83 lines
2.6 KiB
MySQL
83 lines
2.6 KiB
MySQL
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-- This is an empty migration.
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CREATE OR REPLACE FUNCTION create_withdrawl(lnd_id TEXT, invoice TEXT, msats_amount INTEGER, msats_max_fee INTEGER, username TEXT)
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RETURNS "Withdrawl"
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LANGUAGE plpgsql
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AS $$
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DECLARE
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user_id INTEGER;
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user_msats INTEGER;
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withdrawl "Withdrawl";
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BEGIN
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PERFORM ASSERT_SERIALIZED();
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SELECT msats, id INTO user_msats, user_id FROM users WHERE name = username;
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IF (msats_amount + msats_max_fee) > user_msats THEN
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RAISE EXCEPTION 'SN_INSUFFICIENT_FUNDS';
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END IF;
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IF EXISTS (SELECT 1 FROM "Withdrawl" WHERE hash = lnd_id AND status IS NULL) THEN
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RAISE EXCEPTION 'SN_PENDING_WITHDRAWL_EXISTS';
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END IF;
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IF EXISTS (SELECT 1 FROM "Withdrawl" WHERE hash = lnd_id AND status = 'CONFIRMED') THEN
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RAISE EXCEPTION 'SN_CONFIRMED_WITHDRAWL_EXISTS';
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END IF;
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INSERT INTO "Withdrawl" (hash, bolt11, "msatsPaying", "msatsFeePaying", "userId", created_at, updated_at)
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VALUES (lnd_id, invoice, msats_amount, msats_max_fee, user_id, now_utc(), now_utc()) RETURNING * INTO withdrawl;
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UPDATE users SET msats = msats - msats_amount - msats_max_fee WHERE id = user_id;
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RETURN withdrawl;
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END;
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$$;
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CREATE OR REPLACE FUNCTION confirm_withdrawl(wid INTEGER, msats_paid INTEGER, msats_fee_paid INTEGER)
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RETURNS INTEGER
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LANGUAGE plpgsql
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AS $$
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DECLARE
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msats_fee_paying INTEGER;
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user_id INTEGER;
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BEGIN
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PERFORM ASSERT_SERIALIZED();
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IF EXISTS (SELECT 1 FROM "Withdrawl" WHERE id = wid AND status IS NULL) THEN
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SELECT "msatsFeePaying", "userId" INTO msats_fee_paying, user_id
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FROM "Withdrawl" WHERE id = wid AND status IS NULL;
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UPDATE "Withdrawl"
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SET status = 'CONFIRMED', "msatsPaid" = msats_paid,
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"msatsFeePaid" = msats_fee_paid, updated_at = now_utc()
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WHERE id = wid AND status IS NULL;
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UPDATE users SET msats = msats + (msats_fee_paying - msats_fee_paid) WHERE id = user_id;
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END IF;
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RETURN 0;
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END;
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$$;
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CREATE OR REPLACE FUNCTION reverse_withdrawl(wid INTEGER, wstatus "WithdrawlStatus")
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RETURNS INTEGER
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LANGUAGE plpgsql
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AS $$
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DECLARE
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msats_fee_paying INTEGER;
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msats_paying INTEGER;
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user_id INTEGER;
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BEGIN
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PERFORM ASSERT_SERIALIZED();
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IF EXISTS (SELECT 1 FROM "Withdrawl" WHERE id = wid AND status IS NULL) THEN
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SELECT "msatsPaying", "msatsFeePaying", "userId" INTO msats_paying, msats_fee_paying, user_id
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FROM "Withdrawl" WHERE id = wid AND status IS NULL;
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UPDATE "Withdrawl" SET status = wstatus, updated_at = now_utc() WHERE id = wid AND status IS NULL;
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UPDATE users SET msats = msats + msats_paying + msats_fee_paying WHERE id = user_id;
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END IF;
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RETURN 0;
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END;
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$$;
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