feat(chain)!: Add `prev_blockhash` to `ToBlockHash` trait - #2091

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ValuedMammal wants to merge 10 commits into

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ValuedMammal:feat/toblockhash_prev

Commits on Jan 15, 2026

chore(testenv): Remove unused `changeset` macro
ValuedMammal
committed
9831327
feat(testenv): Rewrite `chain_update` macro
ValuedMammal
committed
825ff12
fix(chain): Refactor `merge_chains`
ValuedMammal
committed
ec3485f
feat(local_chain): Store the `genesis_hash` internally
ValuedMammal
committed
6e55ea7
fix(checkpoint): Relax Copy constraint to Clone
ValuedMammal
committed
7451300
feat(core): Add `prev_blockhash` to `ToBlockHash` trait
ValuedMammal
committed
7f7783b

Commits on Jan 18, 2026