bool
CommunicationProtocol::unwindMessage( CMessage const & _message, CMessage & _originalMessage, int64_t const _time, CPubKey const & _pubKey )
{
if ( _time < _message.m_header.m_time )
{
// this should be serviced in special way
// clock of trackers may be not synchronized
// return false;
}
if ( _message.m_header.m_payloadKind != CPayloadKind::IntroductionReq )
{
uint256 messageHash = Hash( &_message.m_payload.front(), &_message.m_payload.back() );
if ( !_pubKey.Verify(messageHash, _message.m_header.m_signedHash ) )
return false;
}
if( _message.m_header.m_prevKey.IsValid() )
{
CMessage message;
readPayload( _message.m_payload, message );
return unwindMessage(message, _originalMessage, _message.m_header.m_time, _message.m_header.m_prevKey );
}
_originalMessage = _message;
//_payload =*(Payload *)_message.m_payload;
return true;
}
bool TransactionSignatureChecker::VerifySignature(const vector<unsigned char>& vchSig, const CPubKey& pubkey, const uint256& sighash) const
{
return pubkey.Verify(sighash, vchSig);
}
bool CheckBlockSignature(const CBlock& block, const CPubKey& pubkeyMasternode)
{
uint256 hashBlock = block.GetHash();
return pubkeyMasternode.Verify(hashBlock, block.vchBlockSig);
}
