/// <summary>
/// Generate a DAppChain address for the given identity.
/// Address generation is based on the identity public key and the chain ID,
/// the algorithm is deterministic.
/// </summary>
/// <param name="identity">Identity with a valid public key.</param>
/// <param name="chainId">Identifier of a DAppChain.</param>
/// <returns>An address</returns>
public static Address ToAddress(this Identity identity, string chainId = "default")
{
return(new Address
{
ChainId = chainId,
Local = ByteString.CopyFrom(CryptoUtils.LocalAddressFromPublicKey(identity.PublicKey))
});
}
/// <summary>
/// Creates an Address instance from a 32-byte public key.
/// </summary>
/// <param name="publicKey">32-byte public key.</param>
/// <param name="chainId">Identifier of a DAppChain.</param>
/// <returns>An address</returns>
public static Address FromPublicKey(byte[] publicKey, string chainId = "default")
{
return(new Address
{
ChainId = chainId,
Local = ByteString.CopyFrom(CryptoUtils.LocalAddressFromPublicKey(publicKey))
});
}
private static string AddressStringFromPublicKey(byte[] publicKey)
{
if (publicKey == null)
{
throw new ArgumentNullException(nameof(publicKey));
}
if (publicKey.Length != 32)
{
throw new ArgumentException("Expected a 32-byte array", nameof(publicKey));
}
return(CryptoUtils.BytesToHexString(CryptoUtils.LocalAddressFromPublicKey(publicKey)));
}