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Shard node#1

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Commits

Commits on Aug 5, 2019

• Initiate shard node and behavior - step-by-step

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Commits on Aug 6, 2019

• Piece by piece - adding the store for the shard chain

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• Update chain spec to manage phase 1 constants as well

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• Remove beacon specific fields and add shard specific fields

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• Begin narrowing down the functions required for the shard state

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Commits on Aug 7, 2019

• Include a number of important shard types

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• Update shard chain logic with all the appropriate functions needed and comments for future required additiions

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• Include shard chain checkpoint

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Commits on Aug 8, 2019

• Included parent beacon chain logic

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• Add rest of store logic for shard... all majorly duplicated :)

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• Began trait functions for beacon wrapper and began fork choice rules

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• Build fork choice logic

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Commits on Aug 14, 2019

• Include proper dependencies and errors file

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Commits on Aug 16, 2019

• Attestation data for a shard needs to include a target slot

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• Initialize the shard operation pool

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• bring operation pool logic/pseudocoding in check with requirements

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Commits on Aug 19, 2019

• add Slot logic

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Commits on Aug 21, 2019

• Include period committee structure

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• Include logic around start period for committee

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• Fix reference to spec

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• Updated to calculate a period committee :)

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• Setup function for proposer index

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Commits on Aug 23, 2019

• Removed specific shard committee logic and pass through an argument for the period committee

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• added additional phase 1 required variables/values

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• Include lookahead on slot to epcoh calculation

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• Drastically simplify shard state

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• Simplify shard eth 2 types

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• Fill in persistent committee/stored committee logic

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• Persistent committe data structure (maybe remove later)

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• For now keep the get_shard_proposer function in the beacon state

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• compiler error part 1 - rust noob

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Commits on Sep 2, 2019

• Compiler part 2. Add relative period.

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• Include period struct

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• Epochs can be converted into a Period

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• Include relative period logic

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Commits on Sep 3, 2019

• Update chain spec to include period committee roots

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• Period committee uses period vs. epoch now

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• Support PeriodCommittees in the beacon state - with cache and historic roots :)

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Commits on Sep 4, 2019

• Define period committee cache

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• Update period committee to have owned/sliced

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• Update beacon state to use period committee caches

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• Period committee is a vec of vectors. Not sure if this is the best way, but it is a start :)

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• Period committee initialization is correct

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• Change persistent committee to naturally a owned type

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Commits on Sep 5, 2019

• Remove ref in persistent committee struct

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• Period Committee Cache has get committee call

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• fmt - rearranged

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Commits on Sep 6, 2019

• Get shard committee function

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• Shard proposer index, Shard committee logic completed :)

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• Shard block header compile - minor changes to store iter/pending att

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Commits on Sep 9, 2019

• Shard Block is more in line with intended spec.

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• Added shard attestation

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• Op pool logic on attestation being situated

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• Shard Operation Pool logic adjusted for shards

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Commits on Sep 10, 2019

• Add op pool into cargo.toml and include some shard attestation changes.

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• Shard block types compiling

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Commits on Sep 12, 2019

• Shard state functioning

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• Operation pool setup/compiling properly

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• Shard node store functioning and compiling :)

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• Placeholder for epoch period committee state transition

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• Basic shard block/state processing functions

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Commits on Sep 13, 2019

• Remove cargo from shard node for now

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• Inclue all state transition functions for period committees and roots

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• mock part for period processing on the shard

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• ItemStore container also holds period cache

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Commits on Sep 14, 2019

• Shard state now implements shardspec

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• Shard Slot Processing used and corrected

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• Fields follow names closely to spec - added latest header to state

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• Shard State holds shard block header

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• Update iterators to work properly with shard state/blocks

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• Type updates for ShardSpec

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• lmd ghost using right trait for shardspec and iterators

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• Shard chain dependencies in check and all is compiling

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• Initiial shard chain interfaces

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• Update iterator since skip blocks do have a stored state

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• slot processing has state root update logic for skip slots from genesis

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• Continued shard chain interfaces in place

