Verify Proxy Contract¶

How to Verify Proxy Contract¶

Please learn how to deploy an upgradable KIP20 contract

Flatten your contract¶

Install flattener¶

npm install truffle-flattener -g

Run the following command:

$ truffle-flattener KIP20TokenImplementation.sol > KIP20TokenImplementationFlattened.sol
$ truffle-flattener KIP20UpgradeableProxy.sol > KIP20UpgradeableProxyFlattened.sol"

Compile and deploy your contract with Remix¶

Compile Implementation contract¶

Open Remix IDE:https://remix.ethereum.org
Select solidity language
Create new contract KIP20Token.sol and copy contract code from flattened KIP20TokenImplementationFlattened.sol
Compile the implementation contract
Click on this button to switch to the compile page
Select “KIP20TokenImplementation” contract
Enable “Auto compile” and “optimization”
Click “ABI” to copy the contract abi and save it.

Deploy the implementation contract¶

Select “Injected Web3”
Select “KIP20TokenImplementation” contract
Click the “Deploy” button and Metamask will pop up
Click the “confirm” button to sign and broadcast the transaction to OKC.
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¶

Create new contract proxy.sol and copy contract code from flattened KIP20UpgradeableProxyFlattened.sol.
Compile the proxy contractClick on this button to switch to the compile page
Select “KIP20UpgradeableProxy” contract
Enable “Auto compile” and “optimization”Click “ABI” to copy the contract abi and save it.

Deploy the proxy contract¶

Select “Injected Web3”Select “KIP20UpgradeableProxy.sol” contract
Fill in the parameter

Logic: The address of KIP20Implementation contract Admin: admin cannot be KIP20 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 OKC.

Verify Proxy Contract on OKLink¶

Note: The way to verify the KIP20TokenImplementation 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 “KIP20UpgradeableProxy.sol” contractThen, click on “Parse” avatar Add all those 3 parameters as indicated. Then copy/paste the result.

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

Link these two contracts¶

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”

Edit on GitHub