Fixes and issue with Polygon validators where locally mined blocks are
broadcast with invalid header hashes because the NewBlock message
constructor was removing the ReceiptHash which contributed to the header
hash.
The results in the bor header validation code not being able to
correctly identify the signer of the header - so header validation
fails.
This also likely fixes part of the bogon-block issue which was
identified by the polygon team.
Currently PropagateNewBlockHashes and BroadcastNewBlock
selects a subset of all sentries by taking a `Sqrt(len(sentries))`,
and then for each sentry SendMessageToRandomPeers
selects a subset of its peers by taking `Sqrt(len(peerInfos))`.
This behaviour limits the broadcast scope with a lot of peers, e.g. 100
becomes 10,
but is not great with very few peers, or if the message is very
important
to broadcast to everyone, which is the case of bor validator/proposer
nodes.
* send to all sentries in both BroadcastNewBlock and PropagateNewBlockHashes
* remove peerCountConstrained sqrt logic in SendMessageToRandomPeers
* add maxPeers provider func as a parameter to MultiClient
* default it to 10 for eth and 0 (unlimited) for bor validators
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Co-authored-by: Mark Holt <mark@distributed.vision>
An update to the devnet to introduce a local heimdall to facilitate
multiple validators without the need for an external process, and hence
validator registration/staking etc.
In this initial release only span generation is supported.
It has the following changes:
* Introduction of a local grpc heimdall interface
* Allocation of accounts via a devnet account generator ()
* Introduction on 'Services' for the network config
"--chain bor-devnet --bor.localheimdall" will run a 2 validator network
with a local service
"--chain bor-devnet --bor.withoutheimdall" will sun a single validator
with no heimdall service as before
---------
Co-authored-by: Alex Sharp <alexsharp@Alexs-MacBook-Pro-2.local>
