@brtnetwork/brt-binary-codec
Version:
BRT Ledger binary codec
64 lines • 2.22 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.UInt32 = void 0;
var uint_1 = require("./uint");
var buffer_1 = require("buffer/");
/**
* Derived UInt class for serializing/deserializing 32 bit UInt
*/
var UInt32 = /** @class */ (function (_super) {
__extends(UInt32, _super);
function UInt32(bytes) {
return _super.call(this, bytes !== null && bytes !== void 0 ? bytes : UInt32.defaultUInt32.bytes) || this;
}
UInt32.fromParser = function (parser) {
return new UInt32(parser.read(UInt32.width));
};
/**
* Construct a UInt32 object from a number
*
* @param val UInt32 object or number
*/
UInt32.from = function (val) {
if (val instanceof UInt32) {
return val;
}
var buf = buffer_1.Buffer.alloc(UInt32.width);
if (typeof val === "string") {
var num = Number.parseInt(val);
buf.writeUInt32BE(num, 0);
return new UInt32(buf);
}
if (typeof val === "number") {
buf.writeUInt32BE(val, 0);
return new UInt32(buf);
}
throw new Error("Cannot construct UInt32 from given value");
};
/**
* get the value of a UInt32 object
*
* @returns the number represented by this.bytes
*/
UInt32.prototype.valueOf = function () {
return this.bytes.readUInt32BE(0);
};
UInt32.width = 32 / 8; // 4
UInt32.defaultUInt32 = new UInt32(buffer_1.Buffer.alloc(UInt32.width));
return UInt32;
}(uint_1.UInt));
exports.UInt32 = UInt32;
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