feat: tiered data storage

.github/workflows/benchmarks.yml

@@ -0,0 +1,46 @@
+name: CI Checks - Benchmarks
+
+on: [push, pull_request]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  benchmark:
+    runs-on: ubuntu-latest
+    env:
+      TOOLCHAIN: stable
+    steps:
+      - name: Checkout source code
+        uses: actions/checkout@v3
+      - name: Install Rust toolchain
+        run: |
+          curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile=minimal --default-toolchain stable
+          rustup override set stable
+      - name: Enable caching for bitcoind
+        id: cache-bitcoind
+        uses: actions/cache@v4
+        with:
+          path: bin/bitcoind-${{ runner.os }}-${{ runner.arch }}
+          key: bitcoind-${{ runner.os }}-${{ runner.arch }}
+      - name: Enable caching for electrs
+        id: cache-electrs
+        uses: actions/cache@v4
+        with:
+          path: bin/electrs-${{ runner.os }}-${{ runner.arch }}
+          key: electrs-${{ runner.os }}-${{ runner.arch }}
+      - name: Download bitcoind/electrs
+        if: "(steps.cache-bitcoind.outputs.cache-hit != 'true' || steps.cache-electrs.outputs.cache-hit != 'true')"
+        run: |
+          source ./scripts/download_bitcoind_electrs.sh
+          mkdir bin
+          mv "$BITCOIND_EXE" bin/bitcoind-${{ runner.os }}-${{ runner.arch }}
+          mv "$ELECTRS_EXE" bin/electrs-${{ runner.os }}-${{ runner.arch }}
+      - name: Set bitcoind/electrs environment variables
+        run: |
+          echo "BITCOIND_EXE=$( pwd )/bin/bitcoind-${{ runner.os }}-${{ runner.arch }}" >> "$GITHUB_ENV"
+          echo "ELECTRS_EXE=$( pwd )/bin/electrs-${{ runner.os }}-${{ runner.arch }}" >> "$GITHUB_ENV"
+      - name: Run benchmarks
+        run: |
+          cargo bench

.github/workflows/cron-weekly-rustfmt.yml

@@ -1,4 +1,9 @@
 name: Nightly rustfmt
+
+permissions:
+  contents: write
+  pull-requests: write
+
 on:
   schedule:
     - cron: "0 0 * * 0" # runs weekly on Sunday at 00:00

.github/workflows/rust.yml

@@ -72,11 +72,6 @@ jobs:
       - name: Build with UniFFI support on Rust ${{ matrix.toolchain }}
         if: matrix.build-uniffi
         run: cargo build --features uniffi --verbose --color always
-      - name: Build documentation on Rust ${{ matrix.toolchain }}
-        if: "matrix.platform != 'windows-latest' || matrix.toolchain != '1.85.0'"
-        run: |
-          cargo doc --release --verbose --color always
-          cargo doc --document-private-items --verbose --color always
       - name: Check release build on Rust ${{ matrix.toolchain }}
         run: cargo check --release --verbose --color always
       - name: Check release build with UniFFI support on Rust ${{ matrix.toolchain }}
@@ -90,3 +85,14 @@ jobs:
         if: "matrix.platform != 'windows-latest' && matrix.build-uniffi"
         run: |
           RUSTFLAGS="--cfg no_download" cargo test --features uniffi
+
+  doc:
+    name: Documentation
+    runs-on: ubuntu-latest
+    env:
+      RUSTDOCFLAGS: -Dwarnings
+    steps:
+      - uses: actions/checkout@v6
+      - uses: dtolnay/rust-toolchain@nightly
+      - uses: dtolnay/install@cargo-docs-rs
+      - run: cargo docs-rs

