feat(zeph-llm): RequestSigner and EndpointPool for Gonka native inference#3620
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feat(zeph-llm): RequestSigner and EndpointPool for Gonka native inference#3620
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…ence (#3609, #3610) Add the cryptographic and networking foundation for the Gonka decentralized inference native provider path (part of epic #3602). RequestSigner (#3609): - ECDSA/secp256k1 signing via k256 0.13 with RFC6979 determinism - Signs sha256(sha256(body) || timestamp_ns || transfer_address) - Address derivation: bech32(prefix, ripemd160(sha256(compressed_pubkey))) - Three fixture-verified test vectors; 12 unit tests EndpointPool (#3610): - Round-robin over Vec<GonkaEndpoint> with AtomicUsize cursor - Per-node fail-skip cooldown via Vec<AtomicU64> (unix nanoseconds) - Falls back to least-recently-failed when all nodes are in cooldown - http/https URL scheme validation in constructor; 11 unit tests Both subsystems are feature-gated under the new `gonka` feature flag, which is included in the `full` feature set. Tracing spans added per project telemetry rules. Closes #3609 Closes #3610
Without the cfg gate, mod.rs compiled without the gonka feature, causing an unresolved intra-doc link to RequestSigner and failing RUSTDOCFLAGS builds.
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Summary
RequestSigner(feat(zeph-llm): RequestSigner with k256 + bech32 + Python-derived fixtures #3609): ECDSA/secp256k1 signed request headers for Gonka nodes, using k256 RFC6979 determinism and bech32 address derivation from compressed pubkeyEndpointPool(feat(zeph-llm): EndpointPool round-robin with fail-skip #3610): atomic round-robin pool with per-node fail-skip cooldown, http/https URL validation, and least-recently-failed fallbackgonkafeature (included infull)GonkaProviderimplementation in feat(zeph-llm): GonkaProvider chat / chat_stream / embed (signed transport) #3611Changes
crates/zeph-llm/src/gonka/signer.rs—RequestSignerwith fixture-verified signingcrates/zeph-llm/src/gonka/endpoints.rs—EndpointPoolwith atomic implementationcrates/zeph-llm/src/gonka/fixtures.json— 3 pre-computed test vectorscrates/zeph-llm/src/gonka/mod.rs— module wiring withpub usere-exportsCargo.toml—gonkafeature added tofull;bech32,k256,ripemdpromoted to workspace depscrates/zeph-llm/Cargo.toml— new deps: k256 0.13, ripemd 0.2, url (scheme validation)Test plan
cargo nextest run -p zeph-llm --features gonka -E 'test(gonka)'— 23/23 passcargo nextest run --workspace --lib --bins— 8899/8899 passcargo clippy --workspace --features gonka --all-targets -- -D warnings— 0 warningscargo +nightly fmt --check— cleanRUSTDOCFLAGS="--deny rustdoc::broken_intra_doc_links" cargo doc --no-deps -p zeph-llm --features gonka— 0 errors, 19 doctests passNotes
LlmError::Otheris used for construction errors (empty pool, invalid URL, invalid hex key) asLlmError::Configdoes not exist in the current error enum.Closes #3609
Closes #3610