/// <summary>
/// Creates a number of additional addresses in the current account.
/// </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 at least one transaction.
/// </remarks>
/// <param name="network">The network these addresses will be for.</param>
/// <param name="addressesQuantity">The number of addresses to create.</param>
/// <param name="isChange">Whether the addresses added are change (internal) addresses or receiving (external) addresses.</param>
/// <returns>The created addresses.</returns>
public IEnumerable <HdAddress> CreateAddresses(Network network, int addressesQuantity, bool isChange = false)
{
ICollection <HdAddress> addresses = isChange ? this.InternalAddresses : this.ExternalAddresses;
// Get the index of the last address.
int firstNewAddressIndex = 0;
if (addresses.Any())
{
firstNewAddressIndex = addresses.Max(add => add.Index) + 1;
}
var addressesCreated = new List <HdAddress>();
for (int i = firstNewAddressIndex; i < firstNewAddressIndex + addressesQuantity; i++)
{
// Retrieve the pubkey associated with the private key of this address index.
PubKey pubkey = HdOperations.GeneratePublicKey(this.ExtendedPubKey, i, isChange);
// Generate the P2PKH address corresponding to the pubkey.
BitcoinPubKeyAddress address = pubkey.GetAddress(network);
BitcoinWitPubKeyAddress witAddress = pubkey.GetSegwitAddress(network);
// Add the new address details to the list of addresses.
var newAddress = new HdAddress
{
Index = i,
HdPath = HdOperations.CreateHdPath((int)this.GetCoinType(), this.Index, isChange, i),
ScriptPubKey = address.ScriptPubKey,
Pubkey = pubkey.ScriptPubKey,
Bech32Address = witAddress.ToString(),
Address = address.ToString(),
};
addresses.Add(newAddress);
addressesCreated.Add(newAddress);
}
if (isChange)
{
this.InternalAddresses = addresses;
}
else
{
this.ExternalAddresses = addresses;
}
return(addressesCreated);
}
public async Task <ActionResult <string> > GetDepositAddress()
{
string accountIdString = User.FindFirstValue(ClaimTypes.NameIdentifier);
if (accountIdString == null)
{
return(BadRequest("AccountId missing from request"));
}
int accountId = int.Parse(accountIdString);
BitcoinWitPubKeyAddress address = await _bitcoin.GetDepositAddress(accountId);
return(address.ToString());
}