├── .gitignore ├── .prettierignore ├── .prettierrc ├── README.md ├── jsconfig.json ├── package-lock.json ├── package.json └── src └── index.js /.gitignore: -------------------------------------------------------------------------------- 1 | node_modules -------------------------------------------------------------------------------- /.prettierignore: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/pathmaker525/root-hash-generator-merkletree/823532021b69829602f3a4d7df82358e7b48683c/.prettierignore -------------------------------------------------------------------------------- /.prettierrc: -------------------------------------------------------------------------------- 1 | { 2 | "semi": false 3 | } 4 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # MERKLETREE ROOT HASH GENERATOR 2 | 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/src/index.js: -------------------------------------------------------------------------------- 1 | const { MerkleTree } = require("merkletreejs") 2 | const keccak256 = require("keccak256") 3 | 4 | let whitelistAddresses = ["0x18236675fE58640dc2e9dDFfC478eC2EEea6Ca52"] 5 | 6 | // Leaves, merkleTree, and rootHash are all determined prior to claim. 7 | // The project would have some form of whitelist process 8 | // where whitelisted addresses are collected and known beforehand 9 | 10 | // Creates a new array 'leafNodes' by hashing all indices of the 'whitelistAddresses' 11 | // using keccak256. Then creates a new Merkle Tree object using keccak256 as the 12 | // desired hashing algorithm. 13 | const leafNodes = whitelistAddresses.map((address) => keccak256(address)) 14 | const merkleTree = new MerkleTree(leafNodes, keccak256, { sortPairs: true }) 15 | 16 | // Gets the root hash of the merkle tree in hex format. 17 | const rootHash = merkleTree.getHexRoot() 18 | 19 | console.log("Whitelist Merkle Tree: \n", rootHash) 20 | --------------------------------------------------------------------------------