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• Included Slot -> ShardSlot conversion function

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• Update shard chain error conversions

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• Build validator index interface + build cache interface

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• Implemented slot clock functionalities

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• Let beacon state error trickle up to shard chain & fix calcs on shard block producer

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• Add shard block processing without fork choice for now

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Commits on Sep 15, 2019

• Fork choice errors implemented and find_head()

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• Include process block and find head for for choice

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• fork choice gadget completed for attestations and block process

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• fork choice finalization

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• Simplified logic and just pass curent beacon state vs. looking up rooted block

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• shard fork choice and updating canonical head completed

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• Attestations added to op pool

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• Implemented "after crosslink" functionality

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• Add check for crosslink into fork_choice call

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• add rwlock for current crosslink

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• Block production enbled now :) - get_attestation from op pool returns the one with most bitfields

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• remove grafiti

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• Added shard committee function

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Commits on Sep 16, 2019

• Fix runtime issues

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• Formatting :)

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Commits on Sep 17, 2019

• Include shard chain harness to begin experimentation

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• Shard chain no longer needs intiialization with a genesis block

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• Shard chain initiated in harness

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• Temporarily add even more duplication :) ShardSlotClock

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• Utility functions added to harness

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• Include attestation aggregation for harness. Make shard chain func less redundant

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• included extend shard chain function

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Commits on Sep 18, 2019

• Add get block root at epoch function to shard chain - using iterators

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• Beacon chain requires data root for crosslink now

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• Add crosslink logic

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• Move attestations into vector before refactor to direct bitfield. further cleanup

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Commits on Sep 23, 2019

• Update iterators to actually look up proper values in line with stored headers

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• Fork choice operating on the right attestation set. harness tests representing proper slot advancement.

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Commits on Sep 25, 2019

• Include data and exec_env_states as part of phase 2

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• split shard_state_processing into own directory

  

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• moving shard block errors into own file in subdir

  

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• moved shard slot errors and process_shard_slot into own file

  

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• Cargo.toml needs to be capitalized

  

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• rm shard dependences from state_processing & updated shard_chain errors

  

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• updated shard_state_processing dependency path in shard_chain Cargo.toml

  

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• shard_state_processing Cargo.toml package name correctly updated

  

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• split shard_state_processing into own directory

  

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• moved shard slot errors and process_shard_slot into own file

  

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• update shard_state_processing Cargo.toml & remove benches remnant

  

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• shard_state_processing lib.rs was in wrong dir

  

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• renaming to process_shard_slot.rs

  

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• fixing dependencies, errors, and renaming functions

  

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• removing unused libraries and commented out code

  

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• adding shard_state_processing functions to library

  

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• adding additional phase 1 chain_spec values

  

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• adding basic fee logic for shard state transition

  

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• commenting out function logic, replacing process_shard_state_header logic

  

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• commenting out chain_spec variables and other toml file fixes

  

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• Resolved error handling, previous rebase error, and state references.

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• author update, remove chain_spec variables

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• Merge pull request #3 from wilbarnes/shard_state_processing

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• Make rust beautiful again

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• Provide way to pass a block body through

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• Basic shard node running via clap tools

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Commits on Sep 26, 2019

• Update shard chain to be a reference within the harness (so it can be passed around)

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• Included rest api - it is a mirror of what is on "interop" branch upstream.

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• Include a beginning - functional simulation/harness. Need to spawn server, interate logger

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• Proper logging, API server functioning

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• Support current block and state endpoints for shard 0

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• Remove fake crypto, cleanup

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• Body data for op pool

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• Boy data for each block is submitted via op-pool for now.

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Commits on Sep 27, 2019

• api service set - endpoints set for getting blocks, state and writing the block body

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• Refactored to use client modely

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• Included logging on rest api endpoints

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• Clean up unused imports

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• Added further logging to beacon chain and shard chain

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Commits on Sep 28, 2019

• Fix some off by one errors :) improve logging

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Commits on Sep 29, 2019

• Fixed last set of off by one errors :) major todo to have utility function that always grabs beacon state at epoch boundary

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