ExchangeRate

ExchangeRate is the Hedera protobuf message conveying the HBAR-to-US-cent exchange rate and its expiration, used to convert fees between currencies.

ExchangeRate

An exchange rate between hbar and cents (USD) and the time at which the exchange rate will expire, and be superseded by a new exchange rate.
The price is computed as follow: 1 hbar = (centEquiv / hbarEquiv) USD cents

Field	Type	Description
centEquiv	uint64	Numerator in calculation of exchange rate between hbar and cents
hbarEquiv	uint64	Denominator in calculation of exchange rate between hbar and cents
expirationTime	TimestampSeconds	Expiration time in seconds for this exchange rate

ExchangeRateSet

Two sets of exchange rate

Field	Type	Description
currentRate	ExchangeRate	Current exchange rate
nextRate	ExchangeRate	Next exchange rate which will take effect when current rate expires