Files
nutshell/wallet/crud.py
callebtc e18021cb9e fastapi
2022-09-13 16:06:40 +03:00

70 lines
1.3 KiB
Python

import secrets
from typing import Optional
from core.db import Connection, Database
# from wallet import db
from core.base import Proof
async def store_proof(
proof: Proof,
db: Database,
conn: Optional[Connection] = None,
):
await (conn or db).execute(
"""
INSERT INTO proofs
(amount, C_x, C_y, secret)
VALUES (?, ?, ?, ?)
""",
(
proof["amount"],
str(proof["C"]["x"]),
str(proof["C"]["y"]),
str(proof["secret"]),
),
)
async def get_proofs(
db: Database,
conn: Optional[Connection] = None,
):
rows = await (conn or db).fetchall(
"""
SELECT * from proofs
"""
)
return [Proof.from_row(r) for r in rows]
async def invalidate_proof(
proof: dict,
db: Database,
conn: Optional[Connection] = None,
):
await (conn or db).execute(
f"""
DELETE FROM proofs
WHERE secret = ?
""",
str(proof["secret"]),
)
await (conn or db).execute(
"""
INSERT INTO proofs_used
(amount, C_x, C_y, secret)
VALUES (?, ?, ?, ?)
""",
(
proof["amount"],
str(proof["C"]["x"]),
str(proof["C"]["y"]),
str(proof["secret"]),
),
)