#include "invoices.h" #include "wallet.h" #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 static void outpointfilters_init(struct wallet *w) { struct db_stmt *stmt; struct utxo **utxos = wallet_get_utxos(NULL, w, output_state_any); struct bitcoin_txid txid; u32 outnum; w->owned_outpoints = outpointfilter_new(w); for (size_t i = 0; i < tal_count(utxos); i++) outpointfilter_add(w->owned_outpoints, &utxos[i]->txid, utxos[i]->outnum); 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_column_sha256d(stmt, 0, &txid.shad); outnum = db_column_int(stmt, 1); outpointfilter_add(w->utxoset_outpoints, &txid, outnum); } tal_free(stmt); } struct wallet *wallet_new(struct lightningd *ld, struct timers *timers) { struct wallet *wallet = tal(ld, struct wallet); wallet->ld = ld; wallet->db = db_setup(wallet, ld); wallet->log = new_log(wallet, ld->log_book, NULL, "wallet"); wallet->bip32_base = NULL; list_head_init(&wallet->unstored_payments); list_head_init(&wallet->unreleased_txs); db_begin_transaction(wallet->db); wallet->invoices = invoices_new(wallet, wallet->db, timers); outpointfilters_init(wallet); db_commit_transaction(wallet->db); return wallet; } /* This can fail if we've already seen UTXO. */ 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->txid); db_bind_int(stmt, 1, utxo->outnum); db_query_prepared(stmt); /* If we get a result, that means a clash. */ if (db_step(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" ", confirmation_height" ", spend_height" ", scriptpubkey" ") VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?);")); db_bind_txid(stmt, 0, &utxo->txid); db_bind_int(stmt, 1, utxo->outnum); 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); } else { db_bind_null(stmt, 6); db_bind_null(stmt, 7); db_bind_null(stmt, 8); } if (utxo->blockheight) { db_bind_int(stmt, 9, *utxo->blockheight); } else db_bind_null(stmt, 9); if (utxo->spendheight) db_bind_int(stmt, 10, *utxo->spendheight); else db_bind_null(stmt, 10); if (utxo->scriptPubkey) db_bind_blob(stmt, 11, utxo->scriptPubkey, tal_bytelen(utxo->scriptPubkey)); else db_bind_null(stmt, 11); 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_column_txid(stmt, 0, &utxo->txid); utxo->outnum = db_column_int(stmt, 1); db_column_amount_sat(stmt, 2, &utxo->amount); utxo->is_p2sh = db_column_int(stmt, 3) == p2sh_wpkh; utxo->status = db_column_int(stmt, 4); utxo->keyindex = db_column_int(stmt, 5); if (!db_column_is_null(stmt, 6)) { utxo->close_info = tal(utxo, struct unilateral_close_info); utxo->close_info->channel_id = db_column_u64(stmt, 6); db_column_node_id(stmt, 7, &utxo->close_info->peer_id); if (!db_column_is_null(stmt, 8)) { utxo->close_info->commitment_point = tal(utxo->close_info, struct pubkey); db_column_pubkey(stmt, 8, utxo->close_info->commitment_point); } else utxo->close_info->commitment_point = NULL; } else { utxo->close_info = NULL; } utxo->blockheight = NULL; utxo->spendheight = NULL; utxo->scriptPubkey = NULL; if (!db_column_is_null(stmt, 9)) { blockheight = tal(utxo, u32); *blockheight = db_column_int(stmt, 9); utxo->blockheight = blockheight; } if (!db_column_is_null(stmt, 10)) { spendheight = tal(utxo, u32); *spendheight = db_column_int(stmt, 10); utxo->spendheight = spendheight; } if (!db_column_is_null(stmt, 11)) { utxo->scriptPubkey = tal_dup_arr(utxo, u8, db_column_blob(stmt, 11), db_column_bytes(stmt, 11), 0); } return utxo; } bool wallet_update_output_status(struct wallet *w, const struct bitcoin_txid *txid, const u32 outnum, 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, txid); db_bind_int(stmt, 3, outnum); } 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, txid); db_bind_int(stmt, 2, outnum); } 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" ", confirmation_height" ", spend_height" ", scriptpubkey " "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" ", confirmation_height" ", spend_height" ", scriptpubkey " "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" ", confirmation_height" ", spend_height" ", scriptpubkey" " 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; } /** * unreserve_utxo - Mark a reserved UTXO as available again */ static void unreserve_utxo(struct wallet *w, const struct utxo *unres) { if (!wallet_update_output_status(w, &unres->txid, unres->outnum, output_state_reserved, output_state_available)) { fatal("Unable to unreserve output"); } } /** * destroy_utxos - Destructor for an array of pointers to utxo */ static void destroy_utxos(const struct utxo **utxos, struct wallet *w) { for (size_t i = 0; i < tal_count(utxos); i++) unreserve_utxo(w, utxos[i]); } void wallet_confirm_utxos(struct wallet *w, const struct utxo **utxos) { tal_del_destructor2(utxos, destroy_utxos, w); for (size_t i = 0; i < tal_count(utxos); i++) { if (!wallet_update_output_status( w, &utxos[i]->txid, utxos[i]->outnum, output_state_reserved, output_state_spent)) { fatal("Unable to mark output as spent"); } } } static const struct utxo **wallet_select(const tal_t *ctx, struct wallet *w, struct amount_sat sat, const u32 feerate_per_kw, size_t outscriptlen, bool may_have_change, u32 maxheight, struct amount_sat *satoshi_in, struct amount_sat *fee_estimate) { size_t i = 0; struct utxo **available; u64 weight; size_t num_outputs = may_have_change ? 