public void test_IsStandard()
{
var coins = new TxOutRepository();
Transaction[] dummyTransactions = SetupDummyInputs(coins);
Transaction t = new Transaction();
t.Inputs.Add(new TxIn());
t.Inputs[0].PrevOut.Hash = dummyTransactions[0].GetHash();
t.Inputs[0].PrevOut.N = 1;
t.Inputs[0].ScriptSig = new Script(Op.GetPushOp(new byte[65]));
t.Outputs.Add(new TxOut());
t.Outputs[0].Value = 90 * Money.CENT;
Key key = new Key(true);
var payToHash = new PayToPubkeyHashTemplate();
t.Outputs[0].ScriptPubKey = payToHash.GenerateScriptPubKey(key.PubKey.ID);
Assert.True(StandardScripts.IsStandardTransaction(t));
t.Outputs[0].Value = 501; //dust
Assert.True(!StandardScripts.IsStandardTransaction(t));
t.Outputs[0].Value = 601; // not dust
Assert.True(StandardScripts.IsStandardTransaction(t));
t.Outputs[0].ScriptPubKey = new Script() + OpcodeType.OP_1;
Assert.True(!StandardScripts.IsStandardTransaction(t));
// 40-byte TX_NULL_DATA (standard)
t.Outputs[0].ScriptPubKey = new Script() + OpcodeType.OP_RETURN + ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
Assert.True(StandardScripts.IsStandardTransaction(t));
// 41-byte TX_NULL_DATA (non-standard)
t.Outputs[0].ScriptPubKey = new Script() + OpcodeType.OP_RETURN + ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3800");
Assert.True(!StandardScripts.IsStandardTransaction(t));
// TX_NULL_DATA w/o PUSHDATA
t.Outputs.Clear();
t.Outputs.Add(new TxOut());
t.Outputs[0].ScriptPubKey = new Script() + OpcodeType.OP_RETURN;
Assert.True(StandardScripts.IsStandardTransaction(t));
// Only one TX_NULL_DATA permitted in all cases
t.Outputs.Add(new TxOut());
t.Outputs.Add(new TxOut());
t.Outputs[0].ScriptPubKey = new Script() + OpcodeType.OP_RETURN + ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
t.Outputs[1].ScriptPubKey = new Script() + OpcodeType.OP_RETURN + ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
Assert.True(!StandardScripts.IsStandardTransaction(t));
t.Outputs[0].ScriptPubKey = new Script() + OpcodeType.OP_RETURN + ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
t.Outputs[1].ScriptPubKey = new Script() + OpcodeType.OP_RETURN;
Assert.True(!StandardScripts.IsStandardTransaction(t));
t.Outputs[0].ScriptPubKey = new Script() + OpcodeType.OP_RETURN;
t.Outputs[1].ScriptPubKey = new Script() + OpcodeType.OP_RETURN;
Assert.True(!StandardScripts.IsStandardTransaction(t));
}
public void CanCompressScript()
{
var payToHashTemplate = new PayToPubkeyHashTemplate();
var payToScriptTemplate = new PayToScriptHashTemplate();
var payToPubKeyTemplate = new PayToPubkeyTemplate();
var key = new Key(true);
//Pay to pubkey hash (encoded as 21 bytes)
var script = payToHashTemplate.GenerateScriptPubKey(key.PubKey.ID);
AssertCompressed(script, 21);
script = payToHashTemplate.GenerateScriptPubKey(key.PubKey.Decompress().ID);
AssertCompressed(script, 21);
//Pay to script hash (encoded as 21 bytes)
script = payToScriptTemplate.GenerateScriptPubKey(script);
AssertCompressed(script, 21);
//Pay to pubkey starting with 0x02, 0x03 or 0x04 (encoded as 33 bytes)
script = payToPubKeyTemplate.GenerateScriptPubKey(key.PubKey);
script = AssertCompressed(script, 33);
var readenKey = payToPubKeyTemplate.ExtractScriptPubKeyParameters(script);
AssertEx.CollectionEquals(readenKey.ToBytes(), key.PubKey.ToBytes());
script = payToPubKeyTemplate.GenerateScriptPubKey(key.PubKey.Decompress());
script = AssertCompressed(script, 33);
readenKey = payToPubKeyTemplate.ExtractScriptPubKeyParameters(script);
AssertEx.CollectionEquals(readenKey.ToBytes(), key.PubKey.Decompress().ToBytes());
//Other scripts up to 121 bytes require 1 byte + script length.
