@avalanche-sdk/interchain/dist/warp/warpUnsignedMessage.js

Interchain package for handling ICM/ICTT messages

import { utils, pvmSerial, Int, Id, Bytes, Short } from "@avalabs/avalanchejs";
import { parseWarpMessage } from "./warpMessage";
const warpManager = pvmSerial.warp.getWarpManager();
/**
 * Parses a Warp unsigned or signed message from a hex string.
 *
 * @param unsignedMsgHex - The hex string representing the unsigned or signed message.
 * @returns The parsed WarpUnsignedMessage instance. {@link WarpUnsignedMessage}
 */
export function parseWarpUnsignedMessage(unsignedMsgHex) {
    try {
        const parsedWarpUnsignedMsg = warpManager.unpack(utils.hexToBuffer(unsignedMsgHex), pvmSerial.warp.WarpUnsignedMessage);
        return new WarpUnsignedMessage(parsedWarpUnsignedMsg.networkId, parsedWarpUnsignedMsg.sourceChainId, parsedWarpUnsignedMsg.payload);
    }
    catch (error) {
        const warpMsg = parseWarpMessage(unsignedMsgHex);
        const unsignedMsg = parseWarpUnsignedMessage(warpMsg.unsignedMessage.payload.toString('hex'));
        return unsignedMsg;
    }
}
/**
 * Creates a new WarpUnsignedMessage from values.
 *
 * @param networkId - The Avalanche network ID.
 * @param sourceChainId - The source blockchain ID.
 * @param payloadHex - The warp message payload as a hex string.
 * @returns A new WarpUnsignedMessage instance. {@link WarpUnsignedMessage}
 */
export function newWarpUnsignedMessage(networkId, sourceChainId, payloadHex) {
    return new WarpUnsignedMessage(new Int(networkId), new Id(utils.base58check.decode(sourceChainId)), new Bytes(utils.hexToBuffer(payloadHex)));
}
/**
 * WarpUnsignedMessage class provides utility methods to build
 * and parse unsigned warp message from hex strings or values, and
 * access its properties.
 */
export class WarpUnsignedMessage extends pvmSerial.warp.WarpUnsignedMessage {
    /**
     * Creates a WarpUnsignedMessage instance from a hex string.
     * @param unsignedMsgHex - The hex string representing the unsigned message.
     * @returns The parsed WarpUnsignedMessage instance. {@link WarpUnsignedMessage}
     */
    static fromHex(unsignedMsgHex) {
        return parseWarpUnsignedMessage(unsignedMsgHex);
    }
    /**
     * Creates a WarpUnsignedMessage instance from values.
     * @param networkId - The Avalanche network ID.
     * @param sourceChainId - The source chain ID (base58check encoded).
     * @param payloadHex - The payload as a hex string.
     * @returns A new WarpUnsignedMessage instance. {@link WarpUnsignedMessage}
     */
    static fromValues(networkId, sourceChainId, payloadHex) {
        return newWarpUnsignedMessage(networkId, sourceChainId, payloadHex);
    }
    /**
     * Serializes the WarpUnsignedMessage to a hex string.
     * @returns The hex string representation of the message.
     */
    toHex() {
        const bytesWithoutCodec = this.toBytes(pvmSerial.warp.codec);
        const codecBytes = new Short(0);
        return utils.bufferToHex(Buffer.concat([codecBytes.toBytes(), bytesWithoutCodec]));
    }
    /**
     * Do not use this method directly.
     * Throws an error if called.
     * @throws Error
     */
    static fromBytes(_bytes, _codec) {
        throw new Error('Do not use `WarpUnsignedMessage.fromBytes` method directly.');
    }
}
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