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Move shared cycle state to Neon fallback

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Theodore Song
2026-08-02 14:45:06 -04:00
parent ecbdbf4cbf
commit 6233efc098
2 changed files with 87 additions and 9 deletions
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api/state.js
+47 -9
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@@ -1,7 +1,9 @@
import { get, list, put } from "@vercel/blob";
import { hasDatabase, readSharedAppState, writeSharedAppState } from "./_db.js";
const STATE_PATH = process.env.PMA_STATE_PATH || "shared/state.json";
const STATE_VERSION_PREFIX = process.env.PMA_STATE_VERSION_PREFIX || "shared/state-versions/";
const DATABASE_STATE_KEY = process.env.PMA_DATABASE_STATE_KEY || "polymarket-arena";
const AGENTS_KEY = "pma_agents_v2";
const SUG_KEY = "pma_suggestions_v5";
const PAPER_KEY = "pma_paper_accounts_v1";
@@ -15,6 +17,17 @@ function withBlobAuth(options = {}) {
}
async function readJsonBlob() {
let databaseAvailable = false;
if (hasDatabase()) {
try {
const row = await readSharedAppState(DATABASE_STATE_KEY);
databaseAvailable = true;
if (row && row.payload) return row.payload;
} catch {
databaseAvailable = false;
}
}
let primaryError = null;
try {
const primary = await readBlobJson(STATE_PATH);
@@ -30,10 +43,40 @@ async function readJsonBlob() {
if (!primaryError) primaryError = err;
}
if (primaryError) throw primaryError;
if (primaryError && !databaseAvailable) throw primaryError;
return null;
}
async function persistState(state) {
let databaseSaved = false;
let databaseError = null;
if (hasDatabase()) {
try {
await writeSharedAppState(DATABASE_STATE_KEY, state);
databaseSaved = true;
} catch (err) {
databaseError = err;
}
}
let blobSaved = false;
let blobError = null;
try {
await put(STATE_PATH, JSON.stringify(state), withBlobAuth({
access: "private",
allowOverwrite: true,
contentType: "application/json",
cacheControlMaxAge: 0,
}));
blobSaved = true;
} catch (err) {
blobError = err;
}
if (!databaseSaved && !blobSaved) throw databaseError || blobError || new Error("No state provider is available");
return { databaseSaved, blobSaved };
}
async function readBlobJson(pathname) {
const blob = await get(pathname, withBlobAuth({
access: "private",
@@ -177,7 +220,7 @@ function conflictResponse(res, error, current) {
export default async function handler(req, res) {
res.setHeader("Cache-Control", "no-store");
try {
if (!process.env.BLOB_READ_WRITE_TOKEN && !process.env.VERCEL_OIDC_TOKEN) {
if (!hasDatabase() && !process.env.BLOB_READ_WRITE_TOKEN && !process.env.VERCEL_OIDC_TOKEN) {
return res.status(503).json({ ok: false, error: "Cloud state is not configured" });
}
@@ -223,13 +266,8 @@ export default async function handler(req, res) {
return conflictResponse(res, "Incoming state would replace newer active positions with stale cash-only data", current);
}
const state = { version: 1, updated_at: new Date().toISOString(), items: compactItems(incomingItems) };
await put(STATE_PATH, JSON.stringify(state), withBlobAuth({
access: "private",
allowOverwrite: true,
contentType: "application/json",
cacheControlMaxAge: 0,
}));
if (process.env.PMA_ENABLE_STATE_HISTORY === "true") {
const saved = await persistState(state);
if (saved.blobSaved && process.env.PMA_ENABLE_STATE_HISTORY === "true") {
const versionedPath = `${STATE_VERSION_PREFIX}${Date.now()}-${Math.random().toString(36).slice(2)}.json`;
try {
await put(versionedPath, JSON.stringify(state), withBlobAuth({