2 : 1; const struct utxo **utxos = tal_arr(ctx, const struct utxo *, 0); tal_add_destructor2(utxos, destroy_utxos, w); /* version, input count, output count, locktime */ weight = (4 + 1 + 1 + 4) * 4; /* Add segwit fields: marker + flag */ weight += 1 + 1; /* The main output: amount, len, scriptpubkey */ weight += (8 + 1 + outscriptlen) * 4; /* Change output will be P2WPKH */ if (may_have_change) weight += (8 + 1 + BITCOIN_SCRIPTPUBKEY_P2WPKH_LEN) * 4; /* A couple of things need to change for elements: */ if (chainparams->is_elements) { /* Each transaction has surjection and rangeproof (both empty * for us as long as we use unblinded L-BTC transactions). */ weight += 2 * 4; /* Each output additionally has an asset_tag (1 + 32), value * is prefixed by a version (1 byte), an empty nonce (1 * byte), two empty proofs (2 bytes). */ weight += (32 + 1 + 1 + 1) * 4 * num_outputs; /* An elements transaction has 1 additional output for fees */ weight += (8 + 1) * 4; /* Bitcoin style output */ weight += (32 + 1 + 1 + 1) * 4; /* Elements added fields */ } *fee_estimate = AMOUNT_SAT(0); *satoshi_in = AMOUNT_SAT(0); available = wallet_get_utxos(ctx, w, output_state_available); for (i = 0; i < tal_count(available); i++) { size_t input_weight; struct amount_sat needed; struct utxo *u = tal_steal(utxos, available[i]); /* 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 && (!u->blockheight || *u->blockheight > maxheight)) continue; tal_arr_expand(&utxos, u); if (!wallet_update_output_status( w, &available[i]->txid, available[i]->outnum, output_state_available, output_state_reserved)) fatal("Unable to reserve output"); /* Input weight: txid + index + sequence */ input_weight = (32 + 4 + 4) * 4; /* We always encode the length of the script, even if empty */ input_weight += 1 * 4; /* P2SH variants include push of <0 <20-byte-key-hash>> */ if (u->is_p2sh) input_weight += 23 * 4; /* Account for witness (1 byte count + sig + key) */ input_weight += 1 + (1 + 73 + 1 + 33); /* Elements inputs have 6 bytes of blank proofs attached. */ if (chainparams->is_elements) input_weight += 6; weight += input_weight; if (!amount_sat_add(satoshi_in, *satoshi_in, u->amount)) fatal("Overflow in available satoshis %zu/%zu %s + %s", i, tal_count(available), type_to_string(tmpctx, struct amount_sat, satoshi_in), type_to_string(tmpctx, struct amount_sat, &u->amount)); *fee_estimate = amount_tx_fee(feerate_per_kw, weight); if (!amount_sat_add(&needed, sat, *fee_estimate)) fatal("Overflow in fee estimate %zu/%zu %s + %s", i, tal_count(available), type_to_string(tmpctx, struct amount_sat, &sat), type_to_string(tmpctx, struct amount_sat, fee_estimate)); if (amount_sat_greater_eq(*satoshi_in, needed)) break; } tal_free(available); return utxos; } const struct utxo **wallet_select_coins(const tal_t *ctx, struct wallet *w, bool with_change, struct amount_sat sat, const u32 feerate_per_kw, size_t outscriptlen, u32 maxheight, struct amount_sat *fee_estimate, struct amount_sat *change) { struct amount_sat satoshi_in; const struct utxo **utxo; utxo = wallet_select(ctx, w, sat, feerate_per_kw, outscriptlen, with_change, maxheight, &satoshi_in, fee_estimate); /* Couldn't afford it? */ if (!amount_sat_sub(change, satoshi_in, sat) || !amount_sat_sub(change, *change, *fee_estimate)) return tal_free(utxo); if (!with_change) *change = AMOUNT_SAT(0); return utxo; } const struct utxo **wallet_select_specific(const tal_t *ctx, struct wallet *w, struct bitcoin_txid **txids, u32 **outnums) { size_t i, j; struct utxo **available; const struct utxo **utxos = tal_arr(ctx, const struct utxo*, 0); tal_add_destructor2(utxos, destroy_utxos, w); available = wallet_get_utxos(ctx, w, output_state_available); for (i = 0; i < tal_count(txids); i++) { for (j = 0; j < tal_count(available); j++) { if (bitcoin_txid_eq(&available[j]->txid, txids[i]) && available[j]->outnum == *outnums[i]) { struct utxo *u = tal_steal(utxos, available[j]); tal_arr_expand(&utxos, u); if (!wallet_update_output_status( w, &available[j]->txid, available[j]->outnum, output_state_available, output_state_reserved)) fatal("Unable to reserve output"); } } } tal_free(available); return utxos; } const struct utxo **wallet_select_all(const tal_t *ctx, struct wallet *w, const u32 feerate_per_kw, size_t outscriptlen, u32 maxheight, struct amount_sat *value, struct amount_sat *fee_estimate) { struct amount_sat satoshi_in; const struct utxo **utxo; /* Huge value, but won't overflow on addition */ utxo = wallet_select(ctx, w, AMOUNT_SAT(1ULL << 56), feerate_per_kw, outscriptlen, false, maxheight, &satoshi_in, fee_estimate); /* Can't afford fees? */ if (!amount_sat_sub(value, satoshi_in, *fee_estimate)) return tal_free(utxo); return utxo; } 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; 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)) { 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; } 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_column_u64(stmt, 0); chain->chain.num_valid = db_column_u64(stmt, 1); 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_column_int(stmt, 2); chain->chain.known[pos].index = db_column_u64(stmt, 0); db_column_sha256(stmt, 1, &chain->chain.known[pos].hash); } tal_free(stmt); return true; } static struct peer *wallet_peer_load(struct wallet *w, const u64 dbid) { const unsigned 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_column_is_null(stmt, 1)) goto done; db_column_node_id(stmt, 1, &id); addrstr = db_column_text(stmt, 2); if (!parse_wireaddr_internal((const char*)addrstr, &addr, DEFAULT_PORT, false, false, true, NULL)) goto done; peer = new_peer(w->ld, db_column_u64(stmt, 0), &id, &addr); done: tal_free(stmt); return peer; } static secp256k1_ecdsa_signature * wallet_htlc_sigs_load(const tal_t *ctx, struct wallet *w, u64 channelid) { struct db_stmt *stmt; stmt = db_prepare_v2( w->db, SQL("SELECT signature FROM htlc_sigs WHERE channelid = ?")); secp256k1_ecdsa_signature *htlc_sigs = tal_arr(ctx, secp256k1_ecdsa_signature, 0); db_bind_u64(stmt, 0, channelid); db_query_prepared(stmt); while (db_step(stmt)) { secp256k1_ecdsa_signature sig; db_column_signature(stmt, 0, &sig); 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_column_is_null(stmt, 