Steve Myers 959b4f8172
Merge bitcoindevkit/bdk#1179: build(esplora): Add async-https-rustls flag to esplora client
6817ca9bcbff957efb58f96886a30b6bd87c0cde ci: pin hyper-rustls version to 0.24.0 for 1.57 MSRV (thunderbiscuit)
4ee41dbc402121d14ffa099863bf35329851c1e4 build(esplora): Add async-https-rustls flag to esplora client (thunderbiscuit)

Pull request description:

  ### Description
  The bdk_esplora crate currently doesn't expose the [`async-https-rustls` flag offered by the rust-esplora-client](ef1925e1ee/Cargo.toml (L44)) crate and instead requires users to build using the `default-tls` flag on reqwest, which uses the platform-specific openssl library when compiling. This creates complications for cross-compilation, notably for our Android builds that currently support 3 architectures (`arm64-v8a`, `armeabi-v7a`, and `x86_64`). In order to solve this we can either compile the openssl libraries for each of the platforms we want to support, or use the rustls-tls version of reqwest. The second options is much easier and requires less fiddling with the internals of the Android native development kit and cross-compilation rabbit holes.

  Before we merge this I want to make sure I understand the tradeoffs between the `native-tls` and the `rustls-tls` and confirm that there are not potential issues there, but from what I understand they should provide the same functionality/security, and because these are already available/exposed in reqwest and rust-esplora-client, I think this should be a fairly straightforward additional feature we offer.

  ### Changelog notice
  ```txt
  Added:
    - New async-https-rustls feature flag for the bdk_esplora crate, allowing to compile rust-esplora-client using rustls-tls instead of the default native-tls.
  ```

  ### 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

ACKs for top commit:
  notmandatory:
    ACK 6817ca9bcbff957efb58f96886a30b6bd87c0cde
  realeinherjar:
    ACK 6817ca9bcb
  danielabrozzoni:
    ACK 6817ca9bcbff957efb58f96886a30b6bd87c0cde

Tree-SHA512: 1d417da7cf85e157d71f56442a06e817e8741822d7bff9089f7fbb70ff8b4854f1f52befbc348b849e9c98cae848b792d426cd5bf551e7a9089b15467d28efdd
2023-12-04 22:30:12 -06:00
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2023-03-03 17:44:07 +01:00
2023-09-16 10:43:26 -05:00

The Bitcoin Dev Kit

BDK

A modern, lightweight, descriptor-based wallet library written in Rust!

Crate Info MIT or Apache-2.0 Licensed CI Status API Docs Rustc Version 1.57.0+ Chat on Discord

Project Homepage | Documentation

About

The bdk libraries aims to provide well engineered and reviewed components for Bitcoin based applications. It is built upon the excellent rust-bitcoin and rust-miniscript crates.

⚠ The Bitcoin Dev Kit developers are in the process of releasing a v1.0 which is a fundamental re-write of how the library works. See for some background on this project: https://bitcoindevkit.org/blog/road-to-bdk-1/ (ignore the timeline 😁) For a release timeline see the BDK 1.0 project page.

Architecture

The project is split up into several crates in the /crates directory:

  • bdk: Contains the central high level Wallet type that is built from the low-level mechanisms provided by the other components
  • chain: Tools for storing and indexing chain data
  • file_store: A (experimental) persistence backend for storing chain data in a single file.
  • esplora: Extends the esplora-client crate with methods to fetch chain data from an esplora HTTP server in the form that bdk_chain and Wallet can consume.
  • electrum: Extends the electrum-client crate with methods to fetch chain data from an electrum server in the form that bdk_chain and Wallet can consume.

Fully working examples of how to use these components are in /example-crates:

  • example_cli: Library used by the example_* crates. Provides utilities for syncing, showing the balance, generating addresses and creating transactions without using the bdk Wallet.
  • example_electrum: A command line Bitcoin wallet application built on top of example_cli and the electrum crate. It shows the power of the bdk tools (chain + file_store + electrum), without depending on the main bdk library.
  • wallet_esplora_blocking: Uses the Wallet to sync and spend using the Esplora blocking interface.
  • wallet_esplora_async: Uses the Wallet to sync and spend using the Esplora asynchronous interface.
  • wallet_electrum: Uses the Wallet to sync and spend using Electrum.

Minimum Supported Rust Version (MSRV)

This library should compile with any combination of features with Rust 1.57.0.

To build with the MSRV you will need to pin dependencies as follows:

# log 0.4.19 has MSRV 1.60.0+
cargo update -p log --precise "0.4.18"
# tempfile 3.7.0 has MSRV 1.63.0+
cargo update -p tempfile --precise "3.6.0"
# reqwest 0.11.19 has MSRV 1.63.0+
cargo update -p reqwest --precise "0.11.18"
# hyper-rustls 0.24.1 has MSRV 1.60.0+
cargo update -p hyper-rustls --precise 0.24.0
# rustls 0.21.7 has MSRV 1.60.0+
cargo update -p rustls:0.21.9 --precise "0.21.1"
# rustls 0.20.9 has MSRV 1.60.0+
cargo update -p rustls:0.20.9 --precise "0.20.8"
# tokio 1.33 has MSRV 1.63.0+
cargo update -p tokio --precise "1.29.1"
# tokio-util 0.7.9 doesn't build with MSRV 1.57.0
cargo update -p tokio-util --precise "0.7.8"
# flate2 1.0.27 has MSRV 1.63.0+
cargo update -p flate2 --precise "1.0.26"
# h2 0.3.21 has MSRV 1.63.0+
cargo update -p h2 --precise "0.3.20"
# rustls-webpki 0.100.3 has MSRV 1.60.0+
cargo update -p rustls-webpki:0.100.3 --precise "0.100.1"
# rustls-webpki 0.101.2 has MSRV 1.60.0+
cargo update -p rustls-webpki:0.101.7 --precise "0.101.1"
# zip 0.6.6 has MSRV 1.59.0+
cargo update -p zip --precise "0.6.2"
# time 0.3.14 has MSRV 1.59.0+
cargo update -p time --precise "0.3.13"
# byteorder 1.5.0 has MSRV 1.60.0+
cargo update -p byteorder --precise "1.4.3"
# webpki 0.22.4 requires `ring:0.17.2` which has MSRV 1.61.0+
cargo update -p webpki --precise "0.22.2"
# os_str_bytes 6.6.0 has MSRV 1.61.0+
cargo update -p os_str_bytes --precise 6.5.1
# sct 0.7.1 has MSRV 1.61.0+
cargo update -p sct --precise 0.7.0
# cc 1.0.82 has MSRV 1.61.0+
cargo update -p cc --precise "1.0.81"
# jobserver 0.1.27 has MSRV 1.66.0+
cargo update -p jobserver --precise "0.1.26"

License

Licensed under either of

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.

Languages
Rust 99.9%