`asset_id` int(11) NOT NULL,
`asset_amount` bigint(20) DEFAULT '0',
`script` varchar(128) NOT NULL,
+ `from_address` varchar(128) NOT NULL DEFAULT '',
+ `to_address` varchar(128) NOT NULL DEFAULT '',
`created_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
`updated_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
PRIMARY KEY (`id`),