dash/blackcoin-more
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

CSecret/CKey -> CKey/CPubKey split/refactor

Browse Source
This commit is contained in:
Pieter Wuille
2013-05-01 06:52:05 +02:00
committed by Pieter Wuille
parent 5d891489ab
commit dfa23b94c2
26 changed files with 578 additions and 609 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
src/script.cpp
View File

@@ -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;