All files / lib/serialize/address serializeIPv6.ts

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import { BufferWriter } from "@node-lightning/bufio";
import { AddressIPv6 } from "../../domain/AddressIPv6";
import { ipv6StringToBuffer } from "./ipv6StringToBuffer";
 
/**
 * Serializes an IPv6 address in a Buffer that can be sent
 * over the wire.
 */
export function serializeIPv6(address: AddressIPv6): Buffer {
    const writer = new BufferWriter(Buffer.alloc(19));
 
    const hostBytes = ipv6StringToBuffer(address.host);
 
    writer.writeUInt8(address.type);
    writer.writeBytes(hostBytes);
    writer.writeUInt16BE(address.port);
 
    return writer.toBuffer();
}