setup.ts

// imports:
// Core interfaces
import { createAgent, IDataStore, IDataStoreORM, IDIDManager, IKeyManager } from '@veramo/core'

// Core identity manager plugin. This allows you to create and manage DIDs by orchestrating different DID provider packages.
// This implements `IDIDManager`
import { DIDManager } from '@veramo/did-manager'

// Core key manager plugin. DIDs use keys and this key manager is required to know how to work with them.
// This implements `IKeyManager`
import { KeyManager } from '@veramo/key-manager'

// This plugin allows us to create and manage `did:peer` DIDs (used by DIDManager)
import { PeerDIDProvider } from '@veramo/did-provider-peer'

// A key management system that uses a local database to store keys (used by KeyManager)
import { KeyManagementSystem, SecretBox } from '@veramo/kms-local'

// Storage plugin using TypeORM to link to a database
import { Entities, KeyStore, DIDStore, migrations, PrivateKeyStore } from '@veramo/data-store'

// TypeORM is installed with '@veramo/data-store'
import { DataSource } from 'typeorm'

// Core interfaces
import { IResolver } from '@veramo/core'

// Core DID resolver plugin. This plugin orchestrates different DID resolver drivers to resolve the corresponding DID Documents for the given DIDs.
// This plugin implements `IResolver`
import { DIDResolverPlugin } from '@veramo/did-resolver'

// the did:peer resolver package
import { getResolver as peerDidResolver } from '@veramo/did-provider-peer'
// the did:web resolver package
import { getResolver as webDidResolver } from 'web-did-resolver'

// This plugin allows us to issue and verify W3C Verifiable Credentials with JWT proof format
import { CredentialPlugin, ICredentialIssuer, ICredentialVerifier } from '@veramo/credential-w3c'

// CONSTANTS

// This is a raw X25519 private key, provided as an example.
// You can run `npx @veramo/cli config create-secret-key` in a terminal to generate a new key.
// In a production app, this MUST NOT be hardcoded in your source code.
const DB_ENCRYPTION_KEY = '29739248cad1bd1a0fc4d9b75cd4d2990de535baf5caadfdf8d8f86664aa830c'

// DB setup:
let dbConnection = new DataSource({
    type: 'expo',
    driver: require('expo-sqlite'),
    database: 'veramo.sqlite',
    migrations: migrations,
    migrationsRun: true,
    logging: ['error', 'info', 'warn'],
    entities: Entities,
  }).initialize()

  // Veramo agent setup
export const agent = createAgent<IDIDManager & IKeyManager & IDataStore & IDataStoreORM & IResolver & ICredentialIssuer & ICredentialVerifier>({
    plugins: [
      new KeyManager({
        store: new KeyStore(dbConnection),
        kms: {
          local: new KeyManagementSystem(new PrivateKeyStore(dbConnection, new SecretBox(DB_ENCRYPTION_KEY))),
        },
      }),
      new DIDManager({
        store: new DIDStore(dbConnection),
        defaultProvider: 'did:peer',
        providers: {
          'did:peer': new PeerDIDProvider({
            defaultKms: 'local'
          }),
        },
      }),
      new DIDResolverPlugin({
        ...peerDidResolver(), // and set it up to support `did:peer`
        ...webDidResolver(), // and `did:web`
      }),
      new CredentialPlugin(),
    ],
  })