Fetching balances throws an error

[fadeev]

npx hardhat balances

An unexpected error occurred:

Error: Network empty does not exist.
    at ZetaChainClient.getEndpoint (/Users/fadeev/github.com/zeta-chain/toolkit/packages/client/src/getEndpoint.ts:9:11)
    at /Users/fadeev/github.com/zeta-chain/toolkit/packages/client/src/getBalances.ts:180:32
    at Array.map (<anonymous>)
    at ZetaChainClient.getBalances (/Users/fadeev/github.com/zeta-chain/toolkit/packages/client/src/getBalances.ts:179:38)
    at processTicksAndRejections (node:internal/process/task_queues:95:5)
    at async SimpleTaskDefinition.main [as action] (/Users/fadeev/github.com/zeta-chain/toolkit/packages/tasks/src/balances.ts:104:19)
    at async Environment._runTaskDefinition (/Users/fadeev/github.com/zeta-chain/toolkit/node_modules/hardhat/src/internal/core/runtime-environment.ts:351:14)
    at async Environment.run (/Users/fadeev/github.com/zeta-chain/toolkit/node_modules/hardhat/src/internal/core/runtime-environment.ts:184:14)
    at async main (/Users/fadeev/github.com/zeta-chain/toolkit/node_modules/hardhat/src/internal/cli/cli.ts:322:7)

[fadeev]

Some supported chains have chain_name empty.

https://zetachain-athens.blockpi.network/lcd/v1/public/zeta-chain/observer/supportedChains

   {
      "chain_id": "18333",
      "chain_name": "empty",
      "network": "btc",
      "network_type": "testnet",
      "vm": "no_vm",
      "consensus": "bitcoin",
      "is_external": true,
      "cctx_gateway": "observers",
      "name": "btc_signet_testnet"
    },
    {
      "chain_id": "18334",
      "chain_name": "empty",
      "network": "btc",
      "network_type": "testnet",
      "vm": "no_vm",
      "consensus": "bitcoin",
      "is_external": true,
      "cctx_gateway": "observers",
      "name": "btc_testnet4"
    },
    {
      "chain_id": "421614",
      "chain_name": "empty",
      "network": "arbitrum",
      "network_type": "testnet",
      "vm": "evm",
      "consensus": "arbitrum_nitro",
      "is_external": true,
      "cctx_gateway": "observers",
      "name": "arbitrum_sepolia"
    },
    {
      "chain_id": "43113",
      "chain_name": "empty",
      "network": "avalanche",
      "network_type": "testnet",
      "vm": "evm",
      "consensus": "snowman",
      "is_external": true,
      "cctx_gateway": "observers",
      "name": "avalanche_testnet"
    }

[fadeev]

@CharlieMc0 @lumtis what's the difference between name and chain_name? The toolkit was relying in chain_name, and the empty values broke some of the functionality.