Merge pull request #4890

e790c37 Replace SCRIPT_VERIFY_NOCACHE by flag directly to checker (Pieter Wuille)
5c1e798 Make signature cache optional (Pieter Wuille)
c7829ea Abstract out SignatureChecker (Pieter Wuille)

4 files changed, 31 insertions, 32 deletions

diff --git a/src/test/multisig_tests.cpp b/src/test/multisig_tests.cpp
index cb37740068..5a2ec1cb31 100644
--- a/src/test/multisig_tests.cpp
+++ b/src/test/multisig_tests.cpp
@@ -82,19 +82,19 @@ BOOST_AUTO_TEST_CASE(multisig_verify)
     keys.clear();
     keys += key[0],key[1]; // magic operator+= from boost.assign
     s = sign_multisig(a_and_b, keys, txTo[0], 0);
-    BOOST_CHECK(VerifyScript(s, a_and_b, txTo[0], 0, flags));
+    BOOST_CHECK(VerifyScript(s, a_and_b, flags, SignatureChecker(txTo[0], 0)));
 
     for (int i = 0; i < 4; i++)
     {
         keys.clear();
         keys += key[i];
         s = sign_multisig(a_and_b, keys, txTo[0], 0);
-        BOOST_CHECK_MESSAGE(!VerifyScript(s, a_and_b, txTo[0], 0, flags), strprintf("a&b 1: %d", i));
+        BOOST_CHECK_MESSAGE(!VerifyScript(s, a_and_b, flags, SignatureChecker(txTo[0], 0)), strprintf("a&b 1: %d", i));
 
         keys.clear();
         keys += key[1],key[i];
         s = sign_multisig(a_and_b, keys, txTo[0], 0);
-        BOOST_CHECK_MESSAGE(!VerifyScript(s, a_and_b, txTo[0], 0, flags), strprintf("a&b 2: %d", i));
+        BOOST_CHECK_MESSAGE(!VerifyScript(s, a_and_b, flags, SignatureChecker(txTo[0], 0)), strprintf("a&b 2: %d", i));
     }
 
     // Test a OR b:
@@ -104,16 +104,16 @@ BOOST_AUTO_TEST_CASE(multisig_verify)
         keys += key[i];
         s = sign_multisig(a_or_b, keys, txTo[1], 0);
         if (i == 0 || i == 1)
-            BOOST_CHECK_MESSAGE(VerifyScript(s, a_or_b, txTo[1], 0, flags), strprintf("a|b: %d", i));
+            BOOST_CHECK_MESSAGE(VerifyScript(s, a_or_b, flags, SignatureChecker(txTo[1], 0)), strprintf("a|b: %d", i));
         else
-            BOOST_CHECK_MESSAGE(!VerifyScript(s, a_or_b, txTo[1], 0, flags), strprintf("a|b: %d", i));
+            BOOST_CHECK_MESSAGE(!VerifyScript(s, a_or_b, flags, SignatureChecker(txTo[1], 0)), strprintf("a|b: %d", i));
     }
     s.clear();
     s << OP_0 << OP_0;
-    BOOST_CHECK(!VerifyScript(s, a_or_b, txTo[1], 0, flags));
+    BOOST_CHECK(!VerifyScript(s, a_or_b, flags, SignatureChecker(txTo[1], 0)));
     s.clear();
     s << OP_0 << OP_1;
-    BOOST_CHECK(!VerifyScript(s, a_or_b, txTo[1], 0, flags));
+    BOOST_CHECK(!VerifyScript(s, a_or_b, flags, SignatureChecker(txTo[1], 0)));
 
 
     for (int i = 0; i < 4; i++)
@@ -123,9 +123,9 @@ BOOST_AUTO_TEST_CASE(multisig_verify)
             keys += key[i],key[j];
             s = sign_multisig(escrow, keys, txTo[2], 0);
             if (i < j && i < 3 && j < 3)
-                BOOST_CHECK_MESSAGE(VerifyScript(s, escrow, txTo[2], 0, flags), strprintf("escrow 1: %d %d", i, j));
+                BOOST_CHECK_MESSAGE(VerifyScript(s, escrow, flags, SignatureChecker(txTo[2], 0)), strprintf("escrow 1: %d %d", i, j));
             else
-                BOOST_CHECK_MESSAGE(!VerifyScript(s, escrow, txTo[2], 0, flags), strprintf("escrow 2: %d %d", i, j));
+                BOOST_CHECK_MESSAGE(!VerifyScript(s, escrow, flags, SignatureChecker(txTo[2], 0)), strprintf("escrow 2: %d %d", i, j));
         }
 }
 
