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
84 lines
2.7 KiB
JavaScript
84 lines
2.7 KiB
JavaScript
const fs = require("fs");
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const snarkjs = require("snarkjs");
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async function generateProof() {
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console.log("Generating ZK proof for receipt attestation...");
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try {
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// Load the WASM circuit
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const wasmBuffer = fs.readFileSync("receipt.wasm");
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// Load the zKey (proving key)
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const zKeyBuffer = fs.readFileSync("receipt_0001.zkey");
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// Prepare inputs
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// In a real implementation, these would come from actual receipt data
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const input = {
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// Private inputs (receipt data)
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data: [
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"12345", // job ID
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"67890", // miner ID
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"1000", // computation result
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"500" // pricing rate
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],
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// Public inputs
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hash: "1234567890123456789012345678901234567890123456789012345678901234"
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};
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console.log("Input:", input);
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// Calculate witness
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console.log("Calculating witness...");
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const { witness, wasm } = await snarkjs.wtns.calculate(input, wasmBuffer, wasmBuffer);
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// Generate proof
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console.log("Generating proof...");
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const { proof, publicSignals } = await snarkjs.groth16.prove(zKeyBuffer, witness);
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// Save proof and public signals
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fs.writeFileSync("proof.json", JSON.stringify(proof, null, 2));
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fs.writeFileSync("public.json", JSON.stringify(publicSignals, null, 2));
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console.log("Proof generated successfully!");
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console.log("Proof saved to proof.json");
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console.log("Public signals saved to public.json");
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// Verify the proof
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console.log("\nVerifying proof...");
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const vKey = JSON.parse(fs.readFileSync("verification_key.json"));
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const verified = await snarkjs.groth16.verify(vKey, publicSignals, proof);
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if (verified) {
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console.log("✅ Proof verified successfully!");
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} else {
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console.log("❌ Proof verification failed!");
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}
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return { proof, publicSignals };
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} catch (error) {
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console.error("Error generating proof:", error);
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throw error;
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}
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}
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// Generate a sample receipt hash for testing
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function generateReceiptHash(receipt) {
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// In a real implementation, use Poseidon or other hash function
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// For now, return a placeholder
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return "1234567890123456789012345678901234567890123456789012345678901234";
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}
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// Run if called directly
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if (require.main === module) {
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generateProof()
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.then(() => process.exit(0))
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.catch(error => {
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console.error(error);
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process.exit(1);
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});
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}
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module.exports = { generateProof, generateReceiptHash };
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