TypeScript SDK

npm install @clearproof/proof

import { generateProof } from '@clearproof/proof';
 
const result = await generateProof(
  {
    // Public inputs
    sanctionsTreeRoot: '...',
    issuerTreeRoot: '...',
    amountTier: 2,
    transferTimestamp: Math.floor(Date.now() / 1000),
    jurisdictionCode: 840,
    credentialCommitment: '...',
    tier2Threshold: 3000,
    tier3Threshold: 10000,
    tier4Threshold: 50000,
    credentialNullifier: '0xabc...',
    proofExpiresAt: Math.floor(Date.now() / 1000) + 3600,
    domainChainId: 11155111,           // Sepolia
    domainContractHash: '0x...',       // keccak256(registry address) % BN128_R
    transferIdHash: '0x...',           // keccak256(transferId) % BN128_R
 
    // Private inputs: credential preimage
    issuerDid: '...',
    kycTier: 2,
    sanctionsClear: 1,
    issuedAt: 1700000000,
    expiresAt: 1800000000,
 
    // Private inputs: issuer Merkle membership proof
    issuerPathElements: ['...', '...'],
    issuerPathIndices: ['0', '1'],
 
    // Private inputs: sanctions non-membership gap proof
    walletAddressHash: '...',
    leftKey: '...',
    rightKey: '...',
    leftPathElements: ['...'],
    leftPathIndices: ['0'],
    rightPathElements: ['...'],
    rightPathIndices: ['1'],
 
    // Private inputs: amount
    actualAmount: 1500000,             // cents (integer arithmetic)
  },
  'artifacts/compliance_js/compliance.wasm',
  'artifacts/compliance_final.zkey',
);
 
console.log(result.proof);         // { pi_a, pi_b, pi_c, protocol, curve }
console.log(result.publicSignals); // string[16]
console.log(result.proofTime);     // milliseconds

import { verifyProof } from '@clearproof/proof';
 
const result = await verifyProof(
  proof,
  publicSignals,
  'artifacts/verification_key.json',
);
 
console.log(result.valid);         // true
console.log(result.isCompliant);   // true
console.log(result.sarReviewFlag); // false

import { discoverVASP, supportsChain } from '@clearproof/proof';
 
// Discover a VASP by domain
const info = await discoverVASP('exchange.example');
if (info) {
  console.log(info.clearproof.endpoint);    // https://exchange.example/clearproof/v1
  console.log(info.clearproof.publicKey);   // encryption public key
  console.log(info.clearproof.supportedChains); // [1, 42161, 8453]
}
 
// Quick check: does this VASP support Ethereum mainnet?
const ok = await supportsChain('exchange.example', 1);