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Change logic for verified beacons
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This commit allows beacons that are already active to be pending
and verified again, to be able to properly handle certain expiration
and forced readvertisement cases.
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@jamescowens
jamescowens committed Jul 4, 2020
1 parent ceea98b commit d2f7214
Showing 1 changed file with 46 additions and 34 deletions.
80 changes: 46 additions & 34 deletions src/scraper/scraper.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2230,57 +2230,69 @@ bool ProcessProjectRacFileByCPID(const std::string& project, const fs::path& fil

const std::string& cpid = ExtractXML(data, "<cpid>", "</cpid>");

// If the CPID is active, then this is skipped and the CPID is included.
// If it is not active, then check if already verified. If so, then drop through
// and include. If not active and not already verified, then attempt
// to verify by matching the username to the "verification code" from the
// pending beacons. If this is matched then add to the incoming verified
// Attempt to verify pending beacons by matching the username to the
// "verification code" from the pending beacon with the same CPID.
// If this is matched then add to the incoming verified
// map, but do not add CPID to the statistic (this go 'round).
if (Consensus.mBeaconMap.count(cpid) < 1)

bool active = Consensus.mBeaconMap.count(cpid);

bool already_verified = false;
for (const auto& entry : GlobalVerifiedBeaconsCopy.mVerifiedMap)
{
// If not active, then check whether on passed in copy of the
// global verified beacons.
unsigned int already_verified = 0;
for (const auto& entry : GlobalVerifiedBeaconsCopy.mVerifiedMap)
{
if (entry.second.cpid == cpid) ++already_verified;
}
if (entry.second.cpid == cpid) already_verified = true;

if (!already_verified)
{
// Attempt to verify.
break;
}

const std::string username = ExtractXML(data, "<name>", "</name>");
bool just_verified = false;
if (!already_verified)
{
// Attempt to verify.

// Base58-encoded beacon verification code sizes fall within:
if (username.size() < 26 || username.size() > 28) continue;
const std::string username = ExtractXML(data, "<name>", "</name>");

// Base58-encoded beacon verification code sizes fall within:
if (username.size() >= 26 && username.size() <= 28)
{
// The username has to be temporarily changed to a "verification code" that is
// a base58 encoded version of the public key of the pending beacon, so that
// it will match the mPendingMap entry. This is the crux of the user validation.
const auto iter_pair = Consensus.mPendingMap.find(username);

if (iter_pair == Consensus.mPendingMap.end()) continue;
if (iter_pair->second.cpid != cpid) continue;

// This copies the pending beacon entry into the local VerifiedBeacons map and updates
// the time entry.
IncomingVerifiedBeacons.mVerifiedMap[iter_pair->first] = iter_pair->second;
if (iter_pair != Consensus.mPendingMap.end() && iter_pair->second.cpid == cpid)
{
// This copies the pending beacon entry into the local VerifiedBeacons map and updates
// the time entry.
IncomingVerifiedBeacons.mVerifiedMap[iter_pair->first] = iter_pair->second;

_log(logattribute::INFO, "ProcessProjectRacFileByCPID", "Verified pending beacon for verification code "
+ iter_pair->first + ", cpid " + iter_pair->second.cpid);
_log(logattribute::INFO, "ProcessProjectRacFileByCPID", "Verified pending beacon for verification code "
+ iter_pair->first + ", cpid " + iter_pair->second.cpid);

IncomingVerifiedBeacons.timestamp = GetAdjustedTime();
IncomingVerifiedBeacons.timestamp = GetAdjustedTime();

// We do NOT want to add a just verified CPID to the statistics this iteration,
// because we may be halfway through processing the set of projects. Instead, add to the
// incoming verification map (above), which will be handled in the calling function once
// all of the projects are gone through. This will become a verified beacon the next time
// around.
continue;
just_verified = true;
}
}
}

// We do NOT want to add a just verified CPID to the statistics this iteration, if it was
// not already active, because we may be halfway through processing the set of projects.
// Instead, add to the incoming verification map (above), which will be handled in the
// calling function once all of the projects are gone through. This will become a verified
// beacon the next time around. This is potentially confusing... a truth table is in order...

// active already verified just verified no stats (continue)
// false false false true (this is the initial beacon advertise case)
// false false true true
// false true false false
// false true true xxxxx invalid (just verified checks for already)
// true false false false
// true true false false
// true false true false
// true true true xxxxx invalid (just verified checks for already)
if (!active && !already_verified) continue;

// Only do this if team membership filtering is specified by network policy.
if (REQUIRE_TEAM_WHITELIST_MEMBERSHIP)
{
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