It was identified during a demonstration that Pantheon, when running
in IBFT would show a "Bad Block Import" when a validator was added or
removed from the validator pool.
It was determined this was due to IBFT maintaining a single, 'global'
copy of the curent list of validators, which was updated when a block
was imported - thus when a block which had been imported vi IBFT
was then received via Eth block propogation, the validator list would
not align with the global list (as it had been updated in the IBFT
import).
The solution has been to utilise the VoteTallyCache as used in the
Clique implementation.
Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>
To test the IBFT implementation at an integration level, an amount of "setup" is required.
This commit creates a framework of "n" 'external' nodes which are able to inject messages to the IbftController, while also exposing the messages received from the local node.
Thus integration tests are able to be written in terms of input events (including messages), expected (network) responses and changes in the blockchain state.
Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>
The IbftRound is responsible for sequencing the transmission of
network packets based on received data.
Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>
Upgrade dependency versions
* All version information is merged into one place
* Upgrade most version to their latest non-test version.
* dependencies are now sorted
Two dependencies were not upgraded:
errorprone - There are new checks that require build or source changes.
vertex - The license to eclipse 2.0 which is not in our current approved license list.
The change is trivial but for tracability it should be done alone.
Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>
Update value returned by web3_clientVersion to be ethstats friendly
* Version part starts with a v
* SNAPSHOT builds report 32 bits of the git hash
* OS and architecture are sniffed out and reported
* JVM version and branding are sniffed out and reported
Example values (not all real):
pantheon/v0.9.0-dev-f800a0b1/osx-x86_64/oracle-java-1.8
pantheon/v0.9.0-dev-27960b57/osx-x86_64/zulu-java-11
pantheon/v0.9.0/linux-arm64/openjdk-java-12
Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>