// Lightweight Graph-of-Contracts registry: versioned contracts and schemas
class GraphOfContractsRegistry {
  constructor() {
    this.contracts = {}; // key: `${name}@${version}` -> schema
  }

  registerContract(name, version, schema) {
    if (!name || !version) return;
    const key = `${name}@${version}`;
    this.contracts[key] = schema;
  }

  getContract(name, version) {
    const key = `${name}@${version}`;
    return this.contracts[key];
  }
}

module.exports = { GraphOfContractsRegistry };