bitcoin-conversion
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[](https://www.npmjs.com/package/bitcoin-conversion)
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JavaScript
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
try {
var info = gen[key](arg);
var value = info.value;
} catch (error) {
reject(error);
return;
}
if (info.done) {
resolve(value);
} else {
Promise.resolve(value).then(_next, _throw);
}
}
function _asyncToGenerator(fn) {
return function () {
var self = this,
args = arguments;
return new Promise(function (resolve, reject) {
var gen = fn.apply(self, args);
function _next(value) {
asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
}
function _throw(err) {
asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
}
_next(undefined);
});
};
}
function _unsupportedIterableToArray(o, minLen) {
if (!o) return;
if (typeof o === "string") return _arrayLikeToArray(o, minLen);
var n = Object.prototype.toString.call(o).slice(8, -1);
if (n === "Object" && o.constructor) n = o.constructor.name;
if (n === "Map" || n === "Set") return Array.from(o);
if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
}
function _arrayLikeToArray(arr, len) {
if (len == null || len > arr.length) len = arr.length;
for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
return arr2;
}
function _createForOfIteratorHelperLoose(o, allowArrayLike) {
var it;
if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) {
if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") {
if (it) o = it;
var i = 0;
return function () {
if (i >= o.length) return {
done: true
};
return {
done: false,
value: o[i++]
};
};
}
throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}
it = o[Symbol.iterator]();
return it.next.bind(it);
}
function createCommonjsModule(fn, module) {
return module = { exports: {} }, fn(module, module.exports), module.exports;
}
var runtime_1 = createCommonjsModule(function (module) {
/**
* Copyright (c) 2014-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
var runtime = (function (exports) {
var Op = Object.prototype;
var hasOwn = Op.hasOwnProperty;
var undefined$1; // More compressible than void 0.
var $Symbol = typeof Symbol === "function" ? Symbol : {};
var iteratorSymbol = $Symbol.iterator || "@@iterator";
var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
function define(obj, key, value) {
Object.defineProperty(obj, key, {
value: value,
enumerable: true,
configurable: true,
writable: true
});
return obj[key];
}
try {
// IE 8 has a broken Object.defineProperty that only works on DOM objects.
define({}, "");
} catch (err) {
define = function(obj, key, value) {
return obj[key] = value;
};
}
function wrap(innerFn, outerFn, self, tryLocsList) {
// If outerFn provided and outerFn.prototype is a Generator, then outerFn.prototype instanceof Generator.
var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
var generator = Object.create(protoGenerator.prototype);
var context = new Context(tryLocsList || []);
// The ._invoke method unifies the implementations of the .next,
// .throw, and .return methods.
generator._invoke = makeInvokeMethod(innerFn, self, context);
return generator;
}
exports.wrap = wrap;
// Try/catch helper to minimize deoptimizations. Returns a completion
// record like context.tryEntries[i].completion. This interface could
// have been (and was previously) designed to take a closure to be
// invoked without arguments, but in all the cases we care about we
// already have an existing method we want to call, so there's no need
// to create a new function object. We can even get away with assuming
// the method takes exactly one argument, since that happens to be true
// in every case, so we don't have to touch the arguments object. The
// only additional allocation required is the completion record, which
// has a stable shape and so hopefully should be cheap to allocate.
function tryCatch(fn, obj, arg) {
try {
return { type: "normal", arg: fn.call(obj, arg) };
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return { type: "throw", arg: err };
}
}
var GenStateSuspendedStart = "suspendedStart";
var GenStateSuspendedYield = "suspendedYield";
var GenStateExecuting = "executing";
var GenStateCompleted = "completed";
// Returning this object from the innerFn has the same effect as
// breaking out of the dispatch switch statement.
var ContinueSentinel = {};
// Dummy constructor functions that we use as the .constructor and
// .constructor.prototype properties for functions that return Generator
// objects. For full spec compliance, you may wish to configure your
// minifier not to mangle the names of these two functions.
function Generator() {}
function GeneratorFunction() {}
function GeneratorFunctionPrototype() {}
// This is a polyfill for %IteratorPrototype% for environments that
// don't natively support it.
var IteratorPrototype = {};
IteratorPrototype[iteratorSymbol] = function () {
return this;
};
var getProto = Object.getPrototypeOf;
var NativeIteratorPrototype = getProto && getProto(getProto(values([])));
if (NativeIteratorPrototype &&
NativeIteratorPrototype !== Op &&
hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
// This environment has a native %IteratorPrototype%; use it instead
// of the polyfill.
IteratorPrototype = NativeIteratorPrototype;
}
var Gp = GeneratorFunctionPrototype.prototype =
Generator.prototype = Object.create(IteratorPrototype);
GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
GeneratorFunctionPrototype.constructor = GeneratorFunction;
GeneratorFunction.displayName = define(
GeneratorFunctionPrototype,
toStringTagSymbol,
"GeneratorFunction"
);
// Helper for defining the .next, .throw, and .return methods of the
// Iterator interface in terms of a single ._invoke method.
function defineIteratorMethods(prototype) {
["next", "throw", "return"].forEach(function(method) {
define(prototype, method, function(arg) {
return this._invoke(method, arg);
});
});
}
exports.isGeneratorFunction = function(genFun) {
var ctor = typeof genFun === "function" && genFun.constructor;
return ctor
? ctor === GeneratorFunction ||
// For the native GeneratorFunction constructor, the best we can
// do is to check its .name property.
