direkturcrypto
f376b439a5
JSON.stringify(err.response.config) in clob-client's errorHandling includes the httpsAgent (HttpsProxyAgent) object which has circular/deep refs, causing "Maximum call stack size exceeded" on every API error. - Fixed live node_modules file to log only status + data (no config) - Updated patch script to apply this fix idempotently after npm install, independent of proxy patch (two separate checks/markers) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
115 lines
4.6 KiB
JavaScript
115 lines
4.6 KiB
JavaScript
/**
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* patch-clob-client.cjs
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*
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* Patches @polymarket/clob-client to inject proxy support.
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* Runs automatically via `npm install` (postinstall hook).
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*
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* What it does:
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* - Adds HttpsProxyAgent import to http-helpers/index.js
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* - Registers an axios interceptor that injects the proxy agent
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* into every request to polymarket.com
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* - Reads PROXY_URL from process.env at runtime
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*/
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const fs = require('fs');
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const path = require('path');
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const TARGET = path.join(
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__dirname,
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'..',
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'node_modules',
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'@polymarket',
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'clob-client',
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'dist',
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'http-helpers',
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'index.js',
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);
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if (!fs.existsSync(TARGET)) {
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console.log('[patch] @polymarket/clob-client not found — skipping');
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process.exit(0);
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}
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let code = fs.readFileSync(TARGET, 'utf8');
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// Check if proxy support is already patched
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const proxyAlreadyPatched = code.includes('getProxyAgent');
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// Check if the JSON.stringify circular-ref fix is already applied
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const jsonFixAlreadyPatched = !code.includes('config: (_d = err.response)');
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// ── 1. Proxy interceptor ─────────────────────────────────────────────────────
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if (!proxyAlreadyPatched) {
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const PATCH_CODE = `
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// ── Proxy support (auto-patched by scripts/patch-clob-client.cjs) ──────────
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const https_proxy_agent_1 = require("https-proxy-agent");
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let _cachedProxyAgent = null;
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const getProxyAgent = () => {
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if (!process.env.PROXY_URL) return undefined;
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if (!_cachedProxyAgent) {
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_cachedProxyAgent = new https_proxy_agent_1.HttpsProxyAgent(process.env.PROXY_URL);
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}
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return _cachedProxyAgent;
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};
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// Intercept all axios requests — inject proxy agent for polymarket.com
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axios_1.default.interceptors.request.use(function(cfg) {
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if (cfg.url && cfg.url.includes('polymarket.com')) {
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var agent = getProxyAgent();
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if (agent) {
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cfg.httpsAgent = agent;
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cfg.httpAgent = agent;
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cfg.proxy = false;
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}
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}
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return cfg;
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});
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// ── End proxy patch ────────────────────────────────────────────────────────
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`;
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const axiosPatterns = [
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/tslib_1\.__importDefault\s*\(\s*require\s*\(\s*["']axios["']\s*\)\s*\)\s*;/,
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/require\s*\(\s*["']axios["']\s*\)\s*;/,
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];
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let injected = false;
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for (const pattern of axiosPatterns) {
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const match = code.match(pattern);
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if (match) {
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code = code.replace(match[0], match[0] + PATCH_CODE);
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console.log('[patch] Injected proxy interceptor after axios import');
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injected = true;
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break;
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}
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}
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if (!injected) {
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console.error('[patch] Could not find axios import — skipping proxy patch');
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}
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} else {
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console.log('[patch] Proxy support already present — skipping');
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}
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// ── 2. Fix errorHandling circular JSON ───────────────────────────────────────
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// JSON.stringify(err.response.config) includes httpsAgent (from proxy) which
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// has circular/deep refs and causes "Maximum call stack size exceeded".
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// Replace with a simple log that only serializes the response data.
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if (!jsonFixAlreadyPatched) {
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const OLD_LOG = `console.error("[CLOB Client] request error", JSON.stringify({
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status: (_a = err.response) === null || _a === void 0 ? void 0 : _a.status,
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statusText: (_b = err.response) === null || _b === void 0 ? void 0 : _b.statusText,
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data: (_c = err.response) === null || _c === void 0 ? void 0 : _c.data,
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config: (_d = err.response) === null || _d === void 0 ? void 0 : _d.config,
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}));`;
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const NEW_LOG = `// config excluded — contains httpsAgent circular refs (stack overflow)
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console.error("[CLOB Client] request error:", (_a = err.response) === null || _a === void 0 ? void 0 : _a.status, JSON.stringify((_b = err.response) === null || _b === void 0 ? void 0 : _b.data));`;
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if (code.includes(OLD_LOG)) {
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code = code.replace(OLD_LOG, NEW_LOG);
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console.log('[patch] Fixed errorHandling circular JSON.stringify');
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} else {
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console.warn('[patch] Could not find errorHandling JSON.stringify — skipping (already fixed or SDK changed)');
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}
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} else {
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console.log('[patch] errorHandling JSON fix already applied — skipping');
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}
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fs.writeFileSync(TARGET, code, 'utf8');
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console.log('[patch] @polymarket/clob-client patched ✅');
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