script = new Script(Enumerable.Range(0, 60).Select(_ => (Op)OpcodeType.OP_RETURN).ToArray());
AssertCompressed(script, 61);
script = new Script(Enumerable.Range(0, 120).Select(_ => (Op)OpcodeType.OP_RETURN).ToArray());
AssertCompressed(script, 121);
//Above that, scripts up to 16505 bytes require 2 bytes + script length.
script = new Script(Enumerable.Range(0, 122).Select(_ => (Op)OpcodeType.OP_RETURN).ToArray());
AssertCompressed(script, 124);
}
public void CanCompressScript2()
{
var payToHashTemplate = new PayToPubkeyHashTemplate();
var key = new Key(true);
var script = payToHashTemplate.GenerateScriptPubKey(key.PubKey.ID);
var compressed = script.ToCompressedRawScript();
Assert.Equal(21, compressed.Length);
Assert.Equal(script.ToString(), new Script(compressed, true).ToString());
}
public void CanParseAndGeneratePayToPubKeyScript()
{
var payToPubHash = new PayToPubkeyHashTemplate();
var scriptPubKey = new Script("OP_DUP OP_HASH160 b72a6481ec2c2e65aa6bd9b42e213dce16fc6217 OP_EQUALVERIFY OP_CHECKSIG");
var pubKey = payToPubHash.ExtractScriptPubKeyParameters(scriptPubKey);
Assert.Equal("b72a6481ec2c2e65aa6bd9b42e213dce16fc6217", pubKey.ToString());
var scriptSig = new Script("3044022064f45a382a15d3eb5e7fe72076eec4ef0f56fde1adfd710866e729b9e5f3383d02202720a895914c69ab49359087364f06d337a2138305fbc19e20d18da78415ea9301 0364bd4b02a752798342ed91c681a48793bb1c0853cbcd0b978c55e53485b8e27c");
var sigResult = payToPubHash.ExtractScriptSigParameters(scriptSig);
Assert.Equal("3044022064f45a382a15d3eb5e7fe72076eec4ef0f56fde1adfd710866e729b9e5f3383d02202720a895914c69ab49359087364f06d337a2138305fbc19e20d18da78415ea9301", Encoders.Hex.EncodeData(sigResult.TransactionSignature.ToBytes()));
Assert.Equal("0364bd4b02a752798342ed91c681a48793bb1c0853cbcd0b978c55e53485b8e27c", sigResult.PublicKey.ToString());
Assert.Equal(payToPubHash.GenerateScriptSig(sigResult.TransactionSignature, sigResult.PublicKey).ToString(), scriptSig.ToString());
Assert.Equal(payToPubHash.GenerateScriptPubKey(pubKey).ToString(), scriptPubKey.ToString());
}
public void CanCompressScript()
{
var payToHashTemplate = new PayToPubkeyHashTemplate();
var payToScriptTemplate = new PayToScriptHashTemplate();
var payToPubKeyTemplate = new PayToPubkeyTemplate();
var key = new Key(true);
//Pay to pubkey hash (encoded as 21 bytes)
var script = payToHashTemplate.GenerateScriptPubKey(key.PubKey.ID);
AssertCompressed(script, 21);
script = payToHashTemplate.GenerateScriptPubKey(key.PubKey.Decompress().ID);
AssertCompressed(script, 21);
//Pay to script hash (encoded as 21 bytes)
script = payToScriptTemplate.GenerateScriptPubKey(script);
AssertCompressed(script, 21);
//Pay to pubkey starting with 0x02, 0x03 or 0x04 (encoded as 33 bytes)
script = payToPubKeyTemplate.GenerateScriptPubKey(key.PubKey);
script = AssertCompressed(script, 33);
var readenKey = payToPubKeyTemplate.ExtractScriptPubKeyParameters(script);
AssertEx.CollectionEquals(readenKey.ToBytes(), key.PubKey.ToBytes());
script = payToPubKeyTemplate.GenerateScriptPubKey(key.PubKey.Decompress());
script = AssertCompressed(script, 33);
readenKey = payToPubKeyTemplate.ExtractScriptPubKeyParameters(script);
AssertEx.CollectionEquals(readenKey.ToBytes(), key.PubKey.Decompress().ToBytes());
//Other scripts up to 121 bytes require 1 byte + script length.