(ctor.displayName || ctor.name) === "GeneratorFunction"
: false;
};
exports.mark = function(genFun) {
if (Object.setPrototypeOf) {
Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
} else {
genFun.__proto__ = GeneratorFunctionPrototype;
define(genFun, toStringTagSymbol, "GeneratorFunction");
}
genFun.prototype = Object.create(Gp);
return genFun;
};
// Within the body of any async function, `await x` is transformed to
// `yield regeneratorRuntime.awrap(x)`, so that the runtime can test
// `hasOwn.call(value, "__await")` to determine if the yielded value is
// meant to be awaited.
exports.awrap = function(arg) {
return { __await: arg };
};
function AsyncIterator(generator, PromiseImpl) {
function invoke(method, arg, resolve, reject) {
var record = tryCatch(generator[method], generator, arg);
if (record.type === "throw") {
reject(record.arg);
} else {
var result = record.arg;
var value = result.value;
if (value &&
typeof value === "object" &&
hasOwn.call(value, "__await")) {
return PromiseImpl.resolve(value.__await).then(function(value) {
invoke("next", value, resolve, reject);
}, function(err) {
invoke("throw", err, resolve, reject);
});
}
return PromiseImpl.resolve(value).then(function(unwrapped) {
// When a yielded Promise is resolved, its final value becomes
// the .value of the Promise<{value,done}> result for the
// current iteration.
result.value = unwrapped;
resolve(result);
}, function(error) {
// If a rejected Promise was yielded, throw the rejection back
// into the async generator function so it can be handled there.
return invoke("throw", error, resolve, reject);
});
}
}
var previousPromise;
function enqueue(method, arg) {
function callInvokeWithMethodAndArg() {
return new PromiseImpl(function(resolve, reject) {
invoke(method, arg, resolve, reject);
});
}
return previousPromise =
// If enqueue has been called before, then we want to wait until
// all previous Promises have been resolved before calling invoke,
// so that results are always delivered in the correct order. If
// enqueue has not been called before, then it is important to
// call invoke immediately, without waiting on a callback to fire,
// so that the async generator function has the opportunity to do
// any necessary setup in a predictable way. This predictability
// is why the Promise constructor synchronously invokes its
// executor callback, and why async functions synchronously
// execute code before the first await. Since we implement simple
// async functions in terms of async generators, it is especially
// important to get this right, even though it requires care.
previousPromise ? previousPromise.then(
callInvokeWithMethodAndArg,
// Avoid propagating failures to Promises returned by later
// invocations of the iterator.
callInvokeWithMethodAndArg
) : callInvokeWithMethodAndArg();
}
// Define the unified helper method that is used to implement .next,
// .throw, and .return (see defineIteratorMethods).
this._invoke = enqueue;
}
defineIteratorMethods(AsyncIterator.prototype);
AsyncIterator.prototype[asyncIteratorSymbol] = function () {
return this;
};
exports.AsyncIterator = AsyncIterator;
// Note that simple async functions are implemented on top of
// AsyncIterator objects; they just return a Promise for the value of
// the final result produced by the iterator.
exports.async = function(innerFn, outerFn, self, tryLocsList, PromiseImpl) {
if (PromiseImpl === void 0) PromiseImpl = Promise;
var iter = new AsyncIterator(
wrap(innerFn, outerFn, self, tryLocsList),
PromiseImpl
);
return exports.isGeneratorFunction(outerFn)
? iter // If outerFn is a generator, return the full iterator.
: iter.next().then(function(result) {
return result.done ? result.value : iter.next();
});
};
function makeInvokeMethod(innerFn, self, context) {
var state = GenStateSuspendedStart;
return function invoke(method, arg) {
if (state === GenStateExecuting) {
throw new Error("Generator is already running");
}
if (state === GenStateCompleted) {
if (method === "throw") {
throw arg;
}
// Be forgiving, per 25.3.3.3.3 of the spec:
// https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume
return doneResult();
}
context.method = method;
context.arg = arg;
while (true) {
var delegate = context.delegate;
if (delegate) {
var delegateResult = maybeInvokeDelegate(delegate, context);
if (delegateResult) {
if (delegateResult === ContinueSentinel) continue;
return delegateResult;
}
}
if (context.method === "next") {
// Setting context._sent for legacy support of Babel's
// function.sent implementation.
context.sent = context._sent = context.arg;
} else if (context.method === "throw") {
if (state === GenStateSuspendedStart) {
state = GenStateCompleted;
throw context.arg;
}
context.dispatchException(context.arg);
} else if (context.method === "return") {
context.abrupt("return", context.arg);
}
state = GenStateExecuting;
var record = tryCatch(innerFn, self, context);
if (record.type === "normal") {
// If an exception is thrown from innerFn, we leave state ===
// GenStateExecuting and loop back for another invocation.
state = context.done
? GenStateCompleted
: GenStateSuspendedYield;
if (record.arg === ContinueSentinel) {
continue;
}
return {
value: record.arg,
done: context.done
};
} else if (record.type === "throw") {
state = GenStateCompleted;
// Dispatch the exception by looping back around to the
// context.dispatchException(context.arg) call above.
