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Relay OP_RETURN TxOut as standard transaction type

Browse source 
Also fix decoderawtransaction to not show reqSigs or addresses for
nulldata txouts. (Previous version also left reqSigs uninitialized
mistakenly)
This commit is contained in:
Peter Todd 2013-10-24 04:32:35 -04:00
parent 125bdead3e
commit 22de68dffc
No known key found for this signature in database
GPG key ID: 2481403DA5F091FB
3 changed files with 22 additions and 7 deletions
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2
src/rpcrawtransaction.cpp
View file

@ -29,7 +29,7 @@ void ScriptPubKeyToJSON(const CScript& scriptPubKey, Object& out, bool fIncludeH
if (!ExtractDestinations(scriptPubKey, type, addresses, nRequired)) if (!ExtractDestinations(scriptPubKey, type, addresses, nRequired))
{ {
out.push_back(Pair("type", GetTxnOutputType(TX_NONSTANDARD))); out.push_back(Pair("type", GetTxnOutputType(type)));
return; return;
} }

12
src/script.cpp
View file

@ -1195,7 +1195,7 @@ bool CheckSig(vector<unsigned char> vchSig, const vector<unsigned char> &vchPubK
bool Solver(const CScript& scriptPubKey, txnouttype& typeRet, vector<vector<unsigned char> >& vSolutionsRet) bool Solver(const CScript& scriptPubKey, txnouttype& typeRet, vector<vector<unsigned char> >& vSolutionsRet)
{ {
// Templates // Templates
static map<txnouttype, CScript> mTemplates; static multimap<txnouttype, CScript> mTemplates;
if (mTemplates.empty()) if (mTemplates.empty())
{ {
// Standard tx, sender provides pubkey, receiver adds signature // Standard tx, sender provides pubkey, receiver adds signature
@ -1209,6 +1209,7 @@ bool Solver(const CScript& scriptPubKey, txnouttype& typeRet, vector<vector<unsi
// Empty, provably prunable, data-carrying output // Empty, provably prunable, data-carrying output
mTemplates.insert(make_pair(TX_NULL_DATA, CScript() << OP_RETURN << OP_SMALLDATA)); mTemplates.insert(make_pair(TX_NULL_DATA, CScript() << OP_RETURN << OP_SMALLDATA));
mTemplates.insert(make_pair(TX_NULL_DATA, CScript() << OP_RETURN));
} }
// Shortcut for pay-to-script-hash, which are more constrained than the other types: // Shortcut for pay-to-script-hash, which are more constrained than the other types:
@ -1392,9 +1393,8 @@ int ScriptSigArgsExpected(txnouttype t, const std::vector<std::vector<unsigned c
switch (t) switch (t)
{ {
case TX_NONSTANDARD: case TX_NONSTANDARD:
return -1;
case TX_NULL_DATA: case TX_NULL_DATA:
return 1; return -1;
case TX_PUBKEY: case TX_PUBKEY:
return 1; return 1;
case TX_PUBKEYHASH: case TX_PUBKEYHASH:
@ -1532,8 +1532,10 @@ bool ExtractDestinations(const CScript& scriptPubKey, txnouttype& typeRet, vecto
vector<valtype> vSolutions; vector<valtype> vSolutions;
if (!Solver(scriptPubKey, typeRet, vSolutions)) if (!Solver(scriptPubKey, typeRet, vSolutions))
return false; return false;
if (typeRet == TX_NULL_DATA) if (typeRet == TX_NULL_DATA){
return true; // This is data, not addresses
return false;
}
if (typeRet == TX_MULTISIG) if (typeRet == TX_MULTISIG)
{ {

15
src/test/transaction_tests.cpp
View file

@ -282,11 +282,24 @@ BOOST_AUTO_TEST_CASE(test_IsStandard)
t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3804678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3800"); t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3804678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3800");
BOOST_CHECK(!IsStandardTx(t, reason)); BOOST_CHECK(!IsStandardTx(t, reason));
// Only one TX_NULL_DATA permitted // TX_NULL_DATA w/o PUSHDATA
t.vout.resize(1);
t.vout[0].scriptPubKey = CScript() << OP_RETURN;
BOOST_CHECK(IsStandardTx(t, reason));
// Only one TX_NULL_DATA permitted in all cases
t.vout.resize(2); t.vout.resize(2);
t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3804678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38"); t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3804678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
t.vout[1].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3804678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38"); t.vout[1].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3804678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
BOOST_CHECK(!IsStandardTx(t, reason)); BOOST_CHECK(!IsStandardTx(t, reason));
t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3804678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
t.vout[1].scriptPubKey = CScript() << OP_RETURN;
BOOST_CHECK(!IsStandardTx(t, reason));
t.vout[0].scriptPubKey = CScript() << OP_RETURN;
t.vout[1].scriptPubKey = CScript() << OP_RETURN;
BOOST_CHECK(!IsStandardTx(t, reason));
} }
BOOST_AUTO_TEST_SUITE_END() BOOST_AUTO_TEST_SUITE_END()