0) || db_column_is_null(stmt, 1)) { *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_column_signature(stmt, 0, *remote_ann_node_sig)) goto fail; if (!db_column_signature(stmt, 1, *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 funder) { 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, funder, NULL); while (db_step(stmt)) { enum htlc_state hstate = db_column_int(stmt, 0); u32 feerate = db_column_int(stmt, 1); 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, funder)) { log_broken(w->log, "invalid channel_feerates for id %"PRIu64, id); fee_states = tal_free(fee_states); } return fee_states; } /** * 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 short_channel_id *scid; struct channel *chan; u64 peer_dbid; struct peer *peer; struct wallet_shachain wshachain; struct channel_config our_config; struct bitcoin_txid funding_txid; 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; struct amount_msat push_msat, our_msat, msat_to_us_min, msat_to_us_max; peer_dbid = db_column_u64(stmt, 1); peer = find_peer_by_dbid(w->ld, peer_dbid); if (!peer) { peer = wallet_peer_load(w, peer_dbid); if (!peer) { return NULL; } } if (!db_column_is_null(stmt, 2)) { scid = tal(tmpctx, struct short_channel_id); if (!db_column_short_channel_id(stmt, 2, scid)) return NULL; } else { scid = NULL; } ok &= wallet_shachain_load(w, db_column_u64(stmt, 27), &wshachain); remote_shutdown_scriptpubkey = db_column_arr(tmpctx, stmt, 28, u8); local_shutdown_scriptpubkey = db_column_arr(tmpctx, stmt, 46, u8); /* Do we have a last_sent_commit, if yes, populate */ if (!db_column_is_null(stmt, 41)) { const u8 *cursor = db_column_blob(stmt, 41); size_t len = db_column_bytes(stmt, 41); 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_column_is_null(stmt, 30)) { last_sent_commit = tal(tmpctx, struct changed_htlc); last_sent_commit->newstate = db_column_u64(stmt, 30); last_sent_commit->id = db_column_u64(stmt, 31); } #endif if (!db_column_is_null(stmt, 40)) { future_per_commitment_point = tal(tmpctx, struct pubkey); db_column_pubkey(stmt, 40, future_per_commitment_point); } else future_per_commitment_point = NULL; channel_config_id = db_column_u64(stmt, 3); ok &= wallet_channel_config_load(w, channel_config_id, &our_config); db_column_sha256d(stmt, 12, &funding_txid.shad); ok &= db_column_signature(stmt, 33, &last_sig.s); last_sig.sighash_type = SIGHASH_ALL; /* Populate channel_info */ db_column_pubkey(stmt, 18, &channel_info.remote_fundingkey); db_column_pubkey(stmt, 19, &channel_info.theirbase.revocation); db_column_pubkey(stmt, 20, &channel_info.theirbase.payment); db_column_pubkey(stmt, 21, &channel_info.theirbase.htlc); db_column_pubkey(stmt, 22, &channel_info.theirbase.delayed_payment); db_column_pubkey(stmt, 23, &channel_info.remote_per_commit); db_column_pubkey(stmt, 24, &channel_info.old_remote_per_commit); wallet_channel_config_load(w, db_column_u64(stmt, 4), &channel_info.their_config); channel_info.fee_states = wallet_channel_fee_states_load(w, db_column_u64(stmt, 0), db_column_int(stmt, 6)); if (!channel_info.fee_states) ok = false; if (!ok) { tal_free(channel_info.fee_states); return NULL; } final_key_idx = db_column_u64(stmt, 29); if (final_key_idx < 0) { log_broken(w->log, "%s: Final key < 0", __func__); return NULL; } get_channel_basepoints(w->ld, &peer->id, db_column_u64(stmt, 0), &local_basepoints, &local_funding_pubkey); db_column_amount_sat(stmt, 14, &funding_sat); db_column_amount_msat(stmt, 16, &push_msat); db_column_amount_msat(stmt, 17, &our_msat); db_column_amount_msat(stmt, 38, &msat_to_us_min); db_column_amount_msat(stmt, 39, &msat_to_us_max); /* We want it to take this, rather than copy. */ take(channel_info.fee_states); chan = new_channel(peer, db_column_u64(stmt, 0), &wshachain, db_column_int(stmt, 5), db_column_int(stmt, 6), NULL, /* Set up fresh log */ "Loaded from database", db_column_int(stmt, 7), &our_config, db_column_int(stmt, 8), db_column_u64(stmt, 9), db_column_u64(stmt, 10), db_column_u64(stmt, 11), &funding_txid, db_column_int(stmt, 13), funding_sat, push_msat, db_column_int(stmt, 15) != 0, scid, our_msat, msat_to_us_min, /* msatoshi_to_us_min */ msat_to_us_max, /* msatoshi_to_us_max */ db_column_tx(tmpctx, stmt, 32), &last_sig, wallet_htlc_sigs_load(tmpctx, w, db_column_u64(stmt, 0)), &channel_info, remote_shutdown_scriptpubkey, local_shutdown_scriptpubkey, final_key_idx, db_column_int(stmt, 34) != 0, last_sent_commit, db_column_u64(stmt, 35), db_column_int(stmt, 36), db_column_int(stmt, 37), /* Not connected */ false, &local_basepoints, &local_funding_pubkey, future_per_commitment_point, db_column_int(stmt, 42), db_column_int(stmt, 43), db_column_arr(tmpctx, stmt, 44, u8), db_column_int(stmt, 45)); 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_column_u64(stmt, 0); 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" ", 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" ", 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" /* FIXME: We don't use these two: */ ", local_feerate_per_kw" ", remote_feerate_per_kw" ", 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" ", option_static_remotekey" ", shutdown_scriptpubkey_local" " FROM channels WHERE state < ?;")); 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 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; /* TODO These would be much better as a switch statement, leaving * these here for now in order to keep the commit clean. */ if (streq(dir, "in") && streq(typ, "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 = ?;"); } else if (streq(dir, "in") && streq(typ, "fulfilled")) { query = SQL("UPDATE channels" " SET in_payments_fulfilled = COALESCE(in_payments_fulfilled, 0) + 