From 6f25680c1f376195a69537d60e5225c04b9cb387 Mon Sep 17 00:00:00 2001
From: Florent Tapponnier <160007691+Flotapponnier@users.noreply.github.com>
Date: Fri, 4 Sep 2026 00:36:49 +0200
Subject: [PATCH] feat(speedtest): chain picker prefills the benchmarked no-key
 cohort

---
 .../speedtest/speedtest-rpc-client.tsx        | 114 +++++++++++++++--
 src/lib/speedtest/rpc-directory.ts            | 116 ++++++++++++++++++
 2 files changed, 218 insertions(+), 12 deletions(-)
 create mode 100644 src/lib/speedtest/rpc-directory.ts

diff --git a/src/components/speedtest/speedtest-rpc-client.tsx b/src/components/speedtest/speedtest-rpc-client.tsx
index 0b16f132..26c4db54 100644
--- a/src/components/speedtest/speedtest-rpc-client.tsx
+++ b/src/components/speedtest/speedtest-rpc-client.tsx
@@ -14,6 +14,12 @@
  */
 
 import { useCallback, useEffect, useMemo, useRef, useState } from "react";
+import {
+  FEATURED_CHAINS,
+  RPC_DIRECTORY,
+  providerForUrl,
+  type DirectoryChain,
+} from "@/lib/speedtest/rpc-directory";
 
 // ─── Types ───────────────────────────────────────────────────────────
 
@@ -264,9 +270,17 @@ function hostOf(url: string): string {
   }
 }
 
+/** Display name: benchmarked provider name when the URL is from our
+ *  directory, bare host otherwise. */
+function epLabel(ep: { url: string; host: string }): string {
+  return providerForUrl(ep.url) ?? ep.host;
+}
+
 export function SpeedtestRpcClient() {
   const [stage, setStage] = useState<Stage>("setup");
   const [inputs, setInputs] = useState<string[]>(["", ""]);
+  const [chainQuery, setChainQuery] = useState("");
+  const [pickedChain, setPickedChain] = useState<string | null>(null);
   const [durationSec, setDurationSec] = useState(30);
   const [endpoints, setEndpoints] = useState<Endpoint[]>([]);
   const [activeId, setActiveId] = useState<string | null>(null);
@@ -280,6 +294,20 @@ export function SpeedtestRpcClient() {
   const removeInput = (i: number) =>
     setInputs((xs) => (xs.length <= 1 ? xs : xs.filter((_, j) => j !== i)));
 
