41 lines
1.5 KiB
JavaScript
41 lines
1.5 KiB
JavaScript
const Action = require('./Action.js')
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/** ****************** Public of instance ********************/
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const DAD = module.exports = function ActionStore (prop) {
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this._class = this.constructor.name
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this.setProp(prop) // 没有定义 DAD.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 = this.constructor.name
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}
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DAD.__proto__ = Action
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const MOM = DAD.prototype
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MOM.__proto__ = Action.prototype
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// MOM._table=DAD.name // 注释掉，从而继承父类Action的数据库表格名
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/** ****************** Shared by instances ********************/
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MOM.validateMe = function () {
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// check size, account balance >= fee, fee>wo.Config.MIN_FEE_ActionStore
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return (this.fee >= wo.Config.MIN_FEE_ActionStore || 0)
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}
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MOM.executableMe = async function (){
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let balance = await wo.Store.getBalance(this.actorAddress)
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return balance >= this.fee &&
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true // todo: 检查服务器上的存储容量是否还够用？
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}
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MOM.executeMe = async function () {
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let actor = await wo.Account.getOne({ Account: { address: this.actorAddress } })
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if (actor && actor.balance >= this.fee) {
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await actor.setMe({ Account: { balance: actor.balance - this.fee }, cond: { address: actor.address } }) // todo 20190409: change to use wo.Store
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return this
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}
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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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