/// <summary>
/// Adds an account to the current account root using encrypted seed and password.
/// </summary>
/// <remarks>The name given to the account is of the form "account (i)" by default, where (i) is an incremental index starting at 0.
/// According to BIP44, an account at index (i) can only be created when the account at index (i - 1) contains transactions.
/// <seealso cref="https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki"/></remarks>
/// <param name="password">The password used to decrypt the wallet's encrypted seed.</param>
/// <param name="encryptedSeed">The encrypted private key for this wallet.</param>
/// <param name="chainCode">The chain code for this wallet.</param>
/// <param name="network">The network for which this account will be created.</param>
/// <param name="accountCreationTime">Creation time of the account to be created.</param>
/// <param name="accountIndex">The index at which an account will be created. If left null, a new account will be created after the last used one.</param>
/// <param name="accountName">The name of the account to be created. If left null, an account will be created according to the <see cref="AccountNamePattern"/>.</param>
/// <returns>A new HD account.</returns>
public HdAccount AddNewAccount(string password, string encryptedSeed, byte[] chainCode, Network network, DateTimeOffset accountCreationTime, int?accountIndex = null, string accountName = null)
{
Guard.NotEmpty(password, nameof(password));
Guard.NotEmpty(encryptedSeed, nameof(encryptedSeed));
Guard.NotNull(chainCode, nameof(chainCode));
WalletAccounts hdAccounts = this.Accounts;
// If an account needs to be created at a specific index or with a specific name, make sure it doesn't already exist.
if (hdAccounts.Any(a => a.Index == accountIndex || a.Name == accountName))
{
throw new Exception($"An account at index {accountIndex} or with name {accountName} already exists.");
}
if (accountIndex == null)
{
if (hdAccounts.Any())
{
// Hide account indexes used for cold staking from the "Max" calculation.
accountIndex = hdAccounts.Where(a => a.Index < 100_000_000).Max(a => a.Index) + 1;
}
else
{
accountIndex = 0;
}
}
HdAccount newAccount = this.CreateAccount(password, encryptedSeed, chainCode, network, accountCreationTime, accountIndex.Value, accountName);
hdAccounts.Add(newAccount);
this.Accounts = hdAccounts;
return(newAccount);
}
public HdAccount(WalletAccounts walletAccounts)
: this()
{
this.WalletAccounts = walletAccounts;
walletAccounts.Add(this);
}