+  const chainMatches = useMemo(() => {
+    const q = chainQuery.trim().toLowerCase();
+    if (!q) return [];
+    return RPC_DIRECTORY.filter(
+      (c) => c.name.toLowerCase().includes(q) || c.slug.includes(q),
+    ).slice(0, 8);
+  }, [chainQuery]);
+
+  const pickChain = (c: DirectoryChain) => {
+    setInputs(c.endpoints.map((e) => e.url));
+    setPickedChain(c.slug);
+    setChainQuery("");
+  };
+
   const validCount = inputs.filter((u) => {
     try {
       const p = new URL(u.trim());
@@ -458,9 +486,73 @@ export function SpeedtestRpcClient() {
       {/* ── Stage: setup ─────────────────────────────────────────── */}
       {stage === "setup" && (
         <section className="st-stage card-soft rounded-xl p-5 sm:p-8">
-          <p className="label-mono text-[10px] uppercase tracking-[0.2em] text-ink-faint mb-4">
+          <p className="label-mono text-[10px] uppercase tracking-[0.2em] text-ink-faint mb-3">
             1 · Endpoints
           </p>
+
+          {/* Prefill from the benchmarked no-key cohort: pick a chain and
+              get exactly the endpoints the public per-chain benches probe
+              continuously (90 EVM chains, 291 endpoints). */}
+          <div className="mb-5 rounded-lg border border-rule px-4 py-3">
+            <p className="text-[12px] text-ink-soft mb-2">
+              Prefill with the endpoints we already benchmark — pick a chain:
+            </p>
+            <div className="flex flex-wrap gap-1.5 mb-2">
+              {FEATURED_CHAINS.map((slug) => {
+                const c = RPC_DIRECTORY.find((x) => x.slug === slug);
+                if (!c) return null;
+                const activeChip = pickedChain === slug;
+                return (
+                  <button
+                    key={slug}
+                    type="button"
+                    onClick={() => pickChain(c)}
+                    className={`label-mono text-[11px] rounded-full px-3 py-1 border transition-colors ${
+                      activeChip
+                        ? "border-ink text-paper"
+                        : "border-rule text-ink-soft hover:border-ink/40 hover:text-ink"
+                    }`}
+                    style={activeChip ? { background: "var(--color-ink)", color: "var(--color-paper, #fff)" } : undefined}
+                  >
+                    {c.name}
+                  </button>
+                );
+              })}
+            </div>
+            <div className="relative">
+              <input
+                value={chainQuery}
+                onChange={(e) => setChainQuery(e.target.value)}
+                placeholder={`Search ${RPC_DIRECTORY.length} benchmarked chains… (e.g. Sonic, Linea, Scroll)`}
+                spellCheck={false}
+                autoComplete="off"
+                className="w-full rounded-md border border-rule bg-transparent px-3 py-2 text-[13px] text-ink placeholder:text-ink-faint/60 focus:border-ink/50 focus:outline-none"
+              />
+              {chainMatches.length > 0 && (
+                <ul className="absolute z-20 mt-1 w-full rounded-md border border-rule bg-paper shadow-lg overflow-hidden" style={{ background: "var(--color-paper, #fff)" }}>
+                  {chainMatches.map((c) => (
+                    <li key={c.slug}>
+                      <button
+                        type="button"
+                        onClick={() => pickChain(c)}
+                        className="w-full flex items-center justify-between px-3 py-2 text-left text-[13px] text-ink hover:bg-ink/5 transition-colors"
+                      >
+                        <span>{c.name}</span>
+                        <span className="label-mono text-[10px] text-ink-faint">
+                          {c.endpoints.length} endpoint{c.endpoints.length > 1 ? "s" : ""}
+                        </span>
+                      </button>
+                    </li>
+                  ))}
+                </ul>
+              )}
+            </div>
+            {pickedChain && (
+              <p className="mt-2 label-mono text-[10px]" style={{ color: "var(--color-good)" }}>
+                ✓ {RPC_DIRECTORY.find((c) => c.slug === pickedChain)?.name} — {inputs.length} benchmarked endpoints loaded. Add your own keyed URLs below to race them.
+              </p>
+            )}
+          </div>
           <div className="space-y-2">
             {inputs.map((u, i) => (
               <div key={i} className="flex gap-2">
@@ -491,13 +583,6 @@ export function SpeedtestRpcClient() {
             >
               + Add endpoint
             </button>
-            <button
-              type="button"
-              onClick={() => setInputs(EXAMPLE_URLS.slice())}
-              className="label-mono text-[11px] text-ink-faint hover:text-ink transition-colors"
-            >
-              Try with public Ethereum RPCs
-            </button>
           </div>
 
