code: function pubKeyHashToAddress (pubKeyHash, network, type) {
    pubKeyHash = ensureBuffer(pubKeyHash)
    const prefixHash = Buffer.concat([Buffer.from(networks[network][type], 'hex'), pubKeyHash])
    const checksum = Buffer.from(sha256(sha256(prefixHash)).slice(0, 8), 'hex')
    const addr = base58.encode(Buffer.concat([prefixHash, checksum]).slice(0, 25))
    return addr
  }
docs: Get address from pubKeyHash.
  @param {!string} pubKeyHash - hash160 of pubKey.
  @param {!string} network - bitcoin, testnet, or litecoin.
  @param {!string} type - pubKeyHash or scriptHash.
  @return {string} Returns the address derived from pubKeyHash.