12-token-crowdfund

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Crowdfunding Contract

This sample demonstrates the basic process of a crowdfunding contract, including the deployment of the contract, the contract, and the launch of a crowdfunding project.

Operation Process

• Config .env

cp .env.example .env

## Modify .env to the actual values of INFURA_ID and PRIVATE_KEY
PRIVATE_KEY=xxxxxxxxxxxxxxxx
INFURA_ID=yyyyyyyy

• Install Dependencies

yarn

• Compile Contract

npx hardhat compile

• Test Contract

npx hardhat test

• Deploy Contract

npx hardhat run scripts/deploy_crowdfunding.js --network goerli

Crowdsale Type

• CappedCrowdsale
• IndividuallyCappedCrowdsale
• TimedCrowdsale
• WhitelistedCrowdsale
• FinalizableCrowdsale
• PostDeliveryCrowdsale
• RefundableCrowdsale
• AllowanceCrowdsale
• MintedCrowdsale
• IncreasingPriceCrowdsale

Refer to the link

• https://medium.com/openberry/creating-a-simple-crowdfunding-dapp-with-ethereum-solidity-and-vue-js-69ddb8e132dd
• https://medium.com/extropy-io/crowdsales-on-ethereum-with-openzeppelin-57bbdea95390
• https://www.programmersought.com/article/1396206575/
• https://github.com/OpenZeppelin/openzeppelin-contracts/tree/release-v2.3.0/contracts/crowdsale
• Linear Unlock： https://cloud.tencent.com/developer/article/1182701