Remove temporary peer ID compatibility mode.#1608
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romanb merged 7 commits intolibp2p:masterfrom Aug 26, 2020
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This removes the temporary compatibility mode between peer IDs using identity hashing and sha256, thus being the last step in the context of libp2p#555.
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I think we can go ahead with this now. |
tomaka
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Aug 25, 2020
core/src/peer_id.rs
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| Err(data) | ||
| pub fn from_multihash(data: Multihash) -> Result<PeerId, Multihash> { | ||
| match data.algorithm() { | ||
| Code::Sha2_256 | Code::Identity => Ok(PeerId { multihash: data }), |
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This isn't the case right now, but maybe we should check that data.len() <= MAX_INLINE_KEY_LENGTH when the algorithm is identity?
twittner
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Aug 25, 2020
Co-authored-by: Toralf Wittner <tw@dtex.org>
twittner
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Aug 25, 2020
tomaka
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Aug 25, 2020
tomaka
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Aug 25, 2020
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| // Note: before 0.12, this was incorrectly implemented and `SHA2256` was always used. | ||
| // Starting from version 0.13, rust-libp2p accepts both hashed and non-hashed keys as | ||
| // input (see `from_bytes`). Starting from version 0.16 rust-libp2p will compare | ||
| // `PeerId`s of different hashes equal, which makes it possible to connect through | ||
| // secio or noise to nodes with an identity hash. Starting from version 0.17, rust-libp2p | ||
| // will switch to not hashing the key (i.e. the correct behaviour). | ||
| // In other words, rust-libp2p 0.16 is compatible with all versions of rust-libp2p. | ||
| // Rust-libp2p 0.12 and below is **NOT** compatible with rust-libp2p 0.17 and above. |
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Maybe we could leave that comment, but I don't have a strong opinion.
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I incorporated it into the changelog (see 7504764).
added 2 commits
August 26, 2020 11:55
This was referenced Sep 11, 2020
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This removes the temporary compatibility mode between peer IDs using identity hashing and sha256, thus being
the last step in the context of #555. This has low priority, I just wanted to get this out as a PR as a reminder to do this.