81 lines
2.5 KiB
PL/PgSQL
81 lines
2.5 KiB
PL/PgSQL
CREATE TABLE users(
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id SERIAL PRIMARY KEY,
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name TEXT UNIQUE NOT NULL DEFAULT LEFT(md5(random()::text), 8),
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created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
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ln_pubkey TEXT UNIQUE,
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nostr_pubkey TEXT UNIQUE,
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msats BIGINT NOT NULL DEFAULT 0
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);
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CREATE TABLE sessions(
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id VARCHAR(48) PRIMARY KEY,
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user_id INTEGER NOT NULL REFERENCES users(id),
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created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP
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);
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CREATE TABLE lnauth(
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k1 VARCHAR(64) PRIMARY KEY,
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created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
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lnurl TEXT NOT NULL,
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session_id VARCHAR(48) NOT NULL DEFAULT encode(gen_random_uuid()::text::bytea, 'base64')
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);
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CREATE TABLE invoices(
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id SERIAL PRIMARY KEY,
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user_id INTEGER NOT NULL REFERENCES users(id),
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msats BIGINT NOT NULL,
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msats_received BIGINT,
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hash TEXT NOT NULL UNIQUE,
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bolt11 TEXT NOT NULL,
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created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
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expires_at TIMESTAMP WITH TIME ZONE NOT NULL,
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confirmed_at TIMESTAMP WITH TIME ZONE,
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held_since TIMESTAMP WITH TIME ZONE,
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description TEXT
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);
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CREATE TABLE markets(
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id SERIAL PRIMARY KEY,
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created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
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question TEXT NOT NULL,
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description TEXT,
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end_date TIMESTAMP WITH TIME ZONE NOT NULL,
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settled_at TIMESTAMP WITH TIME ZONE,
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user_id INTEGER NOT NULL REFERENCES users(id),
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invoice_id INTEGER NOT NULL UNIQUE REFERENCES invoices(id),
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lmsr_b FLOAT NOT NULL
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);
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CREATE TABLE orders(
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id SERIAL PRIMARY KEY,
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created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
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market_id INTEGER NOT NULL REFERENCES markets(id),
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user_id INTEGER NOT NULL REFERENCES users(id),
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quantity BIGINT NOT NULL,
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outcome INTEGER NOT NULL,
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invoice_id INTEGER REFERENCES invoices(id)
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);
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CREATE TABLE withdrawals(
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id SERIAL PRIMARY KEY,
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created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
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canceled_at TIMESTAMP WITH TIME ZONE,
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user_id INTEGER NOT NULL REFERENCES users(id),
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bolt11 TEXT NOT NULL UNIQUE,
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paid_at TIMESTAMP WITH TIME ZONE
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);
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CREATE FUNCTION lmsr(b FLOAT, q1 FLOAT, q2 FLOAT)
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RETURNS FLOAT AS $$
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BEGIN
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RETURN b * LN(EXP(q1 / b) + EXP(q2 / b));
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END;
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$$ LANGUAGE plpgsql;
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CREATE FUNCTION quote(b FLOAT, q1 FLOAT, q2 FLOAT, dq1 FLOAT)
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RETURNS FLOAT AS $$
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BEGIN
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RETURN lmsr(b, q1+dq1, q2) - lmsr(b, q1, q2);
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END;
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$$ LANGUAGE plpgsql;
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