context.method = "throw";
context.arg = record.arg;
}
}
};
}
// Call delegate.iterator[context.method](context.arg) and handle the
// result, either by returning a { value, done } result from the
// delegate iterator, or by modifying context.method and context.arg,
// setting context.delegate to null, and returning the ContinueSentinel.
function maybeInvokeDelegate(delegate, context) {
var method = delegate.iterator[context.method];
if (method === undefined$1) {
// A .throw or .return when the delegate iterator has no .throw
// method always terminates the yield* loop.
context.delegate = null;
if (context.method === "throw") {
// Note: ["return"] must be used for ES3 parsing compatibility.
if (delegate.iterator["return"]) {
// If the delegate iterator has a return method, give it a
// chance to clean up.
context.method = "return";
context.arg = undefined$1;
maybeInvokeDelegate(delegate, context);
if (context.method === "throw") {
// If maybeInvokeDelegate(context) changed context.method from
// "return" to "throw", let that override the TypeError below.
return ContinueSentinel;
}
}
context.method = "throw";
context.arg = new TypeError(
"The iterator does not provide a 'throw' method");
}
return ContinueSentinel;
}
var record = tryCatch(method, delegate.iterator, context.arg);
if (record.type === "throw") {
context.method = "throw";
context.arg = record.arg;
context.delegate = null;
return ContinueSentinel;
}
var info = record.arg;
if (! info) {
context.method = "throw";
context.arg = new TypeError("iterator result is not an object");
context.delegate = null;
return ContinueSentinel;
}
if (info.done) {
// Assign the result of the finished delegate to the temporary
// variable specified by delegate.resultName (see delegateYield).
context[delegate.resultName] = info.value;
// Resume execution at the desired location (see delegateYield).
context.next = delegate.nextLoc;
// If context.method was "throw" but the delegate handled the
// exception, let the outer generator proceed normally. If
// context.method was "next", forget context.arg since it has been
// "consumed" by the delegate iterator. If context.method was
// "return", allow the original .return call to continue in the
// outer generator.
if (context.method !== "return") {
context.method = "next";
context.arg = undefined$1;
}
} else {
// Re-yield the result returned by the delegate method.
return info;
}
// The delegate iterator is finished, so forget it and continue with
// the outer generator.
context.delegate = null;
return ContinueSentinel;
}
// Define Generator.prototype.{next,throw,return} in terms of the
// unified ._invoke helper method.
defineIteratorMethods(Gp);
define(Gp, toStringTagSymbol, "Generator");
// A Generator should always return itself as the iterator object when the
// @@iterator function is called on it. Some browsers' implementations of the
// iterator prototype chain incorrectly implement this, causing the Generator
// object to not be returned from this call. This ensures that doesn't happen.
// See https://github.com/facebook/regenerator/issues/274 for more details.
Gp[iteratorSymbol] = function() {
return this;
};
Gp.toString = function() {
return "[object Generator]";
};
function pushTryEntry(locs) {
var entry = { tryLoc: locs[0] };
if (1 in locs) {
entry.catchLoc = locs[1];
}
if (2 in locs) {
entry.finallyLoc = locs[2];
entry.afterLoc = locs[3];
}
this.tryEntries.push(entry);
}
function resetTryEntry(entry) {
var record = entry.completion || {};
record.type = "normal";
delete record.arg;
entry.completion = record;
}
function Context(tryLocsList) {
// The root entry object (effectively a try statement without a catch
// or a finally block) gives us a place to store values thrown from
// locations where there is no enclosing try statement.
this.tryEntries = [{ tryLoc: "root" }];
tryLocsList.forEach(pushTryEntry, this);
this.reset(true);
}
exports.keys = function(object) {
var keys = [];
for (var key in object) {
keys.push(key);
}
keys.reverse();
// Rather than returning an object with a next method, we keep
// things simple and return the next function itself.
return function next() {
while (keys.length) {
var key = keys.pop();
if (key in object) {
next.value = key;
next.done = false;
return next;
}
}
// To avoid creating an additional object, we just hang the .value
// and .done properties off the next function object itself. This
// also ensures that the minifier will not anonymize the function.
next.done = true;
return next;
};
};
function values(iterable) {
if (iterable) {
var iteratorMethod = iterable[iteratorSymbol];
if (iteratorMethod) {
return iteratorMethod.call(iterable);
}
if (typeof iterable.next === "function") {
return iterable;
}
if (!isNaN(iterable.length)) {
var i = -1, next = function next() {
while (++i < iterable.length) {
if (hasOwn.call(iterable, i)) {
next.value = iterable[i];
next.done = false;
return next;
}
}
next.value = undefined$1;
next.done = true;
return next;
};
return next.next = next;
}
}
// Return an iterator with no values.
return { next: doneResult };
}
exports.values = values;
function doneResult() {
return { value: undefined$1, done: true };
}
Context.prototype = {
constructor: Context,
reset: function(skipTempReset) {
this.prev = 0;
this.next = 0;
// Resetting context._sent for legacy support of Babel's
// function.sent implementation.
