From a536e8e11f1c835b44a81693fd5ef6215b76be54 Mon Sep 17 00:00:00 2001
From: CaiHQ <caihq@pku.edu.cn>
Date: Tue, 7 Dec 2021 17:00:03 +0800
Subject: [PATCH] add readme

---
 README.md                                     | 15 ++++++++------
 backend/.gitignore                            |  2 ++
 backend/build.gradle                          | 16 ++++++++-------
 .../org/bdware/sc/contractexample/Hello.java  | 20 ++++++++++++++++---
 4 files changed, 37 insertions(+), 16 deletions(-)

diff --git a/README.md b/README.md
index f277c14..7fcf942 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,11 @@ idea开发合约的示例。
 #### 软件架构
 软件架构说明
 
+#### 配置cp 的lib
+做一个软链接，将cp-bundle的build/output 软链接到
+backend/cplibs。
+
+
 
 #### 前端sdk说明
 1.  如何使用javascript sdk
@@ -19,11 +24,9 @@ idea开发合约的示例。
 
 #### 后端常用方法说明
 
-##### 配置cp 的lib
-
 ##### 调用相同CP的yjs代码
-
+参考：
+Hello.callYJSInSameCP
 ##### 调用其他CP的yjs代码
-
-##### 分片
-
+参考：
+Hello.callYJSInOtherCP
diff --git a/backend/.gitignore b/backend/.gitignore
index eb736a4..2643730 100644
--- a/backend/.gitignore
+++ b/backend/.gitignore
@@ -1,5 +1,7 @@
 /.DS_Store/
 /build/
+/cplibs/
+cplibs
 # Compiled class file
 *.class
 
diff --git a/backend/build.gradle b/backend/build.gradle
index 8f66307..ac97704 100644
--- a/backend/build.gradle
+++ b/backend/build.gradle
@@ -36,6 +36,8 @@ sourceSets {
 dependencies {
     api 'org.apache.logging.log4j:log4j-core:2.14.1'
     api 'org.apache.logging.log4j:log4j-api:2.14.1'
+    implementation fileTree(dir: 'cplibs', include: '*.jar')
+    implementation fileTree(dir: 'cplibs/lib/', include: '*.jar')
     testImplementation 'junit:junit:4.13.2'
 }
 
@@ -49,15 +51,15 @@ task copyYJS(type: Copy) {
     into "./build/output/"
 }
 
-task sourcesJar(type:Jar) {
+task sourcesJar(type: Jar) {
     from sourceSets.main.allJava
     archiveClassifier = 'sources'
 }
-task copyAssets(type: Copy){
+task copyAssets(type: Copy) {
     from "../front"
     into "./build/output/assets/"
 }
-task mergeJar(dependsOn: ["sourcesJar", "jar"]){
+task mergeJar(dependsOn: ["sourcesJar", "jar"]) {
     doLast {
         org.bdware.datanet.YPKPacker.mergeJar("./backend/build/libs/$project.name-${project.version}.jar",
                 "./backend/build/libs/$project.name-${project.version}-sources.jar",
@@ -68,21 +70,21 @@ task mergeJar(dependsOn: ["sourcesJar", "jar"]){
 task copyJar(type: Copy, dependsOn: ["mergeJar", ":backend:copyLibs"]) {
     from "./build/libs/$project.name-${project.version}-all.jar"
     into "./build/output"
-    rename { String fileName -> "gateway.jar" }
+    rename { String fileName -> "sc-example.jar" }
     doFirst {
         println "copyJar start"
     }
 }
 
-task buildZip(type: Zip, dependsOn: ["copyAssets","copyJar", "copyYJS"]) {
+task buildZip(type: Zip, dependsOn: ["copyAssets", "copyJar", "copyYJS"]) {
     from './build/output/'
     duplicatesStrategy = DuplicatesStrategy.INCLUDE
     archiveFileName = 'contractexample.zip'
     destinationDirectory = file('build/')
 }
 
-task buildYPK (dependsOn:["buildZip"]){
+task buildYPK(dependsOn: ["buildZip"]) {
     doLast {
-        org.bdware.datanet.YPKPacker.staticPack("./backend/build/contractexample.zip","./backend/build/contractexample.ypk")
+        org.bdware.datanet.YPKPacker.staticPack("./backend/build/contractexample.zip", "./backend/build/contractexample.ypk")
     }
 }
diff --git a/backend/src/main/java/org/bdware/sc/contractexample/Hello.java b/backend/src/main/java/org/bdware/sc/contractexample/Hello.java
index 06e6227..eca9a29 100644
--- a/backend/src/main/java/org/bdware/sc/contractexample/Hello.java
+++ b/backend/src/main/java/org/bdware/sc/contractexample/Hello.java
@@ -1,12 +1,26 @@
 package org.bdware.sc.contractexample;
+
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
+import org.bdware.sc.ContractProcess;
+import org.bdware.sc.boundry.JavaScriptEntry;
 
-public class Hello{
+public class Hello {
     private static final Logger LOGGER = LogManager.getLogger(Hello.class);
 
-    public static void main(String[]args){
+    public static void main(String[] args) {
         LOGGER.info("abc");
     }
-    public static String call(){return "hello..dafdskf";}
+
+    public static String call() {
+        return "hello..dafdskf";
+    }
+
+    public static String callYJSInSameCP() {
+        return ContractProcess.instance.executeContract("{\"action\":\"getOwner\"\",\"arg\":\"\"}");
+    }
+
+    public static Object callYJSInOtherCP() {
+        return JavaScriptEntry.executeContract("cid", "action", "arg");
+    }
 }
\ No newline at end of file