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go-blockchain/chain
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Claude 18ceb7fa26
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fix(chain): gate difficulty target switch on HF6, not HF2 
The 240s PoW target was incorrectly gated on HF2 (block 10,080), matching
the Zano upstream where HF2 coincides with the difficulty target change.
Lethean mainnet uses 120s blocks between HF2 and HF6 (999,999,999), so
the gate is corrected to HF6.

Also adds NextPoSDifficulty with the same HF6 gate using the PoS target
constants (DifficultyPosTarget / DifficultyPosTargetHF6). Both public
methods delegate to a shared nextDifficultyWith helper to avoid
duplicating the LWMA window logic.

Co-Authored-By: Charon <charon@lethean.io>
2026-03-16 20:47:56 +00:00
..
chain.go chore: fmt.Errorf(static) → errors.New 2026-02-24 16:11:27 +00:00
chain_test.go test(chain): boost coverage to >80% with multi-block sync and error paths 2026-02-20 22:02:10 +00:00
difficulty.go fix(chain): gate difficulty target switch on HF6, not HF2 2026-03-16 20:47:56 +00:00
difficulty_test.go fix(chain): gate difficulty target switch on HF6, not HF2 2026-03-16 20:47:56 +00:00
history.go fix(chain): use genesis hash in sparse history for empty chain 2026-02-21 21:31:55 +00:00
history_test.go fix(chain): use genesis hash in sparse history for empty chain 2026-02-21 21:31:55 +00:00
index.go feat(chain): transaction, key image, and output index operations 2026-02-20 21:49:15 +00:00
integration_test.go fix(difficulty): correct LWMA algorithm and hardfork-aware target 2026-02-21 22:32:57 +00:00
levinconn.go feat(chain): add Levin P2P connection adapter and sync integration test 2026-02-21 21:32:05 +00:00
meta.go feat(chain): go-store dependency and metadata types 2026-02-20 21:42:22 +00:00
p2psync.go fix(difficulty): correct LWMA algorithm and hardfork-aware target 2026-02-21 22:32:57 +00:00
p2psync_test.go feat(chain): add P2P sync state machine 2026-02-21 21:00:57 +00:00
ring.go refactor(types): change TxOutputBare.Target to TxOutTarget interface 2026-03-16 20:23:27 +00:00
ring_test.go feat(chain): add GetRingOutputs callback for signature verification 2026-02-21 20:28:54 +00:00
store.go feat(chain): add NextDifficulty for local LWMA computation 2026-02-21 22:03:28 +00:00
sync.go chore: use min()/max() builtins (Go 1.21+) 2026-02-24 16:16:01 +00:00
sync_test.go fix(chain): mark ZC input key images as spent during sync 2026-02-21 20:36:00 +00:00
validate.go chore: fmt.Errorf(static) → errors.New 2026-02-24 16:11:27 +00:00
validate_test.go feat(chain): block header validation (linkage, height, size) 2026-02-20 21:50:12 +00:00