1" " , in_msatoshi_fulfilled = COALESCE(in_msatoshi_fulfilled, 0) + ?" " WHERE id = ?;"); } else if (streq(dir, "out") && streq(typ, "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 = ?;"); } else if (streq(dir, "out") && streq(typ, "fulfilled")) { query = SQL("UPDATE channels" " SET out_payments_fulfilled = COALESCE(out_payments_fulfilled, 0) + 1" " , out_msatoshi_fulfilled = COALESCE(out_msatoshi_fulfilled, 0) + ?" " WHERE id = ?;"); } else { fatal("Unknown stats key %s %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_column_int_or_default(stmt, 0, 0); stats->in_payments_fulfilled = db_column_int_or_default(stmt, 1, 0); db_column_amount_msat_or_default(stmt, 2, &stats->in_msatoshi_offered, AMOUNT_MSAT(0)); db_column_amount_msat_or_default(stmt, 3, &stats->in_msatoshi_fulfilled, AMOUNT_MSAT(0)); stats->out_payments_offered = db_column_int_or_default(stmt, 4, 0); stats->out_payments_fulfilled = db_column_int_or_default(stmt, 5, 0); db_column_amount_msat_or_default(stmt, 6, &stats->out_msatoshi_offered, AMOUNT_MSAT(0)); db_column_amount_msat_or_default(stmt, 7, &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_column_is_null(stmt, 0)) { *min = db_column_int(stmt, 0); *max = db_column_int(stmt, 1); } } 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=?" " 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_u64(stmt, 6, cc->id); db_exec_prepared_v2(take(stmt)); } bool wallet_channel_config_load(struct wallet *w, const u64 id, struct channel_config *cc) { bool ok = true; int col = 1; const char *query = SQL( "SELECT id, dust_limit_satoshis, max_htlc_value_in_flight_msat, " "channel_reserve_satoshis, htlc_minimum_msat, to_self_delay, " "max_accepted_htlcs 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_column_amount_sat(stmt, col++, &cc->dust_limit); db_column_amount_msat(stmt, col++, &cc->max_htlc_value_in_flight); db_column_amount_sat(stmt, col++, &cc->channel_reserve); db_column_amount_msat(stmt, col++, &cc->htlc_minimum); cc->to_self_delay = db_column_int(stmt, col++); cc->max_accepted_htlcs = db_column_int(stmt, col++); assert(col == 7); tal_free(stmt); return ok; } 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=?," " short_channel_id=?," " state=?," " funder=?," " channel_flags=?," " minimum_depth=?," " next_index_local=?," " next_index_remote=?," " next_htlc_id=?," " funding_tx_id=?," " funding_tx_outnum=?," " funding_satoshi=?," " funding_locked_remote=?," " push_msatoshi=?," " msatoshi_local=?," " shutdown_scriptpubkey_remote=?," " shutdown_keyidx_local=?," " channel_config_local=?," " last_tx=?, last_sig=?," " last_was_revoke=?," " min_possible_feerate=?," " max_possible_feerate=?," " msatoshi_to_us_min=?," " msatoshi_to_us_max=?," " feerate_base=?," " feerate_ppm=?," " remote_upfront_shutdown_script=?," " option_static_remotekey=?," " shutdown_scriptpubkey_local=?" " WHERE id=?")); 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_int(stmt, 2, chan->state); db_bind_int(stmt, 3, chan->funder); db_bind_int(stmt, 4, chan->channel_flags); db_bind_int(stmt, 5, chan->minimum_depth); db_bind_u64(stmt, 6, chan->next_index[LOCAL]); db_bind_u64(stmt, 7, chan->next_index[REMOTE]); db_bind_u64(stmt, 8, chan->next_htlc_id); db_bind_sha256d(stmt, 9, &chan->funding_txid.shad); db_bind_int(stmt, 10, chan->funding_outnum); db_bind_amount_sat(stmt, 11, &chan->funding); db_bind_int(stmt, 12, chan->remote_funding_locked); db_bind_amount_msat(stmt, 13, &chan->push); db_bind_amount_msat(stmt, 14, &chan->our_msat); if (chan->shutdown_scriptpubkey[REMOTE]) db_bind_blob(stmt, 15, chan->shutdown_scriptpubkey[REMOTE], tal_count(chan->shutdown_scriptpubkey[REMOTE])); else db_bind_null(stmt, 15); db_bind_u64(stmt, 16, chan->final_key_idx); db_bind_u64(stmt, 17, chan->our_config.id); db_bind_tx(stmt, 18, chan->last_tx); db_bind_signature(stmt, 19, &chan->last_sig.s); db_bind_int(stmt, 20, chan->last_was_revoke); db_bind_int(stmt, 21, chan->min_possible_feerate); db_bind_int(stmt, 22, chan->max_possible_feerate); db_bind_amount_msat(stmt, 23, &chan->msat_to_us_min); db_bind_amount_msat(stmt, 24, &chan->msat_to_us_max); db_bind_int(stmt, 25, chan->feerate_base); db_bind_int(stmt, 26, chan->feerate_ppm); if (chan->remote_upfront_shutdown_script) db_bind_blob( stmt, 27, chan->remote_upfront_shutdown_script, tal_count(chan->remote_upfront_shutdown_script)); else db_bind_null(stmt, 27); db_bind_int(stmt, 28, chan->option_static_remotekey); db_bind_blob(stmt, 29, chan->shutdown_scriptpubkey[LOCAL], tal_count(chan->shutdown_scriptpubkey[LOCAL])); db_bind_u64(stmt, 30, 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->channel_info.fee_states->feerate); i++) { if (!chan->channel_info.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, i); db_bind_int(stmt, 2, *chan->channel_info.fee_states->feerate[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]); stmt = db_prepare_v2(w->db, SQL("UPDATE channels SET" " last_sent_commit=?" " WHERE id=?")); if (tal_count(last_sent_commit)) db_bind_blob(stmt, 0, last_sent_commit, tal_count(last_sent_commit)); else db_bind_null(stmt, 0); db_bind_u64(stmt, 1, chan->dbid); db_exec_prepared_v2(stmt); tal_free(stmt); } void wallet_channel_insert(struct wallet *w, struct channel *chan) { struct db_stmt *stmt; if (chan->peer->dbid == 0) { /* Need to create the peer first */ stmt = db_prepare_v2(w->db, SQL("INSERT INTO peers (node_id, address) VALUES (?, ?);") ); db_bind_node_id(stmt, 0, &chan->peer->id); db_bind_text(stmt, 1, type_to_string(tmpctx, struct wireaddr_internal, &chan->peer->addr)); db_exec_prepared_v2(stmt); chan->peer->dbid = db_last_insert_id_v2(take(stmt)); } /* 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) 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_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 