this.sent = this._sent = undefined$1;
this.done = false;
this.delegate = null;
this.method = "next";
this.arg = undefined$1;
this.tryEntries.forEach(resetTryEntry);
if (!skipTempReset) {
for (var name in this) {
// Not sure about the optimal order of these conditions:
if (name.charAt(0) === "t" &&
hasOwn.call(this, name) &&
!isNaN(+name.slice(1))) {
this[name] = undefined$1;
}
}
}
},
stop: function() {
this.done = true;
var rootEntry = this.tryEntries[0];
var rootRecord = rootEntry.completion;
if (rootRecord.type === "throw") {
throw rootRecord.arg;
}
return this.rval;
},
dispatchException: function(exception) {
if (this.done) {
throw exception;
}
var context = this;
function handle(loc, caught) {
record.type = "throw";
record.arg = exception;
context.next = loc;
if (caught) {
// If the dispatched exception was caught by a catch block,
// then let that catch block handle the exception normally.
context.method = "next";
context.arg = undefined$1;
}
return !! caught;
}
for (var i = this.tryEntries.length - 1; i >= 0; --i) {
var entry = this.tryEntries[i];
var record = entry.completion;
if (entry.tryLoc === "root") {
// Exception thrown outside of any try block that could handle
// it, so set the completion value of the entire function to
// throw the exception.
return handle("end");
}
if (entry.tryLoc <= this.prev) {
var hasCatch = hasOwn.call(entry, "catchLoc");
var hasFinally = hasOwn.call(entry, "finallyLoc");
if (hasCatch && hasFinally) {
if (this.prev < entry.catchLoc) {
return handle(entry.catchLoc, true);
} else if (this.prev < entry.finallyLoc) {
return handle(entry.finallyLoc);
}
} else if (hasCatch) {
if (this.prev < entry.catchLoc) {
return handle(entry.catchLoc, true);
}
} else if (hasFinally) {
if (this.prev < entry.finallyLoc) {
return handle(entry.finallyLoc);
}
} else {
throw new Error("try statement without catch or finally");
}
}
}
},
abrupt: function(type, arg) {
for (var i = this.tryEntries.length - 1; i >= 0; --i) {
var entry = this.tryEntries[i];
if (entry.tryLoc <= this.prev &&
hasOwn.call(entry, "finallyLoc") &&
this.prev < entry.finallyLoc) {
var finallyEntry = entry;
break;
}
}
if (finallyEntry &&
(type === "break" ||
type === "continue") &&
finallyEntry.tryLoc <= arg &&
arg <= finallyEntry.finallyLoc) {
// Ignore the finally entry if control is not jumping to a
// location outside the try/catch block.
finallyEntry = null;
}
var record = finallyEntry ? finallyEntry.completion : {};
record.type = type;
record.arg = arg;
if (finallyEntry) {
this.method = "next";
this.next = finallyEntry.finallyLoc;
return ContinueSentinel;
}
return this.complete(record);
},
complete: function(record, afterLoc) {
if (record.type === "throw") {
throw record.arg;
}
if (record.type === "break" ||
record.type === "continue") {
this.next = record.arg;
} else if (record.type === "return") {
this.rval = this.arg = record.arg;
this.method = "return";
this.next = "end";
} else if (record.type === "normal" && afterLoc) {
this.next = afterLoc;
}
return ContinueSentinel;
},
finish: function(finallyLoc) {
for (var i = this.tryEntries.length - 1; i >= 0; --i) {
var entry = this.tryEntries[i];
if (entry.finallyLoc === finallyLoc) {
this.complete(entry.completion, entry.afterLoc);
resetTryEntry(entry);
return ContinueSentinel;
}
}
},
"catch": function(tryLoc) {
for (var i = this.tryEntries.length - 1; i >= 0; --i) {
var entry = this.tryEntries[i];
if (entry.tryLoc === tryLoc) {
var record = entry.completion;
if (record.type === "throw") {
var thrown = record.arg;
resetTryEntry(entry);
}
return thrown;
}
}
// The context.catch method must only be called with a location
// argument that corresponds to a known catch block.
throw new Error("illegal catch attempt");
},
delegateYield: function(iterable, resultName, nextLoc) {
this.delegate = {
iterator: values(iterable),
resultName: resultName,
nextLoc: nextLoc
};
if (this.method === "next") {
// Deliberately forget the last sent value so that we don't
// accidentally pass it on to the delegate.
this.arg = undefined$1;
}
return ContinueSentinel;
}
};
// Regardless of whether this script is executing as a CommonJS module
// or not, return the runtime object so that we can declare the variable
// regeneratorRuntime in the outer scope, which allows this module to be
// injected easily by `bin/regenerator --include-runtime script.js`.
return exports;
}(
// If this script is executing as a CommonJS module, use module.exports
// as the regeneratorRuntime namespace. Otherwise create a new empty
// object. Either way, the resulting object will be used to initialize
// the regeneratorRuntime variable at the top of this file.
module.exports
));
try {
regeneratorRuntime = runtime;
} catch (accidentalStrictMode) {
// This module should not be running in strict mode, so the above
// assignment should always work unless something is misconfigured. Just
// in case runtime.js accidentally runs in strict mode, we can escape
// strict mode using a global Function call. This could conceivably fail
// if a Content Security Policy forbids using Function, but in that case
// the proper solution is to fix the accidental strict mode problem. If
// you've misconfigured your bundler to force strict mode and applied a
// CSP to forbid Function, and you're not willing to fix either of those
// problems, please detail your unique predicament in a GitHub issue.
