Merge pull request #4949

c8589bf Add actual signature tests (Pieter Wuille)
76ec867 Use actually valid transactions for script tests (Pieter Wuille)

3 files changed, 95 insertions, 7 deletions

diff --git a/src/test/data/script_invalid.json b/src/test/data/script_invalid.json
index 75de4716f8..401031ad12 100644
--- a/src/test/data/script_invalid.json
+++ b/src/test/data/script_invalid.json
@@ -1,4 +1,13 @@
 [
+["
+Format is: [scriptPubKey, scriptSig, flags, ... comments]
+It is evaluated as if there was a crediting coinbase transaction with two 0
+pushes as scriptSig, and one output of 0 satoshi and given scriptPubKey,
+followed by a spending transaction which spends this output as only input (and
+correct prevout hash), using the given scriptSig. All nLockTimes are 0, all
+nSequences are max.
+"],
+
 ["", "DEPTH", "P2SH,STRICTENC",   "Test the test: we should have an empty stack after scriptSig evaluation"],
 ["  ", "DEPTH", "P2SH,STRICTENC", "and multiple spaces should not change that."],
 ["   ", "DEPTH", "P2SH,STRICTENC"],
@@ -373,5 +382,21 @@
 ["0 0x01 0x50", "HASH160 0x14 0xece424a6bb6ddf4db592c0faed60685047a361b1 EQUAL", "P2SH,STRICTENC", "OP_RESERVED in P2SH should fail"],
 ["0 0x01 VER", "HASH160 0x14 0x0f4d7845db968f2a81b530b6f3c1d6246d4c7e01 EQUAL", "P2SH,STRICTENC", "OP_VER in P2SH should fail"],
 
