/// <summary>
/// Decodes the given address into its constituting hash, format, network and type
/// </summary>
/// <param name="address">A valid Bitcoin Cash address in any format</param>
/// <returns></returns>
private static BchAddrData DecodeBase58Address(string address)
{
var payload = Encoders.Base58Check.DecodeData(address);
var versionByte = payload[0];
var hash = payload.Skip(1).ToArray();
switch (versionByte)
{
case 0:
return(BchAddrData.Create(CashFormat.Legacy, CashNetwork.Mainnet, CashType.P2PKH, hash));
case 5:
return(BchAddrData.Create(CashFormat.Legacy, CashNetwork.Mainnet, CashType.P2SH, hash));
case 111:
return(BchAddrData.Create(CashFormat.Legacy, CashNetwork.Testnet, CashType.P2PKH, hash));
case 196:
return(BchAddrData.Create(CashFormat.Legacy, CashNetwork.Testnet, CashType.P2SH, hash));
case 28:
return(BchAddrData.Create(CashFormat.Bitpay, CashNetwork.Mainnet, CashType.P2PKH, hash));
case 40:
return(BchAddrData.Create(CashFormat.Bitpay, CashNetwork.Mainnet, CashType.P2SH, hash));
default:
throw new Validation.ValidationError($"Invalid address type in version byte: {versionByte}");
}
}
/// <summary>
/// Attempts to decode the given address assuming it is a cashaddr address with explicit prefix
/// </summary>
/// <param name="address">A valid Bitcoin Cash address in any format</param>
/// <returns></returns>
private static BchAddrData DecodeCashAddressWithPrefix(string address)
{
var decoded = CashAddr.Decode(address);
var type = decoded.Type == "P2PKH" ? CashType.P2PKH : CashType.P2SH;
switch (decoded.Prefix)
{
case "bitcoincash":
return(BchAddrData.Create(CashFormat.Cashaddr, CashNetwork.Mainnet, type, decoded.Hash));
case "bchtest":
return(BchAddrData.Create(CashFormat.Cashaddr, CashNetwork.Testnet, type, decoded.Hash));
case "regtest":
return(BchAddrData.Create(CashFormat.Cashaddr, CashNetwork.RegTest, type, decoded.Hash));
}
throw new Validation.ValidationError($"Invalid address {address}");
}
/// <summary>
/// Attempts to decode the given address assuming it is a cashaddr address with explicit prefix
/// </summary>
/// <param name="address">A valid Bitcoin Cash address in any format</param>
/// <returns></returns>
private static BchAddrData DecodeCashAddressWithPrefix(string address, Network network)
{
var decoded = CashAddr.Decode(address);
return(BchAddrData.Create(CashFormat.Cashaddr, network, decoded.Type, decoded.Hash));
}