CHANGELOG.md

@@ -1,3 +1,70 @@
+# 0.7.0 - Dec. 3, 2025
+This seventh minor release introduces numerous new features, bug fixes, and API improvements. In particular, it adds support for channel Splicing, Async Payments, as well as sourcing chain data from a Bitcoin Core REST backend.
+
+## Feature and API updates
+- Experimental support for channel splicing has been added. (#677)
+    - **Note**: Splicing-related transactions might currently still get misclassified in the payment store.
+- Support for serving and paying static invoices for Async Payments has been added. (#621, #632)
+- Sourcing chain data via Bitcoin Core's REST interface is now supported. (#526)
+- A new `Builder::set_chain_source_esplora_with_headers` method has been added
+  that allows specifying headers to be sent to the Esplora backend. (#596)
+- The ability to import and merge pathfinding scores has been added. (#449)
+- Passing a custom pre-image when sending spontaneous payments is now supported. (#549)
+- When running in the context of a `tokio` runtime, we now attempt to reuse the
+  outer runtime context for our main runtime. (#543)
+- Specifying a `RouteParametersConfig` when paying BOLT12 offers or sending refunds is now supported. (#702)
+- Liquidity service data is now persisted across restarts. (#650)
+- The bLIP-52/LSPS2 service now supports the 'client-trusts-LSP' model. (#687)
+- The manual-claiming flow is now also supported for JIT invoices. (#608)
+- Any key-value stores provided to `Builder::build_with_store` are now
+  required to implement LDK's `KVStore` as well as `KVStoreSync` interfaces.
+  (#633)
+- The `generate_entropy_mnemonic` method now supports specifying a word count. (#699)
+
+## Bug Fixes and Improvements
+- Robustness of the shutdown procedure has been improved, minimizing risk of blocking during `Node::stop`. (#592, #612, #619, #622)
+- The VSS storage backend now supports 'lazy' deletes, allowing it to avoid
+  unnecessarily waiting on remote calls for certain operations. (#689, #722)
+- The encryption and obfuscation scheme used when storing data against a VSS backend has been improved. (#627)
+- Transient errors during `bitcoind` RPC chain synchronization are now retried with an exponential back-off. (#588)
+- Transactions evicted from the mempool are now correctly handled when syncing via `bitcoind` RPC/REST. (#605)
+- When sourcing chain data from a Bitcoin Core backend, we now poll for the
+  current tip in `Builder::build`, avoiding re-validating the chain from
+  genesis on first startup. (#706)
+- A bug that could result in the node hanging on shutdown when sourcing chain data from a Bitcoin Core backend has been fixed. (#682)
+- Unnecessary fee estimation calls to Bitcoin Core RPC are now avoided. (#631)
+- The node now persists differential updates instead of re-persisting full channel monitor, reducing IO load. (#661)
+- The previously rather restrictive `MaximumFeeEstimate` was relaxed. (#629)
+- The node now listens on all provided listening addresses. (#644)
+
+## Compatibility Notes
+- The minimum supported Rust version (MSRV) has been bumped to `rustc` v1.85 (#606)
+- The LDK dependency has been bumped to v0.2.
+- The BDK dependency has been bumped to v2.2. (#656)
+- The VSS client dependency has been updated to utilize the new `vss-client-ng` crate v0.4. (#627)
+- The `rust-bitcoin` dependency has been bumped to v0.32.7. (#656)
+- The `uniffi` dependency has been bumped to v0.28.3. (#591)
+- The `electrum-client` dependency has been bumped to v0.24.0. (#602)
+- For Kotlin/Android builds we now require 16kb page sizes, ensuring Play Store compatibility. (#625)
+
+In total, this release features 77 files changed, 12350 insertions, 5708
+deletions in 264 commits from 14 authors in alphabetical order:
+
+- aagbotemi
+- alexanderwiederin
+- Andrei
+- Artur Gontijo
+- benthecarman
+- Chuks Agbakuru
+- coreyphillips
+- Elias Rohrer
+- Enigbe
+- Joost Jager
+- Jeffrey Czyz
+- moisesPomilio
+- Martin Saposnic
+- tosynthegeek
+
 # 0.6.2 - Aug. 14, 2025
 This patch release fixes a panic that could have been hit when syncing to a
 TLS-enabled Electrum server, as well as some minor issues when shutting down