           <p className="label-mono text-[10px] uppercase tracking-[0.2em] text-ink-faint mt-8 mb-3">
@@ -589,13 +674,13 @@ export function SpeedtestRpcClient() {
                       <>
                         <Gauge
                           ms={ep.lastMs}
-                          label={ep.host}
+                          label={epLabel(ep)}
                           sub={
                             ep.status === "checking"
                               ? "checking reachability"
                               : isActive
                                 ? "probing…"
-                                : "eth_getBlockByNumber"
+                                : ep.host
                           }
                           className="mx-auto w-full max-w-[240px]"
                         />
@@ -639,7 +724,7 @@ export function SpeedtestRpcClient() {
               <p className="label-mono text-[10px] uppercase tracking-[0.22em] text-ink-muted mb-2">
                 Fastest from your connection
               </p>
-              <p className="display text-3xl sm:text-4xl text-ink break-all">{ranked[0].ep.host}</p>
+              <p className="display text-3xl sm:text-4xl text-ink break-all">{epLabel(ranked[0].ep)}</p>
               <p className="mt-2 display text-5xl sm:text-6xl tabular-nums" style={{ color: msColor(ranked[0].s.p50) }}>
                 {Math.round(ranked[0].s.p50)}<span className="text-xl text-ink-faint ml-1">ms p50</span>
               </p>
@@ -655,7 +740,12 @@ export function SpeedtestRpcClient() {
               >
                 <div className="flex items-center gap-3">
                   <span className="label-mono text-[11px] text-ink-faint w-6">{String(i + 1).padStart(2, "0")}</span>
-                  <p className="font-mono text-[13px] text-ink truncate flex-1">{ep.host}</p>
+                  <p className="font-mono text-[13px] text-ink truncate flex-1">
+                    {epLabel(ep)}
+                    {providerForUrl(ep.url) && (
+                      <span className="text-ink-faint ml-2 text-[11px]">{ep.host}</span>
+                    )}
+                  </p>
                   <span className="display text-xl tabular-nums" style={{ color: Number.isNaN(s.p50) ? "var(--color-ink-faint)" : msColor(s.p50) }}>
                     {Number.isNaN(s.p50) ? "no data" : `${Math.round(s.p50)} ms`}
                   </span>
diff --git a/src/lib/speedtest/rpc-directory.ts b/src/lib/speedtest/rpc-directory.ts
new file mode 100644
index 00000000..41591120
--- /dev/null
+++ b/src/lib/speedtest/rpc-directory.ts
@@ -0,0 +1,116 @@
+/**
+ * Public no-key RPC directory for the browser speed test, derived from
+ * the rpc-capabilities harness config (harnesses/rpc-capabilities/cmd/
+ * script/config.go) — i.e. exactly the endpoints the public per-chain
+ * benches probe continuously. EVM chains only: the browser engine
+ * speaks eth_* (solana/cosmos/polkadot kinds need different payloads).
+ *
+ * GENERATED — regenerate by re-running the extraction against the
+ * harness config when chains/endpoints change (see PR #2241).
+ */
+
+export type DirectoryEndpoint = { provider: string; url: string };
+export type DirectoryChain = { slug: string; name: string; endpoints: DirectoryEndpoint[] };
+
+export const FEATURED_CHAINS = ["ethereum", "base", "arbitrum", "bnb", "polygon", "optimism", "avalanche", "monad"];
+
+export const RPC_DIRECTORY: DirectoryChain[] = [
+  { slug: "ethereum", name: "Ethereum", endpoints: [{ provider: "PublicNode", url: "https://ethereum-rpc.publicnode.com" }, { provider: "dRPC", url: "https://eth.drpc.org" }, { provider: "MeowRPC", url: "https://eth.meowrpc.com" }, { provider: "Flashbots Protect", url: "https://rpc.flashbots.net" }, { provider: "Tenderly Gateway", url: "https://gateway.tenderly.co/public/mainnet" }, { provider: "Nodies (POKT)", url: "https://eth-pokt.nodies.app" }, { provider: "Lava Network", url: "https://eth1.lava.build" }, { provider: "bloXroute", url: "https://eth.rpc.blxrbdn.com" }] },
+  { slug: "base", name: "Base", endpoints: [{ provider: "PublicNode", url: "https://base-rpc.publicnode.com" }, { provider: "dRPC", url: "https://base.drpc.org" }, { provider: "Tenderly Gateway", url: "https://gateway.tenderly.co/public/base" }, { provider: "Nodies (POKT)", url: "https://base-pokt.nodies.app" }, { provider: "Base Official", url: "https://mainnet.base.org" }, { provider: "Blast API", url: "https://base-mainnet.public.blastapi.io" }, { provider: "bloXroute", url: "https://base.rpc.blxrbdn.com" }] },
+  { slug: "arbitrum", name: "Arbitrum One", endpoints: [{ provider: "PublicNode", url: "https://arbitrum-one-rpc.publicnode.com" }, { provider: "dRPC", url: "https://arbitrum.drpc.org" }, { provider: "MeowRPC", url: "https://arbitrum.meowrpc.com" }, { provider: "Tenderly Gateway", url: "https://gateway.tenderly.co/public/arbitrum" }, { provider: "Nodies (POKT)", url: "https://arb-pokt.nodies.app" }, { provider: "Lava Network", url: "https://arb1.lava.build" }, { provider: "Arbitrum Official", url: "https://arb1.arbitrum.io/rpc" }, { provider: "Blast API", url: "https://arbitrum-one.public.blastapi.io" }] },
