proposal-30-decentralize-sources/scripts/calculateIPFSContenthashes.ts

// @ts-ignore
import contentHash from "content-hash";
import fs from "fs";
import path from "path";

import { DeclCalculator } from "./utils";
import { ipfsCids } from "./constants";

const contentHashToBytesMemory = (hash: string) => `hex"${hash}"`;
const ipfsCidToBytesMemory = (cid: string) => contentHashToBytesMemory(contentHash.fromIpfs(cid));

const solidityDoublePadding = " ".repeat(8);
const { calculateDecl: calculateContenthashDecl } = new DeclCalculator(
    "bytes memory",
    solidityDoublePadding,
    ipfsCidToBytesMemory,
    (name: string) => name + "Contenthash"
);
const solidityCode = Object.entries(ipfsCids)
    .map((e) => calculateContenthashDecl(e))
    .join("");

fs.writeFileSync(path.join("data", "ensDomainsIPFSContenthashes.txt"), solidityCode);