-- !txn
-- +up
CREATE TABLE `rewards`
(
    `gid`         INTEGER PRIMARY KEY AUTOINCREMENT,

    -- for exchange
    `exchange`    VARCHAR(24)    NOT NULL DEFAULT '',

    -- reward record id
    `uuid`        VARCHAR(32)    NOT NULL,
    `reward_type` VARCHAR(24)    NOT NULL DEFAULT '',

    -- currency symbol, BTC, MAX, USDT ... etc
    `currency`    VARCHAR(5)     NOT NULL,

    -- the quantity of the rewards
    `quantity`    DECIMAL(16, 8) NOT NULL,

    `state`       VARCHAR(5)     NOT NULL,

    `created_at`  DATETIME       NOT NULL,

    `spent`       BOOLEAN        NOT NULL DEFAULT FALSE,

    `note`        TEXT           NULL
);

-- +down
DROP TABLE IF EXISTS `rewards`;