *w, struct db_stmt *stmt) { bool ok = true; struct channel_info channel_info; struct fee_states *fee_states; struct height_states *height_states; struct short_channel_id *scid; struct channel_id cid; struct channel *chan; u64 peer_dbid; struct peer *peer; struct wallet_shachain wshachain; struct channel_config our_config; struct bitcoin_outpoint funding; struct bitcoin_outpoint *shutdown_wrong_funding; struct bitcoin_signature last_sig; u8 *remote_shutdown_scriptpubkey; u8 *local_shutdown_scriptpubkey; struct changed_htlc *last_sent_commit; s64 final_key_idx, channel_config_id; struct basepoints local_basepoints; struct pubkey local_funding_pubkey; struct pubkey *future_per_commitment_point; struct amount_sat funding_sat, our_funding_sat; struct amount_msat push_msat, our_msat, msat_to_us_min, msat_to_us_max; struct channel_type *type; secp256k1_ecdsa_signature *lease_commit_sig; u32 lease_chan_max_msat; u16 lease_chan_max_ppt; peer_dbid = db_col_u64(stmt, "peer_id"); peer = find_peer_by_dbid(w->ld, peer_dbid); if (!peer) { peer = wallet_peer_load(w, peer_dbid); if (!peer) { return NULL; } } if (!db_col_is_null(stmt, "short_channel_id")) { scid = tal(tmpctx, struct short_channel_id); if (!db_col_short_channel_id_str(stmt, "short_channel_id", scid)) return NULL; } else { scid = NULL; } ok &= wallet_shachain_load(w, db_col_u64(stmt, "shachain_remote_id"), &wshachain); remote_shutdown_scriptpubkey = db_col_arr(tmpctx, stmt, "shutdown_scriptpubkey_remote", u8); local_shutdown_scriptpubkey = db_col_arr(tmpctx, stmt, "shutdown_scriptpubkey_local", u8); /* Do we have a last_sent_commit, if yes, populate */ if (!db_col_is_null(stmt, "last_sent_commit")) { const u8 *cursor = db_col_blob(stmt, "last_sent_commit"); size_t len = db_col_bytes(stmt, "last_sent_commit"); size_t n = 0; last_sent_commit = tal_arr(tmpctx, struct changed_htlc, n); while (len) { tal_resize(&last_sent_commit, n+1); fromwire_changed_htlc(&cursor, &len, &last_sent_commit[n++]); } } else last_sent_commit = NULL; #ifdef COMPAT_V060 if (!last_sent_commit && !db_col_is_null(stmt, "last_sent_commit_state")) { last_sent_commit = tal(tmpctx, struct changed_htlc); last_sent_commit->newstate = db_col_u64(stmt, "last_sent_commit_state"); last_sent_commit->id = db_col_u64(stmt, "last_sent_commit_id"); } #endif db_col_ignore(stmt, "last_sent_commit_state"); db_col_ignore(stmt, "last_sent_commit_id"); if (!db_col_is_null(stmt, "future_per_commitment_point")) { future_per_commitment_point = tal(tmpctx, struct pubkey); db_col_pubkey(stmt, "future_per_commitment_point", future_per_commitment_point); } else future_per_commitment_point = NULL; db_col_channel_id(stmt, "full_channel_id", &cid); channel_config_id = db_col_u64(stmt, "channel_config_local"); ok &= wallet_channel_config_load(w, channel_config_id, &our_config); db_col_sha256d(stmt, "funding_tx_id", &funding.txid.shad); funding.n = db_col_int(stmt, "funding_tx_outnum"), ok &= db_col_signature(stmt, "last_sig", &last_sig.s); last_sig.sighash_type = SIGHASH_ALL; /* Populate channel_info */ db_col_pubkey(stmt, "fundingkey_remote", &channel_info.remote_fundingkey); db_col_pubkey(stmt, "revocation_basepoint_remote", &channel_info.theirbase.revocation); db_col_pubkey(stmt, "payment_basepoint_remote", &channel_info.theirbase.payment); db_col_pubkey(stmt, "htlc_basepoint_remote", &channel_info.theirbase.htlc); db_col_pubkey(stmt, "delayed_payment_basepoint_remote", &channel_info.theirbase.delayed_payment); db_col_pubkey(stmt, "per_commit_remote", &channel_info.remote_per_commit); db_col_pubkey(stmt, "old_per_commit_remote", &channel_info.old_remote_per_commit); wallet_channel_config_load(w, db_col_u64(stmt, "channel_config_remote"), &channel_info.their_config); fee_states = wallet_channel_fee_states_load(w, db_col_u64(stmt, "id"), db_col_int(stmt, "funder")); if (!fee_states) ok = false; if (!ok) { tal_free(fee_states); return NULL; } /* Blockheight states for the channel! */ height_states = wallet_channel_height_states_load(w, db_col_u64(stmt, "id"), db_col_int(stmt, "funder")); if (!height_states) ok = false; if (!ok) { tal_free(height_states); return NULL; } final_key_idx = db_col_u64(stmt, "shutdown_keyidx_local"); if (final_key_idx < 0) { tal_free(fee_states); log_broken(w->log, "%s: Final key < 0", __func__); return NULL; } db_col_pubkey(stmt, "revocation_basepoint_local", &local_basepoints.revocation); db_col_pubkey(stmt, "payment_basepoint_local", &local_basepoints.payment); db_col_pubkey(stmt, "htlc_basepoint_local", &local_basepoints.htlc); db_col_pubkey(stmt, "delayed_payment_basepoint_local", &local_basepoints.delayed_payment); db_col_pubkey(stmt, "funding_pubkey_local", &local_funding_pubkey); if (db_col_is_null(stmt, "shutdown_wrong_txid")) { db_col_ignore(stmt, "shutdown_wrong_outnum"); shutdown_wrong_funding = NULL; } else { shutdown_wrong_funding = tal(tmpctx, struct bitcoin_outpoint); db_col_txid(stmt, "shutdown_wrong_txid", &shutdown_wrong_funding->txid); shutdown_wrong_funding->n = db_col_int(stmt, "shutdown_wrong_outnum"); } db_col_amount_sat(stmt, "funding_satoshi", &funding_sat); db_col_amount_sat(stmt, "our_funding_satoshi", &our_funding_sat); db_col_amount_msat(stmt, "push_msatoshi", &push_msat); db_col_amount_msat(stmt, "msatoshi_local", &our_msat); db_col_amount_msat(stmt, "msatoshi_to_us_min", &msat_to_us_min); db_col_amount_msat(stmt, "msatoshi_to_us_max", &msat_to_us_max); if (!db_col_is_null(stmt, "lease_commit_sig")) { lease_commit_sig = tal(w, secp256k1_ecdsa_signature); db_col_signature(stmt, "lease_commit_sig", lease_commit_sig); lease_chan_max_msat = db_col_int(stmt, "lease_chan_max_msat"); lease_chan_max_ppt = db_col_int(stmt, "lease_chan_max_ppt"); } else { db_col_ignore(stmt, "lease_chan_max_msat"); db_col_ignore(stmt, "lease_chan_max_ppt"); lease_commit_sig = NULL; lease_chan_max_msat = 0; lease_chan_max_ppt = 0; } if (db_col_int(stmt, "option_anchor_outputs")) type = channel_type_anchor_outputs(NULL); else if (db_col_u64(stmt, "local_static_remotekey_start") != 0x7FFFFFFFFFFFFFFFULL) type = channel_type_static_remotekey(NULL); else type = channel_type_none(NULL); chan = new_channel(peer, db_col_u64(stmt, "id"), &wshachain, db_col_int(stmt, "state"), db_col_int(stmt, "funder"), NULL, /* Set up fresh log */ "Loaded from database", db_col_int(stmt, "channel_flags"), &our_config, db_col_int(stmt, "minimum_depth"), db_col_u64(stmt, "next_index_local"), db_col_u64(stmt, "next_index_remote"), db_col_u64(stmt, "next_htlc_id"), &funding, funding_sat, push_msat, our_funding_sat, db_col_int(stmt, "funding_locked_remote") != 0, scid, &cid, our_msat, msat_to_us_min, /* msatoshi_to_us_min */ msat_to_us_max, /* msatoshi_to_us_max */ db_col_psbt_to_tx(tmpctx, stmt, "last_tx"), &last_sig, wallet_htlc_sigs_load(tmpctx, w, db_col_u64(stmt, "id"), db_col_int(stmt, "option_anchor_outputs")), &channel_info, take(fee_states), remote_shutdown_scriptpubkey, local_shutdown_scriptpubkey, final_key_idx, db_col_int(stmt, "last_was_revoke") != 0, last_sent_commit, db_col_u64(stmt, "first_blocknum"), db_col_int(stmt, "min_possible_feerate"), db_col_int(stmt, "max_possible_feerate"), /* Not connected */ false, &local_basepoints, &local_funding_pubkey, future_per_commitment_point, db_col_int(stmt, "feerate_base"), db_col_int(stmt, "feerate_ppm"), db_col_arr(tmpctx, stmt, "remote_upfront_shutdown_script", u8), db_col_u64(stmt, "local_static_remotekey_start"), db_col_u64(stmt, "remote_static_remotekey_start"), type, db_col_int(stmt, "closer"), db_col_int(stmt, "state_change_reason"), shutdown_wrong_funding, take(height_states), db_col_int(stmt, "lease_expiry"), lease_commit_sig, lease_chan_max_msat, lease_chan_max_ppt); if (!wallet_channel_load_inflights(w, chan)) { tal_free(chan); return NULL; } return chan; } static void set_max_channel_dbid(struct wallet *w) { struct db_stmt *stmt; stmt = db_prepare_v2(w->db, SQL("SELECT id FROM channels ORDER BY id DESC LIMIT 1;")); db_query_prepared(stmt); w->max_channel_dbid = 0; if (db_step(stmt)) w->max_channel_dbid = db_col_u64(stmt, "id"); tal_free(stmt); } static bool wallet_channels_load_active(struct wallet *w) { bool ok = true; struct db_stmt *stmt; int count = 0; /* We load all channels */ stmt = db_prepare_v2(w->db, SQL("SELECT" " id" ", peer_id" ", short_channel_id" ", full_channel_id" ", channel_config_local" ", channel_config_remote" ", state" ", funder" ", channel_flags" ", minimum_depth" ", next_index_local" ", next_index_remote" ", next_htlc_id" ", funding_tx_id" ", funding_tx_outnum" ", funding_satoshi" ", our_funding_satoshi" ", funding_locked_remote" ", push_msatoshi" ", msatoshi_local" ", fundingkey_remote" ", revocation_basepoint_remote" ", payment_basepoint_remote" ", htlc_basepoint_remote" ", delayed_payment_basepoint_remote" ", per_commit_remote" ", old_per_commit_remote" ", shachain_remote_id" ", shutdown_scriptpubkey_remote" ", shutdown_keyidx_local" ", last_sent_commit_state" ", last_sent_commit_id" ", last_tx" ", last_sig" ", last_was_revoke" ", first_blocknum" ", min_possible_feerate" ", max_possible_feerate" ", msatoshi_to_us_min" ", msatoshi_to_us_max" ", future_per_commitment_point" ", last_sent_commit" ", feerate_base" ", feerate_ppm" ", remote_upfront_shutdown_script" ", local_static_remotekey_start" ", remote_static_remotekey_start" ", option_anchor_outputs" ", shutdown_scriptpubkey_local" ", closer" ", state_change_reason" ", revocation_basepoint_local" ", payment_basepoint_local" ", htlc_basepoint_local" ", delayed_payment_basepoint_local" ", funding_pubkey_local" ", shutdown_wrong_txid" ", shutdown_wrong_outnum" ", lease_expiry" ", lease_commit_sig" ", lease_chan_max_msat" ", lease_chan_max_ppt" " FROM channels" " WHERE state != ?;")); //? 0 db_bind_int(stmt, 0, CLOSED); db_query_prepared(stmt); while (db_step(stmt)) { struct channel *c = wallet_stmt2channel(w, stmt); if (!c) { ok = false; break; } count++; } log_debug(w->log, "Loaded %d channels from DB", count); tal_free(stmt); return ok; } bool wallet_init_channels(struct wallet *w) { /* We set the max channel database id separately */ set_max_channel_dbid(w); return wallet_channels_load_active(w); } static enum channel_state_bucket get_state_channel_db(const char *dir, const char *typ) { enum channel_state_bucket channel_state = IN_OFFERED; if (streq(dir, "out")) channel_state += 2; if (streq(typ, "fulfilled")) channel_state += 1; return channel_state; } static void wallet_channel_stats_incr_x(struct wallet *w, char const *dir, char const *typ, u64 cdbid, struct amount_msat msat) { struct db_stmt *stmt; const char *query = NULL; switch (get_state_channel_db(dir, typ)) { case IN_OFFERED: query = SQL("UPDATE channels" " SET in_payments_offered = COALESCE(in_payments_offered, 0) + 1" " , in_msatoshi_offered = COALESCE(in_msatoshi_offered, 0) + ?" " WHERE id = ?;"); break; case IN_FULLFILLED: query = SQL("UPDATE channels" " SET in_payments_fulfilled = COALESCE(in_payments_fulfilled, 0) + 1" " , in_msatoshi_fulfilled = COALESCE(in_msatoshi_fulfilled, 0) + ?" " WHERE id = ?;"); break; case OUT_OFFERED: query = SQL("UPDATE channels" " SET out_payments_offered = COALESCE(out_payments_offered, 0) + 1" " , out_msatoshi_offered = COALESCE(out_msatoshi_offered, 0) + ?" " WHERE id = ?;"); break; case OUT_FULLFILLED: query = SQL("UPDATE channels" " SET out_payments_fulfilled = COALESCE(out_payments_fulfilled, 0) + 1" " , out_msatoshi_fulfilled = COALESCE(out_msatoshi_fulfilled, 0) + ?" " WHERE id = ?;"); break; } // Sanity check! if (!query) fatal("Unknown channel state key (direction %s, type %s)", dir, typ); stmt = db_prepare_v2(w->db, query); db_bind_amount_msat(stmt, 0, &msat); db_bind_u64(stmt, 1, cdbid); db_exec_prepared_v2(take(stmt)); } void wallet_channel_stats_incr_in_offered(struct wallet *w, u64 id, struct amount_msat m) { wallet_channel_stats_incr_x(w, "in", "offered", id, m); } void wallet_channel_stats_incr_in_fulfilled(struct wallet *w, u64 id, struct amount_msat m) { wallet_channel_stats_incr_x(w, "in", "fulfilled", id, m); } void wallet_channel_stats_incr_out_offered(struct wallet *w, u64 id, struct amount_msat m) { wallet_channel_stats_incr_x(w, "out", "offered", id, m); } void wallet_channel_stats_incr_out_fulfilled(struct wallet *w, u64 