b206a985cffix: Even more refactoring to code and documentation (志宇)bea8e5aff4fix: `TxGraph::missing_blocks` logic (志宇)db15e03bdcfix: improve more docs and more refactoring (志宇)95312d4d05fix: docs and some minor refactoring (志宇)8bf7a997f7Refactor `debug_assertions` checks for `LocalChain` (志宇)315e7e0b4bfix: rm duplicate `bdk_tmp_plan` module (志宇)af705da1a8Add exclusion of example cli `*.db` files in `.gitignore` (志宇)eabeb6ccb1Implement linked-list `LocalChain` and update chain-src crates/examples (志宇) Pull request description: Fixes #997 Replaces #1002 ### Description This PR changes the `LocalChain` implementation to have blocks stored as a linked-list. This allows the data-src thread to hold a shared ref to a single checkpoint and have access to the whole history of checkpoints without cloning or keeping a lock on `LocalChain`. The APIs of `bdk::Wallet`, `esplora` and `electrum` are also updated to reflect these changes. Note that the `esplora` crate is rewritten to anchor txs in the confirmation block (using the esplora API's tx status block_hash). This guarantees 100% consistency between anchor blocks and their transactions (instead of anchoring txs to the latest tip). `ExploraExt` now has separate methods for updating the `TxGraph` and `LocalChain`. A new method `TxGraph::missing_blocks` is introduced for finding "floating anchors" of a `TxGraph` update (given a chain). Additional changes: * `test_local_chain.rs` is refactored to make test cases easier to write. Additional tests are also added. * Examples are updated. * Exclude example-cli `*.db` files in `.gitignore`. * Rm duplicate `bdk_tmp_plan` module. ### Notes to the reviewers This is the smallest possible division of #1002 without resulting in PRs that do not compile. Since we have changed the API of `LocalChain`, we also need to change `esplora`, `electrum` crates and examples alongside `bdk::Wallet`. ### Changelog notice * Implement linked-list `LocalChain`. This allows the data-src thread to hold a shared ref to a single checkpoint and have access to the whole history of checkpoints without cloning or keeping a lock on `LocalChain`. * Rewrote `esplora` chain-src crate to anchor txs to their confirmation blocks (using esplora API's tx-status `block_hash`). ### Checklists #### All Submissions: * [x] I've signed all my commits * [x] I followed the [contribution guidelines](https://github.com/bitcoindevkit/bdk/blob/master/CONTRIBUTING.md) * [x] I ran `cargo fmt` and `cargo clippy` before committing #### New Features: * [x] I've added tests for the new feature * [x] I've added docs for the new feature ACKs for top commit: LLFourn: ACKb206a985cfTree-SHA512: a513eecb4f1aae6a5c06a69854e4492961424312a75a42d74377d363b364e3d52415bc81b4aa3fbc3f369ded19bddd07ab895130ebba288e8a43e9d6186e9fcc
BDK Chain
BDK keychain tracker, tools for storing and indexing chain data.