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Diffstat (limited to 'src/script.cpp')
-rw-r--r--src/script.cpp33
1 files changed, 12 insertions, 21 deletions
diff --git a/src/script.cpp b/src/script.cpp
index 7e1d5785e8..2c7fd59874 100644
--- a/src/script.cpp
+++ b/src/script.cpp
@@ -1100,11 +1100,7 @@ bool CheckSig(vector<unsigned char> vchSig, vector<unsigned char> vchPubKey, CSc
if (signatureCache.Get(sighash, vchSig, vchPubKey))
return true;
- CKey key;
- if (!key.SetPubKey(vchPubKey))
- return false;
-
- if (!key.Verify(sighash, vchSig))
+ if (!CPubKey(vchPubKey).Verify(sighash, vchSig))
return false;
if (!(flags & SCRIPT_VERIFY_NOCACHE))
@@ -1770,13 +1766,13 @@ void CScript::SetDestination(const CTxDestination& dest)
boost::apply_visitor(CScriptVisitor(this), dest);
}
-void CScript::SetMultisig(int nRequired, const std::vector<CKey>& keys)
+void CScript::SetMultisig(int nRequired, const std::vector<CPubKey>& keys)
{
this->clear();
*this << EncodeOP_N(nRequired);
- BOOST_FOREACH(const CKey& key, keys)
- *this << key.GetPubKey();
+ BOOST_FOREACH(const CPubKey& key, keys)
+ *this << key;
*this << EncodeOP_N(keys.size()) << OP_CHECKMULTISIG;
}
@@ -1801,20 +1797,17 @@ bool CScriptCompressor::IsToScriptID(CScriptID &hash) const
return false;
}
-bool CScriptCompressor::IsToPubKey(std::vector<unsigned char> &pubkey) const
+bool CScriptCompressor::IsToPubKey(CPubKey &pubkey) const
{
if (script.size() == 35 && script[0] == 33 && script[34] == OP_CHECKSIG
&& (script[1] == 0x02 || script[1] == 0x03)) {
- pubkey.resize(33);
- memcpy(&pubkey[0], &script[1], 33);
+ pubkey.Set(&script[1], &script[34]);
return true;
}
if (script.size() == 67 && script[0] == 65 && script[66] == OP_CHECKSIG
&& script[1] == 0x04) {
- pubkey.resize(65);
- memcpy(&pubkey[0], &script[1], 65);
- CKey key;
- return (key.SetPubKey(CPubKey(pubkey))); // SetPubKey fails if this is not a valid public key, a case that would not be compressible
+ pubkey.Set(&script[1], &script[66]);
+ return pubkey.IsFullyValid(); // if not fully valid, a case that would not be compressible
}
return false;
}
@@ -1835,7 +1828,7 @@ bool CScriptCompressor::Compress(std::vector<unsigned char> &out) const
memcpy(&out[1], &scriptID, 20);
return true;
}
- std::vector<unsigned char> pubkey;
+ CPubKey pubkey;
if (IsToPubKey(pubkey)) {
out.resize(33);
memcpy(&out[1], &pubkey[1], 32);
@@ -1888,14 +1881,12 @@ bool CScriptCompressor::Decompress(unsigned int nSize, const std::vector<unsigne
return true;
case 0x04:
case 0x05:
- std::vector<unsigned char> vch(33, 0x00);
+ unsigned char vch[33] = {};
vch[0] = nSize - 2;
memcpy(&vch[1], &in[0], 32);
- CKey key;
- if (!key.SetPubKey(CPubKey(vch)))
+ CPubKey pubkey(&vch[0], &vch[33]);
+ if (!pubkey.Decompress())
return false;
- key.SetCompressedPubKey(false); // Decompress public key
- const CPubKey pubkey = key.GetPubKey();
assert(pubkey.size() == 65);
script.resize(67);
script[0] = 65;