I am failing to making 1.58.0 happy and tired trying

I tried various cargo update with the version of Cargo-recent.lock but I failed to find the solution, then rolled back to initial state

Is there some way to simplify this?

The MSRV of rust-bitcoin is 1.63. You need to bump the MSRV here before you can upgrade rust-bitcoin.

Is there some way to simplify this?

No. You need to determine which dependencies have broken MSRV and manually try pinning various combinations of them. You can probably copy versions out of the Cargo-recent.lock file in rust-bitcoin.

I bumped the MSRV in #249. It might be worth to merge #249 first and to rebase #247 into #249.

rebased, all green.

I also added a commit adding a shell.nix that I used to test rust 1.63, let me know if have to remove it

We would need to extend the shell.nix to make it usable for us. For instance, we require different Rust versions. Let's remove it for now.

Removed

Can we have a release (when merged)?

@apoelstra Let's push the new release to crates.io.

Tagged and published.