[POC BDK] Introduce modular trait-based watch-only wallet architecture

.github/workflows/benchmarks.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@1.81.0
+      - uses: dtolnay/rust-toolchain@1.85.0
         with:
           components: rustfmt, clippy
 

.github/workflows/rust.yml

@@ -48,7 +48,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@1.81.0 # The version in our `Cargo.toml`
+      - uses: dtolnay/rust-toolchain@1.85.0 # The version in our `Cargo.toml`
         with:
           components: rustfmt, clippy
       - uses: taiki-e/install-action@cargo-hack
@@ -146,7 +146,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: dtolnay/rust-toolchain@1.81.0
+      - uses: dtolnay/rust-toolchain@1.85.0
         with:
           # Common bare-metal Cortex-M target (no_std: `core` + `alloc`).
           targets: thumbv7em-none-eabi

Cargo.toml

@@ -38,7 +38,7 @@ default-members = [
 ]
 
 [workspace.package]
-rust-version = "1.81.0" # MSRV declaration
+rust-version = "1.85.0" # MSRV declaration
 readme = "README.md"
 
 # Version Convention: Use major.minor only (e.g., "1.9" not "1.9.1")

Dockerfile

@@ -16,7 +16,7 @@ RUN apt-get update && apt-get install -y \
 
 RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
 ENV PATH="/root/.cargo/bin:${PATH}"
-RUN rustup default 1.81.0
+RUN rustup default 1.85.0
 
 WORKDIR /opt/app
 

crates/floresta-watch-only/Cargo.toml

@@ -16,6 +16,9 @@ kv = { workspace = true }
 serde = { workspace = true }
 serde_json = { workspace = true, features = ["alloc"] }
 tracing = { workspace = true }
+bdk_wallet = { optional = true, git = "https://github.com/thunderbiscuit/bdk_wallet", branch = "feature/multi-keychain-wallet", features = ["rusqlite"] }
+rusqlite = { version = "0.31", optional = true, features = [ "bundled" ], default-features = false  }
+refinery = { version = "0.8.0", optional = true, features = ["rusqlite"] }
 
 # Local dependencies
 floresta-chain = { workspace = true }
@@ -25,8 +28,10 @@ floresta-common = { workspace = true, features = ["descriptors-no-std"] }
 rand = { workspace = true }
 
 [features]
-default = ["std"]
+default = ["std", "sqlite", "bdk-provider"]
 memory-database = []
+sqlite = ["rusqlite", "refinery"]
+bdk-provider = ["bdk_wallet"]
 # The default features in common are `std` and `descriptors-std` (which is a superset of `descriptors-no-std`)
 std = ["floresta-common/default", "serde/std"]