diff --git a/src/test/script_P2SH_tests.cpp b/src/test/script_P2SH_tests.cpp
index e6cf00c2d0..6c32a263a9 100644
--- a/src/test/script_P2SH_tests.cpp
+++ b/src/test/script_P2SH_tests.cpp
@@ -42,7 +42,7 @@ Verify(const CScript& scriptSig, const CScript& scriptPubKey, bool fStrict)
     txTo.vin[0].scriptSig = scriptSig;
     txTo.vout[0].nValue = 1;
 
-    return VerifyScript(scriptSig, scriptPubKey, txTo, 0, fStrict ? SCRIPT_VERIFY_P2SH : SCRIPT_VERIFY_NONE);
+    return VerifyScript(scriptSig, scriptPubKey, fStrict ? SCRIPT_VERIFY_P2SH : SCRIPT_VERIFY_NONE, SignatureChecker(txTo, 0));
 }
 
 
@@ -113,7 +113,7 @@ BOOST_AUTO_TEST_CASE(sign)
         {
             CScript sigSave = txTo[i].vin[0].scriptSig;
             txTo[i].vin[0].scriptSig = txTo[j].vin[0].scriptSig;
-            bool sigOK = CScriptCheck(CCoins(txFrom, 0), txTo[i], 0, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_STRICTENC)();
+            bool sigOK = CScriptCheck(CCoins(txFrom, 0), txTo[i], 0, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_STRICTENC, false)();
             if (i == j)
                 BOOST_CHECK_MESSAGE(sigOK, strprintf("VerifySignature %d %d", i, j));
             else
diff --git a/src/test/script_tests.cpp b/src/test/script_tests.cpp
index 48a5635d8f..6ed3e03f53 100644
--- a/src/test/script_tests.cpp
+++ b/src/test/script_tests.cpp
@@ -89,7 +89,7 @@ CMutableTransaction BuildSpendingTransaction(const CScript& scriptSig, const CMu
 
 void DoTest(const CScript& scriptPubKey, const CScript& scriptSig, int flags, bool expect, const std::string& message)
 {
-    BOOST_CHECK_MESSAGE(VerifyScript(scriptSig, scriptPubKey, BuildSpendingTransaction(scriptSig, BuildCreditingTransaction(scriptPubKey)), 0, flags) == expect, message);
+    BOOST_CHECK_MESSAGE(VerifyScript(scriptSig, scriptPubKey, flags, SignatureChecker(BuildSpendingTransaction(scriptSig, BuildCreditingTransaction(scriptPubKey)), 0)) == expect, message);
 }
 
 namespace
@@ -464,18 +464,18 @@ BOOST_AUTO_TEST_CASE(script_PushData)
     static const unsigned char pushdata4[] = { OP_PUSHDATA4, 1, 0, 0, 0, 0x5a };
 
     vector<vector<unsigned char> > directStack;
-    BOOST_CHECK(EvalScript(directStack, CScript(&direct[0], &direct[sizeof(direct)]), CTransaction(), 0, true));
+    BOOST_CHECK(EvalScript(directStack, CScript(&direct[0], &direct[sizeof(direct)]), true, BaseSignatureChecker()));
 
     vector<vector<unsigned char> > pushdata1Stack;
-    BOOST_CHECK(EvalScript(pushdata1Stack, CScript(&pushdata1[0], &pushdata1[sizeof(pushdata1)]), CTransaction(), 0, true));
+    BOOST_CHECK(EvalScript(pushdata1Stack, CScript(&pushdata1[0], &pushdata1[sizeof(pushdata1)]), true, BaseSignatureChecker()));
     BOOST_CHECK(pushdata1Stack == directStack);
 