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 bitcoin_tx *tx, const u32 *blockheight, struct amount_sat *total) { int num_utxos = 0; *total = AMOUNT_SAT(0); for (size_t output = 0; output < tx->wtx->num_outputs; output++) { struct utxo *utxo; u32 index; bool is_p2sh; const u8 *script; struct amount_asset asset = bitcoin_tx_output_get_amount(tx, output); if (!amount_asset_is_main(&asset)) continue; script = bitcoin_tx_output_get_script(tmpctx, tx, 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; bitcoin_txid(tx, &utxo->txid); utxo->outnum = output; utxo->close_info = NULL; utxo->blockheight = blockheight ? blockheight : NULL; utxo->spendheight = NULL; utxo->scriptPubkey = tal_dup_arr(utxo, u8, script, tal_bytelen(script), 0); 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->txid), blockheight ? " CONFIRMED" : ""); 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->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->txid, utxo->outnum); if (!amount_sat_add(total, *total, utxo->amount)) fatal("Cannot add utxo output %zu/%zu %s + %s", output, tx->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->txid, output, 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) 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_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," " partid) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?);")); 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)); if (!out->am_origin) db_bind_null(stmt, 10); else db_bind_u64(stmt, 10, out->partid); db_exec_prepared_v2(stmt); out->dbid = db_last_insert_id_v2(stmt); tal_free(stmt); } void wallet_htlc_update(struct wallet *wallet, const u64 htlc_dbid, const enum htlc_state new_state, const struct preimage *payment_key, enum onion_type failcode, const struct onionreply *failonion) { struct db_stmt *stmt; /* 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=? WHERE id=?")); /* FIXME: htlc_state_in_db */ db_bind_int(stmt, 0, new_state); db_bind_u64(stmt, 4, htlc_dbid); if (payment_key) db_bind_preimage(stmt, 1, payment_key); else db_bind_null(stmt, 1); db_bind_int(stmt, 2, failcode); if (failonion) db_bind_onionreply(stmt, 3, failonion); else db_bind_null(stmt, 3); 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_column_u64(stmt, 0); in->key.id = db_column_u64(stmt, 1); in->key.channel = channel; db_column_amount_msat(stmt, 2, &in->msat); in->cltv_expiry = db_column_int(stmt, 3); in->hstate = db_column_int(stmt, 4); db_column_sha256(stmt, 5, &in->payment_hash); if (!db_column_is_null(stmt, 6)) { in->preimage = tal(in, struct preimage); db_column_preimage(stmt, 6, in->preimage); } else { in->preimage = NULL; } assert(db_column_bytes(stmt, 7) == sizeof(in->onion_routing_packet)); memcpy(&in->onion_routing_packet, db_column_blob(stmt, 7), sizeof(in->onion_routing_packet)); if (db_column_is_null(stmt, 8)) in->failonion = NULL; else in->failonion = db_column_onionreply(in, stmt, 8); in->failcode = db_column_int(stmt, 9); if (db_column_is_null(stmt, 11)) { in->shared_secret = NULL; } else { assert(db_column_bytes(stmt, 11) == sizeof(struct secret)); in->shared_secret = tal(in, struct secret); memcpy(in->shared_secret, db_column_blob(stmt, 11), 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_column_is_null(stmt, 12)) { in->received_time.ts.tv_sec = 0; in->received_time.ts.tv_nsec = 0; } else #endif /* COMPAT_V072 */ in->received_time = db_column_timeabs(stmt, 12); 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_column_u64(stmt, 0); out->key.id = db_column_u64(stmt, 1); out->key.channel = channel; db_column_amount_msat(stmt, 2, &out->msat); out->cltv_expiry = db_column_int(stmt, 3); out->hstate = db_column_int(stmt, 4); db_column_sha256(stmt, 5, &out->payment_hash); if (!db_column_is_null(stmt, 6)) { out->preimage = tal(out, struct preimage); db_column_preimage(stmt, 6, out->preimage); } else { out->preimage = NULL; } assert(db_column_bytes(stmt, 7) == sizeof(out->onion_routing_packet)); memcpy(&out->onion_routing_packet, db_column_blob(stmt, 7), sizeof(out->onion_routing_packet)); if (db_column_is_null(stmt, 8)) out->failonion = NULL; else out->failonion = db_column_onionreply(out, stmt, 8); out->failcode = db_column_int_or_default(stmt, 9, 0); out->in = NULL; if (!db_column_is_null(stmt, 10)) { u64 in_id = db_column_u64(stmt, 10); 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 } } else { out->partid = db_column_u64(stmt, 13); out->am_origin = true; } return ok; } static void fixup_hin(struct wallet *wallet, struct htlc_in *hin) { /* We don't save the outgoing channel which failed; probably not worth * it for this corner case. So we can't set hin->failoutchannel to * tell channeld what update to send, thus we turn those into a * WIRE_TEMPORARY_NODE_FAILURE. */ if (hin->failcode & UPDATE) hin->failcode = WIRE_TEMPORARY_NODE_FAILURE; /* 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->failcode || hin->failonion) return; hin->failcode = WIRE_TEMPORARY_NODE_FAILURE; 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" ", origin_htlc" ", shared_secret" ", received_time" " FROM channel_htlcs" " WHERE direction= ?" " AND channel_id= ?" " AND hstate != ?")); db_bind_int(stmt, 0, DIRECTION_INCOMING); db_bind_u64(stmt, 1, chan->dbid); db_bind_int(stmt, 2, 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" ", malformed_onion" ", origin_htlc" ", shared_secret" ", received_time" ", partid" " FROM channel_htlcs" " WHERE direction = ?" " AND channel_id = ?" " AND hstate != ?")); db_bind_int(stmt, 0, DIRECTION_OUTGOING); db_bind_u64(stmt, 1, chan->dbid); db_bind_int(stmt, 2, RCVD_REMOVE_ACK_REVOCATION); 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) { return