Move VerifySignature to main

src/main.cpp

@@ -1348,6 +1348,17 @@ bool CTransaction::HaveInputs(CCoinsViewCache &inputs) const
     return true;
 }
 
+bool VerifySignature(const CCoins& txFrom, const CTransaction& txTo, unsigned int nIn, unsigned int flags, int nHashType)
+{
+    assert(nIn < txTo.vin.size());
+    const CTxIn& txin = txTo.vin[nIn];
+    if (txin.prevout.n >= txFrom.vout.size())
+        return false;
+    const CTxOut& txout = txFrom.vout[txin.prevout.n];
+
+    return VerifyScript(txin.scriptSig, txout.scriptPubKey, txTo, nIn, flags, nHashType);
+}
+
 bool CTransaction::CheckInputs(CCoinsViewCache &inputs, enum CheckSig_mode csmode, unsigned int flags) const
 {
     if (!IsCoinBase())

src/main.h

@@ -164,6 +164,8 @@ bool SetBestChain(CBlockIndex* pindexNew);
 bool ConnectBestBlock();
 /** Create a new block index entry for a given block hash */
 CBlockIndex * InsertBlockIndex(uint256 hash);
+/** Verify a signature */
+bool VerifySignature(const CCoins& txFrom, const CTransaction& txTo, unsigned int nIn, unsigned int flags, int nHashType);
 
 
 

src/script.cpp

@@ -1723,17 +1723,6 @@ bool SignSignature(const CKeyStore &keystore, const CTransaction& txFrom, CTrans
     return SignSignature(keystore, txout.scriptPubKey, txTo, nIn, nHashType);
 }
 
-bool VerifySignature(const CCoins& txFrom, const CTransaction& txTo, unsigned int nIn, unsigned int flags, int nHashType)
-{
-    assert(nIn < txTo.vin.size());
-    const CTxIn& txin = txTo.vin[nIn];
-    if (txin.prevout.n >= txFrom.vout.size())
-        return false;
-    const CTxOut& txout = txFrom.vout[txin.prevout.n];
-
-    return VerifyScript(txin.scriptSig, txout.scriptPubKey, txTo, nIn, flags, nHashType);
-}
-
 static CScript PushAll(const vector<valtype>& values)
 {
     CScript result;

src/script.h

@@ -673,9 +673,7 @@ bool ExtractDestination(const CScript& scriptPubKey, CTxDestination& addressRet)
 bool ExtractDestinations(const CScript& scriptPubKey, txnouttype& typeRet, std::vector<CTxDestination>& addressRet, int& nRequiredRet);
 bool SignSignature(const CKeyStore& keystore, const CScript& fromPubKey, CTransaction& txTo, unsigned int nIn, int nHashType=SIGHASH_ALL);
 bool SignSignature(const CKeyStore& keystore, const CTransaction& txFrom, CTransaction& txTo, unsigned int nIn, int nHashType=SIGHASH_ALL);
-bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const CTransaction& txTo, unsigned int nIn,
-                   unsigned int flags, int nHashType);
-bool VerifySignature(const CCoins& txFrom, const CTransaction& txTo, unsigned int nIn, unsigned int flags, int nHashType);
+bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const CTransaction& txTo, unsigned int nIn, unsigned int flags, int nHashType);
 
 // Given two sets of signatures for scriptPubKey, possibly with OP_0 placeholders,
 // combine them intelligently and return the result.