Deploying a CrowdFi Contract

CrowdFi contracts are deployed by invoking the deployCampaign function on the factory contract for a given network. The function uses OpenZeppelin Clones to create a proxy and initialize the contract with campaign parameters.

Campaign Parameters

Name	Type	Description
`recipient`	`address`	the address of the recipient, where funds are sent on success
`minGoal`	`uint256`	the minimum funding amount acceptable for successful financing
`maxGoal`	`uint256`	the maximum funding amount accepted for the financing round
`minContribution`	`uint256`	the minimum deposit an account can make in one deposit
`maxContribution`	`uint256`	the maximum deposit an account can make in one or more deposits
`holdOff`	`uint32`	the number of seconds to wait until the campaign starts
`duration`	`uint32`	the runtime of the campaign, in seconds
`erc20TokenAddr`	`address`	the address of the ERC-20 token used for payments, or 0 address for native token

Native Token vs ERC-20

CrowdFi contracts support native tokens as well as ERC-20 compliant tokens. The contribute and yield functions are different depending on whether the contract is native token or ERC-20 denominated.

️🚫

CrowdFi contracts do not support rebasing tokens! Do not use them as the denominated token.

⚠️

CrowdFi contracts support fee taking tokens. The number of CrowdFi tokens minted on contribution will factor in the fee.

Factory Addresses

Network	Address
`Ethereum Mainnet`	0x8e78d80599197c501353453f73b0b92a402077d6
`Ethereum Sepolia`	0x83a322729C3172B0cc6Bf3a3204Fa83E683c584E
`Polygon`	0xf53e3729aC1caDd24D5986b2738D0DEE5f4eD30A
`Arbitrum`	0x24379629781d03a0Fe67D9712FD2d76a92EfEF14

Example Deployment

import { Contract, Signer } from 'ethers';
const abi = require('path/to/CrowdFinancingV1Factory.abi.json');
const contract = new Contract(factoryContractAddress, abi, signer);
 
// Native token (ETH)
const erc20TokenAddress = '0x0000000000000000000000000000000000000000';
 
const tx = await contract.deployCampaign(
  recipientAddress,
  minGoal,
  maxGoal,
  minContribution,
  maxContribution,
  holdOffSeconds,
  durationSeconds,
  erc20TokenAddress,
);
 
console.log('deploy tx', tx);

Overview Contributing Funds