From f1136200a67fc1df894d45fba51b40f748e0b889 Mon Sep 17 00:00:00 2001
From: Pieter Wuille <pieter.wuille@gmail.com>
Date: Sat, 8 Sep 2012 17:33:10 +0200
Subject: Move VerifySignature to main

---
 src/main.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/main.cpp')

diff --git a/src/main.cpp b/src/main.cpp
index 28fbc8b45..c0446370a 100644
--- a/src/main.cpp
+++ b/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())
-- 
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