[META] Byzantium Implementation Progress

[jwasinger]

Overview

Implementation of all Byzantium EIPs is complete with the exception of the following failing tests that will be fixed before release:

Failing Blockchain Tests

• uncleBloomNot0
• futureUncleTimestampDifficultyDrop
• uncleHeaderAtBlock2
• futureUncleTimestamp2

Failing State Tests

• randomStatetest642 (fix after master release)

Planned release date: Monday, 9/25/2017

Merge on master, npm release after a couple of days testing.

Summary of Changes to EthereumJS Libraries

• ethereumjs-vm - Metro-Byzantium Working Branch #161
  • EIP 649 (Difficulty bomb delay)
  • EIP 140
  • EIP 196
  • EIP 197
  • EIP 198
  • EIP 211
  • EIP 214
  • EIP 658
• ethereumjs-block - [MASTER-RELEASE] Byzantium changes ethereumjs-block#32
  • EIP 100
• rustbn.js Initial version (v0.1.0 ?) (initial release rustbn.js#2)
• ethereumjs/common -[MASTER-RELEASE] Metro-Byzantium changes common#6
  • EIP 649 (Block reward reduction)

Miscellaneous TODOs

• Remove left-over console.log statements
• Test the examples in examples folder
• Check the README API documentation
• Add library changes to Unreleased section in CHANGELOG
• Release dependency master branch versions, update package.json

EthereumJS Library Updates

• ethereumjs-vm v2.2.2 -> v.2.3.1 New release v2.3.0 #216
• ethereumjs-block v1.6.1 -> v1.7.0 (EIP100 / EIP 649) New release v1.7.0 ethereumjs-block#37
• rustbn.js Initial version v0.1.0 New release v0.1.0 rustbn.js#6
• ethereumjs/common v0.1.0 -> 0.2.0 (block reward / gas costs) New release v0.2.0 common#9
• ethereumjs-blockchain v2.0.2 -> 2.1.0 New release v2.1.0 ethereumjs-blockchain#36

Please merge in the following order (wait for tests in-between, eventually re-trigger build):

(common, rustbn.js) -> ethereumjs-block -> ethereumjs-blockchain -> ethereumjs-vm