invoices_create(wallet->invoices, pinvoice, msat, label, expiry, b11enc, description, features, r, rhash); } 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); } void wallet_invoice_resolve(struct wallet *wallet, struct invoice invoice, struct amount_msat msatoshi_received) { 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) { 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 = ?;")); db_bind_u64(stmt, 0, chan->dbid); db_query_prepared(stmt); stubs = tal_arr(ctx, struct htlc_stub, 0); while (db_step(stmt)) { struct htlc_stub stub; assert(db_column_u64(stmt, 0) == chan->dbid); /* FIXME: merge these two enums */ stub.owner = db_column_int(stmt, 1)==DIRECTION_INCOMING?REMOTE:LOCAL; stub.cltv_expiry = db_column_int(stmt, 2); stub.id = db_column_u64(stmt, 3); db_column_sha256(stmt, 4, &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 = ?;")); db_bind_sha256(stmt, 0, &payment->payment_hash); db_bind_u64(stmt, 1, payment->partid); db_query_prepared(stmt); res = db_step(stmt); assert(res); 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" ") 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->bolt11 != NULL) db_bind_text(stmt, 10, payment->bolt11); else db_bind_null(stmt, 10); db_bind_amount_msat(stmt, 11, &payment->total_msat); db_bind_u64(stmt, 12, payment->partid); 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); } } void wallet_payment_delete(struct wallet *wallet, const struct sha256 *payment_hash, u64 partid) { struct db_stmt *stmt; struct wallet_payment *payment; payment = find_unstored_payment(wallet, payment_hash, partid); if (payment) { tal_free(payment); return; } stmt = db_prepare_v2( wallet->db, SQL("DELETE FROM payments WHERE payment_hash = ?" " AND partid = ?")); db_bind_sha256(stmt, 0, payment_hash); db_bind_u64(stmt, 1, partid); 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_column_u64(stmt, 0); payment->status = db_column_int(stmt, 1); if (!db_column_is_null(stmt, 2)) { payment->destination = tal(payment, struct node_id); db_column_node_id(stmt, 2, payment->destination); } else { payment->destination = NULL; } db_column_amount_msat(stmt, 3, &payment->msatoshi); db_column_sha256(stmt, 4, &payment->payment_hash); payment->timestamp = db_column_int(stmt, 5); if (!db_column_is_null(stmt, 6)) { payment->payment_preimage = tal(payment, struct preimage); db_column_preimage(stmt, 6, payment->payment_preimage); } else payment->payment_preimage = NULL; /* We either used `sendpay` or `sendonion` with the `shared_secrets` * argument. */ if (!db_column_is_null(stmt, 7)) payment->path_secrets = db_column_secret_arr(payment, stmt, 7); else payment->path_secrets = NULL; /* Either none, or both are set */ assert(db_column_is_null(stmt, 8) == db_column_is_null(stmt, 9)); if (!db_column_is_null(stmt, 8)) { payment->route_nodes = db_column_node_id_arr(payment, stmt, 8); payment->route_channels = db_column_short_channel_id_arr(payment, stmt, 9); } else { payment->route_nodes = NULL; payment->route_channels = NULL; } db_column_amount_msat(stmt, 10, &payment->msatoshi_sent); if (!db_column_is_null(stmt, 11) && db_column_text(stmt, 11) != NULL) payment->label = tal_strdup(payment, (const char *)db_column_text(stmt, 11)); else payment->label = NULL; if (!db_column_is_null(stmt, 12) && db_column_text(stmt, 12) != NULL) payment->bolt11 = tal_strdup( payment, (const char *)db_column_text(stmt, 12)); else payment->bolt11 = NULL; if (!db_column_is_null(stmt, 13)) payment->failonion = tal_dup_arr(payment, u8, db_column_blob(stmt, 13), db_column_bytes(stmt, 13), 0); else payment->failonion = NULL; db_column_amount_msat(stmt, 14, &payment->total_msat); payment->partid = db_column_u64(stmt, 15); return payment; } struct wallet_payment * wallet_payment_by_hash(const tal_t *ctx, struct wallet *wallet, const struct sha256 *payment_hash, u64 partid) { 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" " FROM payments" " WHERE payment_hash = ?" " AND partid = ?")); db_bind_sha256(stmt, 0, payment_hash); db_bind_u64(stmt, 1, partid); 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, 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=?")); 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_exec_prepared_v2(take(stmt)); if (preimage) { stmt = db_prepare_v2(wallet->db, SQL("UPDATE payments SET payment_preimage=? " "WHERE payment_hash=? AND partid=?")); db_bind_preimage(stmt, 0, preimage); db_bind_sha256(stmt, 1, payment_hash); db_bind_u64(stmt, 2, partid); 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 = ?;")); db_bind_sha256(stmt, 0, payment_hash); db_bind_u64(stmt, 1, partid); 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, /* outputs */ struct onionreply **failonionreply, bool *faildestperm, int *failindex, enum onion_type *failcode, struct node_id **failnode, struct short_channel_id **failchannel, u8 **failupdate, char **faildetail, int *faildirection) { struct db_stmt *stmt; bool resb; size_t len; stmt = db_prepare_v2(wallet->db, SQL("SELECT failonionreply, faildestperm" ", failindex, failcode" ", failnode, failchannel" ", failupdate, faildetail, faildirection" " FROM payments" " WHERE payment_hash=? AND partid=?;")); db_bind_sha256(stmt, 0, payment_hash); db_bind_u64(stmt, 1, partid); db_query_prepared(stmt); resb = db_step(stmt); assert(resb); if (db_column_is_null(stmt, 0)) *failonionreply = NULL; else { *failonionreply = db_column_onionreply(ctx, stmt, 0); } *faildestperm = db_column_int(stmt, 1) != 0; *failindex = db_column_int(stmt, 2); *failcode = (enum onion_type) db_column_int(stmt, 3); if (db_column_is_null(stmt, 4)) *failnode = NULL; else { *failnode = tal(ctx, struct node_id); db_column_node_id(stmt, 4, *failnode); } if (db_column_is_null(stmt, 