id, struct amount_msat m) { wallet_channel_stats_incr_x(w, "out", "fulfilled", id, m); } void wallet_channel_stats_load(struct wallet *w, u64 id, struct channel_stats *stats) { struct db_stmt *stmt; int res; stmt = db_prepare_v2(w->db, SQL( "SELECT" " in_payments_offered, in_payments_fulfilled" ", in_msatoshi_offered, in_msatoshi_fulfilled" ", out_payments_offered, out_payments_fulfilled" ", out_msatoshi_offered, out_msatoshi_fulfilled" " FROM channels" " WHERE id = ?")); db_bind_u64(stmt, 0, id); db_query_prepared(stmt); res = db_step(stmt); /* This must succeed, since we know the channel exists */ assert(res); stats->in_payments_offered = db_col_int_or_default(stmt, "in_payments_offered", 0); stats->in_payments_fulfilled = db_col_int_or_default(stmt, "in_payments_fulfilled", 0); db_col_amount_msat_or_default(stmt, "in_msatoshi_offered", &stats->in_msatoshi_offered, AMOUNT_MSAT(0)); db_col_amount_msat_or_default(stmt, "in_msatoshi_fulfilled", &stats->in_msatoshi_fulfilled, AMOUNT_MSAT(0)); stats->out_payments_offered = db_col_int_or_default(stmt, "out_payments_offered", 0); stats->out_payments_fulfilled = db_col_int_or_default(stmt, "out_payments_fulfilled", 0); db_col_amount_msat_or_default(stmt, "out_msatoshi_offered", &stats->out_msatoshi_offered, AMOUNT_MSAT(0)); db_col_amount_msat_or_default(stmt, "out_msatoshi_fulfilled", &stats->out_msatoshi_fulfilled, AMOUNT_MSAT(0)); tal_free(stmt); } void wallet_blocks_heights(struct wallet *w, u32 def, u32 *min, u32 *max) { assert(min != NULL && max != NULL); struct db_stmt *stmt = db_prepare_v2(w->db, SQL("SELECT MIN(height), MAX(height) FROM blocks;")); db_query_prepared(stmt); *min = def; *max = def; /* If we ever processed a block we'll get the latest block in the chain */ if (db_step(stmt)) { if (!db_col_is_null(stmt, "MIN(height)")) { *min = db_col_int(stmt, "MIN(height)"); *max = db_col_int(stmt, "MAX(height)"); } else { db_col_ignore(stmt, "MAX(height)"); } } tal_free(stmt); } static void wallet_channel_config_insert(struct wallet *w, struct channel_config *cc) { struct db_stmt *stmt; assert(cc->id == 0); stmt = db_prepare_v2(w->db, SQL("INSERT INTO channel_configs DEFAULT VALUES;")); db_exec_prepared_v2(stmt); cc->id = db_last_insert_id_v2(stmt); tal_free(stmt); } static void wallet_channel_config_save(struct wallet *w, const struct channel_config *cc) { struct db_stmt *stmt; assert(cc->id != 0); stmt = db_prepare_v2(w->db, SQL("UPDATE channel_configs SET" " dust_limit_satoshis=?," " max_htlc_value_in_flight_msat=?," " channel_reserve_satoshis=?," " htlc_minimum_msat=?," " to_self_delay=?," " max_accepted_htlcs=?," " max_dust_htlc_exposure_msat=?" " WHERE id=?;")); db_bind_amount_sat(stmt, 0, &cc->dust_limit); db_bind_amount_msat(stmt, 1, &cc->max_htlc_value_in_flight); db_bind_amount_sat(stmt, 2, &cc->channel_reserve); db_bind_amount_msat(stmt, 3, &cc->htlc_minimum); db_bind_int(stmt, 4, cc->to_self_delay); db_bind_int(stmt, 5, cc->max_accepted_htlcs); db_bind_amount_msat(stmt, 6, &cc->max_dust_htlc_exposure_msat); db_bind_u64(stmt, 7, cc->id); db_exec_prepared_v2(take(stmt)); } u64 wallet_get_channel_dbid(struct wallet *wallet) { return ++wallet->max_channel_dbid; } /* When we receive the remote announcement message, we will also call this function */ void wallet_announcement_save(struct wallet *w, u64 id, secp256k1_ecdsa_signature *remote_ann_node_sig, secp256k1_ecdsa_signature *remote_ann_bitcoin_sig) { struct db_stmt *stmt; stmt = db_prepare_v2(w->db, SQL("UPDATE channels SET" " remote_ann_node_sig=?," " remote_ann_bitcoin_sig=?" " WHERE id=?")); db_bind_signature(stmt, 0, remote_ann_node_sig); db_bind_signature(stmt, 1, remote_ann_bitcoin_sig); db_bind_u64(stmt, 2, id); db_exec_prepared_v2(take(stmt)); } void wallet_channel_save(struct wallet *w, struct channel *chan) { struct db_stmt *stmt; u8 *last_sent_commit; assert(chan->first_blocknum); wallet_channel_config_save(w, &chan->our_config); stmt = db_prepare_v2(w->db, SQL("UPDATE channels SET" " shachain_remote_id=?," // 0 " short_channel_id=?," // 1 " full_channel_id=?," // 2 " state=?," // 3 " funder=?," // 4 " channel_flags=?," // 5 " minimum_depth=?," // 6 " next_index_local=?," // 7 " next_index_remote=?," // 8 " next_htlc_id=?," // 9 " funding_tx_id=?," // 10 " funding_tx_outnum=?," // 11 " funding_satoshi=?," // 12 " our_funding_satoshi=?," // 13 " funding_locked_remote=?," // 14 " push_msatoshi=?," // 15 " msatoshi_local=?," // 16 " shutdown_scriptpubkey_remote=?," " shutdown_keyidx_local=?," // 18 " channel_config_local=?," // 19 " last_tx=?, last_sig=?," // 20 + 21 " last_was_revoke=?," // 22 " min_possible_feerate=?," // 23 " max_possible_feerate=?," // 24 " msatoshi_to_us_min=?," // 25 " msatoshi_to_us_max=?," // 26 " feerate_base=?," // 27 " feerate_ppm=?," // 28 " remote_upfront_shutdown_script=?," // 29 " local_static_remotekey_start=?," // 30 " remote_static_remotekey_start=?," // 31 " option_anchor_outputs=?," // 32 " shutdown_scriptpubkey_local=?," // 33 " closer=?," // 34 " state_change_reason=?," // 35 " shutdown_wrong_txid=?," // 36 " shutdown_wrong_outnum=?," // 37 " lease_expiry=?," // 38 " lease_commit_sig=?," // 39 " lease_chan_max_msat=?," // 40 " lease_chan_max_ppt=?" // 41 " WHERE id=?")); // 42 db_bind_u64(stmt, 0, chan->their_shachain.id); if (chan->scid) db_bind_short_channel_id(stmt, 1, chan->scid); else db_bind_null(stmt, 1); db_bind_channel_id(stmt, 2, &chan->cid); db_bind_int(stmt, 3, chan->state); db_bind_int(stmt, 4, chan->opener); db_bind_int(stmt, 5, chan->channel_flags); db_bind_int(stmt, 6, chan->minimum_depth); db_bind_u64(stmt, 7, chan->next_index[LOCAL]); db_bind_u64(stmt, 8, chan->next_index[REMOTE]); db_bind_u64(stmt, 9, chan->next_htlc_id); db_bind_sha256d(stmt, 10, &chan->funding.txid.shad); db_bind_int(stmt, 11, chan->funding.n); db_bind_amount_sat(stmt, 12, &chan->funding_sats); db_bind_amount_sat(stmt, 13, &chan->our_funds); db_bind_int(stmt, 14, chan->remote_funding_locked); db_bind_amount_msat(stmt, 15, &chan->push); db_bind_amount_msat(stmt, 16, &chan->our_msat); db_bind_talarr(stmt, 17, chan->shutdown_scriptpubkey[REMOTE]); db_bind_u64(stmt, 18, chan->final_key_idx); db_bind_u64(stmt, 19, chan->our_config.id); db_bind_psbt(stmt, 20, chan->last_tx->psbt); db_bind_signature(stmt, 21, &chan->last_sig.s); db_bind_int(stmt, 22, chan->last_was_revoke); db_bind_int(stmt, 23, chan->min_possible_feerate); db_bind_int(stmt, 24, chan->max_possible_feerate); db_bind_amount_msat(stmt, 25, &chan->msat_to_us_min); db_bind_amount_msat(stmt, 26, &chan->msat_to_us_max); db_bind_int(stmt, 27, chan->feerate_base); db_bind_int(stmt, 28, chan->feerate_ppm); db_bind_talarr(stmt, 29, chan->remote_upfront_shutdown_script); db_bind_u64(stmt, 30, chan->static_remotekey_start[LOCAL]); db_bind_u64(stmt, 31, chan->static_remotekey_start[REMOTE]); db_bind_int(stmt, 32, channel_has(chan, OPT_ANCHOR_OUTPUTS)); db_bind_talarr(stmt, 33, chan->shutdown_scriptpubkey[LOCAL]); db_bind_int(stmt, 34, chan->closer); db_bind_int(stmt, 35, chan->state_change_cause); if (chan->shutdown_wrong_funding) { db_bind_txid(stmt, 36, &chan->shutdown_wrong_funding->txid); db_bind_int(stmt, 37, chan->shutdown_wrong_funding->n); } else { db_bind_null(stmt, 36); db_bind_null(stmt, 37); } db_bind_int(stmt, 38, chan->lease_expiry); if (chan->lease_commit_sig) { db_bind_signature(stmt, 39, chan->lease_commit_sig); db_bind_int(stmt, 40, chan->lease_chan_max_msat); db_bind_int(stmt, 41, chan->lease_chan_max_ppt); } else { db_bind_null(stmt, 39); db_bind_null(stmt, 40); db_bind_null(stmt, 41); } db_bind_u64(stmt, 42, chan->dbid); db_exec_prepared_v2(take(stmt)); wallet_channel_config_save(w, &chan->channel_info.their_config); stmt = db_prepare_v2(w->db, SQL("UPDATE channels SET" " fundingkey_remote=?," " revocation_basepoint_remote=?," " payment_basepoint_remote=?," " htlc_basepoint_remote=?," " delayed_payment_basepoint_remote=?," " per_commit_remote=?," " old_per_commit_remote=?," " channel_config_remote=?," " future_per_commitment_point=?" " WHERE id=?")); db_bind_pubkey(stmt, 0, &chan->channel_info.remote_fundingkey); db_bind_pubkey(stmt, 1, &chan->channel_info.theirbase.revocation); db_bind_pubkey(stmt, 2, &chan->channel_info.theirbase.payment); db_bind_pubkey(stmt, 3, &chan->channel_info.theirbase.htlc); db_bind_pubkey(stmt, 4, &chan->channel_info.theirbase.delayed_payment); db_bind_pubkey(stmt, 5, &chan->channel_info.remote_per_commit); db_bind_pubkey(stmt, 6, &chan->channel_info.old_remote_per_commit); db_bind_u64(stmt, 7, chan->channel_info.their_config.id); if (chan->future_per_commitment_point) db_bind_pubkey(stmt, 8, chan->future_per_commitment_point); else db_bind_null(stmt, 8); db_bind_u64(stmt, 9, chan->dbid); db_exec_prepared_v2(take(stmt)); /* FIXME: Updates channel_feerates by discarding and rewriting. */ stmt = db_prepare_v2(w->db, SQL("DELETE FROM channel_feerates " "WHERE channel_id=?")); db_bind_u64(stmt, 0, chan->dbid); db_exec_prepared_v2(take(stmt)); for (enum htlc_state i = 0; i < ARRAY_SIZE(chan->fee_states->feerate); i++) { if (!chan->fee_states->feerate[i]) continue; stmt = db_prepare_v2(w->db, SQL("INSERT INTO channel_feerates " " VALUES(?, ?, ?)")); db_bind_u64(stmt, 0, chan->dbid); db_bind_int(stmt, 1, htlc_state_in_db(i)); db_bind_int(stmt, 2, *chan->fee_states->feerate[i]); db_exec_prepared_v2(take(stmt)); } /* FIXME: Updates channel_blockheights by discarding and rewriting. */ stmt = db_prepare_v2(w->db, SQL("DELETE FROM channel_blockheights " "WHERE channel_id=?")); db_bind_u64(stmt, 0, chan->dbid); db_exec_prepared_v2(take(stmt)); for (enum htlc_state i = 0; i < ARRAY_SIZE(chan->blockheight_states->height); i++) { if (!chan->blockheight_states->height[i]) continue; stmt = db_prepare_v2(w->db, SQL("INSERT INTO channel_blockheights " " VALUES(?, ?, ?)")); db_bind_u64(stmt, 0, chan->dbid); db_bind_int(stmt, 1, htlc_state_in_db(i)); db_bind_int(stmt, 2, *chan->blockheight_states->height[i]); db_exec_prepared_v2(take(stmt)); } /* If we have a last_sent_commit, store it */ last_sent_commit = tal_arr(tmpctx, u8, 0); for (size_t i = 0; i < tal_count(chan->last_sent_commit); i++) towire_changed_htlc(&last_sent_commit, &chan->last_sent_commit[i]); /* Make it null in db if it's empty */ if (tal_count(last_sent_commit) == 0) last_sent_commit = tal_free(last_sent_commit); stmt = db_prepare_v2(w->db, SQL("UPDATE channels SET" " last_sent_commit=?" " WHERE id=?")); /* Update the inflights also */ struct channel_inflight *inflight; list_for_each(&chan->inflights, inflight, list) wallet_inflight_save(w, inflight); db_bind_talarr(stmt, 0, last_sent_commit); db_bind_u64(stmt, 1, chan->dbid); db_exec_prepared_v2(take(stmt)); } void wallet_state_change_add(struct wallet *w, const u64 channel_id, struct timeabs *timestamp, enum channel_state old_state, enum channel_state new_state, enum state_change cause, char *message) { struct db_stmt *stmt; stmt = db_prepare_v2(w->db, SQL("INSERT INTO channel_state_changes (" " channel_id" ", timestamp" ", old_state" ", new_state" ", cause" ", message" ") VALUES (?, ?, ?, ?, ?, ?);")); db_bind_u64(stmt, 0, channel_id); db_bind_timeabs(stmt, 1, *timestamp); db_bind_int(stmt, 2, old_state); db_bind_int(stmt, 3, new_state); db_bind_int(stmt, 4, cause); db_bind_text(stmt, 5, message); db_exec_prepared_v2(take(stmt)); } struct state_change_entry *wallet_state_change_get(struct wallet *w, const tal_t *ctx, u64 channel_id) { struct db_stmt *stmt; struct state_change_entry tmp; struct state_change_entry *res = tal_arr(ctx, struct state_change_entry, 0); stmt = db_prepare_v2( w->db, SQL("SELECT" " timestamp," " old_state," " new_state," " cause," " message " "FROM channel_state_changes " "WHERE channel_id = ? " "ORDER BY timestamp ASC;")); db_bind_int(stmt, 0, channel_id); db_query_prepared(stmt); while (db_step(stmt)) { tmp.timestamp = db_col_timeabs(stmt, "timestamp"); tmp.old_state = db_col_int(stmt, "old_state"); tmp.new_state = db_col_int(stmt, "new_state"); tmp.cause = db_col_int(stmt, "cause"); tmp.message = db_col_strdup(res, stmt, "message"); tal_arr_expand(&res, tmp); } tal_free(stmt); return res; } static void wallet_peer_save(struct wallet *w, struct peer *peer) { const char *addr = type_to_string(tmpctx, struct