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besu-etc-plugin · Fidelity vs Besu's native ETC

Side-by-side of the Ethereum Classic classes that Besu shipped natively and removed in #9671 (commit 1167c5a544), against their current equivalent in this plugin.

Diff base: 1167c5a544^ — upstream's state immediately before the removal.

Auto-generated by generate-diffs.py (lives in this wiki repo, not in the plugin's main branch). Regenerate with python3 generate-diffs.py.

The feature — extension points

The new interfaces plugin-extensions adds to Besu (the upstream-bound work) and how this plugin implements them:

• Extension Points — NetworkProvider, ForkIdProvider, ProtocolScheduleCustomizer, and the widened core types.

Class fidelity — native ETC vs plugin

Page	Verdict	Change
ClassicBlockProcessor	Byte-for-byte identical (executable logic)	+9/-3
ClassicDifficultyCalculators	Byte-for-byte identical (executable logic)	+2/-1
ClassicEVMs	Byte-for-byte identical (executable logic)	+3/-1
classic.json	Consensus-equivalent	+8/-2
mordor.json	Consensus-equivalent	+6/-1
Ecip1099EpochCalculator	Identical methods — promoted from a nested class	+3/-6

Rewritten, extracted, or new (no line-by-line diff)

Page	Verdict
ClassicProtocolSpecs	Rewritten to the adapter API — behaviourally equivalent, not a port