v1.2.0
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Zahary Karadjov
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CHANGELOG.md
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CHANGELOG.md
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2021-04-05 v1.1.0
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2021-04-19 v1.2.0
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=================
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This release brings planned reforms to our database schema that provide substantial
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performance improvements and pave the way for an an improved doppelganger detection
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ready immediately to propose and attest to blocks (in a future release).
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If [`v1.1.0`](https://github.com/status-im/nimbus-eth2/releases/tag/v1.1.0)
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was the big I/O update, `v1.2.0` is all about the CPU - together, these
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updates help secure Nimbus against future network growth, and provide us
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with a higher security margin and substantial [profitability improvements]
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(https://twitter.com/ethnimbus/status/1384071918723092486).
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Please be aware that we will remain committed to maintaining backwards compatibility between
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releases, but **this release does not support downgrading back to any previous 1.0.x release**.
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To highlight just one data point, this release offers **up to 40% performance
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improvements** over `v1.1.0` ( 🙏 batched attestation processing).
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This makes it the first release we can officially recommend for validating
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on a Raspberry Pi 4.
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As a safety precaution, we advise you to **please backup your Nimbus database before upgrading**
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if possible.
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> **N.B.** this release contains a **critical stability fix** so please
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**make sure you upgrade!**
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**New features:**
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* More efficient state storage format ==> reduced I/O load and lower storage requirements.
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* Beta support for the official Beacon Node REST API:
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https://ethereum.github.io/eth2.0-APIs/. Enable it by launching
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the client with the `--rest:on` command-line flag
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* More efficient in-memory cache for non-finalized states ==> significant reduction in memory
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usage.
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* Batched attestation verification and other reforms **->** massive
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reduction in overall CPU usage.
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* More efficient slashing database schema ==> scales better to a larger number of validators.
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* Improved attestation aggregation logic **->** denser aggregations
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which in turn improve the overall health of the network and improve
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block production.
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* The metrics support is now compiled by default thanks to a new and more secure HTTP back-end.
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* More efficient LibP2P connection handling code **->** reduction in
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overall memory usage.
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* Command-line tools for generating testnet keystores and JSON deposit files suitable for use
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with the official network launchpads.
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**We've fixed:**
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* `setGraffiti` JSON-RPC call for modifying the graffiti bytes of the client at run-time.
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* A critical stability issue in attestation processing.
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* `scripts/run-*-node.sh` no longer prompts for a web3 provider URL
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when the `--web3-url` command-line option has already been specified.
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2021-04-05 v1.1.0
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=================
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This release brings planned reforms to our database schema that provide
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substantial performance improvements and pave the way for an an improved
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doppelganger detection ready immediately to propose and attest to blocks
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(in a future release).
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Please be aware that we will remain committed to maintaining backwards
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compatibility between releases, but **this release does not support
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downgrading back to any previous 1.0.x release**.
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As a safety precaution, we advise you to **please backup your Nimbus
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database before upgrading** if possible.
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**New features:**
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* More efficient state storage format ==> reduced I/O load and lower
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storage requirements.
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* More efficient in-memory cache for non-finalized states ==> significant
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reduction in memory usage.
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* More efficient slashing database schema ==> scales better to a larger
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number of validators.
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* The metrics support is now compiled by default thanks to a new and
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more secure HTTP back-end.
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* Command-line tools for generating testnet keystores and JSON deposit
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files suitable for use with the official network launchpads.
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* `setGraffiti` JSON-RPC call for modifying the graffiti bytes of the
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client at run-time.
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* `next_action_wait` metric indicating the time until the next scheduled
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attestation or block proposal.
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* More convenient command-line help messages providing information regarding the default
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values of all parameters.
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* More convenient command-line help messages providing information
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regarding the default values of all parameters.
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* `--direct-peer` gives you the ability to specify gossip nodes to automatically connect to.
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* `--direct-peer` gives you the ability to specify gossip nodes
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to automatically connect to.
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* Official docker images for ARM and ARM64.
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@ -43,15 +90,19 @@ if possible.
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* Long processing delays induced by database pruning.
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* File descriptor leaks (which manifested after failures of the selected web3 provider).
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* File descriptor leaks (which manifested after failures of the selected
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web3 provider).
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* The validator APIs now return precise actual balances instead of rounded effective balances.
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* The validator APIs now return precise actual balances instead of rounded
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effective balances.
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* A connection tracking problem which produced failed outgoing connection attempts.
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* A connection tracking problem which produced failed outgoing connection
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attempts.
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**Breaking changes:**
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* Nimbus-specific JSON-RPCs intended for debug purposes now have the `debug_` prefix:
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* Nimbus-specific JSON-RPCs intended for debug purposes now have
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the `debug_` prefix:
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- `getGossipSubPeers` is now `debug_getGossipSubPeers`
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- `getChronosFutures` is now `debug_getChronosFutures`
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@ -107,12 +158,13 @@ This release contains important security and performance improvements.
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- Significantly reduces the disk load with a large number of validators (1000+).
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- Makes it possible to enhance our doppelganger detection in the future such that
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waiting for 2 epochs before attesting is not necessary.
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- Makes it possible to enhance our doppelganger detection in the future
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such that waiting for 2 epochs before attesting is not necessary.
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To ensure smooth upgrade and emergency rollback between older and future Nimbus
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versions, v1.0.10 will keep track of your attestation in both the old and the
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new format. The extra load should be negligible for home stakers.
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To ensure smooth upgrade and emergency rollback between older and future
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Nimbus versions, v1.0.10 will keep track of your attestation in both the
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old and the new format. The extra load should be negligible for home
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stakers.
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2021-03-09 v1.0.9
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@ -15,7 +15,7 @@ when not defined(nimscript):
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const
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versionMajor* = 1
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versionMinor* = 1
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versionMinor* = 2
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versionBuild* = 0
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versionBlob* = "stateofus" # Single word - ends up in the default graffitti
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