从tic.common转化而来,彻底脱离对 Base/*, _Ling.js 的依赖,只保留并提供 Action及其子类。
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.gitignore
vendored
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7
.gitignore
vendored
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# 以'#'开始的行,被视为注释.
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node_modules
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package-lock.json
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.vscode
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.svn
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~*
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.gitattributes
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6
index.js
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index.js
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const Action = require('./ling/Action.js')
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const ActTransfer = require('./ling/ActTransfer.js')
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module.exports = {
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Action,
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ActTransfer
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}
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40
ling/ActTransfer.js
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ling/ActTransfer.js
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const Action = require('./Action.js')
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const Ticrypto = wo&&wo.Crypto?wo.Crypto:require('tic.crypto')
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/******************** Public of instance ********************/
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const DAD=module.exports=function ActTransfer(prop) {
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this._class='ActTransfer'
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this.setProp(prop) // 没有定义 ActTransfer.prototype._model,因此继承了上级Action.prototype._model,因此通过this.setProp,继承了上级Action定义的实例自有数据。另一个方案是,调用 Action.call(this, prop)
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this.type='ActTransfer'
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}
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DAD.__proto__= Action
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// DAD._table=DAD.name // 注释掉,从而继承父类Action的数据库表格名
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const MOM=DAD.prototype
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MOM.__proto__=Action.prototype
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/******************** Shared by instances ********************/
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MOM.validate=function(){
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// return Ticrypto.isAddress(this.toAddress)
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return Ticrypto.isAddress(this.toAddress) && this.fee>=wo.Config.MIN_FEE_ActTransfer
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// && wo.Account.accountPool[this.actorAddress].balance>this.amount+this.fee //Todo:引入缓存账户
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&&this.toAddress != this.actorAddress
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}
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MOM.execute=async function(){
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let sender= await wo.Account.getOne({Account: { address: this.actorAddress }})
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if (sender && sender.type !== 'multisig' && this.toAddress != this.actorAddress && sender.balance >= this.amount + this.fee){
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await sender.setMe({Account:{ balance: sender.balance-this.amount-this.fee }, cond:{ address:sender.address}})
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let getter= await wo.Account.getOne({Account: { address: this.toAddress }}) || await wo.Account.addOne({Account: { address: this.toAddress }})
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await getter.setMe({Account:{ balance: getter.balance+this.amount }, cond:{ address:getter.address}})
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// mylog.info('Excecuted action='+JSON.stringify(this))
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return this
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}
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// mylog.info('balance('+sender.address+')='+sender.balance+' is less than '+this.amount+', 无法转账')
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return null
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}
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/******************** Public of class ********************/
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DAD.api={}
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123
ling/Action.js
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123
ling/Action.js
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const Ling = wo&&wo.Ling?wo.Ling:require('fon.ling')
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const Ticrypto = wo&&wo.Crypto?wo.Crypto:require('tic.crypto')
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/******************** Public of instance ********************/
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const DAD=module.exports=function Action(prop) {
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this._class=this.constructor.name
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this.setProp(prop)
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}
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DAD.__proto__=Ling
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DAD._table=DAD.name
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const MOM=DAD.prototype
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MOM.__proto__=Ling.prototype
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/******************** Shared by instances ********************/
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MOM._tablekey='hash'
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MOM._model= {
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hash: { default:undefined, sqlite:'TEXT UNIQUE', mysql:'VARCHAR(64) PRIMARY KEY' }, // 不纳入签名和哈希
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version: { default:0, sqlite:'INTEGER' },
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type: { default:'Action', sqlite:'TEXT', mysql:'VARCHAR(100)' }, // 是否放在 assets里更好?这里该放action自己的version
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blockHash: { default:undefined, sqlite:'TEXT', mysql:'VARCHAR(64)' }, // 不纳入签名和哈希。只为了方便查找
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timestamp: { default:undefined, sqlite:'TEXT', mysql:'CHAR(24)' },
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actorPubkey: { default:undefined, sqlite:'TEXT', mysql:'BINARY(32)' },
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actorAddress: { default:undefined, sqlite:'TEXT', mysql:'VARCHAR(50)' },
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actorSignature:{ default:undefined, sqlite:'TEXT', mysql:'BINARY(64)' }, // 不纳入签名,纳入哈希
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toAddress: { default:undefined, sqlite:'TEXT', mysql:'VARCHAR(50)' },
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amount: { default:0, sqlite:'NUMERIC', mysql:'BIGINT' },
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fee: { default:0, sqlite:'NUMERIC', mysql:'BIGINT' },
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// signSignature: { default:undefined, sqlite:'TEXT', mysql:'BINARY(64)' }, // 不纳入签名,纳入哈希
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// requesterPubkey:{ default:undefined, sqlite:'TEXT', mysql:'BINARY(32)' },
