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core-lightning/wallet/wallet.c
lisa neigut 39d5117210 utxo: add scriptSig + scriptPubkey field 
Allow the utxo object to bear the scriptSig and scriptPubKey
2020-05-07 08:43:00 +09:30

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#include "invoices.h"
#include "wallet.h"
#include <bitcoin/script.h>
#include <ccan/array_size/array_size.h>
#include <ccan/mem/mem.h>
#include <ccan/tal/str/str.h>
#include <common/fee_states.h>
#include <common/key_derive.h>
#include <common/memleak.h>
#include <common/onionreply.h>
#include <common/wireaddr.h>
#include <inttypes.h>
#include <lightningd/lightningd.h>
#include <lightningd/notification.h>
#include <lightningd/peer_control.h>
#include <lightningd/peer_htlcs.h>
#include <onchaind/gen_onchain_wire.h>
#include <string.h>
#include <wallet/db_common.h>
#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;
wallet->keyscan_gap = 50;
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;
utxo->scriptSig = 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)) {
tal_free(u);
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;
}
u8 *derive_redeem_scriptsig(const tal_t *ctx, struct wallet *w, u32 keyindex)
{
struct ext_key ext;
struct pubkey key;
if (bip32_key_from_parent(w->bip32_base, keyindex,
BIP32_FLAG_KEY_PUBLIC, &ext) != WALLY_OK) {
fatal("Unable to derive pubkey");
}
if (!pubkey_from_der(ext.pub_key, PUBKEY_CMPR_LEN, &key))
fatal("Unble to derive pubkey from DER");
return bitcoin_scriptsig_p2sh_p2wpkh(ctx, &key);
}
bool wallet_can_spend(struct wallet *w, const u8 *script,
u32 *index, bool *output_is_p2sh)
{
struct ext_key ext;
u64 bip32_max_index = db_get_intvar(w->db, "bip32_max_index", 0);
u32 i;
/* If not one of these, can't be for us. */
if (is_p2sh(script, NULL))
*output_is_p2sh = true;
else if (is_p2wpkh(script, NULL))
*output_is_p2sh = false;
else
return false;
for (i = 0; i <= bip32_max_index + w->keyscan_gap; i++) {
u8 *s;
if (bip32_key_from_parent(w->bip32_base, i,
BIP32_FLAG_KEY_PUBLIC, &ext)
!= WALLY_OK) {
abort();
}
s = scriptpubkey_p2wpkh_derkey(w, ext.pub_key);
if (*output_is_p2sh) {
u8 *p2sh = scriptpubkey_p2sh(w, s);
tal_free(s);
s = p2sh;
}
if (scripteq(s, script)) {
/* If we found a used key in the keyscan_gap we should
* remember that. */
if (i > bip32_max_index)
db_set_intvar(w->db, "bip32_max_index", i);
tal_free(s);
*index = i;
return true;
}
tal_free(s);
}
return false;
}
s64 wallet_get_newindex(struct lightningd *ld)
{
u64 newidx = db_get_intvar(ld->wallet->db, "bip32_max_index", 0) + 1;
if (newidx == BIP32_INITIAL_HARDENED_CHILD)
return -1;
db_set_intvar(ld->wallet->db, "bip32_max_index", newidx);
return newidx;
}
static void wallet_shachain_init(struct wallet *wallet,
struct wallet_shachain *chain)
{
struct db_stmt *stmt;
assert(chain->id == 0);
/* Create shachain */
shachain_init(&chain->chain);
stmt = db_prepare_v2(
wallet->db,
SQL("INSERT INTO shachains (min_index, num_valid) VALUES (?, 0);"));
db_bind_u64(stmt, 0, chain->chain.min_index);
db_exec_prepared_v2(stmt);
chain->id = db_last_insert_id_v2(stmt);
tal_free(stmt);
}
/* TODO(cdecker) Stolen from shachain, move to some appropriate location */
static unsigned int count_trailing_zeroes(uint64_t index)
{
#if HAVE_BUILTIN_CTZLL
return index ? (unsigned int)__builtin_ctzll(index) : SHACHAIN_BITS;
#else
unsigned int i;
