@node-dlc/messaging
Version:
DLC Messaging Protocol
87 lines • 2.93 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.OrderMetadataV0 = exports.OrderMetadata = void 0;
const bufio_1 = require("@node-dlc/bufio");
const MessageType_1 = require("../MessageType");
class OrderMetadata {
static deserialize(buf) {
const reader = new bufio_1.BufferReader(buf);
const type = Number(reader.readBigSize());
switch (type) {
case MessageType_1.MessageType.OrderMetadataV0:
return OrderMetadataV0.deserialize(buf);
default:
throw new Error(`Order metadata TLV type must be OrderMetadataV0`);
}
}
}
exports.OrderMetadata = OrderMetadata;
/**
* OrderMetadata message contains information about a node and indicates its
* desire to enter into a new contract. This is the first step toward
* order negotiation.
*/
class OrderMetadataV0 extends OrderMetadata {
constructor() {
super(...arguments);
/**
* The type for order_metadata_v0 message. order_metadata_v0 = 62774
*/
this.type = OrderMetadataV0.type;
/**
* Timestamp for order creation
*/
this.createdAt = 0;
/**
* Amount of time order is good untill
*/
this.goodTill = 0;
}
/**
* Deserializes an offer_dlc_v0 message
* @param buf
*/
static deserialize(buf) {
const instance = new OrderMetadataV0();
const reader = new bufio_1.BufferReader(buf);
reader.readBigSize(); // read type
instance.length = reader.readBigSize();
const offerIdLength = reader.readBigSize();
const offerIdBuf = reader.readBytes(Number(offerIdLength));
instance.offerId = offerIdBuf.toString();
if (!reader.eof) {
instance.createdAt = reader.readUInt32BE();
instance.goodTill = reader.readUInt32BE();
}
return instance;
}
/**
* Converts order_metadata_v0 to JSON
*/
toJSON() {
return {
type: this.type,
offerId: this.offerId,
createdAt: this.createdAt,
goodTill: this.goodTill,
};
}
/**
* Serializes the oracle_event message into a Buffer
*/
serialize() {
const writer = new bufio_1.BufferWriter();
writer.writeBigSize(this.type);
const dataWriter = new bufio_1.BufferWriter();
dataWriter.writeBigSize(this.offerId.length);
dataWriter.writeBytes(Buffer.from(this.offerId));
dataWriter.writeUInt32BE(this.createdAt);
dataWriter.writeUInt32BE(this.goodTill);
writer.writeBigSize(dataWriter.size);
writer.writeBytes(dataWriter.toBuffer());
return writer.toBuffer();
}
}
exports.OrderMetadataV0 = OrderMetadataV0;
OrderMetadataV0.type = MessageType_1.MessageType.OrderMetadataV0;
//# sourceMappingURL=OrderMetadata.js.map