5)) *failchannel = NULL; else { *failchannel = tal(ctx, struct short_channel_id); resb = db_column_short_channel_id(stmt, 5, *failchannel); assert(resb); /* For pre-0.6.2 dbs, direction will be 0 */ *faildirection = db_column_int(stmt, 8); } if (db_column_is_null(stmt, 6)) *failupdate = NULL; else { len = db_column_bytes(stmt, 6); *failupdate = tal_arr(ctx, u8, len); memcpy(*failupdate, db_column_blob(stmt, 6), len); } if (!db_column_is_null(stmt, 7)) *faildetail = tal_strndup(ctx, db_column_blob(stmt, 7), db_column_bytes(stmt, 7)); 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_type 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_blob(stmt, 0, failonionreply->contents, tal_count(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); } if (failupdate) db_bind_blob(stmt, 6, failupdate, tal_count(failupdate)); else db_bind_null(stmt, 6); 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) { 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); if (payment_hash) { 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" " FROM payments" " WHERE payment_hash = ?;")); db_bind_sha256(stmt, 0, payment_hash); } else { 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" " FROM payments;")); } 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; } void wallet_htlc_sigs_save(struct wallet *w, u64 channel_id, secp256k1_ecdsa_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]); 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_column_sha256d(stmt, 0, &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; struct bitcoin_txid txid; 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)) { db_column_sha256d(stmt, 0, &txid.shad); outpointfilter_remove(w->utxoset_outpoints, &txid, db_column_int(stmt, 1)); } 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)); } const struct short_channel_id * wallet_outpoint_spend(struct wallet *w, const tal_t *ctx, const u32 blockheight, const struct bitcoin_txid *txid, const u32 outnum) { struct short_channel_id *scid; struct db_stmt *stmt; bool res; int changes; if (outpointfilter_matches(w->owned_outpoints, txid, outnum)) { stmt = db_prepare_v2(w->db, SQL("UPDATE outputs " "SET spend_height = ? " "WHERE prev_out_tx = ?" " AND prev_out_index = ?")); db_bind_int(stmt, 0, blockheight); db_bind_sha256d(stmt, 1, &txid->shad); db_bind_int(stmt, 2, outnum); db_exec_prepared_v2(take(stmt)); } if (outpointfilter_matches(w->utxoset_outpoints, txid, outnum)) { stmt = db_prepare_v2(w->db, SQL("UPDATE utxoset " "SET spendheight = ? " "WHERE txid = ?" " AND outnum = ?")); db_bind_int(stmt, 0, blockheight); db_bind_sha256d(stmt, 1, &txid->shad); db_bind_int(stmt, 2, outnum); db_exec_prepared_v2(stmt); changes = db_count_changes(stmt); tal_free(stmt); if (changes == 0) { return NULL; } /* Now look for the outpoint's short_channel_id */ stmt = db_prepare_v2(w->db, SQL("SELECT " "blockheight, txindex " "FROM utxoset " "WHERE txid = ? AND outnum = ?")); db_bind_sha256d(stmt, 0, &txid->shad); db_bind_int(stmt, 1, outnum); db_query_prepared(stmt); res = db_step(stmt); assert(res); scid = tal(ctx, struct short_channel_id); if (!mk_short_channel_id(scid, db_column_int(stmt, 0), db_column_int(stmt, 1), outnum)) fatal("wallet_outpoint_spend: invalid scid %u:%u:%u", db_column_int(stmt, 0), db_column_int(stmt, 1), outnum); tal_free(stmt); return scid; } return NULL; } void wallet_utxoset_add(struct wallet *w, const struct bitcoin_tx *tx, const u32 outnum, const u32 blockheight, const u32 txindex, const u8 *scriptpubkey, struct amount_sat sat) { struct db_stmt *stmt; struct bitcoin_txid txid; bitcoin_txid(tx, &txid); stmt = db_prepare_v2(w->db, SQL("INSERT INTO utxoset (" " txid," " outnum," " blockheight," " spendheight," " txindex," " scriptpubkey," " satoshis" ") VALUES(?, ?, ?, ?, ?, ?, ?);")); db_bind_sha256d(stmt, 0, &txid.shad); db_bind_int(stmt, 1, outnum); db_bind_int(stmt, 2, blockheight); db_bind_null(stmt, 3); db_bind_int(stmt, 4, txindex); db_bind_blob(stmt, 5, scriptpubkey, tal_count(scriptpubkey)); db_bind_amount_sat(stmt, 6, &sat); db_exec_prepared_v2(take(stmt)); outpointfilter_add(w->utxoset_outpoints, &txid, outnum); } 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_sha256d(stmt, 0, &o->txid.shad); db_bind_int(stmt, 1, o->outnum); db_bind_int(stmt, 2, fb->height); db_bind_null(stmt, 3); db_bind_int(stmt, 4, o->txindex); db_bind_blob(stmt, 5, o->scriptPubKey, tal_count(o->scriptPubKey)); db_bind_amount_sat(stmt, 6, &o->amount); db_exec_prepared_v2(take(stmt)); outpointfilter_add(w->utxoset_outpoints, &o->txid, o->outnum); } } 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); 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->outnum = short_channel_id_outnum(scid); db_column_sha256d(stmt, 0, &op->txid.shad); if (db_column_is_null(stmt, 1)) op->spendheight = 0; else op->spendheight = db_column_int(stmt, 1); op->scriptpubkey = tal_arr(op, u8, db_column_bytes(stmt, 2)); memcpy(op->scriptpubkey, db_column_blob(stmt, 2), db_column_bytes(stmt, 2)); db_column_amount_sat(stmt, 3, &op->sat); tal_free(stmt); return op; } void wallet_transaction_add(struct wallet *w, const struct bitcoin_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=?")); bitcoin_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 { 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_txid *txid, int outnum, enum wallet_tx_type type, u64 channel) { wallet_annotation_add(w, txid, outnum, 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_column_is_null(stmt, 0)) type |= db_column_u64(stmt, 0); if (channel_id == 0 && !db_column_is_null(stmt, 1)) channel_id = db_column_u64(stmt, 1); 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_column_is_null(stmt, 0)) *type = db_column_u64(stmt, 0); 