for (i = 0; i < SHACHAIN_BITS; i++) {
if (index & (1ULL << i))
break;
}
return i;
#endif
}
bool wallet_shachain_add_hash(struct wallet *wallet,
struct wallet_shachain *chain,
uint64_t index,
const struct secret *hash)
{
struct db_stmt *stmt;
u32 pos = count_trailing_zeroes(index);
struct sha256 s;
bool updated;
BUILD_ASSERT(sizeof(s) == sizeof(*hash));
memcpy(&s, hash, sizeof(s));
assert(index < SQLITE_MAX_UINT);
if (!shachain_add_hash(&chain->chain, index, &s)) {
return false;
}
stmt = db_prepare_v2(
wallet->db,
SQL("UPDATE shachains SET num_valid=?, min_index=? WHERE id=?"));
db_bind_int(stmt, 0, chain->chain.num_valid);
db_bind_u64(stmt, 1, index);
db_bind_u64(stmt, 2, chain->id);
db_exec_prepared_v2(take(stmt));
stmt = db_prepare_v2(wallet->db,
SQL("UPDATE shachain_known SET idx=?, hash=? "
"WHERE shachain_id=? AND pos=?"));
db_bind_u64(stmt, 0, index);
db_bind_secret(stmt, 1, hash);
db_bind_u64(stmt, 2, chain->id);
db_bind_int(stmt, 3, pos);
db_exec_prepared_v2(stmt);
updated = db_count_changes(stmt) == 1;
tal_free(stmt);
if (!updated) {
stmt = db_prepare_v2(
wallet->db, SQL("INSERT INTO shachain_known (shachain_id, "
"pos, idx, hash) VALUES (?, ?, ?, ?);"));
db_bind_u64(stmt, 0, chain->id);
db_bind_int(stmt, 1, pos);
db_bind_u64(stmt, 2, index);
db_bind_secret(stmt, 3, hash);
db_exec_prepared_v2(take(stmt));
}
return true;
}
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 opener)
{
struct fee_states *fee_states;
struct db_stmt *stmt;
stmt = db_prepare_v2(w->db, SQL("SELECT hstate, feerate_per_kw FROM channel_feerates WHERE channel_id = ?"));
db_bind_u64(stmt, 0, id);
db_query_prepared(stmt);
/* Start with blank slate. */
fee_states = new_fee_states(w, opener, NULL);
while (db_step(stmt)) {
enum htlc_state hstate = 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, opener)) {
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, our_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, 28), &wshachain);
remote_shutdown_scriptpubkey = db_column_arr(tmpctx, stmt, 29, u8);
local_shutdown_scriptpubkey = db_column_arr(tmpctx, stmt, 47, u8);
/* Do we have a last_sent_commit, if yes, populate */
if (!db_column_is_null(stmt, 42)) {
const u8 *cursor = db_column_blob(stmt, 42);
size_t len = db_column_bytes(stmt, 42);
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, 31)) {
last_sent_commit = tal(tmpctx, struct changed_htlc);
last_sent_commit->newstate = db_column_u64(stmt, 31);
last_sent_commit->id = db_column_u64(stmt, 32);
}
#endif
if (!db_column_is_null(stmt, 41)) {
future_per_commitment_point = tal(tmpctx, struct pubkey);
db_column_pubkey(stmt, 41, 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, 34, &last_sig.s);
last_sig.sighash_type = SIGHASH_ALL;
/* Populate channel_info */
db_column_pubkey(stmt, 19, &channel_info.remote_fundingkey);
db_column_pubkey(stmt, 20, &channel_info.theirbase.revocation);
db_column_pubkey(stmt, 21, &channel_info.theirbase.payment);
db_column_pubkey(stmt, 22, &channel_info.theirbase.htlc);
db_column_pubkey(stmt, 23, &channel_info.theirbase.delayed_payment);
db_column_pubkey(stmt, 24, &channel_info.remote_per_commit);
db_column_pubkey(stmt, 25, &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, 30);
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_sat(stmt, 15, &our_funding_sat);
db_column_amount_msat(stmt, 17, &push_msat);
db_column_amount_msat(stmt, 18, &our_msat);
