👻 WIA-LEG-010 Simulator

function verifyDeath(certificateData, registrySources) {
  // 1. Hash certificate data
  const certHash = sha256(certificateData);

  // 2. Verify against multiple registries
  const verifications = registrySources.map(source =>
    source.verify(certHash)
  );

  // 3. Require 2/3 consensus
  const consensus = verifications.filter(v => v.valid).length >= 2;

  // 4. Anchor to blockchain
  if (consensus) {
    return blockchain.anchor(certHash);
  }

  return { verified: consensus, hash: certHash };
}

async function cascadeRevocation(identityId) {
  const queue = [identityId];
  const revoked = new Set();

  while (queue.length > 0) {
    const current = queue.shift();

    if (revoked.has(current)) continue;

    // Revoke current credential
    await revokeCredential(current);
    revoked.add(current);

    // Find dependent credentials
    const dependents = await findDependentCredentials(current);
    queue.push(...dependents);
  }

  return { totalRevoked: revoked.size, credentials: Array.from(revoked) };
}

// Initialize WIA-LEG-010 Client
import { DigitalIdentityAfterDeath } from '@wia/digital-identity-after-death';

const client = new DigitalIdentityAfterDeath({
  apiKey: 'your-api-key',
  network: 'mainnet',
  jurisdiction: 'US-CA'
});

// Report death event
const deathReport = await client.reportDeath({
  certificateId: 'DC-2025-001',
  deceasedId: 'uuid-1234',
  deathDate: '2025-12-25T00:00:00Z',
  certificateHash: '0x...'
});

// Query identity status
const status = await client.getIdentityStatus('uuid-1234');
console.log(status); // { status: 'deceased', verifiedAt: '...' }

// Revoke credentials
const revocation = await client.revokeCredentials({
  subjectId: 'uuid-1234',
  scope: 'global'
});

// Issue executor access
const executorAuth = await client.issueExecutorAuth({
  executorId: 'uuid-5678',
  deceasedId: 'uuid-1234',
  permissions: ['read', 'export'],
  expiresIn: '1y'
});

// Configure webhook endpoint
app.post('/webhooks/wia-leg-010', async (req, res) => {
  const event = req.body;

  switch (event.type) {
    case 'death.verified':
      await handleDeathVerification(event.data);
      break;

    case 'credentials.revoked':
      await handleCredentialRevocation(event.data);
      break;

    case 'executor.authorized':
      await handleExecutorAuthorization(event.data);
      break;

    case 'persona.created':
      await handlePersonaCreation(event.data);
      break;
  }

  res.status(200).json({ received: true });
});

// Solidity Smart Contract
pragma solidity ^0.8.0;

contract DigitalIdentityRegistry {
    mapping(bytes32 => DeathRecord) public deathRecords;

    struct DeathRecord {
        bytes32 certificateHash;
        uint256 timestamp;
        bool verified;
        address[] verifiers;
    }

    event DeathVerified(bytes32 indexed subjectId, bytes32 certHash);
    event CredentialsRevoked(bytes32 indexed subjectId, uint256 count);

    function registerDeath(
        bytes32 subjectId,
        bytes32 certHash,
        bytes[] calldata signatures
    ) external {
        require(signatures.length >= 2, "Require 2+ verifiers");

        deathRecords[subjectId] = DeathRecord({
            certificateHash: certHash,
            timestamp: block.timestamp,
            verified: true,
            verifiers: msg.sender
        });

        emit DeathVerified(subjectId, certHash);
    }
}