     vector<vector<unsigned char> > pushdata2Stack;
-    BOOST_CHECK(EvalScript(pushdata2Stack, CScript(&pushdata2[0], &pushdata2[sizeof(pushdata2)]), CTransaction(), 0, true));
+    BOOST_CHECK(EvalScript(pushdata2Stack, CScript(&pushdata2[0], &pushdata2[sizeof(pushdata2)]), true, BaseSignatureChecker()));
     BOOST_CHECK(pushdata2Stack == directStack);
 
     vector<vector<unsigned char> > pushdata4Stack;
-    BOOST_CHECK(EvalScript(pushdata4Stack, CScript(&pushdata4[0], &pushdata4[sizeof(pushdata4)]), CTransaction(), 0, true));
+    BOOST_CHECK(EvalScript(pushdata4Stack, CScript(&pushdata4[0], &pushdata4[sizeof(pushdata4)]), true, BaseSignatureChecker()));
     BOOST_CHECK(pushdata4Stack == directStack);
 }
 
@@ -525,15 +525,15 @@ BOOST_AUTO_TEST_CASE(script_CHECKMULTISIG12)
     CMutableTransaction txTo12 = BuildSpendingTransaction(CScript(), txFrom12);
 
     CScript goodsig1 = sign_multisig(scriptPubKey12, key1, txTo12);
-    BOOST_CHECK(VerifyScript(goodsig1, scriptPubKey12, txTo12, 0, flags));
+    BOOST_CHECK(VerifyScript(goodsig1, scriptPubKey12, flags, SignatureChecker(txTo12, 0)));
     txTo12.vout[0].nValue = 2;
-    BOOST_CHECK(!VerifyScript(goodsig1, scriptPubKey12, txTo12, 0, flags));
+    BOOST_CHECK(!VerifyScript(goodsig1, scriptPubKey12, flags, SignatureChecker(txTo12, 0)));
 
     CScript goodsig2 = sign_multisig(scriptPubKey12, key2, txTo12);
-    BOOST_CHECK(VerifyScript(goodsig2, scriptPubKey12, txTo12, 0, flags));
+    BOOST_CHECK(VerifyScript(goodsig2, scriptPubKey12, flags, SignatureChecker(txTo12, 0)));
 
     CScript badsig1 = sign_multisig(scriptPubKey12, key3, txTo12);
-    BOOST_CHECK(!VerifyScript(badsig1, scriptPubKey12, txTo12, 0, flags));
+    BOOST_CHECK(!VerifyScript(badsig1, scriptPubKey12, flags, SignatureChecker(txTo12, 0)));
 }
 
 BOOST_AUTO_TEST_CASE(script_CHECKMULTISIG23)
@@ -553,46 +553,46 @@ BOOST_AUTO_TEST_CASE(script_CHECKMULTISIG23)
     std::vector<CKey> keys;
     keys.push_back(key1); keys.push_back(key2);
     CScript goodsig1 = sign_multisig(scriptPubKey23, keys, txTo23);
-    BOOST_CHECK(VerifyScript(goodsig1, scriptPubKey23, txTo23, 0, flags));
+    BOOST_CHECK(VerifyScript(goodsig1, scriptPubKey23, flags, SignatureChecker(txTo23, 0)));
 
     keys.clear();
     keys.push_back(key1); keys.push_back(key3);
     CScript goodsig2 = sign_multisig(scriptPubKey23, keys, txTo23);
-    BOOST_CHECK(VerifyScript(goodsig2, scriptPubKey23, txTo23, 0, flags));
+    BOOST_CHECK(VerifyScript(goodsig2, scriptPubKey23, flags, SignatureChecker(txTo23, 0)));
 
     keys.clear();
     keys.push_back(key2); keys.push_back(key3);
     CScript goodsig3 = sign_multisig(scriptPubKey23, keys, txTo23);
-    BOOST_CHECK(VerifyScript(goodsig3, scriptPubKey23, txTo23, 0, flags));
+    BOOST_CHECK(VerifyScript(goodsig3, scriptPubKey23, flags, SignatureChecker(txTo23, 0)));
 
     keys.clear();
     keys.push_back(key2); keys.push_back(key2); // Can't re-use sig
     CScript badsig1 = sign_multisig(scriptPubKey23, keys, txTo23);
-    BOOST_CHECK(!VerifyScript(badsig1, scriptPubKey23, txTo23, 0, flags));
+    BOOST_CHECK(!VerifyScript(badsig1, scriptPubKey23, flags, SignatureChecker(txTo23, 0)));
 
