Make STRICTENC invalid pubkeys fail the script rather than the opcode.

This turns STRICTENC turn into a softforking-safe change (even though it
is not intended as a consensus rule), and as a result guarantee that using
it for mempool validation only results in consensus-valid transactions in
the mempool.
This commit is contained in:
Pieter Wuille
2014-11-08 09:32:29 -08:00
parent 3ba5ebc065
commit 98b135f97f
7 changed files with 53 additions and 23 deletions

View File

@@ -428,15 +428,24 @@ BOOST_AUTO_TEST_CASE(script_build)
bad.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0H) << OP_CHECKSIG << OP_NOT,
"P2PK NOT with hybrid pubkey but no STRICTENC", 0
).PushSig(keys.key0, SIGHASH_ALL));
good.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0H) << OP_CHECKSIG << OP_NOT,
"P2PK NOT with hybrid pubkey", SCRIPT_VERIFY_STRICTENC
).PushSig(keys.key0, SIGHASH_ALL));
bad.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0H) << OP_CHECKSIG << OP_NOT,
"P2PK NOT with hybrid pubkey", SCRIPT_VERIFY_STRICTENC
).PushSig(keys.key0, SIGHASH_ALL));
good.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0H) << OP_CHECKSIG << OP_NOT,
"P2PK NOT with invalid hybrid pubkey but no STRICTENC", 0
).PushSig(keys.key0, SIGHASH_ALL).DamagePush(10));
good.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0H) << OP_CHECKSIG << OP_NOT,
"P2PK NOT with invalid hybrid pubkey", SCRIPT_VERIFY_STRICTENC
).PushSig(keys.key0, SIGHASH_ALL).DamagePush(10));
bad.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0H) << OP_CHECKSIG << OP_NOT,
"P2PK NOT with invalid hybrid pubkey", SCRIPT_VERIFY_STRICTENC
).PushSig(keys.key0, SIGHASH_ALL).DamagePush(10));
good.push_back(TestBuilder(CScript() << OP_1 << ToByteVector(keys.pubkey0H) << ToByteVector(keys.pubkey1C) << OP_2 << OP_CHECKMULTISIG,
"1-of-2 with the second 1 hybrid pubkey and no STRICTENC", 0
).Num(0).PushSig(keys.key1, SIGHASH_ALL));
good.push_back(TestBuilder(CScript() << OP_1 << ToByteVector(keys.pubkey0H) << ToByteVector(keys.pubkey1C) << OP_2 << OP_CHECKMULTISIG,
"1-of-2 with the second 1 hybrid pubkey", SCRIPT_VERIFY_STRICTENC
).Num(0).PushSig(keys.key1, SIGHASH_ALL));
bad.push_back(TestBuilder(CScript() << OP_1 << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey0H) << OP_2 << OP_CHECKMULTISIG,
"1-of-2 with the first 1 hybrid pubkey", SCRIPT_VERIFY_STRICTENC
).Num(0).PushSig(keys.key1, SIGHASH_ALL));
good.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1) << OP_CHECKSIG,
"P2PK with undefined hashtype but no STRICTENC", 0