Full Implementation of DUCP Reference Node in Rust#2
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Builds the full Profile 0 roadmap (M0-M6) end to end on the v0.2.0 scaffold: - ducp-types: borsh canonical codec, BLAKE3-256 hashing, Ed25519 keys, hex/decimal JSON wire form, and the (U, Q) / Power Seal types. - ducp-dvm: deterministic wasmtime runtime (NaN-canon, no ambient caps, fuel-metered), Profile 0 feature gate, ducp host ABI, calibrated benchmark. - ducp-ledger: pure state machine - settlement, the Q-ledger, Standing, fraud resolution, clawback/finality; enforces I-LEDGER-CONSERVE. - ducp-consensus: SingleSequencer (produce/commit/state_root) + replica replay. - ducp-verification: SampledReexecVerifier, seeded sampling, EnergyAttestor (NullAttestor live + tested SealedAttestor), reserved TEE/ZK seams. - ducp-governance: static devnet Params + on-chain ParamSource seam. - ducp-node: JSON-RPC server, mempool, keystore, blob store, Storage seam; ducp-worker beachhead driver; scripts/devnet.sh. - ducp-conformance: six golden-vector families (codec, metering, settlement, fraud, replication, q-observable), incl. the DP-0001 vector. ~90 tests pass; cargo fmt + clippy -D warnings clean; CI workflow added. Deferred tiers (TEE/ZK, BFT, trustless energy attestation, on-chain governance, multiple IRs, persistent state) sit behind documented traits. Co-authored-by: Cursor <cursoragent@cursor.com>
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Summary
Complete Profile 0 reference node for DUCP spec v0.2.0, end to end
(submit → execute → verify → settle) across milestones M0–M6.
ducphost ABI, calibrated benchmarkI-LEDGER-CONSERVEducp-workerbeachhead driver;scripts/devnet.shDeferred tiers (TEE/ZK, BFT, trustless energy attestation, on-chain governance, multiple IRs, persistent state) sit behind documented traits.
Test plan
cargo test --workspace(~90 tests)cargo fmt --all -- --checkcargo clippy --workspace --all-targets -- -D warningsPORT=8650 TASKS=5 scripts/devnet.sh(live sequencer + worker, submit→settle)cargo run -p ducp-conformance --bin gen-vectorsreproduces the committed vectors