4 Commits (aaaf01d71232d1b7da5ab2ae9258f7fb9f22b1bf)

Author	SHA1	Message	Date
rjl493456442	a7f9523ae1	all: implement state history v2 (#30107) ... This pull request delivers the new version of the state history, where the raw storage key is used instead of the hash. Before the cancun fork, it's supported by protocol to destruct a specific account and therefore, all the storage slot owned by it should be wiped in the same transition. Technically, storage wiping should be performed through storage iteration, and only the storage key hash will be available for traversal if the state snapshot is not available. Therefore, the storage key hash is chosen as the identifier in the old version state history. Fortunately, account self-destruction has been deprecated by the protocol since the Cancun fork, and there are no empty accounts eligible for deletion under EIP-158. Therefore, we can conclude that no storage wiping should occur after the Cancun fork. In this case, it makes no sense to keep using hash. Besides, another big reason for making this change is the current format state history is unusable if verkle is activated. Verkle tree has a different key derivation scheme (merkle uses keccak256), the preimage of key hash must be provided in order to make verkle rollback functional. This pull request is a prerequisite for landing verkle. Additionally, the raw storage key is more human-friendly for those who want to manually check the history, even though Solidity already performs some hashing to derive the storage location. --- This pull request doesn't bump the database version, as I believe the database should still be compatible if users degrade from the new geth version to old one, the only side effect is the persistent new version state history will be unusable. --------- Co-authored-by: Zsolt Felfoldi <zsfelfoldi@gmail.com>	1 month ago
rjl493456442	05148d972c	triedb/pathdb: track flat state changes in pathdb (snapshot integration pt 2) (#30643) ... This pull request ports some changes from the main state snapshot integration one, specifically introducing the flat state tracking in pathdb. Note, the tracked flat state changes are only held in memory and won't be persisted in the disk. Meanwhile, the correspoding state retrieval in persistent state is also not supported yet. The states management in disk is more complicated and will be implemented in a separate pull request. Part 1: https://github.com/ethereum/go-ethereum/pull/30752	3 months ago
rjl493456442	6485d5e3ff	core, triedb: remove destruct flag in state snapshot (#30752) ... This pull request removes the destruct flag from the state snapshot to simplify the code. Previously, this flag indicated that an account was removed during a state transition, making all associated storage slots inaccessible. Because storage deletion can involve a large number of slots, the actual deletion is deferred until the end of the process, where it is handled in batches. With the deprecation of self-destruct in the Cancun fork, storage deletions are no longer expected. Historically, the largest storage deletion event in Ethereum was around 15 megabytes—manageable in memory. In this pull request, the single destruct flag is replaced by a set of deletion markers for individual storage slots. Each deleted storage slot will now appear in the Storage set with a nil value. This change will simplify a lot logics, such as storage accessing, storage flushing, storage iteration and so on.	3 months ago
rjl493456442	b6c62d5887	core, trie, triedb: minor changes from snapshot integration (#30599) ... This change ports some non-important changes from https://github.com/ethereum/go-ethereum/pull/30159, including interface renaming and some trivial refactorings.	4 months ago