From 107b57df9fa8b2d625d2b342dc77722282a6ae4c Mon Sep 17 00:00:00 2001
From: Pieter Wuille <pieter@wuille.net>
Date: Fri, 11 Sep 2020 14:33:23 -0700
Subject: scripted-diff: put ECDSA in name of signature functions

In preparation for adding Schnorr versions of `CheckSig`, `VerifySignature`, and
`ComputeEntry`, give them an ECDSA specific name.

-BEGIN VERIFY SCRIPT-
sed -i 's/CheckSig(/CheckECDSASignature(/g' $(git grep -l CheckSig ./src)
sed -i 's/VerifySignature(/VerifyECDSASignature(/g' $(git grep -l VerifySignature ./src)
sed -i 's/ComputeEntry(/ComputeEntryECDSA(/g' $(git grep -l ComputeEntry ./src)
-END VERIFY SCRIPT-
---
 src/script/sign.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'src/script/sign.cpp')

diff --git a/src/script/sign.cpp b/src/script/sign.cpp
index 9b3f94f14..ace798eec 100644
--- a/src/script/sign.cpp
+++ b/src/script/sign.cpp
@@ -260,9 +260,9 @@ private:
 
 public:
     SignatureExtractorChecker(SignatureData& sigdata, BaseSignatureChecker& checker) : sigdata(sigdata), checker(checker) {}
-    bool CheckSig(const std::vector<unsigned char>& scriptSig, const std::vector<unsigned char>& vchPubKey, const CScript& scriptCode, SigVersion sigversion) const override
+    bool CheckECDSASignature(const std::vector<unsigned char>& scriptSig, const std::vector<unsigned char>& vchPubKey, const CScript& scriptCode, SigVersion sigversion) const override
     {
-        if (checker.CheckSig(scriptSig, vchPubKey, scriptCode, sigversion)) {
+        if (checker.CheckECDSASignature(scriptSig, vchPubKey, scriptCode, sigversion)) {
             CPubKey pubkey(vchPubKey);
             sigdata.signatures.emplace(pubkey.GetID(), SigPair(pubkey, scriptSig));
             return true;
@@ -339,7 +339,7 @@ SignatureData DataFromTransaction(const CMutableTransaction& tx, unsigned int nI
             for (unsigned int i = last_success_key; i < num_pubkeys; ++i) {
                 const valtype& pubkey = solutions[i+1];
                 // We either have a signature for this pubkey, or we have found a signature and it is valid
-                if (data.signatures.count(CPubKey(pubkey).GetID()) || extractor_checker.CheckSig(sig, pubkey, next_script, sigversion)) {
+                if (data.signatures.count(CPubKey(pubkey).GetID()) || extractor_checker.CheckECDSASignature(sig, pubkey, next_script, sigversion)) {
                     last_success_key = i + 1;
                     break;
                 }
@@ -400,7 +400,7 @@ class DummySignatureChecker final : public BaseSignatureChecker
 {
 public:
     DummySignatureChecker() {}
-    bool CheckSig(const std::vector<unsigned char>& scriptSig, const std::vector<unsigned char>& vchPubKey, const CScript& scriptCode, SigVersion sigversion) const override { return true; }
+    bool CheckECDSASignature(const std::vector<unsigned char>& scriptSig, const std::vector<unsigned char>& vchPubKey, const CScript& scriptCode, SigVersion sigversion) const override { return true; }
 };
 const DummySignatureChecker DUMMY_CHECKER;
 
-- 
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