public static void Main(string[] args)
{
Console.WriteLine("Creating output script for 'bitcoincash:qpm2qsznhks23z7629mms6s4cwef74vcwvy22gdx6a'...");
// input cash address and produce an output script
var decoded = CashAddress.DecodeCashAddress("bitcoincash:qpm2qsznhks23z7629mms6s4cwef74vcwvy22gdx6a");
// so far, cash addresses have two defined types
// let's print the readable output script for the address
switch (decoded.Type)
{
// our demo happens to be a P2PKH cash address...
case ScriptType.P2PKH:
// use ByteHexConverter to convert raw byte data for output script to readable hex
Console.WriteLine("Output script: " +
"OP_DUP OP_HASH160 " + ByteHexConverter.ByteArrayToHex(decoded.Hash) + " OP_EQUALVERIFY OP_CHECKSIG");
break;
// if it was a P2SH cash address...
case ScriptType.P2SH:
// use ByteHexConverter to convert raw byte data for output script to readable hex
Console.WriteLine("Output script: " +
"OP_HASH160 " + ByteHexConverter.ByteArrayToHex(decoded.Hash) + " OP_CHECKSIG");
break;
// whoa... another type?
default:
Console.WriteLine("This shouldn't happen! That's an unknown cash address type!");
break;
}
// let's use script builder now
var outputScript = ScriptBuilder.CreateOutputScript(decoded.Type, decoded.Hash);
// same thing if we go straight from a Cash Address
outputScript = ScriptBuilder.CreateOutputScript("bitcoincash:qpm2qsznhks23z7629mms6s4cwef74vcwvy22gdx6a");
Console.WriteLine("Output script from ScriptBuilder: " + outputScript);
Console.WriteLine("Output script RAW from ScriptBuilder: " + ByteHexConverter.ByteArrayToHex(outputScript.ScriptBytes));
// What about if we want to create an OP_RETURN output?
// ASCII encode "My Bitcoin OP_RETURN!" and create an output script
var opReturn = ScriptBuilder.CreateOpReturn(Encoding.ASCII.GetBytes("My Bitcoin OP_RETURN!"));
Console.WriteLine("OP_RETURN script from ScriptBuilder: " + opReturn);
Console.WriteLine("OP_RETURN script RAW from ScriptBuilder: " + ByteHexConverter.ByteArrayToHex(opReturn.ScriptBytes));
// encode a hash160 from an output script as a cash address (demo script is P2PKH)
Console.WriteLine("Encoding output script 'OP_DUP OP_HASH160 76a04053bda0a88bda5177b86a15c3b29f559873 OP_EQUALVERIFY OP_CHECKSIG'...");
// use ByteHexConverter to convert the readable hex to raw byte data (as it would actually be encoded in an output script)
var encoded = CashAddress.EncodeCashAddress(AddressPrefix.bitcoincash, ScriptType.P2PKH,
ByteHexConverter.StringToByteArray("76a04053bda0a88bda5177b86a15c3b29f559873"));
Console.WriteLine("Cash Address: " + encoded);
// let's try decoding a raw transaction!
var txHex =
"020000000113b15104613103365466d9c1773a2c60c3dec7ab6ea41f7f2824f6b00556bd98370000006b483045022100bda8b53dcffbcbf3c005b7c55a923cd04eb3d3abd7632dd260f97d15cc2982ed02202dc15d4a9ad826f4b3a0781693050fe8c1cdeb919903ba11385f0b5e83c1ea5641210384dd3ad997f2e10980e755236b474f986c519599946027876cdeb4eb5a30a09fffffffff0110270000000000001976a91476a04053bda0a88bda5177b86a15c3b29f55987388ac00000000";
var tx = new Transaction(ByteHexConverter.StringToByteArray(txHex));
Console.WriteLine("Decoded transaction. TXID: " + tx.TXIDHex + ". Inputs: " + tx.Inputs.Length + ". Outputs: " + tx.Outputs.Length + ". Output Scripts:");
foreach (var output in tx.Outputs)
{
Console.WriteLine(output);
}
// wait
Console.ReadKey();
}