wireaddr_internal, &peer->addr); struct db_stmt *stmt = db_prepare_v2(w->db, SQL("SELECT id FROM peers WHERE node_id = ?")); db_bind_node_id(stmt, 0, &peer->id); db_query_prepared(stmt); if (db_step(stmt)) { /* So we already knew this peer, just return its dbid */ peer->dbid = db_col_u64(stmt, "id"); tal_free(stmt); /* Since we're at it update the wireaddr */ stmt = db_prepare_v2( w->db, SQL("UPDATE peers SET address = ? WHERE id = ?")); db_bind_text(stmt, 0, addr); db_bind_u64(stmt, 1, peer->dbid); db_exec_prepared_v2(take(stmt)); } else { /* Unknown peer, create it from scratch */ tal_free(stmt); stmt = db_prepare_v2(w->db, SQL("INSERT INTO peers (node_id, address) VALUES (?, ?);") ); db_bind_node_id(stmt, 0, &peer->id); db_bind_text(stmt, 1,addr); db_exec_prepared_v2(stmt); peer->dbid = db_last_insert_id_v2(take(stmt)); } } void wallet_channel_insert(struct wallet *w, struct channel *chan) { struct db_stmt *stmt; assert(chan->dbid != 0); assert(chan->unsaved_dbid == 0); if (chan->peer->dbid == 0) wallet_peer_save(w, chan->peer); /* Insert a stub, that we update, unifies INSERT and UPDATE paths */ stmt = db_prepare_v2( w->db, SQL("INSERT INTO channels (" " peer_id" ", first_blocknum" ", id" ", revocation_basepoint_local" ", payment_basepoint_local" ", htlc_basepoint_local" ", delayed_payment_basepoint_local" ", funding_pubkey_local" ") VALUES (?, ?, ?, ?, ?, ?, ?, ?);")); db_bind_u64(stmt, 0, chan->peer->dbid); db_bind_int(stmt, 1, chan->first_blocknum); db_bind_int(stmt, 2, chan->dbid); db_bind_pubkey(stmt, 3, &chan->local_basepoints.revocation); db_bind_pubkey(stmt, 4, &chan->local_basepoints.payment); db_bind_pubkey(stmt, 5, &chan->local_basepoints.htlc); db_bind_pubkey(stmt, 6, &chan->local_basepoints.delayed_payment); db_bind_pubkey(stmt, 7, &chan->local_funding_pubkey); db_exec_prepared_v2(take(stmt)); wallet_channel_config_insert(w, &chan->our_config); wallet_channel_config_insert(w, &chan->channel_info.their_config); wallet_shachain_init(w, &chan->their_shachain); /* Now save path as normal */ wallet_channel_save(w, chan); } void wallet_channel_close(struct wallet *w, u64 wallet_id) { /* We keep a couple of dependent tables around as well, such as the * channel_configs table, since that might help us debug some issues, * and it is rather limited in size. Tables that can grow quite * considerably and that are of limited use after channel closure will * be pruned as well. */ struct db_stmt *stmt; /* Delete entries from `channel_htlcs` */ stmt = db_prepare_v2(w->db, SQL("DELETE FROM channel_htlcs " "WHERE channel_id=?")); db_bind_u64(stmt, 0, wallet_id); db_exec_prepared_v2(take(stmt)); /* Delete entries from `htlc_sigs` */ stmt = db_prepare_v2(w->db, SQL("DELETE FROM htlc_sigs " "WHERE channelid=?")); db_bind_u64(stmt, 0, wallet_id); db_exec_prepared_v2(take(stmt)); /* Delete entries from `htlc_sigs` */ stmt = db_prepare_v2(w->db, SQL("DELETE FROM channeltxs " "WHERE channel_id=?")); db_bind_u64(stmt, 0, wallet_id); db_exec_prepared_v2(take(stmt)); /* Delete any entries from 'inflights' */ stmt = db_prepare_v2(w->db, SQL("DELETE FROM channel_funding_inflights " " WHERE channel_id=?")); db_bind_u64(stmt, 0, wallet_id); db_exec_prepared_v2(take(stmt)); /* Delete shachains */ stmt = db_prepare_v2(w->db, SQL("DELETE FROM shachains " "WHERE id IN (" " SELECT shachain_remote_id " " FROM channels " " WHERE channels.id=?" ")")); db_bind_u64(stmt, 0, wallet_id); db_exec_prepared_v2(take(stmt)); /* Set the channel to closed and disassociate with peer */ stmt = db_prepare_v2(w->db, SQL("UPDATE channels " "SET state=?, peer_id=? " "WHERE channels.id=?")); db_bind_u64(stmt, 0, CLOSED); db_bind_null(stmt, 1); db_bind_u64(stmt, 2, wallet_id); db_exec_prepared_v2(take(stmt)); } void wallet_peer_delete(struct wallet *w, u64 peer_dbid) { struct db_stmt *stmt; /* Must not have any channels still using this peer */ stmt = db_prepare_v2(w->db, SQL("SELECT * FROM channels WHERE peer_id = ?;")); db_bind_u64(stmt, 0, peer_dbid); db_query_prepared(stmt); if (db_step(stmt)) fatal("We have channels using peer %"PRIu64, peer_dbid); tal_free(stmt); stmt = db_prepare_v2(w->db, SQL("DELETE FROM peers WHERE id=?")); db_bind_u64(stmt, 0, peer_dbid); db_exec_prepared_v2(take(stmt)); } void wallet_confirm_tx(struct wallet *w, const struct bitcoin_txid *txid, const u32 confirmation_height) { struct db_stmt *stmt; assert(confirmation_height > 0); stmt = db_prepare_v2(w->db, SQL("UPDATE outputs " "SET confirmation_height = ? " "WHERE prev_out_tx = ?")); db_bind_int(stmt, 0, confirmation_height); db_bind_sha256d(stmt, 1, &txid->shad); db_exec_prepared_v2(take(stmt)); } int wallet_extract_owned_outputs(struct wallet *w, const struct wally_tx *wtx, const u32 *blockheight, struct amount_sat *total) { int num_utxos = 0; *total = AMOUNT_SAT(0); for (size_t output = 0; output < wtx->num_outputs; output++) { struct utxo *utxo; u32 index; bool is_p2sh; const u8 *script; struct amount_asset asset = wally_tx_output_get_amount(&wtx->outputs[output]); struct chain_coin_mvt *mvt; if (!amount_asset_is_main(&asset)) continue; script = wally_tx_output_get_script(tmpctx, &wtx->outputs[output]); if (!script) continue; if (!wallet_can_spend(w, script, &index, &is_p2sh)) continue; utxo = tal(w, struct utxo); utxo->keyindex = index; utxo->is_p2sh = is_p2sh; utxo->amount = amount_asset_to_sat(&asset); utxo->status = OUTPUT_STATE_AVAILABLE; wally_txid(wtx, &utxo->outpoint.txid); utxo->outpoint.n = output; utxo->close_info = NULL; utxo->blockheight = blockheight ? blockheight : NULL; utxo->spendheight = NULL; utxo->scriptPubkey = tal_dup_talarr(utxo, u8, script); log_debug(w->log, "Owning output %zu %s (%s) txid %s%s", output, type_to_string(tmpctx, struct amount_sat, &utxo->amount), is_p2sh ? "P2SH" : "SEGWIT", type_to_string(tmpctx, struct bitcoin_txid, &utxo->outpoint.txid), blockheight ? " CONFIRMED" : ""); /* We only record final ledger movements */ if (blockheight) { mvt = new_coin_wallet_deposit(tmpctx, &utxo->outpoint, *blockheight, utxo->amount, DEPOSIT); notify_chain_mvt(w->ld, mvt); } if (!wallet_add_utxo(w, utxo, is_p2sh ? p2sh_wpkh : our_change)) { /* In case we already know the output, make * sure we actually track its * blockheight. This can happen when we grab * the output from a transaction we created * ourselves. */ if (blockheight) wallet_confirm_tx(w, &utxo->outpoint.txid, *blockheight); tal_free(utxo); continue; } /* This is an unconfirmed change output, we should track it */ if (!is_p2sh && !blockheight) txfilter_add_scriptpubkey(w->ld->owned_txfilter, script); outpointfilter_add(w->owned_outpoints, &utxo->outpoint); if (!amount_sat_add(total, *total, utxo->amount)) fatal("Cannot add utxo output %zu/%zu %s + %s", output, wtx->num_outputs, type_to_string(tmpctx, struct amount_sat, total), type_to_string(tmpctx, struct amount_sat, &utxo->amount)); wallet_annotate_txout(w, &utxo->outpoint, TX_WALLET_DEPOSIT, 0); tal_free(utxo); num_utxos++; } return num_utxos; } void wallet_htlc_save_in(struct wallet *wallet, const struct channel *chan, struct htlc_in *in) { struct db_stmt *stmt; stmt = db_prepare_v2(wallet->db, SQL("INSERT INTO channel_htlcs (" " channel_id," " channel_htlc_id, " " direction," " msatoshi," " cltv_expiry," " payment_hash, " " payment_key," " hstate," " shared_secret," " routing_onion," " received_time," " min_commit_num, " " fail_immediate) VALUES " "(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?);")); db_bind_u64(stmt, 0, chan->dbid); db_bind_u64(stmt, 1, in->key.id); db_bind_int(stmt, 2, DIRECTION_INCOMING); db_bind_amount_msat(stmt, 3, &in->msat); db_bind_int(stmt, 4, in->cltv_expiry); db_bind_sha256(stmt, 5, &in->payment_hash); if (in->preimage) db_bind_preimage(stmt, 6, in->preimage); else db_bind_null(stmt, 6); db_bind_int(stmt, 7, in->hstate); if (!in->shared_secret) db_bind_null(stmt, 8); else db_bind_secret(stmt, 8, in->shared_secret); db_bind_blob(stmt, 9, in->onion_routing_packet, sizeof(in->onion_routing_packet)); db_bind_timeabs(stmt, 10, in->received_time); db_bind_u64(stmt, 11, min_unsigned(chan->next_index[LOCAL]-1, chan->next_index[REMOTE]-1)); db_bind_int(stmt, 12, in->fail_immediate); db_exec_prepared_v2(stmt); in->dbid = db_last_insert_id_v2(take(stmt)); } void wallet_htlc_save_out(struct wallet *wallet, const struct channel *chan, struct htlc_out *out) { struct db_stmt *stmt; /* We absolutely need the incoming HTLC to be persisted before * we can persist it's dependent */ assert(out->in == NULL || out->in->dbid != 0); stmt = db_prepare_v2( wallet->db, SQL("INSERT INTO channel_htlcs (" " channel_id," " channel_htlc_id," " direction," " origin_htlc," " msatoshi," " cltv_expiry," " payment_hash," " payment_key," " hstate," " routing_onion," " malformed_onion," " partid," " groupid," " fees_msat," " min_commit_num" ") VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, 0, ?, ?, ?, ?);")); db_bind_u64(stmt, 0, chan->dbid); db_bind_u64(stmt, 1, out->key.id); db_bind_int(stmt, 2, DIRECTION_OUTGOING); if (out->in) db_bind_u64(stmt, 3, out->in->dbid); else db_bind_null(stmt, 3); db_bind_amount_msat(stmt, 4, &out->msat); db_bind_int(stmt, 5, out->cltv_expiry); db_bind_sha256(stmt, 6, &out->payment_hash); if (out->preimage) db_bind_preimage(stmt, 7, out->preimage); else db_bind_null(stmt, 7); db_bind_int(stmt, 8, out->hstate); db_bind_blob(stmt, 9, out->onion_routing_packet, sizeof(out->onion_routing_packet)); /* groupid and partid are only relevant when we are the origin */ if (!out->am_origin) { db_bind_null(stmt, 10); db_bind_null(stmt, 11); } else { db_bind_u64(stmt, 10, out->partid); db_bind_u64(stmt, 11, out->groupid); } db_bind_amount_msat(stmt, 12, &out->fees); db_bind_u64(stmt, 13, min_u64(chan->next_index[LOCAL]-1, chan->next_index[REMOTE]-1)); db_exec_prepared_v2(stmt); out->dbid = db_last_insert_id_v2(stmt); tal_free(stmt); } /* input htlcs use failcode & failonion & we_filled, output htlcs use failmsg & failonion */ void wallet_htlc_update(struct wallet *wallet, const u64 htlc_dbid, const enum htlc_state new_state, const struct preimage *payment_key, u64 max_commit_num, enum onion_wire badonion, const struct onionreply *failonion, const u8 *failmsg, bool *we_filled) { struct db_stmt *stmt; bool terminal = (new_state == RCVD_REMOVE_ACK_REVOCATION || new_state == SENT_REMOVE_ACK_REVOCATION); /* We should only use this for badonion codes */ assert(!badonion || (badonion & BADONION)); /* The database ID must be set by a previous call to * `wallet_htlc_save_*` */ assert(htlc_dbid); stmt = db_prepare_v2( wallet->db, SQL("UPDATE channel_htlcs SET hstate=?, payment_key=?, " "malformed_onion=?, failuremsg=?, localfailmsg=?, " "we_filled=?, max_commit_num=?" " WHERE id=?")); db_bind_int(stmt, 0, htlc_state_in_db(new_state)); db_bind_u64(stmt, 7, htlc_dbid); if (payment_key) db_bind_preimage(stmt, 1, payment_key); else db_bind_null(stmt, 1); db_bind_int(stmt, 2, badonion); if (failonion) db_bind_onionreply(stmt, 3, failonion); else db_bind_null(stmt, 3); db_bind_talarr(stmt, 4, failmsg); if (we_filled) db_bind_int(stmt, 5, *we_filled); else db_bind_null(stmt, 5); /* Set max_commit_num iff we're in final state. */ if (terminal) db_bind_u64(stmt, 6, max_commit_num); else db_bind_null(stmt, 6); db_exec_prepared_v2(take(stmt)); if (terminal) { /* If it's terminal, remove the data we needed for re-xmission. */ stmt = db_prepare_v2( wallet->db, SQL("UPDATE channel_htlcs SET payment_key=NULL, routing_onion=NULL, failuremsg=NULL, shared_secret=NULL, localfailmsg=NULL " " WHERE id=?")); db_bind_u64(stmt, 0, htlc_dbid); db_exec_prepared_v2(take(stmt)); } } static bool wallet_stmt2htlc_in(struct channel *channel, struct db_stmt *stmt, struct htlc_in *in) { bool ok = true; in->dbid = db_col_u64(stmt, "id"); in->key.id = db_col_u64(stmt, "channel_htlc_id"); in->key.channel = channel; db_col_amount_msat(stmt, "msatoshi", &in->msat); in->cltv_expiry = db_col_int(stmt, "cltv_expiry"); in->hstate = db_col_int(stmt, "hstate"); in->status = NULL; /* FIXME: save blinding in db !