Function syncPublicKeys

src/modules/keyring.js:591–632

({keyring, keyIds, allKeyrings = false, keyringId})

 * @param {Stringt} [keyringId] - the leading keyring of a scenario
 */
export async function syncPublicKeys({keyring, keyIds, allKeyrings = false, keyringId}) {
  await keyringInitialized;
  let srcKeyrings;
  if (!keyring) {
    keyring = await getById(keyringId);
  }
  keyIds = toArray(keyIds);
  if (!keyIds.length) {
    // nothing to sync
    return;
  }
  // get all relevant source keyrings
  if (allKeyrings || !keyringId) {
    srcKeyrings = await getAll();
  } else {
    srcKeyrings = getPreferredKeyringQueue(keyringId);
  }
  for (let keyId of keyIds) {
    keyId = typeof keyId === 'string' ? keyId : keyId.toHex();
    // find newest key in all source keyrings
    let lastModified = null;
    for (const srcKeyring of srcKeyrings) {
      let key = srcKeyring.keystore.getKeysForId(keyId, true);
      if (!key) {
        continue;
      }
      key = key[0];
      const lastModifiedDate = getLastModifiedDate(key);
      if (!lastModified || lastModifiedDate > lastModified.date || lastModifiedDate.valueOf() === lastModified.date.valueOf() && srcKeyring.id === keyring.id) {
        lastModified = {date: lastModifiedDate, key, srcKeyring};
      }
    }
    if (lastModified && lastModified.srcKeyring.id !== keyring.id) {
      // there is a newer key available that needs to be imported into the destination keyring
      try {
        await keyring.importKeys([{armored: toPublic(lastModified.key).armor(), type: 'public'}]);
      } catch (e) {
        console.log('Key import error during sync process', e);
      }
    }
  }
}

/**
 * Get preferred keyring ID