* Use a single thread to persist received world state nodes to avoid RocksDB timeouts due to contention on the write lock.
* Fix RocksDbTaskQueue so it doesn't read stale data when resuming a transfer.
* Skip downloading empty trie nodes.
* Log unhandled errors from world state download requests
Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>
* Instantiate individual metrics where they're used
* Cache prometheus metrics to allow "duplicate" creation of metrics
Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>
Adds a PeerValidator that, when the Dao fork milestone is in use, checks that the Dao block is present on each peer when they connect and disconnects them if they are on the wrong chain.
Also:
* Make GetHeadersFromPeer task stricter in validating response matches.
* Update BlockHeadersMessage to return a list of headers
* Add more controls to DeterministicEthScheduler test util
Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>
* Do parallel extract signatures in the parallel block importer.
* remove the extraction from FullSyncBlockHandler
Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>
There's an issue with the world state downloader where the download process could stall. The sequence goes like:
1. Inside requestDataFromPeer thread A takes out the sendingRequests lock
2. Thread A checks shouldRequestNodeData which returns true
3. Thread A sends a request for data
4. Thread A checks shouldRequestNodeData which returns false so it exits the while loop
5. Thread B receives the response to the (only) outstanding request
6. Thread B enters shouldRequestNodeData but fails to get the sendingRequests lock so exits the method
7. Thread A releases the sendingRequests lock and exits the methods
There are now no threads checking if they should send new requests and no outstanding requests to trigger a check in the future so the download is stuck and will never make anymore progress.
The fix is to switch the order of taking out the sendingRequests lock and checking shouldRequestNodeData so we release the sendingRequests lock before we go back round the loop to check shouldRequestNodeData.
Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>
* move to an offer() instead of a put() on the downloader so that when
the task is stopped the put will see that it is done and not wait
forever.
* remove peer based focus of the task. Let subtasks pick their peers.
Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>
There is a failure mode of IBFT whereby a validator fails to import
a block, and also fails to receive the NewBlock message from its
peers. This means said validator is unable to participate in
subsequent rounds, and may cause the network to halt.
To overcome this issue, if an IBFT validator receives messages from
a future height, it will update the "BestEstimatedHeight" of the
corresponding EthPeer object, such that the Synchroniser will
(eventually) download the requisite blocks - thus allowing the
IBFT network to continue to operate.
Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>
--> adapt `BlockBroadcaster` to use `send` method on `EthPeer`
--> adapt `EthProtocolMamnager` to utilize `BlockBroadcaster` to disseminate newly mined block
Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>
* don't create a new CommandLine object in the case of exception - this caused the help to be missing the mixins added
Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>
* o
* add test
* clean up
* scaffolding
* update
* update
* comments
* add test
* update
* update ii
* format
* update ii
* fix
* verifyBroadcastBlockInvocation
* test
* update
* update to difficulty calculation
* remove BlockBroadcasterTest from this pr
* update
* update
* update II
Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>
* Reduce logging for invalid peer discovery packets. The message is enough to locate the source of the rejection.
* Reduce ECIESHandshaker logging to trace since it documents a normal flow through the handshake process.
Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>
Adrian Sutton
Chris Mckay
Jason Frame
Ivaylo Kirilov
S. Matthew English
mbaxter
Danno Ferrin
Trent Mohay
Sally MacFarlane
Lucas Saldanha
mark-terry