Function getDefaultNetwork

getDefaultNetwork(scheme: X402SchemeType, environment?: EnvironmentName): string
Return the default network for a scheme, accounting for the environment.

For nvm:erc4337, the network depends on the environment:
- sandbox / staging_sandbox → eip155:84532 (Base Sepolia)
- live / staging_live → eip155:8453 (Base Mainnet)
Falls back to X402_SCHEME_NETWORKS when no environment is given.
Parameters
- scheme: X402SchemeType
- Optionalenvironment: EnvironmentName
Returns string
- Defined in src/common/types.ts:511