mirror of
https://gitee.com/BTAJL/repchain.git
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89 lines
2.5 KiB
XML
89 lines
2.5 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!--
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~ Copyright 2018 Blockchain Technology and Application Joint Lab, Linkel Technology Co., Ltd, Beijing, Fintech Research Center of ISCAS.
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~ Licensed under the Apache License, Version 2.0 (the "License");
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~ you may not use this file except in compliance with the License.
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~ You may obtain a copy of the License at
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~
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~ http://www.apache.org/licenses/LICENSE-2.0
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~
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~ Unless required by applicable law or agreed to in writing, software
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~ distributed under the License is distributed on an "AS IS" BA SIS,
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~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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~ See the License for the specific language governing permissions and
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~ limitations under the License.
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~
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-->
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<CSpec>
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<stype>1</stype>
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<idPath></idPath>
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<idName></idName>
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<iptFunc></iptFunc>
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<iptArgs>
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</iptArgs>
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<timeout>0</timeout>
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<secureContext>string</secureContext>
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<code>
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<![CDATA[
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import org.json4s._
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import org.json4s.jackson.JsonMethods._
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import rep.sc.contract._
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/**
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* 资产管理合约
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*/
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class ContractAssetsTPL extends IContract{
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case class Transfer(from:String, to:String, amount:Int)
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implicit val formats = DefaultFormats
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def init(ctx: ContractContext){
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println(s"tid: $ctx.t.txid")
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}
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def set(ctx: ContractContext, data:Map[String,Int]):Object={
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println(s"set data:$data")
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for((k,v)<-data){
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ctx.api.setVal(k, v)
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}
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null
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}
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def transfer(ctx: ContractContext, data:Transfer):Object={
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val sfrom = ctx.api.getVal(data.from)
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var dfrom =sfrom.toString.toInt
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if(dfrom < data.amount)
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throw new Exception("余额不足")
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var dto = ctx.api.getVal(data.to).toString.toInt
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//if(dto==null) dto = 0;
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ctx.api.setVal(data.from,dfrom - data.amount)
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ctx.api.setVal(data.to,dto + data.amount)
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"transfer ok"
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}
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/**
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* 根据action,找到对应的method，并将传入的json字符串parse为method需要的传入参数
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*/
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def onAction(ctx: ContractContext,action:String, sdata:String ):Object={
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//println(s"onAction---")
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//return "transfer ok"
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val json = parse(sdata)
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action match {
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case "transfer" =>
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println(s"transfer oook")
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transfer(ctx,json.extract[Transfer])
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case "set" =>
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println(s"set")
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set(ctx, json.extract[Map[String,Int]])
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}
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}
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}
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]]>
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</code>
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<ctype>1</ctype>
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</CSpec> |