Contract – 合同区块链毕设代写

区块链毕设代写本文提供国外最新区块链项目源码下载,包括solidity,eth,fabric等blockchain区块链,Contract – 合同区块链毕设代写 是一篇很好的国外资料

Contract

The Solidity contract for the given scenarios is under contracts/Escrow.sol file.


PreReq

  1. Node.js & npm
  2. Ganache on port 7545 & contract installed
  3. web3
  4. truffle

Deploy the solidity contract

  1. Bring up the Ganache GUI/ ganache-cli
  2. deploy the contract using the truffle package
    • truffle deploy Once the contract is successfully deployed

API to run the inputs

A simple node.js script connected to local Ganache on port 7545 is written under api/app.js file

How to run the node.js script

  1. goto the folder api in the CMD
  2. run npm install
  3. Inputs file is also placed under the same directory inputs.txt
  4. To run the cases node app.js

The last 3 lines of the output from the execution of the app.js should display the balances as shown below

The Balance of Buyer1 is :1000 The Balance of seller 2 is :500 The Total Amount held in Escrow  is :200 

The Complete output

Executing the credit for buyer0x7743B49aFF7d71D868F865CFf0902B2E7b316A51and amount :2000 Executing the credit for buyer0x3e17fCd3A399bC51B958F736A5ACB99E5D71F514and amount :4000 Created inventory for the :Seller 1 Created inventory for the :Seller 2 Created inventory for the :Seller 1 Created inventory for the :Seller 1 Created inventory for the :Seller 2 Created inventory for the :Seller 2 Created an order for Buyer 1 Deposited money from  Buyer 1 Deposited money from  Buyer 2 Created an order for Buyer 2 Completed order for   Buyer 1 Created an order for Buyer 1 Created an order for Buyer 1 Complain by  Buyer 2 for item registered Hoody and money refunded. Created an order for Buyer 2 Completed order for   Buyer 1 The Balance of Buyer1 is :1000 The Balance of seller 2 is :500 The Total Amount held in Escrow  is :200 ```"# Escrow_Management"  

合同

给定场景的坚固性合同在合同项下/托管.sol文件。


先决条件

  1. 加纳什港7545&合约已安装
  2. web3
  3. truffle
  4. 打开Ganache GUI/Ganache cli

部署实体合同

  1. 使用truffle包部署合约一旦合约成功部署
  2. truffle deploy一旦合约成功部署

API运行输入

一个简单的节点.js在端口7545上连接到本地Ganache的脚本是在api下编写的/应用程序.js文件

如何运行节点.js脚本节点.js&npm
  • 加纳什港7545&合约已安装
  • web3
  • truffle
  • 打开Ganache GUI/Ganache cli
  • 使用truffle包部署合约一旦合约成功部署
  • truffle deploy一旦合约成功部署
  • 转到CMD中的文件夹api
  • 运行npm install
  • 输入文件也放在同一目录下输入.txt
  • 运行案例节点应用程序.js你知道吗
    1. 运行npm install
    2. 输入文件也放在同一目录下输入.txt
    3. 运行案例节点应用程序.js你知道吗
    4. To run the cases node app.js

    执行应用程序.js应显示如下所示的余额

    The Balance of Buyer1 is :1000 The Balance of seller 2 is :500 The Total Amount held in Escrow  is :200 

    完整输出

    Executing the credit for buyer0x7743B49aFF7d71D868F865CFf0902B2E7b316A51and amount :2000 Executing the credit for buyer0x3e17fCd3A399bC51B958F736A5ACB99E5D71F514and amount :4000 Created inventory for the :Seller 1 Created inventory for the :Seller 2 Created inventory for the :Seller 1 Created inventory for the :Seller 1 Created inventory for the :Seller 2 Created inventory for the :Seller 2 Created an order for Buyer 1 Deposited money from  Buyer 1 Deposited money from  Buyer 2 Created an order for Buyer 2 Completed order for   Buyer 1 Created an order for Buyer 1 Created an order for Buyer 1 Complain by  Buyer 2 for item registered Hoody and money refunded. Created an order for Buyer 2 Completed order for   Buyer 1 The Balance of Buyer1 is :1000 The Balance of seller 2 is :500 The Total Amount held in Escrow  is :200 ```"# Escrow_Management"  

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