Ethereum Crowdfunding

A decentralized crowdfunding blockchain application.

Contracts

Hub contracts

FundingHub.sol

The funding interface contract.

StandardFundingHub.sol

The project funding hub implementation contract. Allows for creation of a project, stores a record of all projects created by the hub, and allows users to fund each project.

Owned.sol

Child contract which manages ownership of the funding hub.

Project contracts

Project.sol

Project interface contract. Include stages and stage management modifiers.

StandardProject.sol

Project implementation contract. Enables funding of a project, refunds and payouts.

Token contracts

Token.sol

Standard ERC-20 token interface.

FundingToken

Funding token implementation. Allows deposits, withdrawals, transfers, allowance transfers (typically mediated by the token's parent project contract) and keeps a record of individual contributions

Utility contracts

Math.sol

Standard overflow and underflow protection routines.

dApp Workflow

Project created during funding hub deployment. (As per 2_deploy_contracts.js)

Createing a new project

Funding a project

Tests

Tests written using Node async/await.

Test cases

it("Should perform an end-to-end test concluding with pay out.", async () => {
	...
});

 it("Should demonstrate project expiry, using testrpc 'time travel'.", async () => { 
	 ...
 });

 it("Should demonstrate project expiry, funding failure, and refunds.", async () => { 
	 ...
 });

 it("Should create several projects for one hub.", async () => { 
	 ...
 });

 it("Should not allow funding if hub is deactivated", async () => { 
	 ...
 });