Function("r", "regeneratorRuntime = r")(runtime);
}
});
var numSatsInBtc = 100000000;
var bitcoinToFiat = /*#__PURE__*/function () {
var _ref = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/runtime_1.mark(function _callee(amountInBtc, convertTo) {
var btc, rate;
return runtime_1.wrap(function _callee$(_context) {
while (1) {
switch (_context.prev = _context.next) {
case 0:
btc = parseFiniteNumber(amountInBtc, 'amountInBtc');
_context.t0 = parseFiniteNumber;
_context.next = 4;
return getFiatBtcRate(convertTo);
case 4:
_context.t1 = _context.sent;
_context.t2 = "BTC-" + convertTo + " rate";
rate = (0, _context.t0)(_context.t1, _context.t2);
return _context.abrupt("return", btc * rate);
case 8:
case "end":
return _context.stop();
}
}
}, _callee);
}));
return function bitcoinToFiat(_x, _x2) {
return _ref.apply(this, arguments);
};
}();
var bitcoinToPepecash = /*#__PURE__*/function () {
var _ref2 = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/runtime_1.mark(function _callee2(amountInBtc) {
var btc, pepecashToBtcRate;
return runtime_1.wrap(function _callee2$(_context2) {
while (1) {
switch (_context2.prev = _context2.next) {
case 0:
btc = parseFiniteNumber(amountInBtc, 'amountInBtc');
_context2.t0 = parseFiniteNumber;
_context2.next = 4;
return getPepecashBtcRate();
case 4:
_context2.t1 = _context2.sent;
pepecashToBtcRate = (0, _context2.t0)(_context2.t1, 'PEPECASH/BTC rate');
return _context2.abrupt("return", safeDivide(btc, pepecashToBtcRate, 'bitcoinToPepecash'));
case 7:
case "end":
return _context2.stop();
}
}
}, _callee2);
}));
return function bitcoinToPepecash(_x3) {
return _ref2.apply(this, arguments);
};
}();
var bitcoinToSatoshis = function bitcoinToSatoshis(amountInBtc) {
var btc = parseFiniteNumber(amountInBtc, 'amountInBtc');
return btc * numSatsInBtc;
};
var bitcoinToXcp = /*#__PURE__*/function () {
var _ref3 = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/runtime_1.mark(function _callee3(amountInBtc) {
var btc, xcpToBtcRate;
return runtime_1.wrap(function _callee3$(_context3) {
while (1) {
switch (_context3.prev = _context3.next) {
case 0:
btc = parseFiniteNumber(amountInBtc, 'amountInBtc');
_context3.t0 = parseFiniteNumber;
_context3.next = 4;
return getXcpBtcRate();
case 4:
_context3.t1 = _context3.sent;
xcpToBtcRate = (0, _context3.t0)(_context3.t1, 'XCP/BTC rate');
return _context3.abrupt("return", safeDivide(btc, xcpToBtcRate, 'bitcoinToXcp'));
case 7:
case "end":
return _context3.stop();
}
}
}, _callee3);
}));
return function bitcoinToXcp(_x4) {
return _ref3.apply(this, arguments);
};
}();
var cryptoToBitcoin = /*#__PURE__*/function () {
var _ref4 = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/runtime_1.mark(function _callee4(amountInCrypto, cryptoCode) {
var amount, btcRate;
return runtime_1.wrap(function _callee4$(_context4) {
while (1) {
switch (_context4.prev = _context4.next) {
case 0:
amount = parseFiniteNumber(amountInCrypto, 'amountInCrypto');
_context4.t0 = parseFiniteNumber;
_context4.next = 4;
return getCryptoBtcRate(cryptoCode);
case 4:
_context4.t1 = _context4.sent;
_context4.t2 = cryptoCode + "/BTC rate";
btcRate = (0, _context4.t0)(_context4.t1, _context4.t2);
return _context4.abrupt("return", amount * btcRate);
case 8:
case "end":
return _context4.stop();
}
}
}, _callee4);
}));
return function cryptoToBitcoin(_x5, _x6) {
return _ref4.apply(this, arguments);
};
}();
var pepecashToBitcoin = /*#__PURE__*/function () {
var _ref5 = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/runtime_1.mark(function _callee5(amountInPepecash) {
var pepecash, pepecashToBtcRate;
return runtime_1.wrap(function _callee5$(_context5) {
while (1) {
switch (_context5.prev = _context5.next) {
case 0:
pepecash = parseFiniteNumber(amountInPepecash, 'amountInPepecash');
_context5.t0 = parseFiniteNumber;
_context5.next = 4;
return getPepecashBtcRate();
case 4:
_context5.t1 = _context5.sent;
pepecashToBtcRate = (0, _context5.t0)(_context5.t1, 'PEPECASH/BTC rate');
return _context5.abrupt("return", pepecash * pepecashToBtcRate);
case 7:
case "end":
return _context5.stop();
}
}
}, _callee5);
}));
return function pepecashToBitcoin(_x7) {
return _ref5.apply(this, arguments);
};
}();
var xcpToBitcoin = /*#__PURE__*/function () {
var _ref6 = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/runtime_1.mark(function _callee6(amountInXcp) {
var xcp, xcpToBtcRate;
return runtime_1.wrap(function _callee6$(_context6) {
while (1) {
switch (_context6.prev = _context6.next) {
case 0:
xcp = parseFiniteNumber(amountInXcp, 'amountInXcp');
_context6.t0 = parseFiniteNumber;