db_column_amount_msat(stmt, 39, &msat_to_us_min);
db_column_amount_msat(stmt, 40, &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,
our_funding_sat,
db_column_int(stmt, 16) != 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, 33),
&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, 35) != 0,
last_sent_commit,
db_column_u64(stmt, 36),
db_column_int(stmt, 37),
db_column_int(stmt, 38),
/* Not connected */
false,
&local_basepoints, &local_funding_pubkey,
future_per_commitment_point,
db_column_int(stmt, 43),
db_column_int(stmt, 44),
db_column_arr(tmpctx, stmt, 45, u8),
db_column_int(stmt, 46));
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"
", our_funding_satoshi"
", funding_locked_remote"
", push_msatoshi"
", msatoshi_local"
", fundingkey_remote"
", revocation_basepoint_remote"
", payment_basepoint_remote"
", htlc_basepoint_remote"
", delayed_payment_basepoint_remote"
", per_commit_remote"
", old_per_commit_remote"
/* 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=?,"
" our_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->opener);
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_amount_sat(stmt, 12, &chan->our_funds);
db_bind_int(stmt, 13, chan->remote_funding_locked);
db_bind_amount_msat(stmt, 14, &chan->push);
db_bind_amount_msat(stmt, 15, &chan->our_msat);
if (chan->shutdown_scriptpubkey[REMOTE])
db_bind_blob(stmt, 16, chan->shutdown_scriptpubkey[REMOTE],
tal_count(chan->shutdown_scriptpubkey[REMOTE]));
else
db_bind_null(stmt, 16);
db_bind_u64(stmt, 17, chan->final_key_idx);
db_bind_u64(stmt, 18, chan->our_config.id);
db_bind_tx(stmt, 19, chan->last_tx);
db_bind_signature(stmt, 20, &chan->last_sig.s);
db_bind_int(stmt, 21, chan->last_was_revoke);
db_bind_int(stmt, 22, chan->min_possible_feerate);
db_bind_int(stmt, 23, chan->max_possible_feerate);
db_bind_amount_msat(stmt, 24, &chan->msat_to_us_min);
db_bind_amount_msat(stmt, 25, &chan->msat_to_us_max);
db_bind_int(stmt, 26, chan->feerate_base);
db_bind_int(stmt, 27, chan->feerate_ppm);
if (chan->remote_upfront_shutdown_script)
db_bind_blob(
stmt, 28, chan->remote_upfront_shutdown_script,
tal_count(chan->remote_upfront_shutdown_script));
else
db_bind_null(stmt, 28);
db_bind_int(stmt, 29, chan->option_static_remotekey);
db_bind_blob(stmt, 30, chan->shutdown_scriptpubkey[LOCAL],
tal_count(chan->shutdown_scriptpubkey[LOCAL]));
db_bind_u64(stmt, 31, 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_talarr(utxo, u8, script);
log_debug(w->log, "Owning output %zu %s (%s) txid %s%s",
output,
type_to_string(tmpctx, struct amount_sat,
&utxo->amount),
is_p2sh ? "P2SH" : "SEGWIT",
type_to_string(tmpctx, struct bitcoin_txid,
&utxo->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);
}
/* input htlcs use failcode & failonion, output htlcs use failmsg & failonion */
void wallet_htlc_update(struct wallet *wallet, const u64 htlc_dbid,
const enum htlc_state new_state,
const struct preimage *payment_key,
enum onion_type badonion,
const struct onionreply *failonion,
const u8 *failmsg)
{
struct db_stmt *stmt;
/* We should only use this for badonion codes */
assert(!badonion || (badonion & BADONION));
/* The database ID must be set by a previous call to
* `wallet_htlc_save_*` */
assert(htlc_dbid);
stmt = db_prepare_v2(
wallet->db, SQL("UPDATE channel_htlcs SET hstate=?, payment_key=?, "
"malformed_onion=?, failuremsg=?, localfailmsg=?"
