message: verifyAddress change - if no chain and index provided, just return
diff: @@ -474,6 +474,10 @@ class AbstractUtxoCoin extends BaseCoin {
  throw new errors.InvalidAddressError(`invalid address: ${address}`);
  }
  + if (_.isUndefined(chain) && _.isUndefined(index)) {
  + return; // if both chain and index are undefined, then the address is a custom address and need not be verified through chain and index
  + }
  +
  if (!(_.isFinite(chain) && _.isFinite(index))) {
  throw new errors.InvalidAddressVerificationObjectPropertyError(`address validation failure: invalid chain (${chain}) or index (${index})`);
  }
  