c8be9d7414
- Add Prometheus metrics for marketplace API throughput and error rates with new dashboard panels - Implement confidential transaction models with encryption support and access control - Add key management system with registration, rotation, and audit logging - Create services and registry routers for service discovery and management - Integrate ZK proof generation for privacy-preserving receipts - Add metrics instru
126 lines
3.4 KiB
Plaintext
126 lines
3.4 KiB
Plaintext
pragma circom 2.0.0;
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include "circomlib/circuits/bitify.circom";
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include "circomlib/circuits/escalarmulfix.circom";
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include "circomlib/circuits/comparators.circom";
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include "circomlib/circuits/poseidon.circom";
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/*
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* Receipt Attestation Circuit
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*
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* This circuit proves that a receipt is valid without revealing sensitive details.
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*
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* Public Inputs:
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* - receiptHash: Hash of the receipt (for public verification)
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* - settlementAmount: Amount to be settled (public)
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* - timestamp: Receipt timestamp (public)
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*
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* Private Inputs:
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* - receipt: The full receipt data (private)
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* - computationResult: Result of the computation (private)
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* - pricingRate: Pricing rate used (private)
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* - minerReward: Reward for miner (private)
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* - coordinatorFee: Fee for coordinator (private)
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*/
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template ReceiptAttestation() {
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// Public signals
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signal input receiptHash;
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signal input settlementAmount;
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signal input timestamp;
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// Private signals
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signal input receipt[8];
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signal input computationResult;
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signal input pricingRate;
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signal input minerReward;
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signal input coordinatorFee;
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// Components
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component hasher = Poseidon(8);
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component amountChecker = GreaterEqThan(8);
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component feeCalculator = Add8(8);
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// Hash the receipt to verify it matches the public hash
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for (var i = 0; i < 8; i++) {
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hasher.inputs[i] <== receipt[i];
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}
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// Ensure the computed hash matches the public hash
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hasher.out === receiptHash;
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// Verify settlement amount calculation
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// settlementAmount = minerReward + coordinatorFee
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feeCalculator.a[0] <== minerReward;
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feeCalculator.a[1] <== coordinatorFee;
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for (var i = 2; i < 8; i++) {
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feeCalculator.a[i] <== 0;
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}
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feeCalculator.out === settlementAmount;
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// Ensure amounts are non-negative
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amountChecker.in[0] <== settlementAmount;
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amountChecker.in[1] <== 0;
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amountChecker.out === 1;
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// Additional constraints can be added here:
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// - Timestamp validation
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// - Pricing rate bounds
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// - Computation result format
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}
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/*
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* Simplified Receipt Hash Preimage Circuit
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*
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* This is a minimal circuit for initial testing that proves
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* knowledge of a receipt preimage without revealing it.
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*/
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template ReceiptHashPreimage() {
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// Public signal
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signal input hash;
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// Private signals (receipt data)
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signal input data[4];
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// Hash component
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component poseidon = Poseidon(4);
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// Connect inputs
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for (var i = 0; i < 4; i++) {
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poseidon.inputs[i] <== data[i];
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}
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// Constraint: computed hash must match public hash
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poseidon.out === hash;
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}
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/*
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* ECDSA Signature Verification Component
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*
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* Verifies that a receipt was signed by the coordinator
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*/
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template ECDSAVerify() {
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// Public inputs
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signal input publicKey[2];
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signal input messageHash;
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signal input signature[2];
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// Private inputs
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signal input r;
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signal input s;
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// Note: Full ECDSA verification in circom is complex
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// This is a placeholder for the actual implementation
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// In practice, we'd use a more efficient approach like:
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// - EDDSA verification (simpler in circom)
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// - Or move signature verification off-chain
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// Placeholder constraint
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signature[0] * signature[1] === r * s;
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}
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/*
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* Main circuit for initial implementation
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*/
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component main = ReceiptHashPreimage();
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