" WHERE id=?"));
/* FIXME: htlc_state_in_db */
db_bind_int(stmt, 0, new_state);
db_bind_u64(stmt, 5, htlc_dbid);
if (payment_key)
db_bind_preimage(stmt, 1, payment_key);
else
db_bind_null(stmt, 1);
db_bind_int(stmt, 2, badonion);
if (failonion)
db_bind_onionreply(stmt, 3, failonion);
else
db_bind_null(stmt, 3);
if (failmsg)
db_bind_blob(stmt, 4, failmsg, tal_bytelen(failmsg));
else
db_bind_null(stmt, 4);
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);
/* FIXME: save blinding in db !*/
in->blinding = NULL;
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->badonion = 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);
#ifdef COMPAT_V080
/* This field is now reserved for badonion codes: the rest should
* use the failonion field. */
if (in->badonion && !(in->badonion & BADONION)) {
log_broken(channel->log,
"Replacing incoming HTLC %"PRIu64" error "
"%s with WIRE_TEMPORARY_NODE_FAILURE",
in->key.id, onion_type_name(in->badonion));
in->badonion = 0;
in->failonion = create_onionreply(in,
in->shared_secret,
towire_temporary_node_failure(tmpctx));
}
#endif
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);
/* FIXME: save blinding in db !*/
out->blinding = NULL;
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);
if (db_column_is_null(stmt, 14))
out->failmsg = NULL;
else
out->failmsg = tal_dup_arr(out, u8, db_column_blob(stmt, 14),
db_column_bytes(stmt, 14), 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 didn't used to save failcore, failonion... */
#ifdef COMPAT_V061
/* We care about HTLCs being removed only, not those being added. */
if (hin->hstate < SENT_REMOVE_HTLC)
return;
/* Successful ones are fine. */
if (hin->preimage)
return;
/* Failed ones (only happens after db fixed!) OK. */
if (hin->badonion || hin->failonion)
return;
hin->failonion = create_onionreply(hin,
hin->shared_secret,
towire_temporary_node_failure(tmpctx));
log_broken(wallet->log, "HTLC #%"PRIu64" (%s) "
" for amount %s"
" from %s"
" is missing a resolution:"
" subsituting temporary node failure",
hin->key.id, htlc_state_name(hin->hstate),
type_to_string(tmpctx, struct amount_msat, &hin->msat),
type_to_string(tmpctx, struct node_id,
&hin->key.channel->peer->id));
#endif
}
bool wallet_htlcs_load_in_for_channel(struct wallet *wallet,
struct channel *chan,
struct htlc_in_map *htlcs_in)
{
struct db_stmt *stmt;
bool ok = true;
int incount = 0;
log_debug(wallet->log, "Loading in HTLCs for channel %"PRIu64, chan->dbid);
stmt = db_prepare_v2(wallet->db, SQL("SELECT"
" id"
", channel_htlc_id"
", msatoshi"
", cltv_expiry"
", hstate"
", payment_hash"
", payment_key"
", routing_onion"
", failuremsg"
", malformed_onion"
", 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"
", localfailmsg"
" 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; i<tal_count(htlc_sigs); i++) {
stmt = db_prepare_v2(w->db,
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);
/* cppcheck-suppress uninitvar - false positive on fatal() above */
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;
}
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