message: Fix: `genericWallet` address from pubKey recovery
diff: /* @flow */
  -import { SigningKey } from 'ethers/utils';
  +import { computeAddress } from 'ethers/utils';
  import HDKey from 'hdkey';
  import {
  @@ -122,7 +122,7 @@ export default class GenericWallet {
  /*
  * Generate the address from the derived public key
  */
  - const addressFromPublicKey = SigningKey.publicKeyToAddress(
  + const addressFromPublicKey = computeAddress(
  /*
  * Sadly Flow doesn't have the correct types for node's Buffer Object
  */
  