chaincode-3.js

chaincode-3.js

  // [..]

  // Function for retrieving state value
  async getDataById(stub, args) {
    // Assigns id to data
    const data = args[0];
    // Verifies id is not empty
    if (!data) {
      throw new Error('Por favor especifique um id');
    }

    console.info('--- start getDataById ---');

    const dataAsBytes = await stub.getState(data);

    console.info('==================');
    console.log(dataAsBytes.toString());
    console.info('==================');

    console.info('--- end getDataById ---');

    return dataAsBytes;
  }

  // [..]