Add token-list enrichment tooling (scripts/)

scripts/enrich-tokens.mjs

@@ -0,0 +1,87 @@
+#!/usr/bin/env node
+// Temporary script: fetch name + homepage URL for every token in tokenList.js
+// Phase 1: CoinGecko /coins/list (1 bulk call) for names — gets 100%
+// Phase 2: ethereum-lists GitHub repo for project URLs — gets ~15%
+
+import { readFileSync, writeFileSync } from "fs";
+
+const src = readFileSync("src/shared/tokenList.js", "utf8");
+
+const tokens = [];
+const re =
+    /\{\s*address:\s*"(0x[a-fA-F0-9]{40})",\s*symbol:\s*"([^"]+)",\s*decimals:\s*(\d+)/g;
+let m;
+while ((m = re.exec(src)) !== null) {
+    tokens.push({ address: m[1], symbol: m[2], decimals: parseInt(m[3]) });
+}
+console.error(`Parsed ${tokens.length} tokens`);
+
+const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
+
+// --- Phase 1: bulk names from CoinGecko ---
+console.error("Fetching CoinGecko coins list...");
+const listResp = await fetch(
+    "https://api.coingecko.com/api/v3/coins/list?include_platform=true",
+);
+if (!listResp.ok) throw new Error(`CoinGecko list HTTP ${listResp.status}`);
+const coins = await listResp.json();
+
+const addrMap = new Map();
+for (const coin of coins) {
+    const eth = (coin.platforms?.ethereum || "").toLowerCase().trim();
+    if (eth && eth.startsWith("0x")) {
+        addrMap.set(eth, { name: coin.name, id: coin.id });
+    }
+}
+console.error(`CoinGecko map: ${addrMap.size} Ethereum tokens`);
+
+const enriched = new Map();
+for (const t of tokens) {
+    const info = addrMap.get(t.address.toLowerCase());
+    enriched.set(t.address, { name: info?.name || t.symbol, url: "" });
+}
+console.error(
+    `Matched ${[...enriched.values()].filter((e) => e.name).length}/${tokens.length} names`,
+);
+
+// --- Phase 2: ethereum-lists GitHub for URLs ---
+console.error("Fetching URLs from ethereum-lists GitHub...");
+const CONCURRENT = 10;
+let urlsFound = 0;
+
+for (let i = 0; i < tokens.length; i += CONCURRENT) {
+    const batch = tokens.slice(i, i + CONCURRENT);
+    await Promise.allSettled(
+        batch.map(async (t) => {
+            try {
+                const r = await fetch(
+                    `https://raw.githubusercontent.com/ethereum-lists/tokens/master/tokens/eth/${t.address}.json`,
+                );
+                if (!r.ok) return;
+                const data = await r.json();
+                const website = (data.website || "").trim();
+                if (website && website !== "https://") {
+                    enriched.get(t.address).url = website;
+                    urlsFound++;
+                }
+            } catch {
+                // ignore
+            }
+        }),
+    );
+    if (i % 100 === 0) {
+        console.error(
+            `  GitHub: ${Math.min(i + CONCURRENT, tokens.length)}/${tokens.length}, ${urlsFound} URLs`,
+        );
+    }
+    await sleep(200);
+}
+console.error(`Phase 2 done: ${urlsFound} URLs from ethereum-lists`);
+
+// --- Output ---
+const output = {};
+for (const [addr, e] of enriched) {
+    output[addr] = { name: e.name, url: e.url };
+}
+writeFileSync("scripts/token-enrichment.json", JSON.stringify(output, null, 2));
+console.error(`Done! ${tokens.length} names, ${urlsFound} URLs.`);