Guillaume Ballet ba215fd927 cmd, core, trie, triedb: split CachingDB into merkle + binary dbs. (#34700) ... This Pr implements some prerequisite changes for #34004 : split the `CachingDB` into a `MerkleDB` and a `UBTDB`, so that very different behaviors don't clash as much. The transition isn't handled by this PR, but after talking to Gary we agreed that `UBTDB` should receive another `triedb`, which will only be loaded if the `Ended` flag is set to false in the conversion contract. If this is too hard to achieve, it makes sense to load it regardless, and then loading can be prevented at a later stage by adding a `UBTTransitionFinalizationTime` in `ChainConfig`. --------- Co-authored-by: Gary Rong <garyrong0905@gmail.com>		2026-04-17 08:55:54 +08:00
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state_transition.go	cmd, core, trie, triedb: split CachingDB into merkle + binary dbs. (#34700)	2026-04-17 08:55:54 +08:00