opnet/build/providers/websocket/ProtobufLoader.js

The perfect library for building Bitcoin-based applications.

import protobuf from 'protobufjs';
let cachedRoot = null;
export async function loadProtobufSchema(baseUrl) {
    if (cachedRoot) {
        return cachedRoot;
    }
    let url = baseUrl.trim();
    if (url.endsWith('/')) {
        url = url.slice(0, -1);
    }
    const schemaUrl = `${url}/api/v1/protobuf/api-schema`;
    const response = await fetch(schemaUrl);
    if (!response.ok) {
        throw new Error(`Failed to fetch protobuf schema: ${response.status} ${response.statusText}`);
    }
    const protoContent = await response.text();
    cachedRoot = protobuf.parse(protoContent, { keepCase: true }).root;
    return cachedRoot;
}
export function getProtobufType(root, typeName) {
    const fullPath = `OPNetAPIProtocol.${typeName}`;
    return root.lookupType(fullPath);
}
export function clearProtobufCache() {
    cachedRoot = null;
}