"use strict"; var __importDefault = (this && this.__importDefault) || function (mod) { return (mod && mod.__esModule) ? mod : { "default": mod }; }; Object.defineProperty(exports, "__esModule", { value: true }); exports._base16To36 = exports._base36To16 = exports.BigNumber = exports.isBigNumberish = void 0; /** * BigNumber * * A wrapper around the BN.js object. We use the BN.js library * because it is used by elliptic, so it is required regardless. * */ var bn_js_1 = __importDefault(require("bn.js")); var BN = bn_js_1.default.BN; var bytes_1 = require("@ethersproject/bytes"); var logger_1 = require("@ethersproject/logger"); var _version_1 = require("./_version"); var logger = new logger_1.Logger(_version_1.version); var _constructorGuard = {}; var MAX_SAFE = 0x1fffffffffffff; function isBigNumberish(value) { return (value != null) && (BigNumber.isBigNumber(value) || (typeof (value) === "number" && (value % 1) === 0) || (typeof (value) === "string" && !!value.match(/^-?[0-9]+$/)) || (0, bytes_1.isHexString)(value) || (typeof (value) === "bigint") || (0, bytes_1.isBytes)(value)); } exports.isBigNumberish = isBigNumberish; // Only warn about passing 10 into radix once var _warnedToStringRadix = false; var BigNumber = /** @class */ (function () { function BigNumber(constructorGuard, hex) { var _newTarget = this.constructor; logger.checkNew(_newTarget, BigNumber); if (constructorGuard !== _constructorGuard) { logger.throwError("cannot call constructor directly; use BigNumber.from", logger_1.Logger.errors.UNSUPPORTED_OPERATION, { operation: "new (BigNumber)" }); } this._hex = hex; this._isBigNumber = true; Object.freeze(this); } BigNumber.prototype.fromTwos = function (value) { return toBigNumber(toBN(this).fromTwos(value)); }; BigNumber.prototype.toTwos = function (value) { return toBigNumber(toBN(this).toTwos(value)); }; BigNumber.prototype.abs = function () { if (this._hex[0] === "-") { return BigNumber.from(this._hex.substring(1)); } return this; }; BigNumber.prototype.add = function (other) { return toBigNumber(toBN(this).add(toBN(other))); }; BigNumber.prototype.sub = function (other) { return toBigNumber(toBN(this).sub(toBN(other))); }; BigNumber.prototype.div = function (other) { var o = BigNumber.from(other); if (o.isZero()) { throwFault("division by zero", "div"); } return toBigNumber(toBN(this).div(toBN(other))); }; BigNumber.prototype.mul = function (other) { return toBigNumber(toBN(this).mul(toBN(other))); }; BigNumber.prototype.mod = function (other) { var value = toBN(other); if (value.isNeg()) { throwFault("cannot modulo negative values", "mod"); } return toBigNumber(toBN(this).umod(value)); }; BigNumber.prototype.pow = function (other) { var value = toBN(other); if (value.isNeg()) { throwFault("cannot raise to negative values", "pow"); } return toBigNumber(toBN(this).pow(value)); }; BigNumber.prototype.and = function (other) { var value = toBN(other); if (this.isNegative() || value.isNeg()) { throwFault("cannot 'and' negative values", "and"); } return toBigNumber(toBN(this).and(value)); }; BigNumber.prototype.or = function (other) { var value = toBN(other); if (this.isNegative() || value.isNeg()) { throwFault("cannot 'or' negative values", "or"); } return toBigNumber(toBN(this).or(value)); }; BigNumber.prototype.xor = function (other) { var value = toBN(other); if (this.isNegative() || value.isNeg()) { throwFault("cannot 'xor' negative values", "xor"); } return toBigNumber(toBN(this).xor(value)); }; BigNumber.prototype.mask = function (value) { if (this.isNegative() || value < 0) { throwFault("cannot mask negative values", "mask"); } return toBigNumber(toBN(this).maskn(value)); }; BigNumber.prototype.shl = function (value) { if (this.isNegative() || value < 0) { throwFault("cannot shift negative values", "shl"); } return toBigNumber(toBN(this).shln(value)); }; BigNumber.prototype.shr = function (value) { if (this.isNegative() || value < 0) { throwFault("cannot shift negative values", "shr"); } return toBigNumber(toBN(this).shrn(value)); }; BigNumber.prototype.eq = function (other) { return toBN(this).eq(toBN(other)); }; BigNumber.prototype.lt = function (other) { return toBN(this).lt(toBN(other)); }; BigNumber.prototype.lte = function (other) { return toBN(this).lte(toBN(other)); }; BigNumber.prototype.gt = function (other) { return toBN(this).gt(toBN(other)); }; BigNumber.prototype.gte = function (other) { return toBN(this).gte(toBN(other)); }; BigNumber.prototype.isNegative = function () { return (this._hex[0] === "-"); }; BigNumber.prototype.isZero = function () { return toBN(this).isZero(); }; BigNumber.prototype.toNumber = function () { try { return toBN(this).toNumber(); } catch (error) { throwFault("overflow", "toNumber", this.toString()); } return null; }; BigNumber.prototype.toBigInt = function () { try { return BigInt(this.toString()); } catch (e) { } return logger.throwError("this platform does not support BigInt", logger_1.Logger.errors.UNSUPPORTED_OPERATION, { value: this.toString() }); }; BigNumber.prototype.toString = function () { // Lots of people expect this, which we do not support, so check (See: #889) if (arguments.length > 0) { if (arguments[0] === 10) { if (!