-["0x00", "'00' EQUAL", "P2SH,STRICTENC", "Basic OP_0 execution"]
+["0x00", "'00' EQUAL", "P2SH,STRICTENC", "Basic OP_0 execution"],
+
+["0x48 0x3045022100ea4d62e1fb351ad977596457bb01dfce58e050541784277bd825c33bd98c2a9502203003347cf04573be4dc786c3fc5e7db09821565bf45c7d60160709b962f0398401 0x21 0x0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798", "DUP HASH160 0x14 0x751e76e8199196d454941c45d1b3a323f1433bd6 EQUALVERIFY CHECKSIG", "P2SH,STRICTENC", "Normal pay to pubkeyhash with wrong signature"],
+["0x47 0x304402207d09de5e34968c3f8b27d8217f173629f1106ee5216aa11d6b1f9813b3a214060220610a6ed25c704f901c6278f4f57fb11eadefdf0b22df298cfb6ce7ea84c86bf401 0x21 0x0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798", "DUP HASH160 0x14 0x751e76e8199196d454941c45d1b3a323f1433bd6 EQUALVERIFY CHECKSIG", "P2SH,STRICTENC", "Normal pay to pubkeyhash using an anyonecanpay sighash"],
+["0x47 0x3044022028686fb3c8d3e5068cc9924c494fb5026df201d23340896da62fe9bb73fd9d5f02202a239609524959c4ca3651fd0cc48245b0b240862146fc579f3a962a4f46942b01", "0x21 0x0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798 CHECKSIG", "P2SH,STRICTENC", "Normal pay to pubkey with wrong signature"],
+["0x47 0x3044022054cb0a3fca8694a0c231848ed9f965078148fd653e49dd4b6981fadac0f5ba0702204085be5af427d4561f13a07fd5a1c5ab0ff02126e9ba191448f5a9dae0da585301 0x21 0x0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798 0x19 0x76a914751e76e8199196d454941c45d1b3a323f1433bd688ac", "HASH160 0x14 0xcd7b44d0b03f2d026d1e586d7ae18903b0d385f6 EQUAL", "P2SH,STRICTENC", "P2SH with a pay to pubkeyhash inside with wrong signature"],
+["0 0x48 0x3045022100e1c4e8800bd00c9ec3cd3df0e53e63bc5e8c018d0b68099a652f0b121f1a7e020220108dab275be7d1358530d3451d48aed747af77cc54e0423cbae5c572b2e1abb801", "1 0x21 0x0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798 1 CHECKMULTISIG", "P2SH,STRICTENC", "Raw multisig with one pubkey with wrong signature"],
+["0x49 0x304602220000ea4d62e1fb351ad977596457bb01dfce58e050541774277bd825c33bd98c2a9502203003347cf04573be4dc786c3fc5e7db09821565bf45c7d60160709b962f0398401 0x21 0x0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798", "DUP HASH160 0x14 0x751e76e8199196d454941c45d1b3a323f1433bd6 EQUALVERIFY CHECKSIG", "P2SH,STRICTENC", "Normal pay to pubkeyhash with non-DER signature (too much R padding)"],
+["0x47 0x30440220ea4d62e1fb351ad977596457bb01dfce58e050541774277bd825c33bd98c2a9502203003347cf04573be4dc786c3fc5e7db09821565bf45c7d60160709b962f0398401 0x21 0x0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798", "DUP HASH160 0x14 0x751e76e8199196d454941c45d1b3a323f1433bd6 EQUALVERIFY CHECKSIG", "P2SH,STRICTENC", "Normal pay to pubkeyhash with non-DER signature (too little R padding)"],
+["0x49 0x3046022100ea4d62e1fb351ad977596457bb01dfce58e050541774277bd825c33bd98c2a950221003003347cf04573be4dc786c3fc5e7db09821565bf45c7d60160709b962f0398401 0x21 0x0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798", "DUP HASH160 0x14 0x751e76e8199196d454941c45d1b3a323f1433bd6 EQUALVERIFY CHECKSIG", "P2SH,STRICTENC", "Normal pay to pubkeyhash with non-DER signature (too much S padding)"],
+["0x48 0x3045022100e6eda3fd34862078233463cae19f0b47995e3f892102e5b175175e92a9163cc402204bf58445819093638481084322b61a2d49b68c96fd6fea17ed494722d0d67b4f01", "0x41 0x0679be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 CHECKSIG", "P2SH,STRICTENC", "Pay to pubkey with hybrid pubkey encoding"],
+["0x48 0x304502203b56d65863e0cdb89313043c2402f46f518c31658648151b01ec6b5b6c89206a022100d71efefb4c24fab36abb44ade106963d8114c5af1bda033faa1923f54ec4ea6a01", "0x21 0x0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798 CHECKSIG", "P2SH,STRICTENC,LOW_S", "Pay to pubkey with high S"],
+["0x47 0x3044022054cb0a3fca8694a0c231848fd9f965078148fd653e49dd4b6980fadac0f5ba0702204085be5af427d4561f13a07fd5a1c5ab0ff02126e9ba191448f5a9dae0da585301 0x21 0x0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798 0x19 0x76a914751e76e8199196d454941c45d1b3a323f1433bd688ac", "HASH160 0x14 0xcd7b44d0b03f2d026d1e586d7ae18903b0d385f6 EQUAL", "P2SH,STRICTENC", "P2SH with a pay to pubkeyhash inside with invalid signature"],
+["1 0x48 0x3045022100e1c4e8800bd00c9ec3cd3de0e53e63bc5e8c018d0b68099a652f0b121f1a7e020220108dab275be7d1358530d3451d48aed747af77cc54e0423cbae5c572b2e1abb801", "1 0x21 0x0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798 1 CHECKMULTISIG", "P2SH,STRICTENC,NULLDUMMY", "Raw multisig with one pubkey with non-zero dummy"],
+
+["The End"]
+
 ]
diff --git a/src/test/data/script_valid.json b/src/test/data/script_valid.json
index c1db4c6061..e0b527996c 100644
--- a/src/test/data/script_valid.json
+++ b/src/test/data/script_valid.json
@@ -1,4 +1,13 @@
 [
+["
+Format is: [scriptPubKey, scriptSig, flags, ... comments]
+It is evaluated as if there was a crediting coinbase transaction with two 0
+pushes as scriptSig, and one output of 0 satoshi and given scriptPubKey,
+followed by a spending transaction which spends this output as only input (and
+correct prevout hash), using the given scriptSig. All nLockTimes are 0, all
+nSequences are max.
+"],
+
 ["", "DEPTH 0 EQUAL", "P2SH,STRICTENC", "Test the test: we should have an empty stack after scriptSig evaluation"],
 ["  ", "DEPTH 0 EQUAL", "P2SH,STRICTENC", "and multiple spaces should not change that."],
 ["   ", "DEPTH 0 EQUAL", "P2SH,STRICTENC"],
@@ -518,5 +527,20 @@
 "P2SH,STRICTENC",
 "Basic PUSHDATA1 signedness check"],
 
