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@proton/ccxt

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A JavaScript / TypeScript / Python / C# / PHP cryptocurrency trading library with support for 130+ exchanges

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'use strict'; Object.defineProperty(exports, '__esModule', { value: true }); function number(n) { if (!Number.isSafeInteger(n) || n < 0) throw new Error(`Wrong positive integer: ${n}`); } function bool(b) { if (typeof b !== 'boolean') throw new Error(`Expected boolean, not ${b}`); } function bytes(b, ...lengths) { if (!(b instanceof Uint8Array)) throw new TypeError('Expected Uint8Array'); if (lengths.length > 0 && !lengths.includes(b.length)) throw new TypeError(`Expected Uint8Array of length ${lengths}, not of length=${b.length}`); } function hash(hash) { if (typeof hash !== 'function' || typeof hash.create !== 'function') throw new Error('Hash should be wrapped by utils.wrapConstructor'); number(hash.outputLen); number(hash.blockLen); } function exists(instance, checkFinished = true) { if (instance.destroyed) throw new Error('Hash instance has been destroyed'); if (checkFinished && instance.finished) throw new Error('Hash#digest() has already been called'); } function output(out, instance) { bytes(out); const min = instance.outputLen; if (out.length < min) { throw new Error(`digestInto() expects output buffer of length at least ${min}`); } } const assert = { number, bool, bytes, hash, exists, output, }; exports.bool = bool; exports.bytes = bytes; exports["default"] = assert; exports.exists = exists; exports.hash = hash; exports.number = number; exports.output = output;