script = new Script(Enumerable.Range(0, 60).Select(_ => (Op)OpcodeType.OP_RETURN).ToArray());
AssertCompressed(script, 61);
script = new Script(Enumerable.Range(0, 120).Select(_ => (Op)OpcodeType.OP_RETURN).ToArray());
AssertCompressed(script, 121);
//Above that, scripts up to 16505 bytes require 2 bytes + script length.
script = new Script(Enumerable.Range(0, 122).Select(_ => (Op)OpcodeType.OP_RETURN).ToArray());
AssertCompressed(script, 124);
}
public void test_IsStandard()
{
var coins = new CoinsView();
Transaction[] dummyTransactions = SetupDummyInputs(coins);
Transaction t = new Transaction();
t.Inputs.Add(new TxIn());
t.Inputs[0].PrevOut.Hash = dummyTransactions[0].GetHash();
t.Inputs[0].PrevOut.N = 1;
t.Inputs[0].ScriptSig = new Script(Op.GetPushOp(new byte[65]));
t.Outputs.Add(new TxOut());
t.Outputs[0].Value = 90 * Money.CENT;
Key key = new Key(true);
var payToHash = new PayToPubkeyHashTemplate();
t.Outputs[0].ScriptPubKey = payToHash.GenerateScriptPubKey(key.PubKey.ID);
Assert.True(StandardScripts.IsStandardTransaction(t));
t.Outputs[0].Value = 501; //dust
Assert.True(!StandardScripts.IsStandardTransaction(t));
t.Outputs[0].Value = 601; // not dust
Assert.True(StandardScripts.IsStandardTransaction(t));
t.Outputs[0].ScriptPubKey = new Script() + OpcodeType.OP_1;
Assert.True(!StandardScripts.IsStandardTransaction(t));
// 40-byte TX_NULL_DATA (standard)
t.Outputs[0].ScriptPubKey = new Script() + OpcodeType.OP_RETURN + ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
Assert.True(StandardScripts.IsStandardTransaction(t));
// 41-byte TX_NULL_DATA (non-standard)
t.Outputs[0].ScriptPubKey = new Script() + OpcodeType.OP_RETURN + ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3800");
Assert.True(!StandardScripts.IsStandardTransaction(t));
// TX_NULL_DATA w/o PUSHDATA
t.Outputs.Clear();
t.Outputs.Add(new TxOut());
t.Outputs[0].ScriptPubKey = new Script() + OpcodeType.OP_RETURN;
Assert.True(StandardScripts.IsStandardTransaction(t));
// Only one TX_NULL_DATA permitted in all cases
t.Outputs.Add(new TxOut());
t.Outputs.Add(new TxOut());
t.Outputs[0].ScriptPubKey = new Script() + OpcodeType.OP_RETURN + ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
t.Outputs[1].ScriptPubKey = new Script() + OpcodeType.OP_RETURN + ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
Assert.True(!StandardScripts.IsStandardTransaction(t));
t.Outputs[0].ScriptPubKey = new Script() + OpcodeType.OP_RETURN + ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
t.Outputs[1].ScriptPubKey = new Script() + OpcodeType.OP_RETURN;
Assert.True(!StandardScripts.IsStandardTransaction(t));
t.Outputs[0].ScriptPubKey = new Script() + OpcodeType.OP_RETURN;
t.Outputs[1].ScriptPubKey = new Script() + OpcodeType.OP_RETURN;
Assert.True(!StandardScripts.IsStandardTransaction(t));
}