_context6.next = 4;
return getXcpBtcRate();
case 4:
_context6.t1 = _context6.sent;
xcpToBtcRate = (0, _context6.t0)(_context6.t1, 'XCP/BTC rate');
return _context6.abrupt("return", xcp * xcpToBtcRate);
case 7:
case "end":
return _context6.stop();
}
}
}, _callee6);
}));
return function xcpToBitcoin(_x8) {
return _ref6.apply(this, arguments);
};
}();
var satoshisToBitcoin = function satoshisToBitcoin(amountInSatoshis) {
var sats = parseFiniteNumber(amountInSatoshis, 'amountInSatoshis');
return safeDivide(sats, numSatsInBtc, 'satoshisToBitcoin');
};
var satoshisToFiat = /*#__PURE__*/function () {
var _ref7 = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/runtime_1.mark(function _callee7(amountInSats, convertTo) {
var btc, fiat;
return runtime_1.wrap(function _callee7$(_context7) {
while (1) {
switch (_context7.prev = _context7.next) {
case 0:
btc = satoshisToBitcoin(amountInSats);
_context7.next = 3;
return bitcoinToFiat(btc, convertTo);
case 3:
fiat = _context7.sent;
return _context7.abrupt("return", fiat);
case 5:
case "end":
return _context7.stop();
}
}
}, _callee7);
}));
return function satoshisToFiat(_x9, _x10) {
return _ref7.apply(this, arguments);
};
}();
var fiatToBitcoin = /*#__PURE__*/function () {
var _ref8 = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/runtime_1.mark(function _callee8(amountInCurrency, convertFrom) {
var amount, rate;
return runtime_1.wrap(function _callee8$(_context8) {
while (1) {
switch (_context8.prev = _context8.next) {
case 0:
amount = parseFiniteNumber(amountInCurrency, 'amountInCurrency');
_context8.t0 = parseFiniteNumber;
_context8.next = 4;
return getFiatBtcRate(convertFrom);
case 4:
_context8.t1 = _context8.sent;
_context8.t2 = "BTC-" + convertFrom + " rate";
rate = (0, _context8.t0)(_context8.t1, _context8.t2);
return _context8.abrupt("return", safeDivide(amount, rate, 'fiatToBitcoin'));
case 8:
case "end":
return _context8.stop();
}
}
}, _callee8);
}));
return function fiatToBitcoin(_x11, _x12) {
return _ref8.apply(this, arguments);
};
}();
var fiatToSatoshis = /*#__PURE__*/function () {
var _ref9 = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/runtime_1.mark(function _callee9(amountInCurrency, convertFrom) {
var amountInBtc;
return runtime_1.wrap(function _callee9$(_context9) {
while (1) {
switch (_context9.prev = _context9.next) {
case 0:
_context9.next = 2;
return fiatToBitcoin(amountInCurrency, convertFrom);
case 2:
amountInBtc = _context9.sent;
return _context9.abrupt("return", bitcoinToSatoshis(amountInBtc));
case 4:
case "end":
return _context9.stop();
}
}
}, _callee9);
}));
return function fiatToSatoshis(_x13, _x14) {
return _ref9.apply(this, arguments);
};
}();
var getCryptoBtcRate = /*#__PURE__*/function () {
var _ref10 = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/runtime_1.mark(function _callee10(cryptoCode) {
var response, json, data;
return runtime_1.wrap(function _callee10$(_context10) {
while (1) {
switch (_context10.prev = _context10.next) {
case 0:
_context10.next = 2;
return fetch("https://min-api.cryptocompare.com/data/price?fsym=" + cryptoCode + "&tsyms=BTC");
case 2:
response = _context10.sent;
if (!(response.status !== 200)) {
_context10.next = 8;
break;
}
_context10.next = 6;
return response.json();
case 6:
json = _context10.sent;
throw Error(json);
case 8:
_context10.next = 10;
return response.json();
case 10:
data = _context10.sent;
return _context10.abrupt("return", data.BTC);
case 12:
case "end":
return _context10.stop();
}
}
}, _callee10);
}));
return function getCryptoBtcRate(_x15) {
return _ref10.apply(this, arguments);
};
}();
/**
* returns the current value of one PEPECASH in BTC
*/
var getPepecashBtcRate = /*#__PURE__*/function () {
var _ref11 = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/runtime_1.mark(function _callee11() {
var response, json, data;
return runtime_1.wrap(function _callee11$(_context11) {
while (1) {
switch (_context11.prev = _context11.next) {
case 0:
_context11.next = 2;
return fetch('https://xchain.io/api/asset/PEPECASH');
case 2:
response = _context11.sent;
if (!(response.status !== 200)) {
_context11.next = 8;
break;
}
_context11.next = 6;
return response.json();
case 6:
json = _context11.sent;
throw Error(json);
case 8:
_context11.next = 10;
return response.json();
case 10:
data = _context11.sent;
return _context11.abrupt("return", data.estimated_value.btc);
case 12:
case "end":
return _context11.stop();
}
}
}, _callee11);
}));
return function getPepecashBtcRate() {
return _ref11.apply(this, arguments);
};
}();
/**
* returns the current value of one XCP in BTC
