Variables
Const BITCOIN
BITCOIN: "Bitcoin" = "Bitcoin"
Const CRYPTO_CODES
CRYPTO_CODES: string[] = ["BTC", "ETH", "REP"]
Const CRYPTO_FIAT_CODES
CRYPTO_FIAT_CODES: string[] = ["BTC", "ETH"]
Const ETHEREUM
ETHEREUM: "Ethereum" = "Ethereum"
Const FIAT_CODES
FIAT_CODES: string[] = ["CHF", "EUR"]