@hashgraph/sdk
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JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _long = _interopRequireDefault(require("long"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
// SPDX-License-Identifier: Apache-2.0
/**
* @typedef {object} ExchangeRateJSON
* @property {number} hbars
* @property {number} cents
* @property {Date} expirationTime
* @property {number} exchangeRateInCents
*/
/**
* Represents an exchange rate between hbars and cents (USD).
* This class provides functionality for handling and converting exchange rates
* between Hedera's native HBAR currency and US cents.
*/
class ExchangeRate {
/**
* @private
* @param {object} props
* @param {number} props.hbars
* @param {number} props.cents
* @param {Date} props.expirationTime
*/
constructor(props) {
/**
* Denotes Hbar equivalent to cents (USD)
*
* @readonly
* @type {number}
*/
this.hbars = props.hbars;
/**
* Denotes cents (USD) equivalent to Hbar
*
* @readonly
* @type {number}
*/
this.cents = props.cents;
/**
* Expiration time of this exchange rate
*
* @readonly
* @type {Date}
*/
this.expirationTime = props.expirationTime;
/**
* Calculated exchange rate
*
* @readonly
* @type {number}
*/
this.exchangeRateInCents = props.cents / props.hbars;
Object.freeze(this);
}
/**
* @internal
* @param {import("@hashgraph/proto").proto.IExchangeRate} rate
* @returns {ExchangeRate}
*/
static _fromProtobuf(rate) {
return new ExchangeRate({
hbars: (/** @type {number} */rate.hbarEquiv),
cents: (/** @type {number} */rate.centEquiv),
expirationTime: new Date(rate.expirationTime != null ? rate.expirationTime.seconds != null ? _long.default.isLong(rate.expirationTime.seconds) ? rate.expirationTime.seconds.toInt() * 1000 : rate.expirationTime.seconds : 0 : 0)
});
}
/**
* @internal
* @returns {import("@hashgraph/proto").proto.IExchangeRate}
*/
_toProtobuf() {
return {
hbarEquiv: this.hbars,
centEquiv: this.cents,
expirationTime: {
seconds: _long.default.fromNumber(Math.trunc(this.expirationTime.getTime() / 1000))
}
};
}
/**
* @returns {ExchangeRateJSON}
*/
toJSON() {
return {
hbars: this.hbars,
cents: this.cents,
expirationTime: this.expirationTime,
exchangeRateInCents: this.exchangeRateInCents
};
}
/**
* @returns {string}
*/
toString() {
return JSON.stringify(this.toJSON());
}
}
exports.default = ExchangeRate;