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chaintopo: Record outpoint spends for owned outputs

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Signed-off-by: Christian Decker <decker.christian@gmail.com>
This commit is contained in:
Christian Decker 2018-03-02 15:07:13 +01:00
parent 2680e6d9ff
commit ae30942e3f
4 changed files with 44 additions and 0 deletions
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18
lightningd/chaintopology.c
View file

@ -348,6 +348,22 @@ static void updates_complete(struct chain_topology *topo)
next_topology_timer(topo);
}
/**
* topo_update_spends -- Tell the wallet about all spent outpoints
*/
static void topo_update_spends(struct chain_topology *topo, struct block *b)
{
for (size_t i = 0; i < tal_count(b->full_txs); i++) {
const struct bitcoin_tx *tx = b->full_txs[i];
for (size_t j = 0; j < tal_count(tx->input); j++) {
const struct bitcoin_tx_input *input = &tx->input[j];
wallet_outpoint_spend(topo->wallet, b->height,
&input->txid,
input->index);
}
}
}
static void add_tip(struct chain_topology *topo, struct block *b)
{
/* Attach to tip; b is now the tip. */
@ -357,6 +373,8 @@ static void add_tip(struct chain_topology *topo, struct block *b)
topo->tip = b;
wallet_block_add(topo->wallet, b);
topo_update_spends(topo, b);
/* Only keep the transactions we care about. */
filter_block_txs(topo, b);

4
wallet/test/run-wallet.c
View file

@ -258,6 +258,10 @@ struct json_result *null_response(const tal_t *ctx UNNEEDED)
void outpointfilter_add(struct outpointfilter *of UNNEEDED,
const struct bitcoin_txid *txid UNNEEDED, const u32 outnum UNNEEDED)
{ fprintf(stderr, "outpointfilter_add called!\n"); abort(); }
/* Generated stub for outpointfilter_matches */
bool outpointfilter_matches(struct outpointfilter *of UNNEEDED,
const struct bitcoin_txid *txid UNNEEDED, const u32 outnum UNNEEDED)
{ fprintf(stderr, "outpointfilter_matches called!\n"); abort(); }
/* Generated stub for outpointfilter_new */
struct outpointfilter *outpointfilter_new(tal_t *ctx UNNEEDED)
{ fprintf(stderr, "outpointfilter_new called!\n"); abort(); }

19
wallet/wallet.c
View file

@ -1783,3 +1783,22 @@ void wallet_blocks_rollback(struct wallet *w, u32 height)
sqlite3_bind_int(stmt, 1, height);
db_exec_prepared(w->db, stmt);
}
void wallet_outpoint_spend(struct wallet *w, const u32 blockheight,
const struct bitcoin_txid *txid, const u32 outnum)
{
sqlite3_stmt *stmt;
if (outpointfilter_matches(w->owned_outpoints, txid, outnum)) {
stmt = db_prepare(w->db,
"UPDATE outputs "
"SET spend_height = ? "
"WHERE prev_out_tx = ?"
" AND prev_out_index = ?");
sqlite3_bind_int(stmt, 1, blockheight);
sqlite3_bind_sha256_double(stmt, 2, &txid->shad);
sqlite3_bind_int(stmt, 3, outnum);
db_exec_prepared(w->db, stmt);
}
}

3
wallet/wallet.h
View file

@ -704,4 +704,7 @@ void wallet_block_remove(struct wallet *w, struct block *b);
*/
void wallet_blocks_rollback(struct wallet *w, u32 height);
void wallet_outpoint_spend(struct wallet *w, const u32 blockheight,
const struct bitcoin_txid *txid, const u32 outnum);
#endif /* WALLET_WALLET_H */