*/ in->blinding = NULL; db_col_sha256(stmt, "payment_hash", &in->payment_hash); if (!db_col_is_null(stmt, "payment_key")) { in->preimage = tal(in, struct preimage); db_col_preimage(stmt, "payment_key", in->preimage); } else { in->preimage = NULL; } assert(db_col_bytes(stmt, "routing_onion") == sizeof(in->onion_routing_packet)); memcpy(&in->onion_routing_packet, db_col_blob(stmt, "routing_onion"), sizeof(in->onion_routing_packet)); if (db_col_is_null(stmt, "failuremsg")) in->failonion = NULL; else in->failonion = db_col_onionreply(in, stmt, "failuremsg"); in->badonion = db_col_int(stmt, "malformed_onion"); if (db_col_is_null(stmt, "shared_secret")) { in->shared_secret = NULL; } else { assert(db_col_bytes(stmt, "shared_secret") == sizeof(struct secret)); in->shared_secret = tal(in, struct secret); memcpy(in->shared_secret, db_col_blob(stmt, "shared_secret"), sizeof(struct secret)); #ifdef COMPAT_V062 if (memeqzero(in->shared_secret, sizeof(*in->shared_secret))) in->shared_secret = tal_free(in->shared_secret); #endif } #ifdef COMPAT_V072 if (db_col_is_null(stmt, "received_time")) { in->received_time.ts.tv_sec = 0; in->received_time.ts.tv_nsec = 0; } else #endif /* COMPAT_V072 */ in->received_time = db_col_timeabs(stmt, "received_time"); #ifdef COMPAT_V080 /* This field is now reserved for badonion codes: the rest should * use the failonion field. */ if (in->badonion && !(in->badonion & BADONION)) { log_broken(channel->log, "Replacing incoming HTLC %"PRIu64" error " "%s with WIRE_TEMPORARY_NODE_FAILURE", in->key.id, onion_wire_name(in->badonion)); in->badonion = 0; in->failonion = create_onionreply(in, in->shared_secret, towire_temporary_node_failure(tmpctx)); } #endif if (!db_col_is_null(stmt, "we_filled")) { in->we_filled = tal(in, bool); *in->we_filled = db_col_int(stmt, "we_filled"); } else in->we_filled = NULL; in->fail_immediate = db_col_int(stmt, "fail_immediate"); return ok; } /* Removes matching htlc from unconnected_htlcs_in */ static bool wallet_stmt2htlc_out(struct wallet *wallet, struct channel *channel, struct db_stmt *stmt, struct htlc_out *out, struct htlc_in_map *unconnected_htlcs_in) { bool ok = true; out->dbid = db_col_u64(stmt, "id"); out->key.id = db_col_u64(stmt, "channel_htlc_id"); out->key.channel = channel; db_col_amount_msat(stmt, "msatoshi", &out->msat); out->cltv_expiry = db_col_int(stmt, "cltv_expiry"); out->hstate = db_col_int(stmt, "hstate"); db_col_sha256(stmt, "payment_hash", &out->payment_hash); /* FIXME: save blinding in db !*/ out->blinding = NULL; if (!db_col_is_null(stmt, "payment_key")) { out->preimage = tal(out, struct preimage); db_col_preimage(stmt, "payment_key", out->preimage); } else { out->preimage = NULL; } assert(db_col_bytes(stmt, "routing_onion") == sizeof(out->onion_routing_packet)); memcpy(&out->onion_routing_packet, db_col_blob(stmt, "routing_onion"), sizeof(out->onion_routing_packet)); if (db_col_is_null(stmt, "failuremsg")) out->failonion = NULL; else out->failonion = db_col_onionreply(out, stmt, "failuremsg"); if (db_col_is_null(stmt, "localfailmsg")) out->failmsg = NULL; else out->failmsg = db_col_arr(out, stmt, "localfailmsg", u8); out->in = NULL; db_col_amount_msat(stmt, "fees_msat", &out->fees); if (!db_col_is_null(stmt, "origin_htlc")) { u64 in_id = db_col_u64(stmt, "origin_htlc"); struct htlc_in *hin; hin = remove_htlc_in_by_dbid(unconnected_htlcs_in, in_id); if (hin) htlc_out_connect_htlc_in(out, hin); out->am_origin = false; if (!out->in && !out->preimage) { #ifdef COMPAT_V061 log_broken(wallet->log, "Missing preimage for orphaned HTLC; replacing with zeros"); out->preimage = talz(out, struct preimage); #else fatal("Unable to find corresponding htlc_in %"PRIu64 " for unfulfilled htlc_out %"PRIu64, in_id, out->dbid); #endif } db_col_ignore(stmt, "partid"); db_col_ignore(stmt, "groupid"); } else { out->partid = db_col_u64(stmt, "partid"); out->groupid = db_col_u64(stmt, "groupid"); out->am_origin = true; } return ok; } static void fixup_hin(struct wallet *wallet, struct htlc_in *hin) { /* We didn't used to save failcore, failonion... */ #ifdef COMPAT_V061 /* We care about HTLCs being removed only, not those being added. */ if (hin->hstate < SENT_REMOVE_HTLC) return; /* Successful ones are fine. */ if (hin->preimage) return; /* Failed ones (only happens after db fixed!) OK. */ if (hin->badonion || hin->failonion) return; hin->failonion = create_onionreply(hin, hin->shared_secret, towire_temporary_node_failure(tmpctx)); log_broken(wallet->log, "HTLC #%"PRIu64" (%s) " " for amount %s" " from %s" " is missing a resolution:" " subsituting temporary node failure", hin->key.id, htlc_state_name(hin->hstate), type_to_string(tmpctx, struct amount_msat, &hin->msat), type_to_string(tmpctx, struct node_id, &hin->key.channel->peer->id)); #endif } bool wallet_htlcs_load_in_for_channel(struct wallet *wallet, struct channel *chan, struct htlc_in_map *htlcs_in) { struct db_stmt *stmt; bool ok = true; int incount = 0; log_debug(wallet->log, "Loading in HTLCs for channel %"PRIu64, chan->dbid); stmt = db_prepare_v2(wallet->db, SQL("SELECT" " id" ", channel_htlc_id" ", msatoshi" ", cltv_expiry" ", hstate" ", payment_hash" ", payment_key" ", routing_onion" ", failuremsg" ", malformed_onion" ", shared_secret" ", received_time" ", we_filled" ", fail_immediate" " FROM channel_htlcs" " WHERE direction= ?" " AND channel_id= ?" " AND hstate NOT IN (?, ?)")); db_bind_int(stmt, 0, DIRECTION_INCOMING); db_bind_u64(stmt, 1, chan->dbid); /* We need to generate `hstate NOT IN (9, 19)` in order to match * the `WHERE` clause of the database index; incoming HTLCs will * never actually get the state `RCVD_REMOVE_ACK_REVOCATION`. * See https://sqlite.org/partialindex.html#queries_using_partial_indexes */ db_bind_int(stmt, 2, RCVD_REMOVE_ACK_REVOCATION); /* Not gonna happen. */ db_bind_int(stmt, 3, SENT_REMOVE_ACK_REVOCATION); db_query_prepared(stmt); while (db_step(stmt)) { struct htlc_in *in = tal(chan, struct htlc_in); ok &= wallet_stmt2htlc_in(chan, stmt, in); connect_htlc_in(htlcs_in, in); fixup_hin(wallet, in); ok &= htlc_in_check(in, NULL) != NULL; incount++; } tal_free(stmt); log_debug(wallet->log, "Restored %d incoming HTLCS", incount); return ok; } bool wallet_htlcs_load_out_for_channel(struct wallet *wallet, struct channel *chan, struct htlc_out_map *htlcs_out, struct htlc_in_map *unconnected_htlcs_in) { struct db_stmt *stmt; bool ok = true; int outcount = 0; stmt = db_prepare_v2(wallet->db, SQL("SELECT" " id" ", channel_htlc_id" ", msatoshi" ", cltv_expiry" ", hstate" ", payment_hash" ", payment_key" ", routing_onion" ", failuremsg" ", origin_htlc" ", partid" ", localfailmsg" ", groupid" ", fees_msat" " FROM channel_htlcs" " WHERE direction = ?" " AND channel_id = ?" " AND hstate NOT IN (?, ?)")); db_bind_int(stmt, 0, DIRECTION_OUTGOING); db_bind_u64(stmt, 1, chan->dbid); /* We need to generate `hstate NOT IN (9, 19)` in order to match * the `WHERE` clause of the database index; outgoing HTLCs will * never actually get the state `SENT_REMOVE_ACK_REVOCATION`. * See https://sqlite.org/partialindex.html#queries_using_partial_indexes */ db_bind_int(stmt, 2, RCVD_REMOVE_ACK_REVOCATION); db_bind_int(stmt, 3, SENT_REMOVE_ACK_REVOCATION); /* Not gonna happen. */ db_query_prepared(stmt); while (db_step(stmt)) { struct htlc_out *out = tal(chan, struct htlc_out); ok &= wallet_stmt2htlc_out(wallet, chan, stmt, out, unconnected_htlcs_in); connect_htlc_out(htlcs_out, out); /* Cannot htlc_out_check because we haven't wired the * dependencies in yet */ outcount++; } tal_free(stmt); log_debug(wallet->log, "Restored %d outgoing HTLCS", outcount); return ok; } bool wallet_invoice_create(struct wallet *wallet, struct invoice *pinvoice, const struct amount_msat *msat TAKES, const struct json_escape *label TAKES, u64 expiry, const char *b11enc, const char *description, const u8 *features, const struct preimage *r, const struct sha256 *rhash, const struct sha256 *local_offer_id) { return invoices_create(wallet->invoices, pinvoice, msat, label, expiry, b11enc, description, features, r, rhash, local_offer_id); } bool wallet_invoice_find_by_label(struct wallet *wallet, struct invoice *pinvoice, const struct json_escape *label) { return invoices_find_by_label(wallet->invoices, pinvoice, label); } bool wallet_invoice_find_by_rhash(struct wallet *wallet, struct invoice *pinvoice, const struct sha256 *rhash) { return invoices_find_by_rhash(wallet->invoices, pinvoice, rhash); } bool wallet_invoice_find_unpaid(struct wallet *wallet, struct invoice *pinvoice, const struct sha256 *rhash) { return invoices_find_unpaid(wallet->invoices, pinvoice, rhash); } bool wallet_invoice_delete(struct wallet *wallet, struct invoice invoice) { return invoices_delete(wallet->invoices, invoice); } void wallet_invoice_delete_expired(struct wallet *wallet, u64 e) { invoices_delete_expired(wallet->invoices, e); } bool wallet_invoice_iterate(struct wallet *wallet, struct invoice_iterator *it) { return invoices_iterate(wallet->invoices, it); } const struct invoice_details * wallet_invoice_iterator_deref(const tal_t *ctx, struct wallet *wallet, const struct invoice_iterator *it) { return invoices_iterator_deref(ctx, wallet->invoices, it); } bool wallet_invoice_resolve(struct wallet *wallet, struct invoice invoice, struct amount_msat msatoshi_received) { return invoices_resolve(wallet->invoices, invoice, msatoshi_received); } void wallet_invoice_waitany(const tal_t *ctx, struct wallet *wallet, u64 lastpay_index, void (*cb)(const struct invoice *, void*), void *cbarg) { invoices_waitany(ctx, wallet->invoices, lastpay_index, cb, cbarg); } void wallet_invoice_waitone(const tal_t *ctx, struct wallet *wallet, struct invoice invoice, void (*cb)(const struct invoice *, void*), void *cbarg) { invoices_waitone(ctx, wallet->invoices, invoice, cb, cbarg); } const struct invoice_details *wallet_invoice_details(const tal_t *ctx, struct wallet *wallet, struct invoice invoice) { return invoices_get_details(ctx, wallet->invoices, invoice); } struct htlc_stub *wallet_htlc_stubs(const tal_t *ctx, struct wallet *wallet, struct channel *chan, u64 commit_num) { struct htlc_stub *stubs; struct sha256 payment_hash; struct db_stmt *stmt; stmt = db_prepare_v2(wallet->db, SQL("SELECT channel_id, direction, cltv_expiry, " "channel_htlc_id, payment_hash " "FROM channel_htlcs WHERE channel_id = ? AND min_commit_num <= ? AND ((max_commit_num IS NULL) OR max_commit_num >= ?);")); db_bind_u64(stmt, 0, chan->dbid); db_bind_u64(stmt, 1, commit_num); db_bind_u64(stmt, 2, commit_num); db_query_prepared(stmt); stubs = tal_arr(ctx, struct htlc_stub, 0); while (db_step(stmt)) { struct htlc_stub stub; assert(db_col_u64(stmt, "channel_id") == chan->dbid); /* FIXME: merge these two enums */ stub.owner = db_col_int(stmt, "direction")==DIRECTION_INCOMING?REMOTE:LOCAL; stub.cltv_expiry = db_col_int(stmt, "cltv_expiry"); stub.id = db_col_u64(stmt, "channel_htlc_id"); db_col_sha256(stmt, "payment_hash", &payment_hash); ripemd160(&stub.ripemd, payment_hash.u.u8, sizeof(payment_hash.u)); tal_arr_expand(&stubs, stub); } tal_free(stmt); return stubs; } void wallet_local_htlc_out_delete(struct wallet *wallet, struct channel *chan, const struct sha256 *payment_hash, u64 partid) { struct db_stmt *stmt; stmt = db_prepare_v2(wallet->db, SQL("DELETE FROM channel_htlcs" " WHERE direction = ?" " AND origin_htlc = ?" " AND payment_hash = ?" " AND partid = ?;")); db_bind_int(stmt, 0, DIRECTION_OUTGOING); db_bind_int(stmt, 1, 0); db_bind_sha256(stmt, 2, payment_hash); db_bind_u64(stmt, 3, partid); db_exec_prepared_v2(take(stmt)); } static struct wallet_payment * find_unstored_payment(struct wallet *wallet, const struct sha256 *payment_hash, u64 partid) { struct wallet_payment *i; list_for_each(&wallet->unstored_payments, i, list) { if (sha256_eq(payment_hash, &i->payment_hash) && i->partid == partid) return i; } return NULL; } static void destroy_unstored_payment(struct wallet_payment *payment) { list_del(&payment->list); } void wallet_payment_setup(struct wallet *wallet, struct wallet_payment *payment) { assert(!find_unstored_payment(wallet, &payment->payment_hash, payment->partid)); list_add_tail(&wallet->unstored_payments, &payment->list); tal_add_destructor(payment, destroy_unstored_payment); } void wallet_payment_store(struct wallet *wallet, struct wallet_payment *payment TAKES) { struct db_stmt *stmt; if (!find_unstored_payment(wallet, &payment->payment_hash, payment->partid)) { /* Already