Method loadLighterLibrary

js/src/base/Exchange.js:1580–1604

(libraryPath, chainId, privateKey, apiKeyIndex, accountIndex, createClient = false)

        return undefined; // c# stub
    }
    async loadLighterLibrary(libraryPath, chainId, privateKey, apiKeyIndex, accountIndex, createClient = false) {
        // wasmExecPathExample: '/opt/homebrew/opt/go/libexec/lib/wasm/wasm_exec.js';
        // libraryPath eg: '/Users/cjg/Git/lighter-go/lighter.wasm';
        if (libraryPath === undefined || libraryPath === '') {
            throw new Error('loadLighterLibrary() requires "libraryPath" that should point to "lighter.wasm".\nYou can build it from source using the official Ligher SDK or download it here https://github.com/ccxt/lighter-wasm.\nExample: exchanges.options["libraryPath"] = "/user/cjg/Git/lighter-wasm/lighter.wasm"');
        }
        if (!isNode) {
            throw new NotSupported(this.id + ' loadLighterLibrary() is only supported in node environment.');
        }
        await functions.initFileSystem();
        const wasmExecPath = this.safeString(this.options, 'wasmExecPath');
        if (wasmExecPath === undefined || wasmExecPath === '') {
            throw new Error('loadLighterLibrary() requires "wasmExecPath" that should point to `wasm_exec.js`. You can check the location of the file locally if you have GO installed or download it here https://github.com/ccxt/lighter-wasm.\nExample: exchanges.options["wasmExecPath"] = "/opt/homebrew/opt/go/libexec/lib/wasm/wasm_exec.js"');
        }
        await import(filePathToFileUrlForWindows(wasmExecPath));
        const go = new globalThis.Go();
        // read wasm from disks
        const bytes = new Uint8Array(readFile(libraryPath, null)); // it should point to lighter.wasm
        const { instance } = await WebAssembly.instantiate(bytes, go.importObject);
        go.run(instance);
        if (createClient) {
            this.lighterCreateClient(undefined, chainId, privateKey, apiKeyIndex, accountIndex);
        }
        return {}; // empty object we will read it from globalThis
    }
    lighterCreateClient(signer, chainId, privateKey, apiKeyIndex, accountIndex) {
        const url = this.implodeHostname(this.urls['api']['public']);
        const res = globalThis.CreateClient(url, privateKey, chainId, apiKeyIndex, accountIndex);