Board logo

标题: 为基于 Hyperledger Fabric v0.6 的区块链网络开发客户端应用程序（4） [打印本页]
作者: look_w    时间: 2018-6-18 13:54     标题: 为基于 Hyperledger Fabric v0.6 的区块链网络开发客户端应用程序（4）

区块链样本客户端现在详细分析客户端代码，以了解它的工作原理：
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
function runClient(){
     
    logHelper.initialize(config.processname, config.env, config.log4js);
    logger = logHelper.getLogger('blockchain_sample_client.js');

    var user = 'vojha25';
    var affiliation = 'Bank_Home_Loan_Admin';

    var args = process.argv.slice(2);
    if(args.length >=1){
        var input = JSON.parse(args);
        if(validate.isValidString(input['user'])){
            user = input['user'];
        }
        if(validate.isValidString(input['affiliation'])){
            affiliation = input['affiliation'];
        }
    }

    setup()
    .then(function(resp){
         return bcSdk.recursiveRegister({username: user, affiliation: affiliation})
    })
    .then(function(resp){
        return bcSdk.recursiveLogin({username: user, password: resp['body']['password'] })
    })
    .then(function(resp){
        var id = Math.floor(Math.random() * (100000 - 1)) + 1;
        var maStr = '{"propertyId":"prop1","landId":"land1","permitId":"permit1","buyerId":"vojha24","personalInfo":{"firstname":"Varun","lastname":"Ojha","dob":"dob","email":"varun@gmail.com","mobile":"99999999"},"financialInfo":{"monthlySalary":162000,"otherExpenditure":0,"monthlyRent":41500,"monthlyLoanPayment":40000},"status":"Submitted","requestedAmount":4000000,"fairMarketValue":5800000,"approvedAmount":4000000,"reviewedBy":"bond","lastModifiedDate":"21/09/2016 2:30pm"}';
        var ma = JSON.parse(maStr);
        ma['id'] = 'la'+id;
        return bcSdk.createMortgageApplication({user: user, mortgageApplication: ma})

    })
    .then(function(resp){
        var ma = resp.body;
        return bcSdk.getMortgageApplication({user: user, id: ma['id']})
    })
    .then(function(resp){
        logHelper.logMessage(logger,"runClient","Fetched mortgage application",resp.body);
    })
    .catch(function(err){
        logHelper.logError(logger,"runClient","Error Occurred",err);
    })
}




上面的清单中显示的 blockchain_sample_client.js 将执行以下操作：




欢迎光临 电子技术论坛_中国专业的电子工程师学习交流社区-中电网技术论坛 (http://bbs.eccn.com/) Powered by Discuz! 7.0.0