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zcash_client_sqlite: Add `DataConnStmtCache::new` constructor 

This is a move-only commit (other than the necessary variable renames).
This commit is contained in:
Jack Grigg 2022-08-29 15:19:57 +00:00
parent 8c00ca3b88
commit 439e8f2599
1 changed files with 92 additions and 86 deletions
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178
zcash_client_sqlite/src/lib.rs
View File

@ -116,92 +116,7 @@ impl<P: consensus::Parameters> WalletDb<P> {
/// for that database. This operation may eagerly initialize and cache sqlite
/// prepared statements that are used in write operations.
pub fn get_update_ops(&self) -> Result<DataConnStmtCache<'_, P>, SqliteClientError> {
Ok(
DataConnStmtCache {
wallet_db: self,
stmt_insert_block: self.conn.prepare(
"INSERT INTO blocks (height, hash, time, sapling_tree)
VALUES (?, ?, ?, ?)",
)?,
stmt_insert_tx_meta: self.conn.prepare(
"INSERT INTO transactions (txid, block, tx_index)
VALUES (?, ?, ?)",
)?,
stmt_update_tx_meta: self.conn.prepare(
"UPDATE transactions
SET block = ?, tx_index = ? WHERE txid = ?",
)?,
stmt_insert_tx_data: self.conn.prepare(
"INSERT INTO transactions (txid, created, expiry_height, raw)
VALUES (?, ?, ?, ?)",
)?,
stmt_update_tx_data: self.conn.prepare(
"UPDATE transactions
SET expiry_height = ?, raw = ? WHERE txid = ?",
)?,
stmt_select_tx_ref: self.conn.prepare(
"SELECT id_tx FROM transactions WHERE txid = ?",
)?,
stmt_mark_sapling_note_spent: self.conn.prepare(
"UPDATE received_notes SET spent = ? WHERE nf = ?"
)?,
#[cfg(feature = "transparent-inputs")]
stmt_mark_transparent_utxo_spent: self.conn.prepare(
"UPDATE utxos SET spent_in_tx = :spent_in_tx
WHERE prevout_txid = :prevout_txid
AND prevout_idx = :prevout_idx"
)?,
#[cfg(feature = "transparent-inputs")]
stmt_insert_received_transparent_utxo: self.conn.prepare(
"INSERT INTO utxos (address, prevout_txid, prevout_idx, script, value_zat, height)
VALUES (:address, :prevout_txid, :prevout_idx, :script, :value_zat, :height)"
)?,
#[cfg(feature = "transparent-inputs")]
stmt_delete_utxos: self.conn.prepare(
"DELETE FROM utxos WHERE address = :address AND height > :above_height"
)?,
stmt_insert_received_note: self.conn.prepare(
"INSERT INTO received_notes (tx, output_index, account, diversifier, value, rcm, memo, nf, is_change)
VALUES (:tx, :output_index, :account, :diversifier, :value, :rcm, :memo, :nf, :is_change)",
)?,
stmt_update_received_note: self.conn.prepare(
"UPDATE received_notes
SET account = :account,
diversifier = :diversifier,
value = :value,
rcm = :rcm,
nf = IFNULL(:nf, nf),
memo = IFNULL(:memo, memo),
is_change = IFNULL(:is_change, is_change)
WHERE tx = :tx AND output_index = :output_index",
)?,
stmt_select_received_note: self.conn.prepare(
"SELECT id_note FROM received_notes WHERE tx = ? AND output_index = ?"
)?,
stmt_update_sent_note: self.conn.prepare(
"UPDATE sent_notes
SET from_account = ?, address = ?, value = ?, memo = ?
WHERE tx = ? AND output_pool = ? AND output_index = ?",
)?,
stmt_insert_sent_note: self.conn.prepare(
"INSERT INTO sent_notes (tx, output_pool, output_index, from_account, address, value, memo)
VALUES (?, ?, ?, ?, ?, ?, ?)",
)?,
stmt_insert_witness: self.conn.prepare(
"INSERT INTO sapling_witnesses (note, block, witness)
VALUES (?, ?, ?)",
)?,
stmt_prune_witnesses: self.conn.prepare(
"DELETE FROM sapling_witnesses WHERE block < ?"
)?,
stmt_update_expired: self.conn.prepare(
"UPDATE received_notes SET spent = NULL WHERE EXISTS (
SELECT id_tx FROM transactions
WHERE id_tx = received_notes.spent AND block IS NULL AND expiry_height < ?
