# 基于FiscoBcos的java-sdk实现区块链服务
## 项目结构
基于spring-boot的mvn项目
![001.png](https://github.com/hongfish/fish1208-fiscobcos-javasdk/blob/main/src/main/resources/image/001.png)
* conf 链证书、机构证书、机构私钥、账户
![002.png](https://github.com/hongfish/fish1208-fiscobcos-javasdk/blob/main/src/main/resources/image/002.png)
* contract 应用合约,sol文件
![003.png](https://github.com/hongfish/fish1208-fiscobcos-javasdk/blob/main/src/main/resources/image/003.png)
* application-dev.yml
```
channel-service:
group-id: 1 # sdk实际连接的群组
config-toml:
config-path: classpath:config.toml #区块链集群的配置文件
contract-address:
kVPerson: "0x3cc40ecd5000f58c3458fef29b91114bd5e18da3" #合约地址
```
* config.toml
```
[cryptoMaterial]
certPath = "conf"
caCert = "conf/ca.crt" #链证书
sslCert = "conf/sdk.crt" #机构证书
sslKey = "conf/sdk.key" #机构私钥
#enSslCert = "conf/gm/gmensdk.crt" #集群为国密版,则需要配置
#enSslKey = "conf/gm/gmensdk.key"
[network]
peers=["192.168.160.135:20200", "192.168.160.135:20201"] #节点ip:port
[account]
keyStoreDir = "account"
accountFilePath = "conf/0x9ff96dcf17f27ddd643c23bc1236733aa92a1f20.pem"
accountFileFormat = "pem"
accountAddress = "0x9ff96dcf17f27ddd643c23bc1236733aa92a1f20" #账户
```
* pom.xml
引用fisco-bcos-java-sdk的2.7.1版本
![004.png](https://github.com/hongfish/fish1208-fiscobcos-javasdk/blob/main/src/main/resources/image/004.png)
## 拷贝证书
### 集群的链证书、机构证书、机构私钥复制项目conf文件下
![005.png](https://github.com/hongfish/fish1208-fiscobcos-javasdk/blob/main/src/main/resources/image/005.png)
### 控制台下账户复制项目conf文件下
![006.png](https://github.com/hongfish/fish1208-fiscobcos-javasdk/blob/main/src/main/resources/image/006.png)
## 控制台部署合约
![007.png](https://github.com/hongfish/fish1208-fiscobcos-javasdk/blob/main/src/main/resources/image/007.png)
```
deploy KVPerson
transaction hash: 0x72908963644b7e897bf03d0a9ddb9f76428f5b1684aee89eb251d0adf15bdb75
contract address: 0x3cc40ecd5000f58c3458fef29b91114bd5e18da3
```
### 拷贝合约地址
把合约地址复制到项目的application-dev.yml配置文件里,通过合约地址来加载合约,获取合约对象。
![008.png](https://github.com/hongfish/fish1208-fiscobcos-javasdk/blob/main/src/main/resources/image/008.png)
### 生成java文件
1. 合约转换成java文件
```
./sol2java.sh com.fish1208.contract ~/console-all/console-A/contracts/solidity/KVPerson.sol ~/console-all/console-A/contracts/console/
```
![009.png](https://github.com/hongfish/fish1208-fiscobcos-javasdk/blob/main/src/main/resources/image/009.png)
2. 将转换后的java文件复制到项目com.fish1208.contract包里
![010.png](https://github.com/hongfish/fish1208-fiscobcos-javasdk/blob/main/src/main/resources/image/010.png)
## 代码开发
### BcosSDKConfig.java
通过config-toml.toml配置文件获取BcosSDK对象
### ClientConfig.java
通过application-dev.yml配置文件的channel-service得到群组,获取Client连接
### ContractConfig.java
通过application-dev.yml配置文件的contract-address得到合约地址,用来加载合约,获取合约对象
### PersonController.java
调用合约的set、get方法,进行数据上链、链上数据查询。
## 项目启动
![011.png](https://github.com/hongfish/fish1208-fiscobcos-javasdk/blob/main/src/main/resources/image/011.png)
## 调用接口
### 执行KVPerson合约set方法
http://127.0.0.1:7022/contract/person/set
**请求**
```$xslt
POST /contract/person/set HTTP/1.1
Content-Type: application/json
{
"id":"1",
"name":"袁洪相",
"age":100,
"sex":"男"
}
```
![012.png](https://github.com/hongfish/fish1208-fiscobcos-javasdk/blob/main/src/main/resources/image/012.png)
### 执行KVPerson合约get方法
http://127.0.0.1:7022/contract/person/get?id=1
**请求**
```$xslt
GET /contract/person/get HTTP/1.1
id=1
```
![013.png](https://github.com/hongfish/fish1208-fiscobcos-javasdk/blob/main/src/main/resources/image/013.png)
## Github地址
https://github.com/hongfish/fish1208-fiscobcos-javasdk
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基于FiscoBcos的java-sdk实现.zip
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