# Verify Proxy Contract

## How to Verify Proxy Contract <a href="#how-to-verify-proxy-contract" id="how-to-verify-proxy-contract"></a>

*Please learn how to deploy an upgradable BRC20 contract*

### Flatten your contract <a href="#flatten-your-contract" id="flatten-your-contract"></a>

#### Install flattener <a href="#install-flattener" id="install-flattener"></a>

&#x20;

```
npm install truffle-flattener -g
```

Run the following command:

```
$ truffle-flattener BRC20TokenImplementation.sol > BRC20TokenImplementationFlattened.sol
$ truffle-flattener BRC20UpgradeableProxy.sol > BRC20UpgradeableProxyFlattened.sol"
```

&#x20;

### Compile and deploy your contract with Remix <a href="#compile-and-deploy-your-contract-with-remix" id="compile-and-deploy-your-contract-with-remix"></a>

#### Compile Implementation contract <a href="#compile-implementation-contract" id="compile-implementation-contract"></a>

* Open Remix IDE: [https://remix.ethereum.org](https://remix.ethereum.org/)
* Select solidity language
* Create new contract `BRC20Token.sol` and copy contract code from flattened `BRC20TokenImplementationFlattened.sol`
* Compile the implementation contract
* Click on this button to switch to the compile page
* Select “BRC20TokenImplementation” contract
* Enable “Auto compile” and “optimization”
* Click “ABI” to copy the contract abi and save it.

#### Deploy the implementation contract <a href="#deploy-the-implementation-contract" id="deploy-the-implementation-contract"></a>

* Select “Injected Web3”
* Select “BRC20TokenImplementation” contract
* Click the “Deploy” button and Metamask will pop up
* Click the “confirm” button to sign and broadcast the transaction to TC.
* Then, you need to initialize the token: fill in all the parameters and click on “transact”

> Note: `Owner` should be the address who send the deploy transaction before.

* Click on the “Copy” icon to save the initializatioin data: Like the following: \`\`\`

```
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
```

* Confirm your transaction in MetaMask

### Compile Proxy Contract <a href="#compile-proxy-contract" id="compile-proxy-contract"></a>

* Create new contract proxy.sol and copy contract code from flattened `BRC20UpgradeableProxyFlattened.sol`. &#x20;
* Compile the proxy contractClick on this button to switch to the compile page
* Select “BRC20UpgradeableProxy” contract
* Enable “Auto compile” and “optimization”Click “ABI” to copy the contract abi and save it.

#### Deploy the proxy contract <a href="#deploy-the-proxy-contract" id="deploy-the-proxy-contract"></a>

* Select “Injected Web3”Select “BRC20UpgradeableProxy.sol” contract
* Fill in the parameters

**Logic**: The address of `BRC20Implementation` contract **Admin**: admin cannot be BRC20 token owner **Data**: use the initialization data you saved before

* Click the “Deploy” button and Metamask will pop up
* Click the “confirm” button to sign and broadcast transaction to TC.

### Verify Proxy Contract on BscScan <a href="#verify-proxy-contract-on-bscscan" id="verify-proxy-contract-on-bscscan"></a>

Note: The way to verify the BRC20TokenImplementation contract is the same as before.

* Go to your contact page and click on “Verify and Publish”
* Select Single file
* Copy your contract code below and check “Optimization” if it’s enabled
* Contractor Data: Please use this site for getting the correct constructor data: <https://abi.hashex.org/#>

First, you need to copy ABI json of “BRC20UpgradeableProxy.sol” contractThen, click on “Parse”

Add all those 3 parameters as indicated. Then copy/paste the result.

That’s it! You have verified your proxy contract.

### Link these two contracts <a href="#link-these-two-contracts" id="link-these-two-contracts"></a>

* Click on “More Options” and choose “is this a proxy”.
* Verify your proxy address
* Confirm the implementation address.

If you go back to the contract page and you can see two more buttons “Read as Proxy” and “Write as Proxy”


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