token-sale-smart-contract

Token Sale smart contracts with Tiers, Soft Cap, Hard Cap, KYC Whitelist & Blacklist

Features

• Time-based tiers to incentivize the sale to close as fast as possible
• Equal distribution among contributors with a fixed personal firt day cap
• On-chain Whitelist and Blacklist to restrict to allowed contributor to avoid legal issues.
• Finalizable: Amdin super-power ante and post sale
• Flush tokens sent to smart contract address
• Clean: concise code, easy to read.
• Tested: Coverage > 90%, used in mainnet multiple times securing hundred of thousands ethers
• Careful: Two person approval process for small, focused pull requests.
• Secure: PGP signed releases

Used in production

• SingularityNET - AGI
• DataWallet - DXT

Workflow

1. Deploy Token contract with name, symbol, decimals, initialSupply
2. Deploy Crowdsale contract of choice (FirstDayCappedCrowdsale or TieredCrowdsale)
3. Deploy Airdropand transfer the presale supply
4. Call transfer inside Token with Crowdsale as recipient
5. Call pause inside Token
6. Call transferOwnership inside Token contract with Crowdsale as new owner
7. Call updateWhitelist inside Crowdsale Contract

After the sale

7. Call finalize inside Crowdsale Contract

Usage

Install

npm install https://github.com/vulpemventures/token-sale-smart-contract

Require it

const CompiledTokenContract = require("token-sale-smart-contract/build/contracts/Token.json")

Use it

const { abi, bytecode } = CompiledTokenContract

const contractInstance = web3.eth.Contract(abi)
...

Development

Requirements

• Node/npm > 7.6

Install

npm i

Run tests

npm run test

Compile contracts

npm run compile

Deploy to public networks

npm run deploy

Flatten

npm run flat

License MIT