BitcoinCash/riftenlabs-indexer
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Query the mempool for new pools

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Previous mempool filter did not include transactions that use the
'SUMMON' OP_RETURN feature to detect new pools.
This commit is contained in:
Dagur Valberg Johannsson 2024-10-25 14:44:14 +02:00
parent 96a960a6bd
commit 73e29b1bbe
No known key found for this signature in database
GPG key ID: FD701804AEE88107
2 changed files with 15 additions and 5 deletions
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4
src/electrum.rs
View file

@ -36,7 +36,9 @@ pub fn electrum_get_tip(client: &Client) -> Result<(BlockHeader, u64)> {
/// Fetch cauldron mempool transactions
pub fn electrum_fetch_mempool(client: &Client) -> Result<HashSet<Txid>> {
let filter = json!({
"scriptsig": hex::encode(&V2_CONTRACT_TEMPLATE[(V2_CONTRACT_TEMPLATE.len() - 43)..])
"scriptsig": hex::encode(&V2_CONTRACT_TEMPLATE[(V2_CONTRACT_TEMPLATE.len() - 43)..]), // cauldron spends
"scriptpubkey": hex::encode([0x6a /* op_return */, 0x06 /* push */, b'S', b'U', b'M', b'M', b'O', b'N']), // new pools (potentially)
"operation": "union"
});
let response = client.raw_call("mempool.get", [Param::Value(filter)])?;

16
src/index.rs
View file

@ -72,11 +72,20 @@ pub fn update_mempool(db: DBPool, electrum: Arc<Mutex<Client>>) -> Result<()> {
.as_secs();
for tx in txs_to_add {
let txid = tx.txid();
debug!("mempool add {}", txid.to_hex());
db::cauldron::tx::insert_mempool_tx(&db_tx, &txid, current_timestamp)?;
let cauldrons: Vec<ParsedContract> = parse_cauldrons_from_tx(&tx);
if cauldrons.is_empty() {
info!("ignoring non-cauldron tx {}", tx.txid());
continue;
}
let txid = tx.txid();
db::cauldron::tx::insert_mempool_tx(&db_tx, &txid, current_timestamp)?;
info!(
"mempool add {} with {} cauldrons",
txid.to_hex(),
cauldrons.len()
);
insert_utxo_funding(&db_tx, &cauldrons, &txid, false)?;
insert_utxo_spending(&db_tx, &cauldrons, &txid, false)?;
insert_user_action(&db_tx, &cauldrons, &tx, true)?;
@ -85,7 +94,6 @@ pub fn update_mempool(db: DBPool, electrum: Arc<Mutex<Client>>) -> Result<()> {
}
db::cauldron::pool::update_pool_history(&db_tx, all_cauldrons, None, Some(current_timestamp))?;
Ok(db_tx.commit()?)
}