# Example code redeeming all DOC

In the following example we will show how to invoke redeemAllDoc using Money on Chain contract. As a condition to do this the MoC contract must be paused(). Check the [DOC redeemption section](https://docs.moneyonchain.com/main-rbtc-contract/integration-with-moc-platform/getting-docs/redeeming-docs) for more details.

We will use **truffle** and **testnet** network. You can find code examples into */examples* dir.

First we create a new node project.

```
mkdir example-redeem-all-doc
cd example-redeem-all-doc
npm init
```

Let's add the necessary dependencies to run the project.

```
npm install --save web3
```

**Example**

```js
const Web3 = require('web3');
//You must compile the smart contracts or use the official ABIs of the repository
const MoC = require('../../build/contracts/MoC.json');
const truffleConfig = require('../../truffle');
/**
 * Get a provider from truffle.js file
 * @param {String} network
 */
const getDefaultProvider = network =>
  truffleConfig.networks[network].provider || truffleConfig.networks[network].endpoint;

/**
 * Get a gasPrice from truffle.js file
 * @param {String} network
 */
const getGasPrice = network => truffleConfig.networks[network].gasPrice || 60000000;

/**
 * Get a new web3 instance from truffle.js file
 */
const getWeb3 = network => {
  const provider = getDefaultProvider(network);
  return new Web3(provider, null, {
    transactionConfirmationBlocks: 1
  });
};

const web3 = getWeb3('rskTestnet');
const gasPrice = getGasPrice('rskTestnet');

// Loading MoC address on testnet
const mocAddress = '<contract-address>';

const execute = async () => {
  web3.eth.defaultGas = 2000000;

  /**
   * Loads an specified contract
   * @param {ContractABI} abi
   * @param {String} contractAddress
   */
  const getContract = async (abi, contractAddress) => new web3.eth.Contract(abi, contractAddress);

  // Loading MoC contract
  const moc = await getContract(MoC.abi, mocAddress);
  if (!moc) {
    throw Error('Can not find MoC contract.');
  }


  const redeemAllDoc = async () => {
    const [from] = await web3.eth.getAccounts();

    console.log(`Calling redeem all Doc.`);
    moc.methods
      .redeemAllDoc()
      .send({ from, gasPrice }, function(error, transactionHash) {
        if (error) console.log(error);
        if (transactionHash) console.log('txHash: '.concat(transactionHash));
      })
      .on('transactionHash', function(hash) {
        console.log('TxHash: '.concat(hash));
      })
      .on('receipt', function(receipt) {
        console.log(receipt);
      })
      .on('error', console.error);
  };

  // Call redeem
  await redeemAllDoc();
};

execute()
  .then(() => console.log('Completed'))
  .catch(err => {
    console.log('Error', err);
  });
```


---

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