-["0x00", "SIZE 0 EQUAL", "P2SH,STRICTENC", "Basic OP_0 execution"]
+["0x00", "SIZE 0 EQUAL", "P2SH,STRICTENC", "Basic OP_0 execution"],
+
+["0x48 0x3045022100ea4d62e1fb351ad977596457bb01dfce58e050541774277bd825c33bd98c2a9502203003347cf04573be4dc786c3fc5e7db09821565bf45c7d60160709b962f0398401 0x21 0x0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798", "DUP HASH160 0x14 0x751e76e8199196d454941c45d1b3a323f1433bd6 EQUALVERIFY CHECKSIG", "P2SH,STRICTENC", "Normal pay to pubkeyhash"],
+["0x47 0x304402207d09de5e34968c3f8b27d8217f173629f1106ee5216aa11d6b1f9813b3a214060220610a6ed25c704f901c6278f4f57fb11eadefdf0b22df298cfb6ce7ea84c86bf481 0x21 0x0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798", "DUP HASH160 0x14 0x751e76e8199196d454941c45d1b3a323f1433bd6 EQUALVERIFY CHECKSIG", "P2SH,STRICTENC", "Anyonecanpay pay to pubkeyhash"],
+["0x47 0x3044022028686fb3c8d3e5069cc9924c494fb5026df201d23340896da62fe9bb73fd9d5f02202a239609524959c4ca3651fd0cc48245b0b240862146fc579f3a962a4f46942b01", "0x21 0x0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798 CHECKSIG", "P2SH,STRICTENC", "Normal pay to pubkey"],
+["0x47 0x3044022054cb0a3fca8694a0c231848ed9f965078148fd653e49dd4b6980fadac0f5ba0702204085be5af427d4561f13a07fd5a1c5ab0ff02126e9ba191448f5a9dae0da585301 0x21 0x0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798 0x19 0x76a914751e76e8199196d454941c45d1b3a323f1433bd688ac", "HASH160 0x14 0xcd7b44d0b03f2d026d1e586d7ae18903b0d385f6 EQUAL", "P2SH,STRICTENC", "P2SH with a pay to pubkeyhash inside"],
+["0 0x48 0x3045022100e1c4e8800bd00c9ec3cd3de0e53e63bc5e8c018d0b68099a652f0b121f1a7e020220108dab275be7d1358530d3451d48aed747af77cc54e0423cbae5c572b2e1abb801", "1 0x21 0x0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798 1 CHECKMULTISIG", "P2SH,STRICTENC", "Raw multisig with one pubkey"],
+["0x49 0x304602220000ea4d62e1fb351ad977596457bb01dfce58e050541774277bd825c33bd98c2a9502203003347cf04573be4dc786c3fc5e7db09821565bf45c7d60160709b962f0398401 0x21 0x0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798", "DUP HASH160 0x14 0x751e76e8199196d454941c45d1b3a323f1433bd6 EQUALVERIFY CHECKSIG", "P2SH", "Normal pay to pubkeyhash with non-DER signature (too much R padding)"],
+["0x47 0x30440220ea4d62e1fb351ad977596457bb01dfce58e050541774277bd825c33bd98c2a9502203003347cf04573be4dc786c3fc5e7db09821565bf45c7d60160709b962f0398401 0x21 0x0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798", "DUP HASH160 0x14 0x751e76e8199196d454941c45d1b3a323f1433bd6 EQUALVERIFY CHECKSIG", "P2SH", "Normal pay to pubkeyhash with non-DER signature (too little R padding)"],
+["0x49 0x3046022100ea4d62e1fb351ad977596457bb01dfce58e050541774277bd825c33bd98c2a950221003003347cf04573be4dc786c3fc5e7db09821565bf45c7d60160709b962f0398401 0x21 0x0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798", "DUP HASH160 0x14 0x751e76e8199196d454941c45d1b3a323f1433bd6 EQUALVERIFY CHECKSIG", "P2SH", "Normal pay to pubkeyhash with non-DER signature (too much S padding)"],
+["0x48 0x3045022100e6eda3fd34862078233463cae19f0b47995e3f892102e5b175175e92a9163cc402204bf58445819093638481084322b61a2d49b68c96fd6fea17ed494722d0d67b4f01", "0x41 0x0679be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 CHECKSIG", "P2SH", "Pay to pubkey with hybrid pubkey encoding"],
+["0x48 0x304502203b56d65863e0cdb89313043c2402f46f518c31658648151b01ec6b5b6c89206a022100d71efefb4c24fab36abb44ade106963d8114c5af1bda033faa1923f54ec4ea6a01", "0x21 0x0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798 CHECKSIG", "P2SH,STRICTENC", "Pay to pubkey with high S"],
+["0x47 0x3044022054cb0a3fca8694a0c231848fd9f965078148fd653e49dd4b6980fadac0f5ba0702204085be5af427d4561f13a07fd5a1c5ab0ff02126e9ba191448f5a9dae0da585301 0x21 0x0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798 0x19 0x76a914751e76e8199196d454941c45d1b3a323f1433bd688ac", "HASH160 0x14 0xcd7b44d0b03f2d026d1e586d7ae18903b0d385f6 EQUAL", "STRICTENC", "P2SH with a pay to pubkeyhash inside with invalid signature"],
+["1 0x48 0x3045022100e1c4e8800bd00c9ec3cd3de0e53e63bc5e8c018d0b68099a652f0b121f1a7e020220108dab275be7d1358530d3451d48aed747af77cc54e0423cbae5c572b2e1abb801", "1 0x21 0x0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798 1 CHECKMULTISIG", "P2SH,STRICTENC", "Raw multisig with one pubkey with non-zero dummy"],
+
+["The End"]
 ]
diff --git a/src/test/script_tests.cpp b/src/test/script_tests.cpp
index cb543a0cf1..178b35fa2d 100644
--- a/src/test/script_tests.cpp
+++ b/src/test/script_tests.cpp
@@ -52,6 +52,41 @@ read_json(const std::string& jsondata)
 
