Config erc20 in layer1 becomes the native token for layer2

[tranchien2002]

I am working on Validium repo to deploy L2 using matic(erc20) on eth to become native token for my own layer 2, but I haven't found any parameters to configure for it

https://github.com/0xPolygon/cdk-validium-contracts/blob/main/deployment/deploy_parameters.json.example

[tranchien2002]

@invocamanman can you take a look mate