stored on-disk */ #if DEVELOPER /* Double-check that it is indeed stored to disk * (catch bug, where we call this on a payment_hash * we never paid to) */ bool res; stmt = db_prepare_v2(wallet->db, SQL("SELECT status FROM payments" " WHERE payment_hash=?" " AND partid = ? AND groupid = ?;")); db_bind_sha256(stmt, 0, &payment->payment_hash); db_bind_u64(stmt, 1, payment->partid); db_bind_u64(stmt, 2, payment->groupid); db_query_prepared(stmt); res = db_step(stmt); assert(res); db_col_ignore(stmt, "status"); tal_free(stmt); #endif return; } /* Don't attempt to add the same payment twice */ assert(!payment->id); stmt = db_prepare_v2( wallet->db, SQL("INSERT INTO payments (" " status," " payment_hash," " destination," " msatoshi," " timestamp," " path_secrets," " route_nodes," " route_channels," " msatoshi_sent," " description," " bolt11," " total_msat," " partid," " local_offer_id," " groupid" ") VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?);")); db_bind_int(stmt, 0, payment->status); db_bind_sha256(stmt, 1, &payment->payment_hash); if (payment->destination != NULL) db_bind_node_id(stmt, 2, payment->destination); else db_bind_null(stmt, 2); db_bind_amount_msat(stmt, 3, &payment->msatoshi); db_bind_int(stmt, 4, payment->timestamp); if (payment->path_secrets != NULL) db_bind_secret_arr(stmt, 5, payment->path_secrets); else db_bind_null(stmt, 5); assert((payment->route_channels == NULL) == (payment->route_nodes == NULL)); if (payment->route_nodes) { db_bind_node_id_arr(stmt, 6, payment->route_nodes); db_bind_short_channel_id_arr(stmt, 7, payment->route_channels); } else { db_bind_null(stmt, 6); db_bind_null(stmt, 7); } db_bind_amount_msat(stmt, 8, &payment->msatoshi_sent); if (payment->label != NULL) db_bind_text(stmt, 9, payment->label); else db_bind_null(stmt, 9); if (payment->invstring != NULL) db_bind_text(stmt, 10, payment->invstring); else db_bind_null(stmt, 10); db_bind_amount_msat(stmt, 11, &payment->total_msat); db_bind_u64(stmt, 12, payment->partid); if (payment->local_offer_id != NULL) db_bind_sha256(stmt, 13, payment->local_offer_id); else db_bind_null(stmt, 13); db_bind_u64(stmt, 14, payment->groupid); db_exec_prepared_v2(stmt); payment->id = db_last_insert_id_v2(stmt); assert(payment->id > 0); tal_free(stmt); if (taken(payment)) { tal_free(payment); } else { list_del(&payment->list); tal_del_destructor(payment, destroy_unstored_payment); } } u64 wallet_payment_get_groupid(struct wallet *wallet, const struct sha256 *payment_hash) { struct db_stmt *stmt; u64 groupid = 0; stmt = db_prepare_v2( wallet->db, SQL("SELECT MAX(groupid) FROM payments WHERE payment_hash = ?")); db_bind_sha256(stmt, 0, payment_hash); db_query_prepared(stmt); if (db_step(stmt) && !db_col_is_null(stmt, "MAX(groupid)")) { groupid = db_col_u64(stmt, "MAX(groupid)"); } tal_free(stmt); return groupid; } void wallet_payment_delete_by_hash(struct wallet *wallet, const struct sha256 *payment_hash) { struct db_stmt *stmt; stmt = db_prepare_v2( wallet->db, SQL("DELETE FROM payments WHERE payment_hash = ?")); db_bind_sha256(stmt, 0, payment_hash); db_exec_prepared_v2(take(stmt)); } static struct wallet_payment *wallet_stmt2payment(const tal_t *ctx, struct db_stmt *stmt) { struct wallet_payment *payment = tal(ctx, struct wallet_payment); payment->id = db_col_u64(stmt, "id"); payment->status = db_col_int(stmt, "status"); if (!db_col_is_null(stmt, "destination")) { payment->destination = tal(payment, struct node_id); db_col_node_id(stmt, "destination", payment->destination); } else { payment->destination = NULL; } db_col_amount_msat(stmt, "msatoshi", &payment->msatoshi); db_col_sha256(stmt, "payment_hash", &payment->payment_hash); payment->timestamp = db_col_int(stmt, "timestamp"); if (!db_col_is_null(stmt, "payment_preimage")) { payment->payment_preimage = tal(payment, struct preimage); db_col_preimage(stmt, "payment_preimage", payment->payment_preimage); } else payment->payment_preimage = NULL; /* We either used `sendpay` or `sendonion` with the `shared_secrets` * argument. */ if (!db_col_is_null(stmt, "path_secrets")) payment->path_secrets = db_col_secret_arr(payment, stmt, "path_secrets"); else payment->path_secrets = NULL; /* Either none, or both are set */ assert(db_col_is_null(stmt, "route_nodes") == db_col_is_null(stmt, "route_channels")); if (!db_col_is_null(stmt, "route_nodes")) { payment->route_nodes = db_col_node_id_arr(payment, stmt, "route_nodes"); payment->route_channels = db_col_short_channel_id_arr(payment, stmt, "route_channels"); } else { payment->route_nodes = NULL; payment->route_channels = NULL; } db_col_amount_msat(stmt, "msatoshi_sent", &payment->msatoshi_sent); if (!db_col_is_null(stmt, "description")) payment->label = db_col_strdup(payment, stmt, "description"); else payment->label = NULL; if (!db_col_is_null(stmt, "bolt11")) payment->invstring = db_col_strdup(payment, stmt, "bolt11"); else payment->invstring = NULL; if (!db_col_is_null(stmt, "failonionreply")) payment->failonion = db_col_arr(payment, stmt, "failonionreply", u8); else payment->failonion = NULL; if (!db_col_is_null(stmt, "total_msat")) db_col_amount_msat(stmt, "total_msat", &payment->total_msat); else payment->total_msat = AMOUNT_MSAT(0); if (!db_col_is_null(stmt, "partid")) payment->partid = db_col_u64(stmt, "partid"); else payment->partid = 0; if (!db_col_is_null(stmt, "local_offer_id")) { payment->local_offer_id = tal(payment, struct sha256); db_col_sha256(stmt, "local_offer_id", payment->local_offer_id); } else payment->local_offer_id = NULL; payment->groupid = db_col_u64(stmt, "groupid"); return payment; } struct wallet_payment * wallet_payment_by_hash(const tal_t *ctx, struct wallet *wallet, const struct sha256 *payment_hash, u64 partid, u64 groupid) { struct db_stmt *stmt; struct wallet_payment *payment; /* Present the illusion that it's in the db... */ payment = find_unstored_payment(wallet, payment_hash, partid); if (payment) return payment; stmt = db_prepare_v2(wallet->db, SQL("SELECT" " id" ", status" ", destination" ", msatoshi" ", payment_hash" ", timestamp" ", payment_preimage" ", path_secrets" ", route_nodes" ", route_channels" ", msatoshi_sent" ", description" ", bolt11" ", failonionreply" ", total_msat" ", partid" ", local_offer_id" ", groupid" " FROM payments" " WHERE payment_hash = ?" " AND partid = ? AND groupid=?")); db_bind_sha256(stmt, 0, payment_hash); db_bind_u64(stmt, 1, partid); db_bind_u64(stmt, 2, groupid); db_query_prepared(stmt); if (db_step(stmt)) { payment = wallet_stmt2payment(ctx, stmt); } tal_free(stmt); return payment; } void wallet_payment_set_status(struct wallet *wallet, const struct sha256 *payment_hash, u64 partid, u64 groupid, const enum wallet_payment_status newstatus, const struct preimage *preimage) { struct db_stmt *stmt; struct wallet_payment *payment; /* We can only fail an unstored payment! */ payment = find_unstored_payment(wallet, payment_hash, partid); if (payment) { assert(newstatus == PAYMENT_FAILED); tal_free(payment); return; } stmt = db_prepare_v2(wallet->db, SQL("UPDATE payments SET status=? " "WHERE payment_hash=? AND partid=? AND groupid=?")); db_bind_int(stmt, 0, wallet_payment_status_in_db(newstatus)); db_bind_sha256(stmt, 1, payment_hash); db_bind_u64(stmt, 2, partid); db_bind_u64(stmt, 3, groupid); db_exec_prepared_v2(take(stmt)); if (preimage) { stmt = db_prepare_v2(wallet->db, SQL("UPDATE payments SET payment_preimage=? " "WHERE payment_hash=? AND partid=? AND groupid=?")); db_bind_preimage(stmt, 0, preimage); db_bind_sha256(stmt, 1, payment_hash); db_bind_u64(stmt, 2, partid); db_bind_u64(stmt, 3, groupid); db_exec_prepared_v2(take(stmt)); } if (newstatus != PAYMENT_PENDING) { stmt = db_prepare_v2(wallet->db, SQL("UPDATE payments" " SET path_secrets = NULL" " , route_nodes = NULL" " , route_channels = NULL" " WHERE payment_hash = ?" " AND partid = ? AND groupid=?;")); db_bind_sha256(stmt, 0, payment_hash); db_bind_u64(stmt, 1, partid); db_bind_u64(stmt, 2, groupid); db_exec_prepared_v2(take(stmt)); } } void wallet_payment_get_failinfo(const tal_t *ctx, struct wallet *wallet, const struct sha256 *payment_hash, u64 partid, u64 groupid, /* outputs */ struct onionreply **failonionreply, bool *faildestperm, int *failindex, enum onion_wire *failcode, struct node_id **failnode, struct short_channel_id **failchannel, u8 **failupdate, char **faildetail, int *faildirection) { struct db_stmt *stmt; bool resb; stmt = db_prepare_v2(wallet->db, SQL("SELECT failonionreply, faildestperm" ", failindex, failcode" ", failnode, failchannel" ", failupdate, faildetail, faildirection" " FROM payments" " WHERE payment_hash=? AND partid=? AND groupid=?;")); db_bind_sha256(stmt, 0, payment_hash); db_bind_u64(stmt, 1, partid); db_bind_u64(stmt, 2, groupid); db_query_prepared(stmt); resb = db_step(stmt); assert(resb); if (db_col_is_null(stmt, "failonionreply")) *failonionreply = NULL; else { *failonionreply = db_col_onionreply(ctx, stmt, "failonionreply"); } *faildestperm = db_col_int(stmt, "faildestperm") != 0; *failindex = db_col_int(stmt, "failindex"); *failcode = (enum onion_wire) db_col_int(stmt, "failcode"); if (db_col_is_null(stmt, "failnode")) *failnode = NULL; else { *failnode = tal(ctx, struct node_id); db_col_node_id(stmt, "failnode", *failnode); } if (db_col_is_null(stmt, "failchannel")) { db_col_ignore(stmt, "faildirection"); *failchannel = NULL; } else { *failchannel = tal(ctx, struct short_channel_id); resb = db_col_short_channel_id_str(stmt, "failchannel", *failchannel); assert(resb); /* For pre-0.6.2 dbs, direction will be 0 */ *faildirection = db_col_int(stmt, "faildirection"); } if (db_col_is_null(stmt, "failupdate")) *failupdate = NULL; else { *failupdate = db_col_arr(ctx, stmt, "failupdate", u8); } if (!db_col_is_null(stmt, "faildetail")) *faildetail = db_col_strdup(ctx, stmt, "faildetail"); else *faildetail = NULL; tal_free(stmt); } void wallet_payment_set_failinfo(struct wallet *wallet, const struct sha256 *payment_hash, u64 partid, const struct onionreply *failonionreply, bool faildestperm, int failindex, enum onion_wire failcode, const struct node_id *failnode, const struct short_channel_id *failchannel, const u8 *failupdate /*tal_arr*/, const char *faildetail, int faildirection) { struct db_stmt *stmt; stmt = db_prepare_v2(wallet->db, SQL("UPDATE payments" " SET failonionreply=?" " , faildestperm=?" " , failindex=?" " , failcode=?" " , failnode=?" " , failchannel=?" " , failupdate=?" " , faildetail=?" " , faildirection=?" " WHERE payment_hash=?" " AND partid=?;")); if (failonionreply) db_bind_talarr(stmt, 0, failonionreply->contents); else db_bind_null(stmt, 0); db_bind_int(stmt, 1, faildestperm ? 1 : 0); db_bind_int(stmt, 2, failindex); db_bind_int(stmt, 3, (int) failcode); if (failnode) db_bind_node_id(stmt, 4, failnode); else db_bind_null(stmt, 4); if (failchannel) { db_bind_short_channel_id(stmt, 5, failchannel); db_bind_int(stmt, 8, faildirection); } else { db_bind_null(stmt, 5); db_bind_null(stmt, 8); } db_bind_talarr(stmt, 6, failupdate); if (faildetail != NULL) db_bind_text(stmt, 7, faildetail); else db_bind_null(stmt, 7); db_bind_sha256(stmt, 9, payment_hash); db_bind_u64(stmt, 10, partid); db_exec_prepared_v2(take(stmt)); } const struct wallet_payment ** wallet_payment_list(const tal_t *ctx, struct wallet *wallet, const struct sha256 *payment_hash, enum wallet_payment_status *status) { const struct wallet_payment **payments; struct db_stmt *stmt; struct wallet_payment *p; size_t i; payments = tal_arr(ctx, const struct wallet_payment *, 0); u8 enable_payment_hash = payment_hash != NULL ? 0 : 1; u8 enable_status = status != NULL ? 