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// signatures: { default:undefined, sqlite:'TEXT', mysql:'TEXT' },
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// option: { default:undefined, sqlite:'TEXT', mysql:'VARCHAR(4096)' },
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// act: { default:null, sqlite:'TEXT' }, // 相当于 asch/lisk里的asset
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message: { default:undefined, sqlite:'TEXT', mysql:'VARCHAR(256)' },
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dataIndex: { default:undefined, sqlite:'TEXT', mysql:'VARCHAR(50)'}, //用于索引json中存储数据,
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json: { default:{}, sqlite:'TEXT' } // 开发者自定义字段,可以用json格式添加任意数据,而不破坏整体结构
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}
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MOM.packMe = function(keypair){ // 由前端调用,后台不创建
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this.actorPubkey=keypair.pubkey
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this.actorAddress=Ticrypto.pubkey2address(keypair.pubkey)
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this.timestamp=new Date()
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this.signMe(keypair.seckey)
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this.hashMe()
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return this
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}
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MOM.signMe = function(seckey){ // 由前端调用,后台不该进行签名
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let json=this.getJson({exclude:['hash','blockHash','actorSignature']}) // 是前端用户发起事务时签字,这时候还不知道进入哪个区块,所以不能计入blockHash
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this.actorSignature=Ticrypto.sign(json, seckey)
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return this
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}
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MOM.verifySig = function(){
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let json=this.getJson({exclude:['hash','blockHash','actorSignature']})
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let res=Ticrypto.verify(json, this.actorSignature, this.actorPubkey)
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return res
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}
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MOM.verifyAddress = function(){
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return this.actorAddress===Ticrypto.pubkey2address(this.actorPubkey)
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}
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MOM.hashMe = function(){
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this.hash=Ticrypto.hash(this.getJson({exclude:['hash', 'blockHash']})) // block.hash 受到所包含的actionList影响,所以action不能受blockHash影响,否则循环了
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return this
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}
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MOM.verifyHash = function(){
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return this.hash===Ticrypto.hash(this.getJson({exclude:['hash', 'blockHash']}))
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}
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MOM.execute=function(){ // 子类应当覆盖本方法。把action的影响,汇总登记到其他表格(用于辅助的、索引的表格),方便快速索引、处理。每种事务类型都要重定义这个方法。
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// save to account or other tables
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return this
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}
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MOM.validate=function(){ // 子类应当覆盖本方法
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return true
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}
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MOM.calculateFee = function(){
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return 1000
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}
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// DAD._init=async function(){
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// await DAD.__proto__._init() // create database table at first
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// await DAD.actionLoop()
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// return this
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// }
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/*********************** Public of class *******************/
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DAD.api={}
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DAD.api.getAction=async function(option){
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return await DAD.getOne(option)
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}
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DAD.api.getActionList=async function(option){
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return await DAD.getAll(option)
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}
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DAD.api.prepare=async function(option){ // 前端发来action数据,进行初步检查(不检查是否可执行--这和事务类型、执行顺序有关,只检查格式是否有效--这是所有事务通用的规范)后放入缓冲池。
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if (option && option.Action && option.Action.type && option.Action.hash && !DAD.actionPool[option.Action.hash]) {
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let action=new wo[option.Action.type](option.Action) // 一次性把option.Action里送来的参数导入新建的action
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if (action.verifyAddress() && action.verifySig() && action.verifyHash() // 对所有Action类型都通用的验证
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&& action.validate()) { // 各子类特有的验证
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// mylog.info('Received action='+JSON.stringify(action))
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DAD.actionPool[action.hash]=action
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wo.Peer.broadcast('/Action/prepare', option)
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return action
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}
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}
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return null // 非法的交易数据
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}
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/********************** Private in class *******************/
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DAD.actionPool={} // 随时不断接收新的交易请求
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const my = {
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}
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11
package.json
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11
package.json
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{
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"name": "tic.common",
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"version": "0.1.5",
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"dependencies": {
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"fon.ling": "git+https://git.faronear.org/fon/fon.ling",
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"tic.crypto": "git+https://git.faronear.org/tic/tic.crypto"
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},
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"devDependencies": {},
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"scripts": {},
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"author": ""
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}
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