44 lines
1.2 KiB
JavaScript
44 lines
1.2 KiB
JavaScript
const crypto = require("crypto");
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const MerkleTree = require('merkle-tree-solidity');
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const { sha3 } = require('ethereumjs-util');
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const fs = require('fs');
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const numCodes = 500;
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const codeLength = 5;
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const codes = [];
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const elements = [];
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for(i = 0; i < numCodes; i++){
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const code = crypto.randomBytes(codeLength).toString('hex');
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codes.push(code);
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elements.push(sha3(code));
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}
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const merkleTree = new MerkleTree.default(elements);
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const stream1 = fs.createWriteStream("codes.txt");
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stream1.once('open', function(fd) {
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codes.map(el => {
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stream1.write(el + "\n");
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})
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stream1.end();
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});
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const stream2 = fs.createWriteStream("./app/js/merkle.js");
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stream2.once('open', function(fd) {
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stream2.write("module.exports = {\n");
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stream2.write("\tmerkleRoot: '0x" + merkleTree.getRoot().toString('hex') + "',\n");
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stream2.write("\telements: [\n");
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stream2.write(elements
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.map(el => "\t\t'0x" + el.toString('hex') + "'")
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.join(",\n"))
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stream2.write("\n\t]\n};\n\n");
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stream2.end();
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});
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console.log("Merkle Root: 0x%s", merkleTree.getRoot().toString('hex'));
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console.log("./codes.txt generated");
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console.log("./app/js/merkle.js generated");
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