*/
var getXcpBtcRate = /*#__PURE__*/function () {
var _ref12 = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/runtime_1.mark(function _callee12() {
var response, json, data;
return runtime_1.wrap(function _callee12$(_context12) {
while (1) {
switch (_context12.prev = _context12.next) {
case 0:
_context12.next = 2;
return fetch('https://xchain.io/api/asset/XCP');
case 2:
response = _context12.sent;
if (!(response.status !== 200)) {
_context12.next = 8;
break;
}
_context12.next = 6;
return response.json();
case 6:
json = _context12.sent;
throw Error(json);
case 8:
_context12.next = 10;
return response.json();
case 10:
data = _context12.sent;
return _context12.abrupt("return", data.estimated_value.btc);
case 12:
case "end":
return _context12.stop();
}
}
}, _callee12);
}));
return function getXcpBtcRate() {
return _ref12.apply(this, arguments);
};
}();
var rateCache = {};
var providerCooldowns = {};
var CACHE_TTL_MS = 60000;
var STALE_CACHE_TTL_MS = 10 * 60 * 1000;
var PROVIDER_TIMEOUT_MS = 3000;
var DEFAULT_RATE_LIMIT_COOLDOWN_MS = 60 * 1000;
var getFiatBtcRate = /*#__PURE__*/function () {
var _ref13 = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/runtime_1.mark(function _callee13(currency) {
var now, cachedData, failures, _iterator, _step, provider, cooldownUntil, rawRate, rate, providerError;
return runtime_1.wrap(function _callee13$(_context13) {
while (1) {
switch (_context13.prev = _context13.next) {
case 0:
now = Date.now();
cachedData = rateCache[currency];
if (!(cachedData && now - cachedData.timestamp < CACHE_TTL_MS)) {
_context13.next = 4;
break;
}
return _context13.abrupt("return", cachedData.rate);
case 4:
failures = [];
_iterator = _createForOfIteratorHelperLoose(fiatRateProviders);
case 6:
if ((_step = _iterator()).done) {
_context13.next = 28;
break;
}
provider = _step.value;
cooldownUntil = providerCooldowns[provider.name];
if (!(cooldownUntil && cooldownUntil > Date.now())) {
_context13.next = 12;
break;
}
failures.push({
provider: provider.name,
reason: "cooldown until " + new Date(cooldownUntil).toISOString()
});
return _context13.abrupt("continue", 26);
case 12:
_context13.prev = 12;
_context13.next = 15;
return provider.getRate(currency);
case 15:
rawRate = _context13.sent;
rate = normalizeRate(rawRate);
rateCache[currency] = {
rate: rate,
timestamp: Date.now()
};
return _context13.abrupt("return", rate);
case 21:
_context13.prev = 21;
_context13.t0 = _context13["catch"](12);
providerError = toProviderError(_context13.t0, provider.name);
failures.push({
provider: provider.name,
reason: providerError.message
});
if (providerError.cooldownMs) {
providerCooldowns[provider.name] = Date.now() + providerError.cooldownMs;
}
case 26:
_context13.next = 6;
break;
case 28:
if (!(cachedData && Date.now() - cachedData.timestamp <= STALE_CACHE_TTL_MS)) {
_context13.next = 30;
break;
}
return _context13.abrupt("return", cachedData.rate);
case 30:
throw new Error("Failed to fetch BTC-" + currency + " rate from all providers. " + describeFailures(failures));
case 31:
case "end":
return _context13.stop();
}
}
}, _callee13, null, [[12, 21]]);
}));
return function getFiatBtcRate(_x16) {
return _ref13.apply(this, arguments);
};
}();
var getCoinbaseFiatBtcRate = /*#__PURE__*/function () {
var _ref14 = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/runtime_1.mark(function _callee14(currency) {
var _yield$fetchJsonWithT, response, data, amount;
return runtime_1.wrap(function _callee14$(_context14) {
while (1) {
switch (_context14.prev = _context14.next) {
case 0:
_context14.next = 2;
return fetchJsonWithTimeout("https://api.coinbase.com/v2/prices/BTC-" + currency + "/spot");
case 2:
_yield$fetchJsonWithT = _context14.sent;
response = _yield$fetchJsonWithT.response;
data = _yield$fetchJsonWithT.data;
ensureHttpSuccess('coinbase', response.status, response.headers.get('retry-after'), data);
amount = getNestedValue('coinbase', data, ['data', 'amount']);
return _context14.abrupt("return", asRateValue('coinbase', amount, currency));
case 8:
case "end":
return _context14.stop();
}
}
}, _callee14);
}));
return function getCoinbaseFiatBtcRate(_x17) {
return _ref14.apply(this, arguments);
};
}();
var getBitpayFiatBtcRate = /*#__PURE__*/function () {
var _ref15 = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/runtime_1.mark(function _callee15(currency) {
var _yield$fetchJsonWithT2, response, data, rate;
return runtime_1.wrap(function _callee15$(_context15) {
while (1) {
switch (_context15.prev = _context15.next) {
case 0:
_context15.next = 2;
