wallet_addEthereumChain does not overwrite the network config if chainId already exists

[kentimsit]

Encountering a situation where a Dapp may use wallet_addEthereumChain to switch the user's MetaMask network settings to a better performing RPC endpoint (this is for an alternative L1, i.e. not a default MetaMask chain).

Noticed that if the chainId already exists in the user's network settings in the user's MetaMask browser extension, the wallet_addEthereumChain method does not do anything, specifically it does not overwrite the existing RPC endpoint settings.

Is this on purpose, or something that could be fixed so that the method overwrite the RPC endpoint settings ?

[BboyAkers]

@Gudahtt @shanejonas Any ideas on this? 🙂

[httpJunkie]

Looking into this with @shanejonas and @BelfordZ when we get some time.