getRate(cryptoSymbol)
takes cryptocurrency symbol as an argument and returns the USD price for this cryptocurrency according to the latest rate by CryptoRank.cryptoSymbol: string
; the cryptocurrency symbol to retrieve USD price for (i.e. "ETH"){value: int256,decimals: int256}
; the USD price for requested cryptocurrency symbol returned as a decimal structurecryptorankProvider_fiatRateUSD
cryptorankProvider_fiatRateUSD_transferAmount