0 : 1; stmt = db_prepare_v2(wallet->db, SQL("SELECT" " id" ", status" ", destination" ", msatoshi" ", payment_hash" ", timestamp" ", payment_preimage" ", path_secrets" ", route_nodes" ", route_channels" ", msatoshi_sent" ", description" ", bolt11" ", failonionreply" ", total_msat" ", partid" ", local_offer_id" ", groupid" " FROM payments" " WHERE" " (payment_hash = ? OR 1=?) AND" " (status = ? OR 1=?)" " ORDER BY id;")); if (payment_hash) db_bind_sha256(stmt, 0, payment_hash); else db_bind_null(stmt, 0); db_bind_int(stmt, 1, enable_payment_hash); if (status) db_bind_int(stmt, 2, wallet_payment_status_in_db(*status)); else db_bind_null(stmt, 2); db_bind_int(stmt, 3, enable_status); db_query_prepared(stmt); for (i = 0; db_step(stmt); i++) { tal_resize(&payments, i+1); payments[i] = wallet_stmt2payment(payments, stmt); } tal_free(stmt); /* Now attach payments not yet in db. */ list_for_each(&wallet->unstored_payments, p, list) { if (payment_hash && !sha256_eq(&p->payment_hash, payment_hash)) continue; tal_resize(&payments, i+1); payments[i++] = p; } return payments; } const struct wallet_payment ** wallet_payments_by_offer(const tal_t *ctx, struct wallet *wallet, const struct sha256 *local_offer_id) { const struct wallet_payment **payments; struct db_stmt *stmt; struct wallet_payment *p; size_t i; payments = tal_arr(ctx, const struct wallet_payment *, 0); stmt = db_prepare_v2(wallet->db, SQL("SELECT" " id" ", status" ", destination" ", msatoshi" ", payment_hash" ", timestamp" ", payment_preimage" ", path_secrets" ", route_nodes" ", route_channels" ", msatoshi_sent" ", description" ", bolt11" ", failonionreply" ", total_msat" ", partid" ", local_offer_id" ", groupid" " FROM payments" " WHERE local_offer_id = ?;")); db_bind_sha256(stmt, 0, local_offer_id); db_query_prepared(stmt); for (i = 0; db_step(stmt); i++) { tal_resize(&payments, i+1); payments[i] = wallet_stmt2payment(payments, stmt); } tal_free(stmt); /* Now attach payments not yet in db. */ list_for_each(&wallet->unstored_payments, p, list) { if (!p->local_offer_id || !sha256_eq(p->local_offer_id, local_offer_id)) continue; tal_resize(&payments, i+1); payments[i++] = p; } return payments; } void wallet_htlc_sigs_save(struct wallet *w, u64 channel_id, const struct bitcoin_signature *htlc_sigs) { /* Clear any existing HTLC sigs for this channel */ struct db_stmt *stmt = db_prepare_v2( w->db, SQL("DELETE FROM htlc_sigs WHERE channelid = ?")); db_bind_u64(stmt, 0, channel_id); db_exec_prepared_v2(take(stmt)); /* Now insert the new ones */ for (size_t i=0; idb, SQL("INSERT INTO htlc_sigs (channelid, " "signature) VALUES (?, ?)")); db_bind_u64(stmt, 0, channel_id); db_bind_signature(stmt, 1, &htlc_sigs[i].s); db_exec_prepared_v2(take(stmt)); } } bool wallet_network_check(struct wallet *w) { struct bitcoin_blkid chainhash; struct db_stmt *stmt = db_prepare_v2( w->db, SQL("SELECT blobval FROM vars WHERE name='genesis_hash'")); db_query_prepared(stmt); if (db_step(stmt)) { db_col_sha256d(stmt, "blobval", &chainhash.shad); tal_free(stmt); if (!bitcoin_blkid_eq(&chainhash, &chainparams->genesis_blockhash)) { log_broken(w->log, "Wallet blockchain hash does not " "match network blockchain hash: %s " "!= %s. " "Are you on the right network? " "(--network={one of %s})", type_to_string(w, struct bitcoin_blkid, &chainhash), type_to_string(w, struct bitcoin_blkid, &chainparams->genesis_blockhash), chainparams_get_network_names(tmpctx)); return false; } } else { tal_free(stmt); /* Still a pristine wallet, claim it for the chain * that we are running */ stmt = db_prepare_v2(w->db, SQL("INSERT INTO vars (name, blobval) " "VALUES ('genesis_hash', ?);")); db_bind_sha256d(stmt, 0, &chainparams->genesis_blockhash.shad); db_exec_prepared_v2(take(stmt)); } return true; } /** * wallet_utxoset_prune -- Remove spent UTXO entries that are old */ static void wallet_utxoset_prune(struct wallet *w, const u32 blockheight) { struct db_stmt *stmt; stmt = db_prepare_v2( w->db, SQL("SELECT txid, outnum FROM utxoset WHERE spendheight < ?")); db_bind_int(stmt, 0, blockheight - UTXO_PRUNE_DEPTH); db_query_prepared(stmt); while (db_step(stmt)) { struct bitcoin_outpoint outpoint; db_col_txid(stmt, "txid", &outpoint.txid); outpoint.n = db_col_int(stmt, "outnum"); outpointfilter_remove(w->utxoset_outpoints, &outpoint); } tal_free(stmt); stmt = db_prepare_v2(w->db, SQL("DELETE FROM utxoset WHERE spendheight < ?")); db_bind_int(stmt, 0, blockheight - UTXO_PRUNE_DEPTH); db_exec_prepared_v2(take(stmt)); } void wallet_block_add(struct wallet *w, struct block *b) { struct db_stmt *stmt = db_prepare_v2(w->db, SQL("INSERT INTO blocks " "(height, hash, prev_hash) " "VALUES (?, ?, ?);")); db_bind_int(stmt, 0, b->height); db_bind_sha256d(stmt, 1, &b->blkid.shad); if (b->prev) { db_bind_sha256d(stmt, 2, &b->prev->blkid.shad); }else { db_bind_null(stmt, 2); } db_exec_prepared_v2(take(stmt)); /* Now cleanup UTXOs that we don't care about anymore */ wallet_utxoset_prune(w, b->height); } void wallet_block_remove(struct wallet *w, struct block *b) { struct db_stmt *stmt = db_prepare_v2(w->db, SQL("DELETE FROM blocks WHERE hash = ?")); db_bind_sha256d(stmt, 0, &b->blkid.shad); db_exec_prepared_v2(take(stmt)); /* Make sure that all descendants of the block are also deleted */ stmt = db_prepare_v2(w->db, SQL("SELECT * FROM blocks WHERE height >= ?;")); db_bind_int(stmt, 0, b->height); db_query_prepared(stmt); assert(!db_step(stmt)); tal_free(stmt); } void wallet_blocks_rollback(struct wallet *w, u32 height) { struct db_stmt *stmt = db_prepare_v2(w->db, SQL("DELETE FROM blocks " "WHERE height > ?")); db_bind_int(stmt, 0, height); db_exec_prepared_v2(take(stmt)); } bool wallet_outpoint_spend(struct wallet *w, const tal_t *ctx, const u32 blockheight, const struct bitcoin_outpoint *outpoint) { struct db_stmt *stmt; bool our_spend; if (outpointfilter_matches(w->owned_outpoints, outpoint)) { stmt = db_prepare_v2(w->db, SQL("UPDATE outputs " "SET spend_height = ?, " " status = ? " "WHERE prev_out_tx = ?" " AND prev_out_index = ?")); db_bind_int(stmt, 0, blockheight); db_bind_int(stmt, 1, output_status_in_db(OUTPUT_STATE_SPENT)); db_bind_txid(stmt, 2, &outpoint->txid); db_bind_int(stmt, 3, outpoint->n); db_exec_prepared_v2(take(stmt)); our_spend = true; } else our_spend = false; if (outpointfilter_matches(w->utxoset_outpoints, outpoint)) { stmt = db_prepare_v2(w->db, SQL("UPDATE utxoset " "SET spendheight = ? " "WHERE txid = ?" " AND outnum = ?")); db_bind_int(stmt, 0, blockheight); db_bind_txid(stmt, 1, &outpoint->txid); db_bind_int(stmt, 2, outpoint->n); db_exec_prepared_v2(stmt); tal_free(stmt); } return our_spend; } void wallet_utxoset_add(struct wallet *w, const struct bitcoin_outpoint *outpoint, const u32 blockheight, const u32 txindex, const u8 *scriptpubkey, struct amount_sat sat) { struct db_stmt *stmt; stmt = db_prepare_v2(w->db, SQL("INSERT INTO utxoset (" " txid," " outnum," " blockheight," " spendheight," " txindex," " scriptpubkey," " satoshis" ") VALUES(?, ?, ?, ?, ?, ?, ?);")); db_bind_txid(stmt, 0, &outpoint->txid); db_bind_int(stmt, 1, outpoint->n); db_bind_int(stmt, 2, blockheight); db_bind_null(stmt, 3); db_bind_int(stmt, 4, txindex); db_bind_talarr(stmt, 5, scriptpubkey); db_bind_amount_sat(stmt, 6, &sat); db_exec_prepared_v2(take(stmt)); outpointfilter_add(w->utxoset_outpoints, outpoint); } void wallet_filteredblock_add(struct wallet *w, const struct filteredblock *fb) { struct db_stmt *stmt; if (wallet_have_block(w, fb->height)) return; stmt = db_prepare_v2(w->db, SQL("INSERT INTO blocks " "(height, hash, prev_hash) " "VALUES (?, ?, ?);")); db_bind_int(stmt, 0, fb->height); db_bind_sha256d(stmt, 1, &fb->id.shad); db_bind_sha256d(stmt, 2, &fb->prev_hash.shad); db_exec_prepared_v2(take(stmt)); for (size_t i = 0; i < tal_count(fb->outpoints); i++) { struct filteredblock_outpoint *o = fb->outpoints[i]; stmt = db_prepare_v2(w->db, SQL("INSERT INTO utxoset (" " txid," " outnum," " blockheight," " spendheight," " txindex," " scriptpubkey," " satoshis" ") VALUES(?, ?, ?, ?, ?, ?, ?);")); db_bind_txid(stmt, 0, &o->outpoint.txid); db_bind_int(stmt, 1, o->outpoint.n); db_bind_int(stmt, 2, fb->height); db_bind_null(stmt, 3); db_bind_int(stmt, 4, o->txindex); db_bind_talarr(stmt, 5, o->scriptPubKey); db_bind_amount_sat(stmt, 6, &o->amount); db_exec_prepared_v2(take(stmt)); outpointfilter_add(w->utxoset_outpoints, &o->outpoint); } } bool wallet_have_block(struct wallet *w, u32 blockheight) { bool result; struct db_stmt *stmt = db_prepare_v2( w->db, SQL("SELECT height FROM blocks WHERE height = ?")); db_bind_int(stmt, 0, blockheight); db_query_prepared(stmt); result = db_step(stmt); if (result) db_col_ignore(stmt, "height"); tal_free(stmt); return result; } struct outpoint *wallet_outpoint_for_scid(struct wallet *w, tal_t *ctx, const struct short_channel_id *scid) { struct db_stmt *stmt; struct outpoint *op; stmt = db_prepare_v2(w->db, SQL("SELECT" " txid," " spendheight," " scriptpubkey," " satoshis " "FROM utxoset " "WHERE blockheight = ?" " AND txindex = ?" " AND outnum = ?" " AND spendheight IS NULL")); db_bind_int(stmt, 0, short_channel_id_blocknum(scid)); db_bind_int(stmt, 1, short_channel_id_txnum(scid)); db_bind_int(stmt, 2, short_channel_id_outnum(scid)); db_query_prepared(stmt); if (!db_step(stmt)) { tal_free(stmt); return NULL; } op = tal(ctx, struct outpoint); op->blockheight = short_channel_id_blocknum(scid); op->txindex = short_channel_id_txnum(scid); op->outpoint.n = short_channel_id_outnum(scid); db_col_txid(stmt, "txid", &op->outpoint.txid); if (db_col_is_null(stmt, "spendheight")) op->spendheight = 0; else op->spendheight = db_col_int(stmt, "spendheight"); op->scriptpubkey = db_col_arr(op, stmt, "scriptpubkey", u8); db_col_amount_sat(stmt, "satoshis", &op->sat); tal_free(stmt); return op; } /* Turns "SELECT blockheight, txindex, outnum" into scids */ static const struct short_channel_id *db_scids(const tal_t *ctx, struct db_stmt *stmt STEALS) { struct short_channel_id *res = tal_arr(ctx, struct short_channel_id, 0); while (db_step(stmt)) { struct short_channel_id scid; u64 blocknum, txnum, outnum; bool ok; blocknum = db_col_int(stmt, "blockheight"); txnum = db_col_int(stmt, "txindex"); outnum = db_col_int(stmt, "outnum"); ok = mk_short_channel_id(&scid, blocknum, txnum, outnum); assert(ok); tal_arr_expand(&res, scid); } tal_free(stmt); return res; } const struct short_channel_id * wallet_utxoset_get_spent(const tal_t *ctx, struct wallet *w, u32 blockheight) { struct db_stmt *stmt; stmt = db_prepare_v2(w->db, SQL("SELECT" " blockheight," " txindex," " outnum " "FROM utxoset " "WHERE spendheight = ?")); db_bind_int(stmt, 0, blockheight); db_query_prepared(stmt); return db_scids(ctx, stmt); } const struct short_channel_id * wallet_utxoset_get_created(const tal_t *ctx, struct wallet *w, u32 blockheight) { struct db_stmt *stmt; stmt = db_prepare_v2(w->db, SQL("SELECT" " blockheight," " txindex," " outnum " "FROM utxoset " "WHERE blockheight = ?")); db_bind_int(stmt, 0, blockheight); db_query_prepared(stmt); return db_scids(ctx, stmt); } void wallet_transaction_add(struct wallet *w, const struct wally_tx *tx, const u32 blockheight, const u32 txindex) { struct bitcoin_txid txid; struct db_stmt *stmt = db_prepare_v2( w->db, SQL("SELECT blockheight FROM transactions WHERE id=?")); wally_txid(tx, &txid); db_bind_txid(stmt, 0, &txid); db_query_prepared(stmt); if (!db_step(stmt)) { tal_free(stmt); /* This transaction is still unknown, insert */ stmt = db_prepare_v2(w->db, SQL("INSERT INTO transactions (" " id" ", blockheight" ", txindex" ", rawtx) VALUES (?, ?, ?, ?);")); db_bind_txid(stmt, 0, &txid); if (blockheight) { db_bind_int(stmt, 1, blockheight); db_bind_int(stmt, 2, txindex); } else { db_bind_null(stmt, 1); db_bind_null(stmt, 2); } db_bind_tx(stmt, 3, tx); db_exec_prepared_v2(take(stmt)); } else { db_col_ignore(stmt, "blockheight"); tal_free(stmt); if (blockheight) { /* We know about the transaction, update */ stmt = db_prepare_v2(w->db, SQL("UPDATE transactions " "SET blockheight = ?, txindex = ? " "WHERE id = ?")); db_bind_int(stmt, 0, blockheight); db_bind_int(stmt, 1, txindex); db_bind_txid(stmt, 2, &txid); db_exec_prepared_v2(take(stmt)); } } } static void wallet_annotation_add(struct wallet *w, const struct bitcoin_txid *txid, int num, enum wallet_tx_annotation_type annotation_type, enum wallet_tx_type type, u64 channel) { struct db_stmt *stmt; stmt = db_prepare_v2( w->db,SQL("INSERT INTO transaction_annotations " "(txid, idx, location, type, channel) " "VALUES (?, ?, ?, ?, ?) ON CONFLICT(txid,idx) DO NOTHING;")); db_bind_txid(stmt, 0, txid); db_bind_int(stmt, 1, num); db_bind_int(stmt, 2, annotation_type); db_bind_int(stmt, 3, type); if (channel != 0) db_bind_u64(stmt, 4, channel); else db_bind_null(stmt, 4); db_exec_prepared_v2(take(stmt)); } void