text: export const ROPSTEN = 'ropsten'
  export const RINKEBY = 'rinkeby'
  export const KOVAN = 'kovan'
  export const MAINNET = 'mainnet'
  export const GOERLI = 'goerli'
  export const LOCALHOST = 'localhost'
  
  export const MAINNET_NETWORK_ID = '1'
  export const ROPSTEN_NETWORK_ID = '3'
  export const RINKEBY_NETWORK_ID = '4'
  export const GOERLI_NETWORK_ID = '5'
  export const KOVAN_NETWORK_ID = '42'
  
  export const MAINNET_CHAIN_ID = '0x1'
  export const ROPSTEN_CHAIN_ID = '0x3'
  export const RINKEBY_CHAIN_ID = '0x4'
  export const GOERLI_CHAIN_ID = '0x5'
  export const KOVAN_CHAIN_ID = '0x2a'
  
  export const ROPSTEN_DISPLAY_NAME = 'Ropsten'
  export const RINKEBY_DISPLAY_NAME = 'Rinkeby'
  export const KOVAN_DISPLAY_NAME = 'Kovan'
  export const MAINNET_DISPLAY_NAME = 'Ethereum Mainnet'
  export const GOERLI_DISPLAY_NAME = 'Goerli'
  
  export const INFURA_PROVIDER_TYPES = [
    ROPSTEN,
    RINKEBY,
    KOVAN,
    MAINNET,
    GOERLI,
  ]
  
  export const NETWORK_TYPE_TO_ID_MAP = {
    [ROPSTEN]: { networkId: ROPSTEN_NETWORK_ID, chainId: ROPSTEN_CHAIN_ID },
    [RINKEBY]: { networkId: RINKEBY_NETWORK_ID, chainId: RINKEBY_CHAIN_ID },
    [KOVAN]: { networkId: KOVAN_NETWORK_ID, chainId: KOVAN_CHAIN_ID },
    [GOERLI]: { networkId: GOERLI_NETWORK_ID, chainId: GOERLI_CHAIN_ID },
    [MAINNET]: { networkId: MAINNET_NETWORK_ID, chainId: MAINNET_CHAIN_ID },
  }
  
  export const NETWORK_TO_NAME_MAP = {
    [ROPSTEN]: ROPSTEN_DISPLAY_NAME,
    [RINKEBY]: RINKEBY_DISPLAY_NAME,
    [KOVAN]: KOVAN_DISPLAY_NAME,
    [MAINNET]: MAINNET_DISPLAY_NAME,
    [GOERLI]: GOERLI_DISPLAY_NAME,
  
    [ROPSTEN_NETWORK_ID]: ROPSTEN_DISPLAY_NAME,
    [RINKEBY_NETWORK_ID]: RINKEBY_DISPLAY_NAME,
    [KOVAN_NETWORK_ID]: KOVAN_DISPLAY_NAME,
    [GOERLI_NETWORK_ID]: GOERLI_DISPLAY_NAME,
    [MAINNET_NETWORK_ID]: MAINNET_DISPLAY_NAME,
  
    [ROPSTEN_CHAIN_ID]: ROPSTEN_DISPLAY_NAME,
    [RINKEBY_CHAIN_ID]: RINKEBY_DISPLAY_NAME,
    [KOVAN_CHAIN_ID]: KOVAN_DISPLAY_NAME,
    [GOERLI_CHAIN_ID]: GOERLI_DISPLAY_NAME,
    [MAINNET_CHAIN_ID]: MAINNET_DISPLAY_NAME,
  }
  