Commit Graph

7 Commits

Author SHA1 Message Date
akildemir
39ce819876 Slash malevolent validators (#294)
* add slash tx

* ignore unsigned tx replays

* verify that provided evidence is valid

* fix clippy + fmt

* move application tx handling to another module

* partially handle the tendermint txs

* fix pr comments

* support unsigned app txs

* add slash target to the votes

* enforce provided, unsigned, signed tx ordering within a block

* bug fixes

* add unit test for tendermint txs

* bug fixes

* update tests for tendermint txs

* add tx ordering test

* tidy up tx ordering test

* cargo +nightly fmt

* Misc fixes from rebasing

* Finish resolving clippy

* Remove sha3 from tendermint-machine

* Resolve a DoS in SlashEvidence's read

Also moves Evidence from Vec<Message> to (Message, Option<Message>). That
should meet all requirements while being a bit safer.

* Make lazy_static a dev-depend for tributary

* Various small tweaks

One use of sort was inefficient, sorting unsigned || signed when unsigned was
already properly sorted. Given how the unsigned TXs were given a nonce of 0, an
unstable sort may swap places with an unsigned TX and a signed TX with a nonce
of 0 (leading to a faulty block).

The extra protection added here sorts signed, then concats.

* Fix Tributary tests I broke, start review on tendermint/tx.rs

* Finish reviewing everything outside tests and empty_signature

* Remove empty_signature

empty_signature led to corrupted local state histories. Unfortunately, the API
is only sane with a signature.

We now use the actual signature, which risks creating a signature over a
malicious message if we have ever have an invariant producing malicious
messages. Prior, we only signed the message after the local machine confirmed
it was okay per the local view of consensus.

This is tolerated/preferred over a corrupt state history since production of
such messages is already an invariant. TODOs are added to make handling of this
theoretical invariant further robust.

* Remove async_sequential for tokio::test

There was no competition for resources forcing them to be run sequentially.

* Modify block order test to be statistically significant without multiple runs

* Clean tests

---------

Co-authored-by: Luke Parker <lukeparker5132@gmail.com>
2023-08-21 00:28:23 -04:00
Luke Parker
7e71450dc4 Bug fixes and log statements
Also shims next nonce code with a fine-for-now piece of code which is unviable
in production, yet should survive testnet.
2023-08-13 04:03:59 -04:00
Luke Parker
ad5522d854 Start handling P2P messages
This defines the tart of a very complex series of locks I'm really unhappy
with. At the same time, there's not immediately a better solution. This also
should work without issue.
2023-04-23 17:01:30 -04:00
Luke Parker
5858b6c03e Replace Tendermint step with sync_block
Step moved a step forward after an externally synced/added block. This created
a race condition to add the block between the sync process and the Tendermint
machine. Now that the block routes through Tendermint, there is no such race
condition.
2023-04-13 18:18:29 -04:00
Luke Parker
03a6470a5b Finish binding Tendermint, bar the P2P layer 2023-04-12 18:04:28 -04:00
Luke Parker
61757d5e19 Remove the substrate feature from tendermint 2023-04-11 10:34:41 -04:00
Luke Parker
09f8ac37c4 Create a folder for tributary, the micro-blockchain
Moves tendermint again, this time under tributary.
2023-04-11 10:18:31 -04:00