return fetchJsonWithTimeout("https://bitpay.com/rates/BTC/" + currency);
case 2:
_yield$fetchJsonWithT2 = _context15.sent;
response = _yield$fetchJsonWithT2.response;
data = _yield$fetchJsonWithT2.data;
ensureHttpSuccess('bitpay', response.status, response.headers.get('retry-after'), data);
rate = getNestedValue('bitpay', data, ['data', 'rate']);
return _context15.abrupt("return", asRateValue('bitpay', rate, currency));
case 8:
case "end":
return _context15.stop();
}
}
}, _callee15);
}));
return function getBitpayFiatBtcRate(_x18) {
return _ref15.apply(this, arguments);
};
}();
var getBlockchainFiatBtcRate = /*#__PURE__*/function () {
var _ref16 = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/runtime_1.mark(function _callee16(currency) {
var _yield$fetchJsonWithT3, response, data, currencyData, rate;
return runtime_1.wrap(function _callee16$(_context16) {
while (1) {
switch (_context16.prev = _context16.next) {
case 0:
_context16.next = 2;
return fetchJsonWithTimeout('https://blockchain.info/ticker');
case 2:
_yield$fetchJsonWithT3 = _context16.sent;
response = _yield$fetchJsonWithT3.response;
data = _yield$fetchJsonWithT3.data;
ensureHttpSuccess('blockchain', response.status, response.headers.get('retry-after'), data);
currencyData = getNestedValue('blockchain', data, [currency]);
rate = getNestedValue('blockchain', currencyData, ['last']);
return _context16.abrupt("return", asRateValue('blockchain', rate, currency));
case 9:
case "end":
return _context16.stop();
}
}
}, _callee16);
}));
return function getBlockchainFiatBtcRate(_x19) {
return _ref16.apply(this, arguments);
};
}();
var getCoingeckoFiatBtcRate = /*#__PURE__*/function () {
var _ref17 = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/runtime_1.mark(function _callee17(currency) {
var lowerCurrency, _yield$fetchJsonWithT4, response, data, bitcoin, rate;
return runtime_1.wrap(function _callee17$(_context17) {
while (1) {
switch (_context17.prev = _context17.next) {
case 0:
lowerCurrency = currency.toLowerCase();
_context17.next = 3;
return fetchJsonWithTimeout("https://api.coingecko.com/api/v3/simple/price?ids=bitcoin&vs_currencies=" + lowerCurrency);
case 3:
_yield$fetchJsonWithT4 = _context17.sent;
response = _yield$fetchJsonWithT4.response;
data = _yield$fetchJsonWithT4.data;
ensureHttpSuccess('coingecko', response.status, response.headers.get('retry-after'), data);
bitcoin = getNestedValue('coingecko', data, ['bitcoin']);
rate = getNestedValue('coingecko', bitcoin, [lowerCurrency]);
return _context17.abrupt("return", asRateValue('coingecko', rate, currency));
case 10:
case "end":
return _context17.stop();
}
}
}, _callee17);
}));
return function getCoingeckoFiatBtcRate(_x20) {
return _ref17.apply(this, arguments);
};
}();
var fetchJsonWithTimeout = /*#__PURE__*/function () {
var _ref18 = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/runtime_1.mark(function _callee18(url) {
var controller, timeout, response, data;
return runtime_1.wrap(function _callee18$(_context18) {
while (1) {
switch (_context18.prev = _context18.next) {
case 0:
controller = new AbortController();
timeout = setTimeout(function () {
return controller.abort();
}, PROVIDER_TIMEOUT_MS);
_context18.prev = 2;
_context18.next = 5;
return fetch(url, {
signal: controller.signal
});
case 5:
response = _context18.sent;
_context18.next = 8;
return safeJson(response);
case 8:
data = _context18.sent;
return _context18.abrupt("return", {
response: response,
data: data
});
case 10:
_context18.prev = 10;
clearTimeout(timeout);
return _context18.finish(10);
case 13:
case "end":
return _context18.stop();
}
}
}, _callee18, null, [[2,, 10, 13]]);
}));
return function fetchJsonWithTimeout(_x21) {
return _ref18.apply(this, arguments);
};
}();
var safeJson = /*#__PURE__*/function () {
var _ref19 = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/runtime_1.mark(function _callee19(response) {
return runtime_1.wrap(function _callee19$(_context19) {
while (1) {
switch (_context19.prev = _context19.next) {
case 0:
_context19.prev = 0;
_context19.next = 3;
return response.json();
case 3:
return _context19.abrupt("return", _context19.sent);
case 6:
_context19.prev = 6;
_context19.t0 = _context19["catch"](0);
return _context19.abrupt("return", null);
case 9:
case "end":
return _context19.stop();
}
}
}, _callee19, null, [[0, 6]]);
}));
return function safeJson(_x22) {
return _ref19.apply(this, arguments);
};
}();
var ensureHttpSuccess = function ensureHttpSuccess(provider, status, retryAfterHeader, data) {
var _parseRetryAfterMs;
if (status === 200) {
return;
}
var summary = data === null ?