Integer tempalte matching opcode.

[novacoin.git] / src / script.cpp

diff --git a/src/script.cpp b/src/script.cpp
index 570e8a4..1b504e4 100644 (file)
--- a/src/script.cpp
+++ b/src/script.cpp
@@ -294,7 +294,7 @@ bool IsDERSignature(const valtype &vchSig, bool fWithHashType, bool fCheckLow) {
     if (5 + nLenR >= vchSig.size())
         return error("Non-canonical signature: S length misplaced");
     unsigned int nLenS = vchSig[5+nLenR];
-    if ((unsigned long)(nLenR + nLenS + (fWithHashType ? 7 : 6)) != vchSig.size())
+    if ((nLenR + nLenS + (fWithHashType ? 7 : 6)) != vchSig.size())
         return error("Non-canonical signature: R+S length mismatch");
 
     const unsigned char *R = &vchSig[4];
@@ -1342,6 +1342,20 @@ bool Solver(const CScript& scriptPubKey, txnouttype& typeRet, vector<vector<unsi
                 else
                     break;
             }
+            else if (opcode2 == OP_INTEGER)
+            {   // Up to four-byte integer pushed onto vSolutions
+                try
+                {
+                    CBigNum bnVal = CastToBigNum(vch1);
+                    if (bnVal <= 16)
+                        break; // It's better to use OP_0 ... OP_16 for small integers.
+                    vSolutionsRet.push_back(vch1);
+                }
+                catch(...)
+                {
+                    break;
+                }
+            }
             else if (opcode2 == OP_SMALLDATA)
             {
                 // small pushdata, <= 1024 bytes