uint256 CGovernanceObject::GetHash() const
{
// Note: doesn't match serialization
// CREATE HASH OF ALL IMPORTANT PIECES OF DATA
CHashWriter ss(SER_GETHASH, PROTOCOL_VERSION);
ss << nHashParent;
ss << nRevision;
ss << nTime;
ss << GetDataAsHexString();
ss << masternodeOutpoint << uint8_t{} << 0xffffffff; // adding dummy values here to match old hashing
ss << vchSig;
// fee_tx is left out on purpose
DBG( printf("CGovernanceObject::GetHash %i %lli %s\n", nRevision, nTime, GetDataAsHexString().c_str()); );
uint256 CGovernanceObject::GetHash() const
{
// Note: doesn't match serialization
// CREATE HASH OF ALL IMPORTANT PIECES OF DATA
CHashWriter ss(SER_GETHASH, MIN_PEER_PROTO_VERSION);
ss << nHashParent;
ss << nRevision;
ss << nTime;
ss << GetDataAsHexString();
ss << masternodeOutpoint;
ss << vchSig;
// fee_tx is left out on purpose
DBG( printf("CGovernanceObject::GetHash %i %li %s\n", nRevision, nTime, GetDataAsHexString().c_str()); );
std::string CGovernanceObject::GetSignatureMessage() const
{
LOCK(cs);
std::string strMessage = nHashParent.ToString() + "|" +
boost::lexical_cast<std::string>(nRevision) + "|" +
boost::lexical_cast<std::string>(nTime) + "|" +
GetDataAsHexString() + "|" +
masternodeOutpoint.ToStringShort() + "|" +
nCollateralHash.ToString();
return strMessage;
}
bool CGovernanceObject::IsValidLocally(std::string& strError, bool& fMissingMasternode, bool& fMissingConfirmations, bool fCheckCollateral) const
{
fMissingMasternode = false;
fMissingConfirmations = false;
if (fUnparsable) {
strError = "Object data unparseable";
return false;
}
switch (nObjectType) {
case GOVERNANCE_OBJECT_PROPOSAL: {
CProposalValidator validator(GetDataAsHexString(), true);
// Note: It's ok to have expired proposals
// they are going to be cleared by CGovernanceManager::UpdateCachesAndClean()
// TODO: should they be tagged as "expired" to skip vote downloading?
if (!validator.Validate(false)) {
strError = strprintf("Invalid proposal data, error messages: %s", validator.GetErrorMessages());
return false;
}
if (fCheckCollateral && !IsCollateralValid(strError, fMissingConfirmations)) {
strError = "Invalid proposal collateral";
return false;
}
return true;
}
case GOVERNANCE_OBJECT_TRIGGER: {
if (!fCheckCollateral) {
// nothing else we can check here (yet?)
return true;
}
auto mnList = deterministicMNManager->GetListAtChainTip();
std::string strOutpoint = masternodeOutpoint.ToStringShort();
auto dmn = mnList.GetMNByCollateral(masternodeOutpoint);
if (!dmn) {
strError = "Failed to find Masternode by UTXO, missing masternode=" + strOutpoint;
return false;
}
if (!mnList.IsMNValid(dmn)) {
if (mnList.IsMNPoSeBanned(dmn)) {
strError = "Masternode is POSE_BANNED, masternode=" + strOutpoint;
} else {
strError = "Masternode is invalid for unknown reason, masternode=" + strOutpoint;
}
return false;
}
// Check that we have a valid MN signature
if (!CheckSignature(dmn->pdmnState->pubKeyOperator)) {
strError = "Invalid masternode signature for: " + strOutpoint + ", pubkey = " + dmn->pdmnState->pubKeyOperator.ToString();
return false;
}
return true;
}
default: {
strError = strprintf("Invalid object type %d", nObjectType);
return false;
}
}
}
