When there are long periods of non-finality, `nodeIsViableForHead` has
been observed to consume significant time as it repeatedly walks the
non-finalized check graph as part of determining what heads are eligible
for fork choice. Caching the result resolves that.
Overall, it may still be better to prune fork choice more aggressively
when finality advances, to fully avoid the case specced out using the
linear scan. The current implementation is very close to spec, though,
so such a change should not be introduced without thorough testing.
The simple cache should allow significantly better performance on Goerli
while the network is still supported (Mid April).
In `block_dag` there is a max depth of 100 years configured to detect
internal inconsistencies, e.g., circular references. As `BlockRef` was
changed long ago to only reflect the non-finalized chain segment, the
theoretically supported max depth can be reduced and simplified.
We don't need the `cfg` right now, but it makes sense to have the object
passed to the clock so that the API doesn't break if we want to support
configurable `SECONDS_PER_SLOT`. As the `libnimbus_lc` library is not
yet widely used, better to add the argument now than later.
The `syncHorizon` describes the number of empty slots before the beacon
node considers itself to be out of sync. There are two places where we
currently set this to 50 slots, but it makes more sense to base it on
wall time, e.g., the 10 minutes that the default 50 are derived from.
* allow specifying get_proposer_reward block root at state.slot
* Add consensus_block_value calculation.
* Address review comments.
* Post-rebase adjustments.
* Use proper state to calculate consensus block value.
* Revert "allow specifying get_proposer_reward block root at state.slot"
This reverts commit 9fef9a8199f63056060527ac2531acc3b0ed8dcb.
* Fix post-revert problems.
Return back to Gwei.
* Adding test which is not working.
* Do not use test suite if it does not have post-state.
* Add debug logging.
* Increase logging to track sources of balance changes.
* Fix sync committee rewards/penalties calculation.
* Revert "Increase logging to track sources of balance changes."
This reverts commit 32feb20f2fdb66521401710866cd59ecc9951ef8.
* Adopt new vision to block rewards.
* Add block produce logging to VC.
* Remove rewards.nim.
* Eliminate toWei changes.
* Improve UInt256 shortLog.
* Fix conversion procedure.
* Address review comments.
* Fix test.
* Revert "Fix test."
This reverts commit 4948b2c1ec.
---------
Co-authored-by: tersec <tersec@users.noreply.github.com>
Co-authored-by: Etan Kissling <etan@status.im>
Provide additional context in the `syncEth1Chain tick` debug log to aid
with understanding of flow when debugging on a more precise basis than
just having the metrics.
Corrects a regression from #5998 that led to crashes in #6046.
In `trustedNodeSync` mode, the config does not contain genesis keys,
so attempting to load from them is a `Defect`.
Fix the `/eth/v1/beacon/deposit_snapshot` API to produce proper EIP-4881
compatible `DepositTreeSnapshot` responses. The endpoint used to expose
a Nimbus-specific database internal format.
Also fix trusted node sync to consume properly formatted EIP-4881 data
with `--with-deposit-snapshot`, and `--finalized-deposit-tree-snapshot`
beacon node launch option to use the EIP-4881 data. Further ensure that
`ncli_testnet` produces EIP-4881 formatted data for interoperability.
EIP-4881 was never correctly implemented, the `DepositTreeSnapshot`
structure has nothing to do with its actual definition. Reflect that
by renaming the type to a Nimbus-specific `DepositContractSnapshot`,
so that an actual EIP-4881 implementation can use the correct names.
- https://eips.ethereum.org/EIPS/eip-4881#specification
Notably, `DepositTreeSnapshot` contains a compressed sequence in
`finalized`, only containing the minimally required intermediate roots.
That also explains the incorrect REST response reported in #5508.
The non-canonical representation was introduced in #4303 and is also
persisted in the database. We'll have to maintain it for a while.
`nextActionWait` currently shows `n/a` if only proposal is scheduled
but no attestation, e.g., attestation was already made for current
epoch and validator is exiting next epoch so doesn't have another
attestation lined up. It's an edge case but it's still more correct
to also log `nextActionWait` if only proposal is scheduled.
