wallet-db-inspect.js

const path = require('node:path');
const bdb = require('bdb');
const bio = require('bufio');
const MasterKey = require('hsd/lib/wallet/masterkey');
const layouts = require('hsd/lib/wallet/layout');
const layout = layouts.wdb;

// SET THESE VALUES:
const FILTER_SECRETS = true;
const HSD_DATA_LOC = '/path/to/any/hsd_data';

const db = bdb.create({
  createIfMissing: false, // do not create new db if wrong path
  location:  path.join(HSD_DATA_LOC, 'wallet'),
});
console.log('Loading wallet with bdb from:', db.location);

(async() => {
  await db.open();

  const walletIds = {};
  {
    const iter = db.iterator({
      gte: layout.W.min(),
      lte: layout.W.max(),
      values: true,
    });

    await iter.each((key, value) => {
      const wid = layout.W.decode(key)[0]; // int
      walletIds[wid] = value.toString(); // str
    });
    console.log('walletIds:', walletIds);
  }

  const wallets = {};
  {
    const iter = db.iterator({
      gte: layout.w.min(),
      lte: layout.w.max(),
      values: true,
    });

    await iter.each((key, value) => {
      const wid = layout.w.decode(key)[0]; // int

      const br = bio.read(value);
      const flags = br.readU8();
      const watchOnly = (flags & 1) !== 0;
      const accountDepth = br.readU32();
      const token = br.readBytes(32);
      const tokenDepth = br.readU32();
      const master = MasterKey.read(br).getJSON(null, true);
      wallets[wid] = { watchOnly, accountDepth, tokenDepth,
        token: sanitize(token.toString('hex')),
        master: {
          encrypted: master.encrypted,
          until: master.until,
          iv: sanitize(master.iv),
          ciphertext: sanitize(master.ciphertext),
          algorithm: master.algorithm,
          n: master.n,
          r: master.r,
          p: master.p,
        },
      };
    });
    console.log('wallets:', wallets);
  }

})();


function sanitize(string, len=2) {
  if (!FILTER_SECRETS) return string;

  if (!string) return string;
  // string = string.toString();

  if (string.length && string.length > (len*2)) {
    return string.slice(0, 2) + '*'.repeat(string.length-len*2) + string.slice(string.length-len);
  }

  return string;
}