Make db-models no-std

[mattsse]

Describe the feature

is currently not no-std blocking progress on #14362 and #13041

reth/crates/storage/db-models/Cargo.toml

Line 2 in 302aa0b

name = "reth-db-models"

TODO

• add lib.rs header

#![doc(
    html_logo_url = "https://raw.githubusercontent.com/paradigmxyz/reth/main/assets/reth-docs.png",
    html_favicon_url = "https://avatars0.githubusercontent.com/u/97369466?s=256",
    issue_tracker_base_url = "https://github.com/paradigmxyz/reth/issues/"
)]
#![cfg_attr(not(test), warn(unused_crate_dependencies))]
#![cfg_attr(docsrs, feature(doc_cfg, doc_auto_cfg))]
#![cfg_attr(not(feature = "std"), no_std)]

• add std feature
• feature gate reth-codecs, see for ref:

  reth/crates/prune/types/Cargo.toml

  Line 15 in 302aa0b

  reth-codecs = { workspace = true, optional = true }

• update derives, ref:

  reth/crates/prune/types/src/checkpoint.rs

  Lines 6 to 7 in 302aa0b

  	#[cfg_attr(any(test, feature = "reth-codec"), derive(reth_codecs::Compact))]
  	#[cfg_attr(any(test, feature = "reth-codec"), reth_codecs::add_arbitrary_tests(compact))]

Additional context

No response

[frankudoags]

can I work on this please?

[mattsse]

assigned, ty

dealing with features like this is sometimes a bit hard, so please open a draft in case you get stuck

[frankudoags]

Duly noted, will open up a draft soon and would love to get your opinion on current implementation so far