@node-lightning/wire
Version:
Lightning Network Wire Protocol
73 lines • 2.82 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.AnnouncementSignaturesMessage = void 0;
const bufio_1 = require("@node-lightning/bufio");
const core_1 = require("@node-lightning/core");
const MessageType_1 = require("../MessageType");
/**
* This is a direct messagee between two endpoints of a channel
* and serves as an opt-in mechanism to allow the
* announcement of the channel to the rest of the network. It
* contains the necessary signatuures, by the sender, to construct
* the channel_announcement message.
*
* The message constructed by constructing a channel_announcement
* message, corresponding to the newly created channel, and signing
* it with the secrets matching an endpoint's node_id and
* bitcoin_key.
*/
class AnnouncementSignaturesMessage {
constructor() {
/**
* Message type - 259
*/
this.type = MessageType_1.MessageType.AnnouncementSignatures;
/**
* Buffer of the channel_id for the message.
*/
this.channelId = Buffer.alloc(0);
/**
* Buffer containing the signature of the channel_announcement message
* signed by the endpoint's node_id.
*/
this.nodeSignature = Buffer.alloc(0);
/**
* Buffer containing the signaturee of the channel_announcment message
* signed by the endpoint's bitcoin_key.
*/
this.bitcoinSignature = Buffer.alloc(0);
}
/**
* Deserializes a Buffer into an AnnouncementSignaturesMessage.
*/
static deserialize(payload) {
const reader = new bufio_1.BufferReader(payload);
reader.readUInt16BE(); // read off type
const instance = new AnnouncementSignaturesMessage();
instance.channelId = reader.readBytes(32);
instance.shortChannelId = core_1.shortChannelIdFromBuffer(reader.readBytes(8));
instance.nodeSignature = reader.readBytes(64);
instance.bitcoinSignature = reader.readBytes(64);
return instance;
}
/**
* Serializes the instance into a Buffer suitable for
* transmission on the wire.
*/
serialize() {
const len = 2 + // type
32 + // channel_id
8 + // short_channel_id
64 + // node_signature
64; // bitcoin_signaturee
const writer = new bufio_1.BufferWriter(Buffer.alloc(len));
writer.writeUInt16BE(this.type);
writer.writeBytes(this.channelId);
writer.writeBytes(this.shortChannelId.toBuffer());
writer.writeBytes(this.nodeSignature);
writer.writeBytes(this.bitcoinSignature);
return writer.toBuffer();
}
}
exports.AnnouncementSignaturesMessage = AnnouncementSignaturesMessage;
//# sourceMappingURL=AnnouncementSignaturesMessage.js.map