wallet_annotate_txout(struct wallet *w, const struct bitcoin_outpoint *outpoint, enum wallet_tx_type type, u64 channel) { wallet_annotation_add(w, &outpoint->txid, outpoint->n, OUTPUT_ANNOTATION, type, channel); } void wallet_annotate_txin(struct wallet *w, const struct bitcoin_txid *txid, int innum, enum wallet_tx_type type, u64 channel) { wallet_annotation_add(w, txid, innum, INPUT_ANNOTATION, type, channel); } void wallet_transaction_annotate(struct wallet *w, const struct bitcoin_txid *txid, enum wallet_tx_type type, u64 channel_id) { struct db_stmt *stmt = db_prepare_v2( w->db, SQL("SELECT type, channel_id FROM transactions WHERE id=?")); db_bind_txid(stmt, 0, txid); db_query_prepared(stmt); if (!db_step(stmt)) fatal("Attempting to annotate a transaction we don't have: %s", type_to_string(tmpctx, struct bitcoin_txid, txid)); if (!db_col_is_null(stmt, "type")) type |= db_col_u64(stmt, "type"); if (channel_id == 0 && !db_col_is_null(stmt, "channel_id")) channel_id = db_col_u64(stmt, "channel_id"); else db_col_ignore(stmt, "channel_id"); tal_free(stmt); stmt = db_prepare_v2(w->db, SQL("UPDATE transactions " "SET type = ?" ", channel_id = ? " "WHERE id = ?")); db_bind_u64(stmt, 0, type); if (channel_id) db_bind_int(stmt, 1, channel_id); else db_bind_null(stmt, 1); db_bind_txid(stmt, 2, txid); db_exec_prepared_v2(take(stmt)); } bool wallet_transaction_type(struct wallet *w, const struct bitcoin_txid *txid, enum wallet_tx_type *type) { struct db_stmt *stmt = db_prepare_v2(w->db, SQL("SELECT type FROM transactions WHERE id=?")); db_bind_sha256(stmt, 0, &txid->shad.sha); db_query_prepared(stmt); if (!db_step(stmt)) { tal_free(stmt); return false; } if (!db_col_is_null(stmt, "type")) *type = db_col_u64(stmt, "type"); else *type = 0; tal_free(stmt); return true; } struct bitcoin_tx *wallet_transaction_get(const tal_t *ctx, struct wallet *w, const struct bitcoin_txid *txid) { struct bitcoin_tx *tx; struct db_stmt *stmt = db_prepare_v2( w->db, SQL("SELECT rawtx FROM transactions WHERE id=?")); db_bind_txid(stmt, 0, txid); db_query_prepared(stmt); if (!db_step(stmt)) { tal_free(stmt); return NULL; } if (!db_col_is_null(stmt, "rawtx")) tx = db_col_tx(ctx, stmt, "rawtx"); else tx = NULL; tal_free(stmt); return tx; } u32 wallet_transaction_height(struct wallet *w, const struct bitcoin_txid *txid) { u32 blockheight; struct db_stmt *stmt = db_prepare_v2( w->db, SQL("SELECT blockheight FROM transactions WHERE id=?")); db_bind_txid(stmt, 0, txid); db_query_prepared(stmt); if (!db_step(stmt)) { tal_free(stmt); return 0; } if (!db_col_is_null(stmt, "blockheight")) blockheight = db_col_int(stmt, "blockheight"); else blockheight = 0; tal_free(stmt); return blockheight; } struct txlocator *wallet_transaction_locate(const tal_t *ctx, struct wallet *w, const struct bitcoin_txid *txid) { struct txlocator *loc; struct db_stmt *stmt; stmt = db_prepare_v2( w->db, SQL("SELECT blockheight, txindex FROM transactions WHERE id=?")); db_bind_txid(stmt, 0, txid); db_query_prepared(stmt); if (!db_step(stmt)) { tal_free(stmt); return NULL; } if (db_col_is_null(stmt, "blockheight")) loc = NULL; else { loc = tal(ctx, struct txlocator); loc->blkheight = db_col_int(stmt, "blockheight"); loc->index = db_col_int(stmt, "txindex"); } tal_free(stmt); return loc; } struct bitcoin_txid *wallet_transactions_by_height(const tal_t *ctx, struct wallet *w, const u32 blockheight) { struct db_stmt *stmt; struct bitcoin_txid *txids = tal_arr(ctx, struct bitcoin_txid, 0); int count = 0; stmt = db_prepare_v2( w->db, SQL("SELECT id FROM transactions WHERE blockheight=?")); db_bind_int(stmt, 0, blockheight); db_query_prepared(stmt); while (db_step(stmt)) { count++; tal_resize(&txids, count); db_col_txid(stmt, "id", &txids[count-1]); } tal_free(stmt); return txids; } void wallet_channeltxs_add(struct wallet *w, struct channel *chan, const int type, const struct bitcoin_txid *txid, const u32 input_num, const u32 blockheight) { struct db_stmt *stmt; stmt = db_prepare_v2(w->db, SQL("INSERT INTO channeltxs (" " channel_id" ", type" ", transaction_id" ", input_num" ", blockheight" ") VALUES (?, ?, ?, ?, ?);")); db_bind_int(stmt, 0, chan->dbid); db_bind_int(stmt, 1, type); db_bind_sha256(stmt, 2, &txid->shad.sha); db_bind_int(stmt, 3, input_num); db_bind_int(stmt, 4, blockheight); db_exec_prepared_v2(take(stmt)); } u32 *wallet_onchaind_channels(struct wallet *w, const tal_t *ctx) { struct db_stmt *stmt; size_t count = 0; u32 *channel_ids = tal_arr(ctx, u32, 0); stmt = db_prepare_v2( w->db, SQL("SELECT DISTINCT(channel_id) FROM channeltxs WHERE type = ?;")); db_bind_int(stmt, 0, WIRE_ONCHAIND_INIT); db_query_prepared(stmt); while (db_step(stmt)) { count++; tal_resize(&channel_ids, count); channel_ids[count-1] = db_col_u64(stmt, "DISTINCT(channel_id)"); } tal_free(stmt); return channel_ids; } struct channeltx *wallet_channeltxs_get(struct wallet *w, const tal_t *ctx, u32 channel_id) { struct db_stmt *stmt; size_t count = 0; struct channeltx *res = tal_arr(ctx, struct channeltx, 0); stmt = db_prepare_v2( w->db, SQL("SELECT" " c.type" ", c.blockheight" ", t.rawtx" ", c.input_num" ", c.blockheight - t.blockheight + 1 AS depth" ", t.id as txid " "FROM channeltxs c " "JOIN transactions t ON t.id = c.transaction_id " "WHERE c.channel_id = ? " "ORDER BY c.id ASC;")); db_bind_int(stmt, 0, channel_id); db_query_prepared(stmt); while (db_step(stmt)) { count++; tal_resize(&res, count); res[count-1].channel_id = channel_id; res[count-1].type = db_col_int(stmt, "c.type"); res[count-1].blockheight = db_col_int(stmt, "c.blockheight"); res[count-1].tx = db_col_tx(ctx, stmt, "t.rawtx"); res[count-1].input_num = db_col_int(stmt, "c.input_num"); res[count-1].depth = db_col_int(stmt, "depth"); db_col_txid(stmt, "txid", &res[count-1].txid); } tal_free(stmt); return res; } static bool wallet_forwarded_payment_update(struct wallet *w, const struct htlc_in *in, const struct htlc_out *out, enum forward_status state, enum onion_wire failcode, struct timeabs *resolved_time) { struct db_stmt *stmt; bool changed; /* We update based solely on the htlc_in since an HTLC cannot be * associated with more than one forwarded payment. This saves us from * having to have two versions of the update statement (one with and * one without the htlc_out restriction).*/ stmt = db_prepare_v2(w->db, SQL("UPDATE forwarded_payments SET" " in_msatoshi=?" ", out_msatoshi=?" ", state=?" ", resolved_time=?" ", failcode=?" " WHERE in_htlc_id=?")); db_bind_amount_msat(stmt, 0, &in->msat); if (out) { db_bind_amount_msat(stmt, 1, &out->msat); } else { db_bind_null(stmt, 1); } db_bind_int(stmt, 2, wallet_forward_status_in_db(state)); if (resolved_time != NULL) { db_bind_timeabs(stmt, 3, *resolved_time); } else { db_bind_null(stmt, 3); } if (failcode != 0) { assert(state == FORWARD_FAILED || state == FORWARD_LOCAL_FAILED); db_bind_int(stmt, 4, (int)failcode); } else { db_bind_null(stmt, 4); } db_bind_u64(stmt, 5, in->dbid); db_exec_prepared_v2(stmt); changed = db_count_changes(stmt) != 0; tal_free(stmt); return changed; } void wallet_forwarded_payment_add(struct wallet *w, const struct htlc_in *in, const struct short_channel_id *scid_out, const struct htlc_out *out, enum forward_status state, enum onion_wire failcode) { struct db_stmt *stmt; struct timeabs *resolved_time; if (state == FORWARD_SETTLED || state == FORWARD_FAILED) { resolved_time = tal(tmpctx, struct timeabs); *resolved_time = time_now(); } else { resolved_time = NULL; } if (wallet_forwarded_payment_update(w, in, out, state, failcode, resolved_time)) goto notify; stmt = db_prepare_v2(w->db, SQL("INSERT INTO forwarded_payments (" " in_htlc_id" ", out_htlc_id" ", in_channel_scid" ", out_channel_scid" ", in_msatoshi" ", out_msatoshi" ", state" ", received_time" ", resolved_time" ", failcode" ") VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?);")); db_bind_u64(stmt, 0, in->dbid); if (out) { db_bind_u64(stmt, 1, out->dbid); db_bind_u64(stmt, 3, out->key.channel->scid->u64); db_bind_amount_msat(stmt, 5, &out->msat); } else { /* FORWARD_LOCAL_FAILED may occur before we get htlc_out */ assert(failcode != 0); assert(state == FORWARD_LOCAL_FAILED); db_bind_null(stmt, 1); db_bind_null(stmt, 3); db_bind_null(stmt, 5); } db_bind_u64(stmt, 2, in->key.channel->scid->u64); db_bind_amount_msat(stmt, 4, &in->msat); db_bind_int(stmt, 6, wallet_forward_status_in_db(state)); db_bind_timeabs(stmt, 7, in->received_time); if (resolved_time != NULL) db_bind_timeabs(stmt, 8, *resolved_time); else db_bind_null(stmt, 8); if (failcode != 0) { assert(state == FORWARD_FAILED || state == FORWARD_LOCAL_FAILED); db_bind_int(stmt, 9, (int)failcode); } else { db_bind_null(stmt, 9); } db_exec_prepared_v2(take(stmt)); notify: notify_forward_event(w->ld, in, scid_out, out ? &out->msat : NULL, state, failcode, resolved_time); } struct amount_msat wallet_total_forward_fees(struct wallet *w) { struct db_stmt *stmt; struct amount_msat total; bool res; stmt = db_prepare_v2(w->db, SQL("SELECT" " CAST(COALESCE(SUM(in_msatoshi - out_msatoshi), 0) AS BIGINT)" " FROM forwarded_payments " "WHERE state = ?;")); db_bind_int(stmt, 0, wallet_forward_status_in_db(FORWARD_SETTLED)); db_query_prepared(stmt); res = db_step(stmt); assert(res); db_col_amount_msat(stmt, "CAST(COALESCE(SUM(in_msatoshi - out_msatoshi), 0) AS BIGINT)", &total); tal_free(stmt); return total; } bool string_to_forward_status(const char *status_str, enum forward_status *status) { if (streq(status_str, "offered")) { *status = FORWARD_OFFERED; return true; } else if (streq(status_str, "settled")) { *status = FORWARD_SETTLED; return true; } else if (streq(status_str, "failed")) { *status = FORWARD_FAILED; return true; } else if (streq(status_str, "local_failed")) { *status = FORWARD_LOCAL_FAILED; return true; } return false; } const struct forwarding *wallet_forwarded_payments_get(struct wallet *w, const tal_t *ctx, enum forward_status status, const struct short_channel_id *chan_in, const struct short_channel_id *chan_out) { struct forwarding *results = tal_arr(ctx, struct forwarding, 0); size_t count = 0; struct db_stmt *stmt; // placeholder for any parameter, the value doesn't matter because it's discarded by sql const int any = -1; stmt = db_prepare_v2( w->db, SQL("SELECT" " f.state" ", in_msatoshi" ", out_msatoshi" ", hin.payment_hash as payment_hash" ", in_channel_scid" ", out_channel_scid" ", f.received_time" ", f.resolved_time" ", f.failcode " "FROM forwarded_payments f " "LEFT JOIN channel_htlcs hin ON (f.in_htlc_id = hin.id) " "WHERE (1 = ? OR f.state = ?) AND " "(1 = ? OR f.in_channel_scid = ?) AND " "(1 = ? OR f.out_channel_scid = ?)")); if (status == FORWARD_ANY) { // any status db_bind_int(stmt, 0, 1); db_bind_int(stmt, 1, any); } else { // specific forward status db_bind_int(stmt, 0, 0); db_bind_int(stmt, 1, status); } if (chan_in) { // specific in_channel db_bind_int(stmt, 2, 0); db_bind_u64(stmt, 3, chan_in->u64); } else { // any in_channel db_bind_int(stmt, 2, 1); db_bind_int(stmt, 3, any); } if (chan_out) { // specific out_channel db_bind_int(stmt, 4, 0); db_bind_u64(stmt, 5, chan_out->u64); } else { // any out_channel db_bind_int(stmt, 4, 1); db_bind_int(stmt, 5, any); } db_query_prepared(stmt); for (count=0; db_step(stmt); count++) { tal_resize(&results, count+1); struct forwarding *cur = &results[count]; cur->status = db_col_int(stmt, "f.state"); db_col_amount_msat(stmt, "in_msatoshi", &cur->msat_in); if (!db_col_is_null(stmt, "out_msatoshi")) { db_col_amount_msat(stmt, "out_msatoshi", &cur->msat_out); if (!amount_msat_sub(&cur->fee, cur->msat_in, cur->msat_out)) { log_broken(w->log, "Forwarded in %s less than out %s!", type_to_string(tmpctx, struct amount_msat, &cur->msat_in), type_to_string(tmpctx, struct amount_msat, &cur->msat_out)); cur->fee = AMOUNT_MSAT(0); } } else { assert(cur->status == FORWARD_LOCAL_FAILED); cur->msat_out = AMOUNT_MSAT(0); /* For this case, this forward_payment doesn't have out channel, * so the fee should be set as 0.