_warnedToStringRadix) { _warnedToStringRadix = true; logger.warn("BigNumber.toString does not accept any parameters; base-10 is assumed"); } } else if (arguments[0] === 16) { logger.throwError("BigNumber.toString does not accept any parameters; use bigNumber.toHexString()", logger_1.Logger.errors.UNEXPECTED_ARGUMENT, {}); } else { logger.throwError("BigNumber.toString does not accept parameters", logger_1.Logger.errors.UNEXPECTED_ARGUMENT, {}); } } return toBN(this).toString(10); }; BigNumber.prototype.toHexString = function () { return this._hex; }; BigNumber.prototype.toJSON = function (key) { return { type: "BigNumber", hex: this.toHexString() }; }; BigNumber.from = function (value) { if (value instanceof BigNumber) { return value; } if (typeof (value) === "string") { if (value.match(/^-?0x[0-9a-f]+$/i)) { return new BigNumber(_constructorGuard, toHex(value)); } if (value.match(/^-?[0-9]+$/)) { return new BigNumber(_constructorGuard, toHex(new BN(value))); } return logger.throwArgumentError("invalid BigNumber string", "value", value); } if (typeof (value) === "number") { if (value % 1) { throwFault("underflow", "BigNumber.from", value); } if (value >= MAX_SAFE || value <= -MAX_SAFE) { throwFault("overflow", "BigNumber.from", value); } return BigNumber.from(String(value)); } var anyValue = value; if (typeof (anyValue) === "bigint") { return BigNumber.from(anyValue.toString()); } if ((0, bytes_1.isBytes)(anyValue)) { return BigNumber.from((0, bytes_1.hexlify)(anyValue)); } if (anyValue) { // Hexable interface (takes priority) if (anyValue.toHexString) { var hex = anyValue.toHexString(); if (typeof (hex) === "string") { return BigNumber.from(hex); } } else { // For now, handle legacy JSON-ified values (goes away in v6) var hex = anyValue._hex; // New-form JSON if (hex == null && anyValue.type === "BigNumber") { hex = anyValue.hex; } if (typeof (hex) === "string") { if ((0, bytes_1.isHexString)(hex) || (hex[0] === "-" && (0, bytes_1.isHexString)(hex.substring(1)))) { return BigNumber.from(hex); } } } } return logger.throwArgumentError("invalid BigNumber value", "value", value); }; BigNumber.isBigNumber = function (value) { return !!(value && value._isBigNumber); }; return BigNumber; }()); exports.BigNumber = BigNumber; // Normalize the hex string function toHex(value) { // For BN, call on the hex string if (typeof (value) !== "string") { return toHex(value.toString(16)); } // If negative, prepend the negative sign to the normalized positive value if (value[0] === "-") { // Strip off the negative sign value = value.substring(1); // Cannot have multiple negative signs (e.g. "--0x04") if (value[0] === "-") { logger.throwArgumentError("invalid hex", "value", value); } // Call toHex on the positive component value = toHex(value); // Do not allow "-0x00" if (value === "0x00") { return value; } // Negate the value return "-" + value; } // Add a "0x" prefix if missing if (value.substring(0, 2) !== "0x") { value = "0x" + value; } // Normalize zero if (value === "0x") { return "0x00"; } // Make the string even length if (value.length % 2) { value = "0x0" + value.substring(2); } // Trim to smallest even-length string while (value.length > 4 && value.substring(0, 4) === "0x00") { value = "0x" + value.substring(4); } return value; } function toBigNumber(value) { return BigNumber.from(toHex(value)); } function toBN(value) { var hex = BigNumber.from(value).toHexString(); if (hex[0] === "-") { return (new BN("-" + hex.substring(3), 16)); } return new BN(hex.substring(2), 16); } function throwFault(fault, operation, value) { var params = { fault: fault, operation: operation }; if (value != null) { params.value = value; } return logger.throwError(fault, logger_1.Logger.errors.NUMERIC_FAULT, params); } // value should have no prefix function _base36To16(value) { return (new BN(value, 36)).toString(16); } exports._base36To16 = _base36To16; // value should have no prefix function _base16To36(value) { return (new BN(value, 16)).toString(36); } exports._base16To36 = _base16To36; //# sourceMappingURL=bignumber.js.map