 BOOST_AUTO_TEST_SUITE(script_tests)
 
+CMutableTransaction BuildCreditingTransaction(const CScript& scriptPubKey)
+{
+    CMutableTransaction txCredit;
+    txCredit.nVersion = 1;
+    txCredit.nLockTime = 0;
+    txCredit.vin.resize(1);
+    txCredit.vout.resize(1);
+    txCredit.vin[0].prevout.SetNull();
+    txCredit.vin[0].scriptSig = CScript() << CScriptNum(0) << CScriptNum(0);
+    txCredit.vin[0].nSequence = std::numeric_limits<unsigned int>::max();
+    txCredit.vout[0].scriptPubKey = scriptPubKey;
+    txCredit.vout[0].nValue = 0;
+
+    return txCredit;
+}
+
+CMutableTransaction BuildSpendingTransaction(const CScript& scriptSig, const CScript& scriptPubKey)
+{
+    CMutableTransaction txCredit = BuildCreditingTransaction(scriptPubKey);
+
+    CMutableTransaction txSpend;
+    txSpend.nVersion = 1;
+    txSpend.nLockTime = 0;
+    txSpend.vin.resize(1);
+    txSpend.vout.resize(1);
+    txSpend.vin[0].prevout.hash = txCredit.GetHash();
+    txSpend.vin[0].prevout.n = 0;
+    txSpend.vin[0].scriptSig = scriptSig;
+    txSpend.vin[0].nSequence = std::numeric_limits<unsigned int>::max();
+    txSpend.vout[0].scriptPubKey = CScript();
+    txSpend.vout[0].nValue = 0;
+
+    return txSpend;
+}
+
 BOOST_AUTO_TEST_CASE(script_valid)
 {
     // Read tests from test/data/script_valid.json
@@ -67,7 +102,9 @@ BOOST_AUTO_TEST_CASE(script_valid)
         string strTest = write_string(tv, false);
         if (test.size() < 3) // Allow size > 3; extra stuff ignored (useful for comments)
         {
-            BOOST_ERROR("Bad test: " << strTest);
+            if (test.size() != 1) {
+                BOOST_ERROR("Bad test: " << strTest);
+            }
             continue;
         }
         string scriptSigString = test[0].get_str();
@@ -77,7 +114,7 @@ BOOST_AUTO_TEST_CASE(script_valid)
         unsigned int scriptflags = ParseScriptFlags(test[2].get_str());
 
         CTransaction tx;
-        BOOST_CHECK_MESSAGE(VerifyScript(scriptSig, scriptPubKey, tx, 0, scriptflags), strTest);
+        BOOST_CHECK_MESSAGE(VerifyScript(scriptSig, scriptPubKey, BuildSpendingTransaction(scriptSig, scriptPubKey), 0, scriptflags), strTest);
     }
 }
 
@@ -90,9 +127,11 @@ BOOST_AUTO_TEST_CASE(script_invalid)
     {
         Array test = tv.get_array();
         string strTest = write_string(tv, false);
-        if (test.size() < 2) // Allow size > 2; extra stuff ignored (useful for comments)
+        if (test.size() < 3) // Allow size > 3; extra stuff ignored (useful for comments)
         {
-            BOOST_ERROR("Bad test: " << strTest);
+            if (test.size() != 1) {
+                BOOST_ERROR("Bad test: " << strTest);
+            }
             continue;
         }
         string scriptSigString = test[0].get_str();
@@ -102,7 +141,7 @@ BOOST_AUTO_TEST_CASE(script_invalid)
         unsigned int scriptflags = ParseScriptFlags(test[2].get_str());
 
         CTransaction tx;
-        BOOST_CHECK_MESSAGE(!VerifyScript(scriptSig, scriptPubKey, tx, 0, scriptflags), strTest);
+        BOOST_CHECK_MESSAGE(!VerifyScript(scriptSig, scriptPubKey, BuildSpendingTransaction(scriptSig, scriptPubKey), 0, scriptflags), strTest);
     }
 }