When using `--external-beacon-api-url`, one has to accompany it with
either `--trusted-block-root` or `--trusted-state-root`. If neither is
specified, we can fallback to a deeply finalized noncontroversial block
root. For networks that started post Altair, e.g., Holesky, the genesis
block root fulfills that requirement, as in, it is implicitly trusted.
Therefore, if only `--external-beacon-api-url` is provided without any
`--trusted-block-root` or `--trusted-state-root`, use genesis block root
if it is a viable starting point (post-Altair).
```
build/nimbus_beacon_node \
--network=holesky \
--data-dir="$HOME/Downloads/nimbus/data/holesky" \
"--external-beacon-api-url=http://unstable.holesky.beacon-api.nimbus.team" \
--tcp-port=9010 --udp-port=9010 \
--rest --log-level=DEBUG \
--no-el
```
The exports in `eth2_discovery` produce deprecation warnings as they
refer to `close`, `closeWait` and so on. Turns out that they are not
necessary at all. The `Eth2DiscoveryProtocol` is even already exported
two lines above using `*` marker...
During refactoring of #5959, some implicit `return` were overlooked,
resulting in spurious `err()` being returned without message.
```
{"lvl":"WRN","ts":"2024-02-26 10:12:20.469+00:00","msg":"Beacon nodes report different configuration values","reason":"","service":"fallback_service","node":"http://127.0.0.1:9303[Nimbus/v24.2.1-4e9bc7-stateofus]","node_index":0,"node_roles":"AGBSDT"}
```
Correcting the helpers to return explicit result in all exhaustive
cases so that this cannot happen anymore by accident.
* add EIP-7044 support to keymanager API
When trying to sign `VoluntaryExit` via keymanager API, the logic is not
yet aware of EIP-7044 (part of Deneb). This patch adds missing EIP-7044
support to the keymanager API as well.
As part of this, the VC needs to become aware about:
- `CAPELLA_FORK_VERSION`: To correctly form the EIP-7044 signing domain.
The fork schedule does not indicate which of the results, if any,
corresponds to Capella.
- `CAPELLA_FORK_EPOCH`: To detect whether Capella was scheduled.
If a BN does not have it in its config while other BNs have it,
this leads to a log if Capella has not activated yet, or marks the BN
as incompatible if Capella already activated.
- `DENEB_FORK_EPOCH`: To check whether EIP-7044 logic should be used.
Related PRs:
- #5120 added support for processing EIP-7044 `VoluntaryExit` messages
as part of the state transition functions (tested by EF spec tests).
- #5953 synced the support from #5120 to gossip validation.
- #5954 added support to the `nimbus_beacon_node deposits exit` command.
- #5956 contains an alternative generic version of `VCForkConfig`.
* address reviewer feedback: letter case, module location, double lookup
---------
Co-authored-by: cheatfate <eugene.kabanov@status.im>
* Update beacon_chain/rpc/rest_constants.nim
* move `VCRuntimeConfig` back to `rest_types`
---------
Co-authored-by: cheatfate <eugene.kabanov@status.im>
* fix `getForkVersion` helper
---------
Co-authored-by: cheatfate <eugene.kabanov@status.im>
In #5120, the `nimbus_beacon_node deposits exit` command was updated for
compatibility with EIP-7044, which forces signatures to be made using
`CAPELLA_FORK_VERSION` regardless of the `VoluntaryExit`'s `epoch` after
Deneb is activated.
This update had a regression, as an older mechanism was used to fetch
`RuntimeConfig`, resulting in an encoding issue (#5362). This was then
fixed in #5370, restoring general `deposits exit` functionality.
However, the logic from #5120 has another flaw, as it uses an incorrect
fork version based on the pre-Deneb logic even after Deneb and EIP-7044
are activated. Fix this now, so that `deposits exit` continues to work
correctly after Deneb activates.
