blockstack/lib/dids.js

The Blockstack Javascript library for authentication, identity, and storage.

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.makeDIDFromAddress = makeDIDFromAddress;
exports.makeDIDFromPublicKey = makeDIDFromPublicKey;
exports.getDIDType = getDIDType;
exports.getAddressFromDID = getAddressFromDID;

var _errors = require('./errors');

function makeDIDFromAddress(address) {
  return 'did:btc-addr:' + address;
}

function makeDIDFromPublicKey(publicKey) {
  return 'did:ecdsa-pub:' + publicKey;
}

function getDIDType(decentralizedID) {
  var didParts = decentralizedID.split(':');

  if (didParts.length !== 3) {
    throw new _errors.InvalidDIDError('Decentralized IDs must have 3 parts');
  }

  if (didParts[0].toLowerCase() !== 'did') {
    throw new _errors.InvalidDIDError('Decentralized IDs must start with "did"');
  }

  return didParts[1].toLowerCase();
}

function getAddressFromDID(decentralizedID) {
  var didType = getDIDType(decentralizedID);

  if (didType === 'btc-addr') {
    return decentralizedID.split(':')[2];
  } else {
    return null;
  }
}

/*
export function getPublicKeyOrAddressFromDID(decentralizedID) {
  const didParts = decentralizedID.split(':')

  if (didParts.length !== 3) {
    throw new InvalidDIDError('Decentralized IDs must have 3 parts')
  }

  if (didParts[0].toLowerCase() !== 'did') {
    throw new InvalidDIDError('Decentralized IDs must start with "did"')
  }

  if (didParts[1].toLowerCase() === 'ecdsa-pub') {
    return didParts[2]
  } else if (didParts[1].toLowerCase() === 'btc-addr') {
    return didParts[2]
  } else {
    throw new InvalidDIDError('Decentralized ID format not supported')
  }
}
*/