message: safety check to see if an account is spendable (i.e. not locked)
diff: @@ -126,6 +126,11 @@ function addressCanReceiveName(address: string) {
  .then((names) => (names.length < 25))
  }
  +function isAccountSpendable(address: string, tokenType: string, blockHeight: number) {
  + return config.network.getAccountStatus(address, tokenType)
  + .then((accountStatus) => accountStatus.transfer_send_block_id >= blockHeight)
  +}
  +
  export const safety = {
  addressCanReceiveName, isInGracePeriod, ownsName, isNameAvailable, isNameValid,
  isNamespaceValid, isNamespaceAvailable, revealedNamespace, namespaceIsReady, namespaceIsRevealed
  