Make helium-crypto-rs compilable with the latest ed25519-compact version

[kurotych]

Fix compiling issue

❯ cargo build
   Compiling helium-crypto v0.8.3 (/home/kurotych/Sources/helium-crypto-rs)
error[E0277]: the trait bound `ed25519_compact::Signature: signature::Signature` is not satisfied
   --> src/ed25519/mod.rs:103:22
    |
103 |         Ok(Signature(signature::Signature::from_bytes(input)?))
    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `signature::Signature` is not implemented for `ed25519_compact::Signature`
    |
    = help: the following other types implement trait `signature::Signature`:
              ecdsa::der::Signature<C>
              ecdsa::Signature<C>
              ecc_compact::Signature
              ed25519::Signature
              secp256k1::Signature
              k256::ecdsa::recoverable::Signature

error[E0599]: no method named `as_bytes` found for struct `ed25519_compact::Signature` in the current scope
   --> src/ed25519/mod.rs:107:16
    |
107 |         self.0.as_bytes()
    |                ^^^^^^^^ method not found in `Signature`

error[E0277]: the trait bound `ed25519_compact::Signature: signature::Signature` is not satisfied
   --> src/ed25519/mod.rs:141:22
    |
141 |         Ok(Signature(signature::Signature::from_bytes(bytes)?))
    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `signature::Signature` is not implemented for `ed25519_compact::Signature`
    |
    = help: the following other types implement trait `signature::Signature`:
              ecdsa::der::Signature<C>
              ecdsa::Signature<C>
              ecc_compact::Signature
              ed25519::Signature
              secp256k1::Signature
              k256::ecdsa::recoverable::Signature

error[E0277]: the trait bound `ed25519_compact::Signature: signature::Signature` is not satisfied
   --> src/ed25519/mod.rs:153:9
    |
153 |         signature::Signature::from_bytes(input)
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `signature::Signature` is not implemented for `ed25519_compact::Signature`
    |
    = help: the following other types implement trait `signature::Signature`:
              ecdsa::der::Signature<C>
              ecdsa::Signature<C>
              ecc_compact::Signature
              ed25519::Signature
              secp256k1::Signature
              k256::ecdsa::recoverable::Signature

[madninja]

Instead of pinning can you fix the issue so we don’t have to keep the ed crate in the past?

[kurotych]

Instead of pinning can you fix the issue so we don’t have to keep the ed crate in the past?

Ok will try to do that

[codecov-commenter]

Codecov Report

Attention: 6 lines in your changes are missing coverage. Please review.

Comparison is base (0b855d4) 68.70% compared to head (0be3c41) 67.63%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #69      +/-   ##
==========================================
- Coverage   68.70%   67.63%   -1.08%     
==========================================
  Files          12       12              
  Lines         898      862      -36     
==========================================
- Hits          617      583      -34     
+ Misses        281      279       -2     

Files	Coverage Δ
src/ed25519/mod.rs	77.92% <14.28%> (-4.23%)	⬇️

... and 7 files with indirect coverage changes

[kurotych]

@madninja Looks ready. I intentionally used ed25519 compact::Signature::try_from for all trait functions to have more explicit solution