feat: cryptographic proof-of-reserve verification module (#52) - #85
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elizabetheonoja-art merged 1 commit intoJun 25, 2026
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…tocol#52) Lets operators prove that on-chain liabilities are fully backed by off-chain audited reserves via a Bulletproofs-style range proof, without revealing individual meter readings. - types/reserve.ts: commitment/audit/proof-input/range-proof/attestation types and bounds (Merkle depth 20, [0,2^64) range, 2MB WASM, 5s budget) - utils/porMerkle.ts: SHA-256 Merkle tree (leaf = SHA-256(meterId||u64 consumption||salt)) with buildTree/computeRoot/generateProof/verifyProof and odd-layer padding; dedicated module so the existing WASM merkleTree.ts is untouched - utils/wasmLoader.ts: adds a generic fetch+SHA-256-integrity+cache loader (loadWasmModule) alongside the existing loadMerkleWasm - services/proofOfReserve.ts: fetch commitment + audit, aggregate, solvency gate (throws InsolvencyError), build 64-bit-bounded inputs, drive the prover, hash + optionally submit the attestation, with fetch→prove→submit→confirm progress - workers/proofWorker.worker.ts: loads/verifies the Bulletproofs WASM off-thread with a clearly-marked deterministic dev placeholder until the binary ships - hooks/useProofOfReserve.ts: status/progress/result + insolvency state - components/panels/ReserveAttestationPanel.tsx: attestation hash, ledger, time since last proof, red insolvency banner - tests for the Merkle tree (root/proof/tamper/padding) and the orchestrator (aggregation, solvency abort, range bound, full-flow progress)
elizabetheonoja-art
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Jun 25, 2026
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Cryptographic Proof-of-Reserve Verification Module (#52)
Closes #52
What's included
src/types/reserve.ts[0,2^64)range, 2 MB WASM, 5 s budget).src/utils/porMerkle.tsSHA-256(meterId ‖ u64LE(consumption) ‖ salt)—buildTree/computeRoot/generateProof/verifyProofwith odd-layer padding, via SubtleCrypto. Dedicated module so the existing WASM-backedmerkleTree.ts(used bymerkleWorker) is untouched.src/utils/wasmLoader.tsloadWasmModule(url, {integrity, imports})with fetch + SHA-256 integrity verification + caching, alongside the existingloadMerkleWasm.src/services/proofOfReserve.tsInsolvencyError), builds 64-bit-bounded inputs, drives the prover, hashes + optionally submits the attestation; emits fetch→prove→submit→confirm progress. All I/O injectable.src/workers/proofWorker.worker.tssrc/hooks/useProofOfReserve.tsstatus/progress(25→50→75→100)/result+ insolvency state.src/components/panels/ReserveAttestationPanel.tsxpublic/wasm/bulletproofs.README.mdtests/unit/*