)",
)?,
}
)
DataConnStmtCache::new(self)
}
}
@ -364,6 +279,97 @@ pub struct DataConnStmtCache<'a, P> {
stmt_update_expired: Statement<'a>,
}
impl<'a, P> DataConnStmtCache<'a, P> {
fn new(wallet_db: &'a WalletDb<P>) -> Result<Self, SqliteClientError> {
Ok(
DataConnStmtCache {
wallet_db,
stmt_insert_block: wallet_db.conn.prepare(
"INSERT INTO blocks (height, hash, time, sapling_tree)
VALUES (?, ?, ?, ?)",
)?,
stmt_insert_tx_meta: wallet_db.conn.prepare(
"INSERT INTO transactions (txid, block, tx_index)
VALUES (?, ?, ?)",
)?,
stmt_update_tx_meta: wallet_db.conn.prepare(
"UPDATE transactions
SET block = ?, tx_index = ? WHERE txid = ?",
)?,
stmt_insert_tx_data: wallet_db.conn.prepare(
"INSERT INTO transactions (txid, created, expiry_height, raw)
VALUES (?, ?, ?, ?)",
)?,
stmt_update_tx_data: wallet_db.conn.prepare(
"UPDATE transactions
SET expiry_height = ?, raw = ? WHERE txid = ?",
)?,
stmt_select_tx_ref: wallet_db.conn.prepare(
"SELECT id_tx FROM transactions WHERE txid = ?",
)?,
stmt_mark_sapling_note_spent: wallet_db.conn.prepare(
"UPDATE received_notes SET spent = ? WHERE nf = ?"
)?,
#[cfg(feature = "transparent-inputs")]
stmt_mark_transparent_utxo_spent: wallet_db.conn.prepare(
"UPDATE utxos SET spent_in_tx = :spent_in_tx
WHERE prevout_txid = :prevout_txid
AND prevout_idx = :prevout_idx"
)?,
#[cfg(feature = "transparent-inputs")]
stmt_insert_received_transparent_utxo: wallet_db.conn.prepare(
"INSERT INTO utxos (address, prevout_txid, prevout_idx, script, value_zat, height)
VALUES (:address, :prevout_txid, :prevout_idx, :script, :value_zat, :height)"
)?,
#[cfg(feature = "transparent-inputs")]
stmt_delete_utxos: wallet_db.conn.prepare(
"DELETE FROM utxos WHERE address = :address AND height > :above_height"
)?,
stmt_insert_received_note: wallet_db.conn.prepare(
"INSERT INTO received_notes (tx, output_index, account, diversifier, value, rcm, memo, nf, is_change)
VALUES (:tx, :output_index, :account, :diversifier, :value, :rcm, :memo, :nf, :is_change)",
)?,
stmt_update_received_note: wallet_db.conn.prepare(
"UPDATE received_notes
SET account = :account,
diversifier = :diversifier,
value = :value,
rcm = :rcm,
nf = IFNULL(:nf, nf),
memo = IFNULL(:memo, memo),
is_change = IFNULL(:is_change, is_change)
WHERE tx = :tx AND output_index = :output_index",
)?,
stmt_select_received_note: wallet_db.conn.prepare(
"SELECT id_note FROM received_notes WHERE tx = ? AND output_index = ?"
)?,
stmt_update_sent_note: wallet_db.conn.prepare(
"UPDATE sent_notes
SET from_account = ?, address = ?, value = ?, memo = ?
WHERE tx = ? AND output_pool = ? AND output_index = ?",
)?,
stmt_insert_sent_note: wallet_db.conn.prepare(
"INSERT INTO sent_notes (tx, output_pool, output_index, from_account, address, value, memo)
VALUES (?, ?, ?, ?, ?, ?, ?)",
)?,
stmt_insert_witness: wallet_db.conn.prepare(
"INSERT INTO sapling_witnesses (note, block, witness)
VALUES (?, ?, ?)",
)?,
stmt_prune_witnesses: wallet_db.conn.prepare(
"DELETE FROM sapling_witnesses WHERE block < ?"
)?,
stmt_update_expired: wallet_db.conn.prepare(
"UPDATE received_notes SET spent = NULL WHERE EXISTS (
SELECT id_tx FROM transactions
WHERE id_tx = received_notes.spent AND block IS NULL AND expiry_height < ?
)",
)?,
}
)
}
}
impl<'a, P: consensus::Parameters> WalletRead for DataConnStmtCache<'a, P> {
type Error = SqliteClientError;
type NoteRef = NoteId;