Function isMainnet

isMainnet(network: EVMNetworkId): boolean
Check if a network is mainnet
Parameters
- network: EVMNetworkId
  The network identifier
Returns boolean
True if the network is mainnet
Example
```
console.log(isMainnet('eip155:1')); // true
console.log(isMainnet('eip155:11155111')); // false
```
- Defined in networks/index.ts:99