📜 Campaign Contract

A new way of funding a project or venture by raising small amounts of money from a large number of people via ethereum blockchain technology without any middleman to function or to manage a user’s information.

Screen-shot

Home Page

Campaigns Dashboard

Campaigns Request

CampaignFactory

Variables

| variable |data types | desc | |--|--|--| | deployedCampaigns| address[] | addresses of all the deployed contract|

Function

| name| desc | |--|--| | createCampaign| create a new campaign contract | |getDeployedCampaigns| return addresses of all the deployed contract|

Campaign

Variables

|variable|data types|desc| |--|--|--| |manager |address |address of the person who is managing this compaign| |minimumContribution|unint|Minimum donation required to be considered a contributor or 'approver' | |approvers|address[]|List of addresses for every person who has donated money| |requests|Request[]|List of requests that the manager has created.|

Functions

|name| desc | |--|--| |Campaign | constructor function that sets the minimumContribution and the owner | |contribute|called when someone wants to donate money to the compaign and become an 'approver'| |createRequest|called by the manager to create a new 'spending request'| |approveRequest|called by each contributor to approve a spending request| |finalizeRequest|After a request has gotten enough approvals, the manager can call this to get money sent to the vendor| |getSummary() |function to retrieving Campaign balance, minimumContribution , no of requests , no of Contributors and manager address | |getRequestsCount() | function returning no of requests |

Request Struc

|Name |Type |Purpose| |--|--|--| | description |string |Describes why the request is being created| |value|uint|Amount of money that the manager wants to send to the vendor| |recipient|address|Address that the money will be sent to| |complete|bool|True if the request has already been processed (money sent)|

Prerequisite

1. Install Metamask as Google Chrome Extension and Create an account. 2. Request Ether by sharing your ethereum address in social media
(https://faucet.rinkeby.io/) 3. Get 0.01 ether free by giving the ethereum address
(http://rinkeby-faucet.com/) 4. Create an account in https://infura.io 5. Create .env file in Ethereum directory and add these line to it.

> mnemonic = 'Your mnemonic code'
link = 'Your infura end point link ' 6. Deploy Contract by going into Ethereum Directory and run. > node deploy.js

Copy the contract deploy address and replace it in factory.js file.

7. Replace your "infura end point link" in web3.js file

Dependencies Used

| Name | Version | Description | |--|--|--| | solc | 0.4.26 | Programming language to write smart contracts | | ganache-cli | 6.5.1 | Local Ethereum Test Network | | mocha | 6.2.0 | JavaScript test framework | |truffle-hdwallet-provider | 1.0.16 | The Truffle HDWallet provider is a convenient and easy to configure network connection to ethereum through infura.io | | web3 | 1.0.0-beta.55 | Ethereum JavaScript API which connects to the Generic JSON RPC spec. | | dotenv| 8.0.0 | Loads environment variables from a .env file into process.env| | fs-extra| 8.1.0 | file system methods that aren't included in the native fs | | next | 9.0.3 | JavaScript framework to build server-side rendering and static web application using React | | react | 16.9.0 | JavaScript library for creating user interfaces | | react-dom | 16.9.0 | DOM specific methods that can be used on React application | | semantic-ui-react | 0.87.3 | react component kit provides pre define react component | | semantic-ui-css | 2.4.1 | react component kit provides theme to react component as CSS | | next-routes | 1.4.2 | Dynamic Routes for Next.js |

Steps

• To install dependencies

> npm install - To Compile the Contract > node compile.js - To test the Contract > npm run test - To deploy the Contract > node deploy.js - To run the application > npm run dev

## UI Routing | Path | Description | |--|--| | / | List of Campaigns | | /campaigns/new | Form to make a campaign | | /campaigns/0x8147 | Campaign details for campaign at address 0x8147 | | /campaigns/0x8147/requests | Requests for campaign at address 0x8147 | | /campaigns/0x8147/requests/new | Form to create a request for campaign at address 0x8147 |