/// <summary>
/// Gets the account using public key.
/// </summary>
/// <returns>The account.</returns>
/// <param name="pubkey">Pubkey.</param>
public IWalletAccount GetAccount(ECPoint pubkey)
{
if (pubkey == null)
{
throw new ArgumentNullException();
}
var scriptHash = _walletHelper.ScriptHashFromPublicKey(pubkey);
return(GetAccount(scriptHash));
}