operator

Layer2 Operator

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Layer2 operator is a security daemon that runs on Layer2. It monitors the Layer2 and Ontology main chain token transfer transactions and periodically sends the Layer2 state to the Ontology main chain as proof.

Operator Installation

Installing MySQL

Install MySQL on a suitable platform. For details on how to download and install MySQL please refer to https://www.mysql.com/products/community/

After successfully installing and initializing the database system, create the Layer2 database in the following manner:

CREATE SCHEMA IF NOT EXISTS `layer2` DEFAULT CHARACTER SET utf8;
USE `layer2`;

DROP TABLE IF EXISTS `chain_info`;
CREATE TABLE `chain_info` (
 `name` VARCHAR(100) NOT NULL COMMENT '链名称',
 `id`  INT(4) NOT NULL COMMENT '链id',
 `height` INT(4) NOT NULL COMMENT '解析的区块高度',
 PRIMARY KEY (`id`)
) ENGINE=INNODB DEFAULT CHARSET=utf8;

INSERT INTO `chain_info`(`name`,`id`,`height`) VALUES("ontology",1,0);
INSERT INTO `chain_info`(`name`,`id`,`height`) VALUES("layer2",2,0);

DROP TABLE IF EXISTS `deposit`;
CREATE TABLE `deposit` (
 `txhash`  VARCHAR(256) NOT NULL COMMENT '交易hash',
 `tt` INT(4) NOT NULL COMMENT '交易时间',
 `state` INT(1) NOT NULL COMMENT '交易状态',
 `height` INT(4) NOT NULL COMMENT '交易的高度',
 `fromaddress` VARCHAR(256) NOT NULL COMMENT '地址',
 `amount` BIGINT(8) NOT NULL COMMENT 'deposit的金额',
 `tokenaddress` VARCHAR(256) NOT NULL COMMENT '币地址',
 `id` INT(4) NOT NULL COMMENT '交易的ID',
 `layer2txhash` VARCHAR(256) DEFAULT NULL COMMENT 'layer2交易hash',
 PRIMARY KEY (`id`),
 UNIQUE (`txhash`)
) ENGINE=INNODB DEFAULT CHARSET=utf8;


DROP TABLE IF EXISTS `withdraw`;
CREATE TABLE `withdraw` (
 `txhash`  VARCHAR(256) NOT NULL COMMENT '交易hash',
 `tt` INT(4) NOT NULL COMMENT '交易时间',
 `state` INT(1) NOT NULL COMMENT '交易状态',
 `height` INT(4) NOT NULL COMMENT '交易的高度',
 `toaddress` VARCHAR(256) NOT NULL COMMENT '地址',
 `amount` BIGINT(8) NOT NULL COMMENT 'deposit的金额',
 `tokenaddress` VARCHAR(256) NOT NULL COMMENT '币地址',
 `ontologytxhash` VARCHAR(256) DEFAULT NULL COMMENT '交易hash',
 PRIMARY KEY (`txhash`)
) ENGINE=INNODB DEFAULT CHARSET=utf8;

DROP TABLE IF EXISTS `layer2tx`;
CREATE TABLE `layer2tx` (
 `txhash`  VARCHAR(256) NOT NULL COMMENT '交易hash',
 `state` INT(1) NOT NULL COMMENT '交易状态',
 `tt` INT(4) NOT NULL COMMENT '交易时间',
 `fee` BIGINT(8) NOT NULL COMMENT '交易手续费',
 `height` INT(4) NOT NULL COMMENT '交易的高度',
 `fromaddress` VARCHAR(256) NOT NULL COMMENT '地址',
 `tokenaddress` VARCHAR(256) NOT NULL COMMENT '执行的合约',
 `toaddress` VARCHAR(256) NOT NULL COMMENT '地址',
 `amount` BIGINT(8) NOT NULL COMMENT 'deposit的金额',
 PRIMARY KEY (`txhash`)
) ENGINE=INNODB DEFAULT CHARSET=utf8;

DROP TABLE IF EXISTS `layer2commit`;
CREATE TABLE `layer2commit` (
 `txhash`  VARCHAR(256) NOT NULL COMMENT '交易hash',
 `layer2height` INT(4) DEFAULT 0 COMMENT '交易的高度',
 `layer2msg` VARCHAR(1024) NOT NULL COMMENT 'laeyr2 msg',
 PRIMARY KEY (`txhash`)
) ENGINE=INNODB DEFAULT CHARSET=utf8;

Compilation

Run the following command in the directory with the main.go file.

cd $gopath/src/github.com/ontio
git clone https://github.com/ontio/layer2/
cd ./layer2/operator
go build