Files
nutshell/cashu/mint/migrations.py
2022-10-08 15:08:20 +02:00

121 lines
2.7 KiB
Python

from cashu.core.db import Database
async def m000_create_migrations_table(db):
await db.execute(
"""
CREATE TABLE IF NOT EXISTS dbversions (
db TEXT PRIMARY KEY,
version INT NOT NULL
)
"""
)
async def m001_initial(db: Database):
await db.execute(
"""
CREATE TABLE IF NOT EXISTS promises (
amount INTEGER NOT NULL,
B_b TEXT NOT NULL,
C_b TEXT NOT NULL,
UNIQUE (B_b)
);
"""
)
await db.execute(
"""
CREATE TABLE IF NOT EXISTS proofs_used (
amount INTEGER NOT NULL,
C TEXT NOT NULL,
secret TEXT NOT NULL,
UNIQUE (secret)
);
"""
)
await db.execute(
"""
CREATE TABLE IF NOT EXISTS invoices (
amount INTEGER NOT NULL,
pr TEXT NOT NULL,
hash TEXT NOT NULL,
issued BOOL NOT NULL,
UNIQUE (hash)
);
"""
)
await db.execute(
"""
CREATE VIEW IF NOT EXISTS balance_issued AS
SELECT COALESCE(SUM(s), 0) AS balance FROM (
SELECT SUM(amount) AS s
FROM promises
WHERE amount > 0
);
"""
)
await db.execute(
"""
CREATE VIEW IF NOT EXISTS balance_used AS
SELECT COALESCE(SUM(s), 0) AS balance FROM (
SELECT SUM(amount) AS s
FROM proofs_used
WHERE amount > 0
);
"""
)
await db.execute(
"""
CREATE VIEW IF NOT EXISTS balance AS
SELECT s_issued - s_used AS balance FROM (
SELECT bi.balance AS s_issued, bu.balance AS s_used
FROM balance_issued bi
CROSS JOIN balance_used bu
);
"""
)
async def m003_mint_keysets(db: Database):
"""
Stores mint keysets from different mints and epochs.
"""
await db.execute(
f"""
CREATE TABLE IF NOT EXISTS keysets (
id TEXT NOT NULL,
mint_url TEXT,
valid_from TIMESTAMP DEFAULT {db.timestamp_now},
valid_to TIMESTAMP DEFAULT {db.timestamp_now},
first_seen TIMESTAMP DEFAULT {db.timestamp_now},
active BOOL DEFAULT TRUE,
UNIQUE (id, mint_url)
);
"""
)
await db.execute(
f"""
CREATE TABLE IF NOT EXISTS mint_pubkeys (
id TEXT NOT NULL,
amount INTEGER NOT NULL,
pubkey TEXT NOT NULL,
UNIQUE (id, pubkey)
);
"""
)