     keys.clear();
     keys.push_back(key2); keys.push_back(key1); // sigs must be in correct order
     CScript badsig2 = sign_multisig(scriptPubKey23, keys, txTo23);
-    BOOST_CHECK(!VerifyScript(badsig2, scriptPubKey23, txTo23, 0, flags));
+    BOOST_CHECK(!VerifyScript(badsig2, scriptPubKey23, flags, SignatureChecker(txTo23, 0)));
 
     keys.clear();
     keys.push_back(key3); keys.push_back(key2); // sigs must be in correct order
     CScript badsig3 = sign_multisig(scriptPubKey23, keys, txTo23);
-    BOOST_CHECK(!VerifyScript(badsig3, scriptPubKey23, txTo23, 0, flags));
+    BOOST_CHECK(!VerifyScript(badsig3, scriptPubKey23, flags, SignatureChecker(txTo23, 0)));
 
     keys.clear();
     keys.push_back(key4); keys.push_back(key2); // sigs must match pubkeys
     CScript badsig4 = sign_multisig(scriptPubKey23, keys, txTo23);
-    BOOST_CHECK(!VerifyScript(badsig4, scriptPubKey23, txTo23, 0, flags));
+    BOOST_CHECK(!VerifyScript(badsig4, scriptPubKey23, flags, SignatureChecker(txTo23, 0)));
 
     keys.clear();
     keys.push_back(key1); keys.push_back(key4); // sigs must match pubkeys
     CScript badsig5 = sign_multisig(scriptPubKey23, keys, txTo23);
-    BOOST_CHECK(!VerifyScript(badsig5, scriptPubKey23, txTo23, 0, flags));
+    BOOST_CHECK(!VerifyScript(badsig5, scriptPubKey23, flags, SignatureChecker(txTo23, 0)));
 
     keys.clear(); // Must have signatures
     CScript badsig6 = sign_multisig(scriptPubKey23, keys, txTo23);
-    BOOST_CHECK(!VerifyScript(badsig6, scriptPubKey23, txTo23, 0, flags));
+    BOOST_CHECK(!VerifyScript(badsig6, scriptPubKey23, flags, SignatureChecker(txTo23, 0)));
 }    
 
 BOOST_AUTO_TEST_CASE(script_combineSigs)
diff --git a/src/test/transaction_tests.cpp b/src/test/transaction_tests.cpp
index 83116b51e5..823afa1680 100644
--- a/src/test/transaction_tests.cpp
+++ b/src/test/transaction_tests.cpp
@@ -27,7 +27,6 @@ using namespace boost::algorithm;
 // In script_tests.cpp
 extern Array read_json(const std::string& jsondata);
 
-// Note how NOCACHE is not included as it is a runtime-only flag.
 static std::map<string, unsigned int> mapFlagNames = boost::assign::map_list_of
     (string("NONE"), (unsigned int)SCRIPT_VERIFY_NONE)
     (string("P2SH"), (unsigned int)SCRIPT_VERIFY_P2SH)
@@ -139,7 +138,7 @@ BOOST_AUTO_TEST_CASE(tx_valid)
 
                 unsigned int verify_flags = ParseScriptFlags(test[2].get_str());
                 BOOST_CHECK_MESSAGE(VerifyScript(tx.vin[i].scriptSig, mapprevOutScriptPubKeys[tx.vin[i].prevout],
-                                                 tx, i, verify_flags),
+                                                 verify_flags, SignatureChecker(tx, i)),
                                     strTest);
             }
         }
@@ -212,7 +211,7 @@ BOOST_AUTO_TEST_CASE(tx_invalid)
 
                 unsigned int verify_flags = ParseScriptFlags(test[2].get_str());
                 fValid = VerifyScript(tx.vin[i].scriptSig, mapprevOutScriptPubKeys[tx.vin[i].prevout],
-                                      tx, i, verify_flags);
+                                      verify_flags, SignatureChecker(tx, i));
             }
 
             BOOST_CHECK_MESSAGE(!fValid, strTest);