ripple-binary-codec
Version:
XRP Ledger binary codec
43 lines • 1.34 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.Blob = void 0;
const serialized_type_1 = require("./serialized-type");
const utils_1 = require("@xrplf/isomorphic/utils");
/**
* Variable length encoded type
*/
class Blob extends serialized_type_1.SerializedType {
constructor(bytes) {
super(bytes);
}
/**
* Defines how to read a Blob from a BinaryParser
*
* @param parser The binary parser to read the Blob from
* @param hint The length of the blob, computed by readVariableLengthLength() and passed in
* @returns A Blob object
*/
static fromParser(parser, hint) {
return new Blob(parser.read(hint));
}
/**
* Create a Blob object from a hex-string
*
* @param value existing Blob object or a hex-string
* @returns A Blob object
*/
static from(value) {
if (value instanceof Blob) {
return value;
}
if (typeof value === 'string') {
if (!/^[A-F0-9]*$/iu.test(value)) {
throw new Error('Cannot construct Blob from a non-hex string');
}
return new Blob((0, utils_1.hexToBytes)(value));
}
throw new Error('Cannot construct Blob from value given');
}
}
exports.Blob = Blob;
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