@dcxp/root/packages/common/src/utils/identity-vault.ts

DCX: Decentralized Credential Exchange. DWN protocol for verifiable credential exchange.

import { IdentityVaultStatus, IdentityVaultBackup } from '@web5/agent';
import { PortableDid } from '@web5/dids';

export function isPortableDid(obj: unknown): obj is PortableDid {
  // Validate that the given value is an object that has the necessary properties of PortableDid.
  return (
    !(!obj || typeof obj !== 'object' || obj === null) &&
    'uri' in obj &&
    'document' in obj &&
    'metadata' in obj &&
    (!('keyManager' in obj) || obj.keyManager === undefined)
  );
}

export function isIdentityVaultStatus(obj: unknown): obj is IdentityVaultStatus {
  return (
    typeof obj === 'object' &&
    obj !== null &&
    'initialized' in obj &&
    typeof obj.initialized === 'boolean' &&
    'lastBackup' in obj &&
    'lastRestore' in obj
  );
}

export function isIdentityVaultBackup(obj: unknown): obj is IdentityVaultBackup {
  return (
    typeof obj === 'object' &&
    obj !== null &&
    'dateCreated' in obj &&
    typeof obj.dateCreated === 'string' &&
    'size' in obj &&
    typeof obj.size === 'number' &&
    'data' in obj &&
    typeof obj.data === 'string'
  );
}