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_column_is_null(stmt, 0)) tx = db_column_tx(ctx, stmt, 0); 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_column_is_null(stmt, 0)) blockheight = db_column_int(stmt, 0); 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_column_is_null(stmt, 0)) loc = NULL; else { loc = tal(ctx, struct txlocator); loc->blkheight = db_column_int(stmt, 0); loc->index = db_column_int(stmt, 1); } 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_column_txid(stmt, 0, &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_ONCHAIN_INIT); db_query_prepared(stmt); while (db_step(stmt)) { count++; tal_resize(&channel_ids, count); channel_ids[count-1] = db_column_u64(stmt, 0); } 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_column_int(stmt, 0); res[count-1].blockheight = db_column_int(stmt, 1); res[count-1].tx = db_column_tx(ctx, stmt, 2); res[count-1].input_num = db_column_int(stmt, 3); res[count-1].depth = db_column_int(stmt, 4); db_column_txid(stmt, 5, &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_type 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_type 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_column_amount_msat(stmt, 0, &total); tal_free(stmt); return total; } const struct forwarding *wallet_forwarded_payments_get(struct wallet *w, const tal_t *ctx) { struct forwarding *results = tal_arr(ctx, struct forwarding, 0); size_t count = 0; struct db_stmt *stmt; 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)")); db_query_prepared(stmt); for (count=0; db_step(stmt); count++) { tal_resize(&results, count+1); struct forwarding *cur = &results[count]; cur->status = db_column_int(stmt, 0); db_column_amount_msat(stmt, 1, &cur->msat_in); if (!db_column_is_null(stmt, 2)) { db_column_amount_msat(stmt, 2, &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_column_is_null(stmt, 3)) { cur->payment_hash = tal(ctx, struct sha256); db_column_sha256(stmt, 3, cur->payment_hash); } else { cur->payment_hash = NULL; } cur->channel_in.u64 = db_column_u64(stmt, 4); if (!db_column_is_null(stmt, 5)) { cur->channel_out.u64 = db_column_u64(stmt, 5); } else { assert(cur->status == FORWARD_LOCAL_FAILED); cur->channel_out.u64 = 0; } cur->received_time = db_column_timeabs(stmt, 6); if (!db_column_is_null(stmt, 7)) { cur->resolved_time = tal(ctx, struct timeabs); *cur->resolved_time = db_column_timeabs(stmt, 7); } else { cur->resolved_time = NULL; } if (!db_column_is_null(stmt, 8)) { assert(cur->status == FORWARD_FAILED || cur->status == FORWARD_LOCAL_FAILED); cur->failcode = db_column_int(stmt, 8); } else { cur->failcode = 0; } } tal_free(stmt); return results; } struct unreleased_tx *find_unreleased_tx(struct wallet *w, const struct bitcoin_txid *txid) { struct unreleased_tx *utx; list_for_each(&w->unreleased_txs, utx, list) { if (bitcoin_txid_eq(txid, &utx->txid)) return utx; } return NULL; } static void destroy_unreleased_tx(struct unreleased_tx *utx) { list_del(&utx->list); } void remove_unreleased_tx(struct unreleased_tx *utx) { tal_del_destructor(utx, destroy_unreleased_tx); list_del(&utx->list); } void add_unreleased_tx(struct wallet *w, struct unreleased_tx *utx) { list_add_tail(&w->unreleased_txs, &utx->list); tal_add_destructor(utx, destroy_unreleased_tx); } /* These will touch the db, so need to be explicitly freed. */ void free_unreleased_txs(struct wallet *w) { struct unreleased_tx *utx; while ((utx = list_top(&w->unreleased_txs, struct unreleased_tx, list))) tal_free(utx); } static void process_utxo_result(struct bitcoind *bitcoind, const struct bitcoin_tx_output *txout, void *_utxos) { struct utxo **utxos = _utxos; enum output_status newstate = txout == NULL ? output_state_spent : output_state_available; log_unusual(bitcoind->ld->wallet->log, "wallet: reserved output %s/%u reset to %s", type_to_string(tmpctx, struct bitcoin_txid, &utxos[0]->txid), utxos[0]->outnum, newstate == output_state_spent ? "spent" : "available"); wallet_update_output_status(bitcoind->ld->wallet, &utxos[0]->txid, utxos[0]->outnum, utxos[0]->status, newstate); /* If we have more, resolve them too. */ tal_arr_remove(&utxos, 0); if (tal_count(utxos) != 0) { bitcoind_getutxout(bitcoind, &utxos[0]->txid, utxos[0]->outnum, process_utxo_result, utxos); } else tal_free(utxos); } void wallet_clean_utxos(struct wallet *w, struct bitcoind *bitcoind) { struct utxo **utxos = wallet_get_utxos(NULL, w, output_state_reserved); if (tal_count(utxos) != 0) { bitcoind_getutxout(bitcoind, &utxos[0]->txid, utxos[0]->outnum, process_utxo_result, notleak(utxos)); } else tal_free(utxos); } 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_column_txid(stmt, 0, &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_column_txid(stmt, 0, &cur->id); cur->tx = db_column_tx(txs, stmt, 1); cur->rawtx = tal_dup_arr(txs, u8, db_column_blob(stmt, 1), db_column_bytes(stmt, 1), 0); /* TX may be unconfirmed. */ if (!db_column_is_null(stmt, 2)) { cur->blockheight = db_column_int(stmt, 2); if (!db_column_is_null(stmt, 3)) { cur->txindex = db_column_int(stmt, 3); } else { cur->txindex = 0; } } else { cur->blockheight = 0; cur->txindex = 0; } if (!db_column_is_null(stmt, 4)) cur->annotation.type = db_column_u64(stmt, 4); else cur->annotation.type = 0; if (!db_column_is_null(stmt, 5)) db_column_short_channel_id(stmt, 5, &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_column_is_null(stmt, 6)) { enum wallet_tx_annotation_type loc = db_column_int(stmt, 6); int idx = db_column_int(stmt, 7); 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); ann->type = db_column_int(stmt, 8); if (!db_column_is_null(stmt, 9)) db_column_short_channel_id(stmt, 9, &ann->channel); else ann->channel.u64 = 0; } } tal_free(stmt); return txs; }