0001_initial_schema.sql

-- This table tracks the blocks received from the relayer (queue for cron job)
CREATE TABLE IF NOT EXISTS btc_blocks (
	hash TEXT NOT NULL,
	height INTEGER NOT NULL,
	network TEXT NOT NULL,
	is_scanned INTEGER NOT NULL DEFAULT 0,  -- 0 = not scanned, 1 = scanned
	processed_at INTEGER,  -- timestamp_ms
	inserted_at INTEGER, -- timestamp_ms
	PRIMARY KEY (height, network)
) STRICT;

CREATE INDEX IF NOT EXISTS btc_blocks_is_scanned_height ON btc_blocks (is_scanned, height);

---------- NBTC Minting and Withdrawal ----------

-- This table tracks the nBTC deposit txs (minting)
CREATE TABLE IF NOT EXISTS nbtc_minting (
	tx_id TEXT NOT NULL PRIMARY KEY,
	address_id INTEGER NOT NULL,  -- nbtc pkg is linked through address_id -> nbtc_deposit_addresses.setup_id
	sender TEXT NOT NULL,
	vout INTEGER NOT NULL,
	block_hash TEXT,
	block_height INTEGER,
	sui_recipient TEXT NOT NULL,
	amount INTEGER NOT NULL,
	status TEXT NOT NULL, -- 'broadcasting' | 'confirming' | 'finalized' | 'minting' | 'minted' | 'reorg'
	created_at INTEGER NOT NULL, -- timestamp_ms
	updated_at INTEGER NOT NULL, -- timestamp_ms
	sui_tx_id TEXT,
	retry_count INTEGER NOT NULL DEFAULT 0,
	FOREIGN KEY (address_id) REFERENCES nbtc_deposit_addresses(id)
) STRICT;

CREATE INDEX IF NOT EXISTS nbtc_minting_status ON nbtc_minting (address_id, status);
CREATE INDEX IF NOT EXISTS nbtc_minting_sui_recipient ON nbtc_minting (sui_recipient, created_at);
CREATE INDEX IF NOT EXISTS nbtc_minting_sender ON nbtc_minting (sender);

-- This table holds the config for nBTC setups.
CREATE TABLE IF NOT EXISTS setups (
	id INTEGER PRIMARY KEY,
	btc_network TEXT NOT NULL,
	sui_network TEXT NOT NULL,
	nbtc_pkg TEXT NOT NULL,
	nbtc_contract TEXT NOT NULL,
	lc_pkg TEXT NOT NULL,
	lc_contract TEXT NOT NULL,
	nbtc_fallback_addr TEXT NOT NULL,
	ika_pkg TEXT, -- Ika coordinator pkg
	is_active INTEGER NOT NULL DEFAULT TRUE,
	UNIQUE(sui_network, btc_network, nbtc_pkg)
) STRICT;

CREATE TABLE IF NOT EXISTS nbtc_deposit_addresses (
	id INTEGER PRIMARY KEY,
	setup_id INTEGER NOT NULL,
	deposit_address TEXT NOT NULL,
	is_active INTEGER NOT NULL DEFAULT 1,
	FOREIGN KEY (setup_id) REFERENCES setups(id) ON DELETE CASCADE,
	-- make sure we don't share bitcoin deposit address between setups
	UNIQUE(deposit_address)
) STRICT;

CREATE TABLE IF NOT EXISTS nbtc_utxos (
	nbtc_utxo_id INTEGER NOT NULL PRIMARY KEY, -- Sui ID asigned to this UTXO
	-- TODO: This is an ID assigned by the smart contract. The primary key should be a combination of (setup_id, nbtc_utxo_id)
	address_id INTEGER NOT NULL,
	dwallet_id TEXT NOT NULL,
	txid TEXT NOT NULL, -- Bitcoin transaction ID
	vout INTEGER NOT NULL,
	amount INTEGER NOT NULL,
	script_pubkey BLOB NOT NULL,
	status TEXT NOT NULL DEFAULT 'available', -- 'available', 'locked', 'spent' TODO: lets remove the 'spent' utxos after some time?
	locked_until INTEGER,
	FOREIGN KEY (address_id) REFERENCES nbtc_deposit_addresses(id)
) STRICT;

CREATE INDEX IF NOT EXISTS nbtc_utxos_selection ON nbtc_utxos(address_id, status, amount);
CREATE INDEX IF NOT EXISTS _nbtc_utxos_txid_vout ON nbtc_utxos(txid, vout);

CREATE TABLE IF NOT EXISTS nbtc_redeem_requests (
	redeem_id INTEGER NOT NULL PRIMARY KEY,
	setup_id INTEGER NOT NULL,
	redeemer TEXT NOT NULL,
	recipient_script BLOB NOT NULL, -- script pubkey
	amount INTEGER NOT NULL,
	created_at INTEGER NOT NULL,
	sui_tx TEXT NOT NULL,
	btc_tx TEXT, -- null if not broadcasted
	status TEXT NOT NULL DEFAULT 'pending', -- 'pending', 'proposed', 'solved', 'signed', 'broadcasting', 'confirming'
	btc_block_height INTEGER,
	btc_block_hash TEXT,
	btc_broadcasted_at INTEGER,
	FOREIGN KEY (setup_id) REFERENCES setups(id)
) STRICT;

CREATE INDEX IF NOT EXISTS nbtc_redeem_requests_redeemer ON nbtc_redeem_requests (setup_id, redeemer);
CREATE INDEX IF NOT EXISTS nbtc_redeem_requests_btc_tx ON nbtc_redeem_requests (btc_tx);

CREATE TABLE IF NOT EXISTS nbtc_redeem_solutions (
	redeem_id INTEGER NOT NULL, -- Reference to nbtc_redeem_requests (u64 from nbtc contract)
	utxo_id INTEGER NOT NULL, -- Reference to nbtc_utxos
	input_index INTEGER NOT NULL, -- The position of UTXO in the btc tx inputs
	dwallet_id TEXT NOT NULL, -- The dWallet identifier this input
	sign_id TEXT, -- Ika signature request identifier
	verified INTEGER NOT NULL DEFAULT 0,
	created_at INTEGER NOT NULL,
	PRIMARY KEY (redeem_id, utxo_id),
	FOREIGN KEY (redeem_id) REFERENCES nbtc_redeem_requests(redeem_id),
	FOREIGN KEY (utxo_id) REFERENCES nbtc_utxos(nbtc_utxo_id)
) STRICT;

CREATE INDEX IF NOT EXISTS nbtc_redeem_solutions_redeem_id ON nbtc_redeem_solutions(redeem_id);

CREATE TABLE IF NOT EXISTS indexer_state (
	setup_id INTEGER PRIMARY KEY,
	nbtc_cursor TEXT NOT NULL, -- last processed cursor state
	ika_cursor TEXT, -- IKA coordinator cursor 
	updated_at INTEGER, -- epoch time in ms
	FOREIGN KEY (setup_id) REFERENCES setups(id)
) STRICT;

CREATE TABLE IF NOT EXISTS presign_objects (
	presign_id TEXT NOT NULL PRIMARY KEY,
	sui_network TEXT NOT NULL, -- for simplicity, we can reuse the presigns between the setups in the same network
	created_at INTEGER NOT NULL
) STRICT;

CREATE INDEX IF NOT EXISTS presign_objects_sui_network_created_at ON presign_objects(sui_network, created_at);

CREATE TABLE IF NOT EXISTS cron_locks (
	lock_name TEXT NOT NULL PRIMARY KEY,
	acquired_at INTEGER NOT NULL,
	expires_at INTEGER NOT NULL
) STRICT;