mirror of
https://github.com/aljazceru/nutshell.git
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88 lines
1.9 KiB
Python
88 lines
1.9 KiB
Python
from core.db import Database
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async def m000_create_migrations_table(db):
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await db.execute(
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"""
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CREATE TABLE IF NOT EXISTS dbversions (
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db TEXT PRIMARY KEY,
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version INT NOT NULL
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)
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"""
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)
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async def m001_initial(db: Database):
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await db.execute(
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"""
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CREATE TABLE IF NOT EXISTS promises (
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amount INTEGER NOT NULL,
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B_b TEXT NOT NULL,
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C_b TEXT NOT NULL,
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UNIQUE (B_b)
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);
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"""
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)
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await db.execute(
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"""
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CREATE TABLE IF NOT EXISTS proofs_used (
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amount INTEGER NOT NULL,
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C TEXT NOT NULL,
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secret TEXT NOT NULL,
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UNIQUE (secret)
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);
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"""
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)
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await db.execute(
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"""
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CREATE TABLE IF NOT EXISTS invoices (
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amount INTEGER NOT NULL,
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pr TEXT NOT NULL,
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hash TEXT NOT NULL,
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issued BOOL NOT NULL,
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UNIQUE (hash)
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);
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"""
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)
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await db.execute(
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"""
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CREATE VIEW IF NOT EXISTS balance_issued AS
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SELECT COALESCE(SUM(s), 0) AS balance FROM (
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SELECT SUM(amount) AS s
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FROM promises
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WHERE amount > 0
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);
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"""
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)
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await db.execute(
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"""
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CREATE VIEW IF NOT EXISTS balance_used AS
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SELECT COALESCE(SUM(s), 0) AS balance FROM (
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SELECT SUM(amount) AS s
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FROM proofs_used
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WHERE amount > 0
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);
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"""
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)
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await db.execute(
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"""
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CREATE VIEW IF NOT EXISTS balance AS
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SELECT s_issued - s_used AS balance FROM (
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SELECT bi.balance AS s_issued, bu.balance AS s_used
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FROM balance_issued bi
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CROSS JOIN balance_used bu
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);
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"""
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)
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