*/ cur->fee = AMOUNT_MSAT(0); } if (!db_col_is_null(stmt, "payment_hash")) { cur->payment_hash = tal(ctx, struct sha256); db_col_sha256(stmt, "payment_hash", cur->payment_hash); } else { cur->payment_hash = NULL; } cur->channel_in.u64 = db_col_u64(stmt, "in_channel_scid"); if (!db_col_is_null(stmt, "out_channel_scid")) { cur->channel_out.u64 = db_col_u64(stmt, "out_channel_scid"); } else { assert(cur->status == FORWARD_LOCAL_FAILED); cur->channel_out.u64 = 0; } cur->received_time = db_col_timeabs(stmt, "f.received_time"); if (!db_col_is_null(stmt, "f.resolved_time")) { cur->resolved_time = tal(ctx, struct timeabs); *cur->resolved_time = db_col_timeabs(stmt, "f.resolved_time"); } else { cur->resolved_time = NULL; } if (!db_col_is_null(stmt, "f.failcode")) { assert(cur->status == FORWARD_FAILED || cur->status == FORWARD_LOCAL_FAILED); cur->failcode = db_col_int(stmt, "f.failcode"); } else { cur->failcode = 0; } } tal_free(stmt); return results; } struct wallet_transaction *wallet_transactions_get(struct wallet *w, const tal_t *ctx) { struct db_stmt *stmt; size_t count; struct wallet_transaction *cur = NULL, *txs = tal_arr(ctx, struct wallet_transaction, 0); struct bitcoin_txid last; /* Make sure we can check for changing txids */ memset(&last, 0, sizeof(last)); stmt = db_prepare_v2( w->db, SQL("SELECT" " t.id" ", t.rawtx" ", t.blockheight" ", t.txindex" ", t.type as txtype" ", c2.short_channel_id as txchan" ", a.location" ", a.idx as ann_idx" ", a.type as annotation_type" ", c.short_channel_id" " FROM" " transactions t LEFT JOIN" " transaction_annotations a ON (a.txid = t.id) LEFT JOIN" " channels c ON (a.channel = c.id) LEFT JOIN" " channels c2 ON (t.channel_id = c2.id) " "ORDER BY t.blockheight, t.txindex ASC")); db_query_prepared(stmt); for (count = 0; db_step(stmt); count++) { struct bitcoin_txid curtxid; db_col_txid(stmt, "t.id", &curtxid); /* If this is a new entry, allocate it in the array and set * the common fields (all fields from the transactions table. */ if (!bitcoin_txid_eq(&last, &curtxid)) { last = curtxid; tal_resize(&txs, tal_count(txs) + 1); cur = &txs[tal_count(txs) - 1]; db_col_txid(stmt, "t.id", &cur->id); cur->tx = db_col_tx(txs, stmt, "t.rawtx"); cur->rawtx = db_col_arr(txs, stmt, "t.rawtx", u8); /* TX may be unconfirmed. */ if (!db_col_is_null(stmt, "t.blockheight")) { cur->blockheight = db_col_int(stmt, "t.blockheight"); if (!db_col_is_null(stmt, "t.txindex")) { cur->txindex = db_col_int(stmt, "t.txindex"); } else { cur->txindex = 0; } } else { db_col_ignore(stmt, "t.txindex"); cur->blockheight = 0; cur->txindex = 0; } if (!db_col_is_null(stmt, "txtype")) cur->annotation.type = db_col_u64(stmt, "txtype"); else cur->annotation.type = 0; if (!db_col_is_null(stmt, "txchan")) db_col_short_channel_id_str(stmt, "txchan", &cur->annotation.channel); else cur->annotation.channel.u64 = 0; cur->output_annotations = tal_arrz(txs, struct tx_annotation, cur->tx->wtx->num_outputs); cur->input_annotations = tal_arrz(txs, struct tx_annotation, cur->tx->wtx->num_inputs); } /* This should always be set by the above if-statement, * otherwise we have a txid of all 0x00 bytes... */ assert(cur != NULL); /* Check if we have any annotations. If there are none the * fields are all set to null */ if (!db_col_is_null(stmt, "a.location")) { enum wallet_tx_annotation_type loc = db_col_int(stmt, "a.location"); int idx = db_col_int(stmt, "ann_idx"); struct tx_annotation *ann; /* Select annotation from array to fill in. */ if (loc == OUTPUT_ANNOTATION) ann = &cur->output_annotations[idx]; else if (loc == INPUT_ANNOTATION) ann = &cur->input_annotations[idx]; else fatal("Transaction annotations are only available for inputs and outputs. Value %d", loc); /* cppcheck-suppress uninitvar - false positive on fatal() above */ ann->type = db_col_int(stmt, "annotation_type"); if (!db_col_is_null(stmt, "c.short_channel_id")) db_col_short_channel_id_str(stmt, "c.short_channel_id", &ann->channel); else ann->channel.u64 = 0; } else { db_col_ignore(stmt, "ann_idx"); db_col_ignore(stmt, "annotation_type"); db_col_ignore(stmt, "c.short_channel_id"); } } tal_free(stmt); return txs; } void wallet_penalty_base_add(struct wallet *w, u64 chan_id, const struct penalty_base *pb) { struct db_stmt *stmt; stmt = db_prepare_v2(w->db, SQL("INSERT INTO penalty_bases (" " channel_id" ", commitnum" ", txid" ", outnum" ", amount" ") VALUES (?, ?, ?, ?, ?);")); db_bind_u64(stmt, 0, chan_id); db_bind_u64(stmt, 1, pb->commitment_num); db_bind_txid(stmt, 2, &pb->txid); db_bind_int(stmt, 3, pb->outnum); db_bind_amount_sat(stmt, 4, &pb->amount); db_exec_prepared_v2(take(stmt)); } struct penalty_base *wallet_penalty_base_load_for_channel(const tal_t *ctx, struct wallet *w, u64 chan_id) { struct db_stmt *stmt; struct penalty_base *res = tal_arr(ctx, struct penalty_base, 0); stmt = db_prepare_v2( w->db, SQL("SELECT commitnum, txid, outnum, amount " "FROM penalty_bases " "WHERE channel_id = ?")); db_bind_u64(stmt, 0, chan_id); db_query_prepared(stmt); while (db_step(stmt)) { struct penalty_base pb; pb.commitment_num = db_col_u64(stmt, "commitnum"); db_col_txid(stmt, "txid", &pb.txid); pb.outnum = db_col_int(stmt, "outnum"); db_col_amount_sat(stmt, "amount", &pb.amount); tal_arr_expand(&res, pb); } tal_free(stmt); return res; } void wallet_penalty_base_delete(struct wallet *w, u64 chan_id, u64 commitnum) { struct db_stmt *stmt; stmt = db_prepare_v2( w->db, SQL("DELETE FROM penalty_bases " "WHERE channel_id = ? AND commitnum = ?")); db_bind_u64(stmt, 0, chan_id); db_bind_u64(stmt, 1, commitnum); db_exec_prepared_v2(take(stmt)); } bool wallet_offer_create(struct wallet *w, const struct sha256 *offer_id, const char *bolt12, const struct json_escape *label, enum offer_status status) { struct db_stmt *stmt; assert(offer_status_active(status)); /* Test if already exists. */ stmt = db_prepare_v2(w->db, SQL("SELECT 1" " FROM offers" " WHERE offer_id = ?;")); db_bind_sha256(stmt, 0, offer_id); db_query_prepared(stmt); if (db_step(stmt)) { tal_free(stmt); return false; } tal_free(stmt); stmt = db_prepare_v2(w->db, SQL("INSERT INTO offers (" " offer_id" ", bolt12" ", label" ", status" ") VALUES (?, ?, ?, ?);")); db_bind_sha256(stmt, 0, offer_id); db_bind_text(stmt, 1, bolt12); if (label) db_bind_json_escape(stmt, 2, label); else db_bind_null(stmt, 2); db_bind_int(stmt, 3, offer_status_in_db(status)); db_exec_prepared_v2(take(stmt)); return true; } char *wallet_offer_find(const tal_t *ctx, struct wallet *w, const struct sha256 *offer_id, const struct json_escape **label, enum offer_status *status) { struct db_stmt *stmt; char *bolt12; stmt = db_prepare_v2(w->db, SQL("SELECT bolt12, label, status" " FROM offers" " WHERE offer_id = ?;")); db_bind_sha256(stmt, 0, offer_id); db_query_prepared(stmt); if (!db_step(stmt)) { tal_free(stmt); return NULL; } bolt12 = db_col_strdup(ctx, stmt, "bolt12"); if (label) { if (db_col_is_null(stmt, "label")) *label = NULL; else *label = db_col_json_escape(ctx, stmt, "label"); } else db_col_ignore(stmt, "label"); if (status) *status = offer_status_in_db(db_col_int(stmt, "status")); else db_col_ignore(stmt, "status"); tal_free(stmt); return bolt12; } struct db_stmt *wallet_offer_id_first(struct wallet *w, struct sha256 *offer_id) { struct db_stmt *stmt; stmt = db_prepare_v2(w->db, SQL("SELECT offer_id FROM offers;")); db_query_prepared(stmt); return wallet_offer_id_next(w, stmt, offer_id); } struct db_stmt *wallet_offer_id_next(struct wallet *w, struct db_stmt *stmt, struct sha256 *offer_id) { if (!db_step(stmt)) return tal_free(stmt); db_col_sha256(stmt, "offer_id", offer_id); return stmt; } /* If we make an offer inactive, this also expires all invoices * which we issued for it. */ static void offer_status_update(struct db *db, const struct sha256 *offer_id, enum offer_status oldstatus, enum offer_status newstatus) { struct db_stmt *stmt; stmt = db_prepare_v2(db, SQL("UPDATE offers" " SET status=?" " WHERE offer_id = ?;")); db_bind_int(stmt, 0, offer_status_in_db(newstatus)); db_bind_sha256(stmt, 1, offer_id); db_exec_prepared_v2(take(stmt)); if (!offer_status_active(oldstatus) || offer_status_active(newstatus)) return; stmt = db_prepare_v2(db, SQL("UPDATE invoices" " SET state=?" " WHERE state=? AND local_offer_id = ?;")); db_bind_int(stmt, 0, invoice_status_in_db(EXPIRED)); db_bind_int(stmt, 1, invoice_status_in_db(UNPAID)); db_bind_sha256(stmt, 2, offer_id); db_exec_prepared_v2(take(stmt)); } enum offer_status wallet_offer_disable(struct wallet *w, const struct sha256 *offer_id, enum offer_status s) { enum offer_status newstatus; assert(offer_status_active(s)); newstatus = offer_status_in_db(s & ~OFFER_STATUS_ACTIVE_F); offer_status_update(w->db, offer_id, s, newstatus); return newstatus; } void wallet_offer_mark_used(struct db *db, const struct sha256 *offer_id) { struct db_stmt *stmt; enum offer_status status; stmt = db_prepare_v2(db, SQL("SELECT status" " FROM offers" " WHERE offer_id = ?;")); db_bind_sha256(stmt, 0, offer_id); db_query_prepared(stmt); if (!db_step(stmt)) fatal("%s: unknown offer_id %s", __func__, type_to_string(tmpctx, struct sha256, offer_id)); status = offer_status_in_db(db_col_int(stmt, "status")); tal_free(stmt); if (!offer_status_active(status)) fatal("%s: offer_id %s not active: status %i", __func__, type_to_string(tmpctx, struct sha256, offer_id), status); if (!offer_status_used(status)) { enum offer_status newstatus; if (offer_status_single(status)) newstatus = OFFER_SINGLE_USE_USED; else newstatus = OFFER_MULTIPLE_USE_USED; offer_status_update(db, offer_id, status, newstatus); } } /* We join key parts with nuls for now. */ static void db_bind_datastore_key(struct db_stmt *stmt, int pos, const char **key) { u8 *joined; size_t len; if (tal_count(key) == 1) { db_bind_blob(stmt, pos, (u8 *)key[0], strlen(key[0])); return; } len = strlen(key[0]); joined = (u8 *)tal_strdup(tmpctx, key[0]); for (size_t i = 1; i < tal_count(key); i++) { tal_resize(&joined, len + 1 + strlen(key[i])); joined[len] = '\0'; memcpy(joined + len + 1, key[i], strlen(key[i])); len += 1 + strlen(key[i]); } db_bind_blob(stmt, pos, joined, len); } static const char **db_col_datastore_key(const tal_t *ctx, struct db_stmt *stmt, const char *colname) { char **key; const u8 *joined = db_col_blob(stmt, colname); size_t len = db_col_bytes(stmt, colname); key = tal_arr(ctx, char *, 0); do { size_t partlen; for (partlen = 0; partlen < len; partlen++) { if (joined[partlen] == '\0') { partlen++; break; } } tal_arr_expand(&key, tal_strndup(key, (char *)joined, partlen)); len -= partlen; joined += partlen; } while (len != 0); return cast_const2(const char **, key); } void wallet_datastore_update(struct wallet *w, const char **key, const u8 *data) { struct db_stmt *stmt; stmt = db_prepare_v2(w->db, SQL("UPDATE datastore SET data=?, generation=generation+1 WHERE key=?;")); db_bind_talarr(stmt, 0, data); db_bind_datastore_key(stmt, 1, key); db_exec_prepared_v2(take(stmt)); } void wallet_datastore_create(struct wallet *w, const char **key, const u8 *data) { struct db_stmt *stmt; stmt = db_prepare_v2(w->db, SQL("INSERT INTO datastore VALUES (?, ?, 0);")); db_bind_datastore_key(stmt, 0, key); db_bind_talarr(stmt, 1, data); db_exec_prepared_v2(take(stmt)); } void wallet_datastore_remove(struct wallet *w, const char **key) { struct db_stmt *stmt; stmt = db_prepare_v2(w->db, SQL("DELETE FROM datastore" " WHERE key = ?")); db_bind_datastore_key(stmt, 0, key); db_exec_prepared_v2(take(stmt)); } struct db_stmt *wallet_datastore_first(const tal_t *ctx, struct wallet *w, const char **startkey, const char ***key, const u8 **data, u64 *generation) { struct db_stmt *stmt; if (startkey) { stmt = db_prepare_v2(w->db, SQL("SELECT key, data, generation" " FROM datastore" " WHERE key >= ?" " ORDER BY key;")); db_bind_datastore_key(stmt, 0, startkey); } else { stmt = db_prepare_v2(w->db, SQL("SELECT key, data, generation" " FROM datastore" " ORDER BY key;")); } db_query_prepared(stmt); return wallet_datastore_next(ctx, w, stmt, key, data, generation); } struct db_stmt *wallet_datastore_next(const tal_t *ctx, struct wallet *w, struct db_stmt *stmt, const char ***key, const u8 **data, u64 *generation) { if (!db_step(stmt)) return tal_free(stmt); *key = db_col_datastore_key(ctx, stmt, "key"); if (data) *data = db_col_arr(ctx, stmt, "data", u8); else db_col_ignore(stmt, "data"); if (generation) *generation = db_col_u64(stmt, "generation"); else db_col_ignore(stmt, "generation"); return stmt; }