In #5120, EIP-7044 support got added to the state transition function to
force `CAPELLA_FORK_VERSION` to be used when validiting `VoluntaryExit`
messages, irrespective of their `epoch`.
In #5637, similar logic was added when batch verifying BLS signatures,
which is used during gossip validation (libp2p gossipsub, and req/resp).
However, that logic did not match the one introduced in #5120, and only
uses `CAPELLA_FORK_VERSION` when a `VoluntaryExit`'s `epoch` was set to
a value `>= CAPELLA_FORK_EPOCH`. Otherwise, `BELLATRIX_FORK_VERSION`
would still be used when validating `VoluntaryExit`, e.g., with `epoch`
set to `0`, as is the case in this Holesky block:
- https://holesky.beaconcha.in/slot/1076985#voluntary-exits
Extracting the correct logic from #5120 into a function, and reusing it
when verifying BLS signatures fixes this issue, and also leverages the
exhaustive EF test suite that covers the (correct) #5120 logic.
This fix only affects networks that have EIP-7044 applied (post-Deneb).
Without the fix, Deneb blocks with a `VoluntaryExit` with `epoch` set to
`< CAPELLA_FORK_EPOCH` incorrectly fail to validate despite being valid.
Incorrect blocks that contain a malicious `VoluntaryExit` with `epoch`
set to `< CAPELLA_FORK_EPOCH` and signed using `BELLATRIX_FORK_VERSION`
_would_ pass the BLS verification stage, but subsequently fail the state
transition logic. Such blocks would still correctly be labeled invalid.
During refactoring of #5959, some implicit `return` were overlooked,
resulting in spurious `err()` being returned without message.
```
{"lvl":"WRN","ts":"2024-02-26 10:12:20.469+00:00","msg":"Beacon nodes report different configuration values","reason":"","service":"fallback_service","node":"http://127.0.0.1:9303[Nimbus/v24.2.1-4e9bc7-stateofus]","node_index":0,"node_roles":"AGBSDT"}
```
Correcting the helpers to return explicit result in all exhaustive
cases so that this cannot happen anymore by accident.
* add EIP-7044 support to keymanager API
When trying to sign `VoluntaryExit` via keymanager API, the logic is not
yet aware of EIP-7044 (part of Deneb). This patch adds missing EIP-7044
support to the keymanager API as well.
As part of this, the VC needs to become aware about:
- `CAPELLA_FORK_VERSION`: To correctly form the EIP-7044 signing domain.
The fork schedule does not indicate which of the results, if any,
corresponds to Capella.
- `CAPELLA_FORK_EPOCH`: To detect whether Capella was scheduled.
If a BN does not have it in its config while other BNs have it,
this leads to a log if Capella has not activated yet, or marks the BN
as incompatible if Capella already activated.
- `DENEB_FORK_EPOCH`: To check whether EIP-7044 logic should be used.
Related PRs:
- #5120 added support for processing EIP-7044 `VoluntaryExit` messages
as part of the state transition functions (tested by EF spec tests).
- #5953 synced the support from #5120 to gossip validation.
- #5954 added support to the `nimbus_beacon_node deposits exit` command.
- #5956 contains an alternative generic version of `VCForkConfig`.
* address reviewer feedback: letter case, module location, double lookup
---------
Co-authored-by: cheatfate <eugene.kabanov@status.im>
* Update beacon_chain/rpc/rest_constants.nim
* move `VCRuntimeConfig` back to `rest_types`
---------
Co-authored-by: cheatfate <eugene.kabanov@status.im>
* fix `getForkVersion` helper
---------
Co-authored-by: cheatfate <eugene.kabanov@status.im>
Fix regression from #5842 where `Eth-Execution-Payload-Value` is parsed
into `consensusValue` instead of `Eth-consensus-Block-Value`. We don't
use those values for now, but fixing avoids hard-to-debug bugs later.
Etan Kissling
tersec
Eugene Kabanov
Jacek Sieka
Zahary Karadjov