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-rw-r--r--src/script.cpp4
-rw-r--r--src/script.h1
-rw-r--r--src/test/transaction_tests.cpp14
3 files changed, 10 insertions, 9 deletions
diff --git a/src/script.cpp b/src/script.cpp
index f03a1e3cbb..810ba16d28 100644
--- a/src/script.cpp
+++ b/src/script.cpp
@@ -1298,8 +1298,8 @@ bool Solver(const CScript& scriptPubKey, txnouttype& typeRet, vector<vector<unsi
}
else if (opcode2 == OP_SMALLDATA)
{
- // small pushdata, <= 80 bytes
- if (vch1.size() > 80)
+ // small pushdata, <= MAX_OP_RETURN_RELAY bytes
+ if (vch1.size() > MAX_OP_RETURN_RELAY)
break;
}
else if (opcode1 != opcode2 || vch1 != vch2)
diff --git a/src/script.h b/src/script.h
index 335ddfb1b2..657ac0b388 100644
--- a/src/script.h
+++ b/src/script.h
@@ -23,6 +23,7 @@ class CKeyStore;
class CTransaction;
static const unsigned int MAX_SCRIPT_ELEMENT_SIZE = 520; // bytes
+static const unsigned int MAX_OP_RETURN_RELAY = 40; // bytes
/** Signature hash types/flags */
enum
diff --git a/src/test/transaction_tests.cpp b/src/test/transaction_tests.cpp
index 5212dfc70d..588c8013c7 100644
--- a/src/test/transaction_tests.cpp
+++ b/src/test/transaction_tests.cpp
@@ -280,12 +280,12 @@ BOOST_AUTO_TEST_CASE(test_IsStandard)
t.vout[0].scriptPubKey = CScript() << OP_1;
BOOST_CHECK(!IsStandardTx(t, reason));
- // 80-byte TX_NULL_DATA (standard)
- t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3804678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
+ // 40-byte TX_NULL_DATA (standard)
+ t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
BOOST_CHECK(IsStandardTx(t, reason));
- // 81-byte TX_NULL_DATA (non-standard)
- t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3804678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3800");
+ // 41-byte TX_NULL_DATA (non-standard)
+ t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3800");
BOOST_CHECK(!IsStandardTx(t, reason));
// TX_NULL_DATA w/o PUSHDATA
@@ -295,11 +295,11 @@ BOOST_AUTO_TEST_CASE(test_IsStandard)
// Only one TX_NULL_DATA permitted in all cases
t.vout.resize(2);
- t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3804678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
- t.vout[1].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3804678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
+ t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
+ t.vout[1].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
BOOST_CHECK(!IsStandardTx(t, reason));
- t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3804678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
+ t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
t.vout[1].scriptPubKey = CScript() << OP_RETURN;
BOOST_CHECK(!IsStandardTx(t, reason));