+  { slug: "bnb", name: "BNB Chain", endpoints: [{ provider: "PublicNode", url: "https://bsc-rpc.publicnode.com" }, { provider: "dRPC", url: "https://bsc.drpc.org" }, { provider: "Nodies (POKT)", url: "https://bsc-pokt.nodies.app" }, { provider: "Binance Official", url: "https://bsc-dataseed1.binance.org" }, { provider: "Blast API", url: "https://bsc-mainnet.public.blastapi.io" }, { provider: "bloXroute", url: "https://bsc.rpc.blxrbdn.com" }] },
+  { slug: "polygon", name: "Polygon", endpoints: [{ provider: "PublicNode", url: "https://polygon-bor-rpc.publicnode.com" }, { provider: "dRPC", url: "https://polygon.drpc.org" }, { provider: "Tenderly Gateway", url: "https://gateway.tenderly.co/public/polygon" }, { provider: "Nodies (POKT)", url: "https://polygon-pokt.nodies.app" }] },
+  { slug: "optimism", name: "Optimism", endpoints: [{ provider: "PublicNode", url: "https://optimism-rpc.publicnode.com" }, { provider: "dRPC", url: "https://optimism.drpc.org" }, { provider: "Tenderly Gateway", url: "https://gateway.tenderly.co/public/optimism" }, { provider: "Nodies (POKT)", url: "https://op-pokt.nodies.app" }, { provider: "Optimism Official", url: "https://mainnet.optimism.io" }] },
+  { slug: "avalanche", name: "Avalanche C-Chain", endpoints: [{ provider: "PublicNode", url: "https://avalanche-c-chain-rpc.publicnode.com" }, { provider: "dRPC", url: "https://avalanche.drpc.org" }, { provider: "Tenderly Gateway", url: "https://gateway.tenderly.co/public/avalanche" }, { provider: "Avalanche Official", url: "https://api.avax.network/ext/bc/C/rpc" }] },
+  { slug: "monad", name: "Monad", endpoints: [{ provider: "Monad Official", url: "https://rpc.monad.xyz" }, { provider: "dRPC", url: "https://monad-mainnet.drpc.org" }, { provider: "Tenderly Gateway", url: "https://monad.gateway.tenderly.co" }, { provider: "bloXroute", url: "https://monad.rpc.blxrbdn.com" }, { provider: "OnFinality", url: "https://monad-mainnet.api.onfinality.io/public" }] },
+  { slug: "abstract", name: "Abstract", endpoints: [{ provider: "Abstract Foundation", url: "https://api.mainnet.abs.xyz" }, { provider: "dRPC", url: "https://abstract.drpc.org" }, { provider: "Thirdweb", url: "https://abstract.rpc.thirdweb.com" }] },
+  { slug: "apechain", name: "ApeChain", endpoints: [{ provider: "ApeChain", url: "https://rpc.apechain.com/http" }, { provider: "dRPC", url: "https://apechain.drpc.org" }, { provider: "Thirdweb", url: "https://apechain.rpc.thirdweb.com" }, { provider: "Tenderly", url: "https://gateway.tenderly.co/public/apechain" }] },
+  { slug: "arbitrum-nova", name: "Arbitrum Nova", endpoints: [{ provider: "PublicNode", url: "https://arbitrum-nova-rpc.publicnode.com" }, { provider: "dRPC", url: "https://arbitrum-nova.drpc.org" }, { provider: "Thirdweb", url: "https://42170.rpc.thirdweb.com" }] },
+  { slug: "astar", name: "Astar", endpoints: [{ provider: "OnFinality", url: "https://astar.api.onfinality.io/public" }, { provider: "1RPC", url: "https://1rpc.io/astr" }] },
+  { slug: "aurora", name: "Aurora", endpoints: [{ provider: "Aurora Labs", url: "https://mainnet.aurora.dev" }] },
+  { slug: "berachain", name: "Berachain", endpoints: [{ provider: "PublicNode", url: "https://berachain-rpc.publicnode.com" }, { provider: "dRPC", url: "https://berachain.drpc.org" }, { provider: "Tenderly Gateway", url: "https://gateway.tenderly.co/public/berachain" }, { provider: "Berachain Official", url: "https://rpc.berachain.com" }] },
+  { slug: "bitlayer", name: "Bitlayer", endpoints: [{ provider: "Bitlayer Official", url: "https://rpc.bitlayer.org" }, { provider: "dRPC", url: "https://bitlayer.drpc.org" }, { provider: "Ankr", url: "https://rpc.ankr.com/bitlayer" }] },
+  { slug: "blast", name: "Blast", endpoints: [{ provider: "PublicNode", url: "https://blast-rpc.publicnode.com" }, { provider: "dRPC", url: "https://blast.drpc.org" }, { provider: "Tenderly Gateway", url: "https://gateway.tenderly.co/public/blast" }, { provider: "Blast Official", url: "https://rpc.blast.io" }] },
+  { slug: "bob", name: "BOB", endpoints: [{ provider: "BOB", url: "https://rpc.gobob.xyz" }, { provider: "Tenderly", url: "https://bob.gateway.tenderly.co" }, { provider: "dRPC", url: "https://bob.drpc.org" }, { provider: "Thirdweb", url: "https://60808.rpc.thirdweb.com" }] },
+  { slug: "boba", name: "Boba Network", endpoints: [{ provider: "Boba Foundation", url: "https://mainnet.boba.network" }, { provider: "dRPC", url: "https://boba-eth.drpc.org" }] },
+  { slug: "b2", name: "B\u00b2 Network", endpoints: [{ provider: "B\u00b2 Network Official", url: "https://rpc.bsquared.network" }, { provider: "dRPC", url: "https://b2-mainnet.drpc.org" }, { provider: "Thirdweb", url: "https://223.rpc.thirdweb.com" }] },
+  { slug: "canto", name: "Canto", endpoints: [{ provider: "Canto Official", url: "https://canto.gravitychain.io/" }] },
+  { slug: "celo", name: "Celo", endpoints: [{ provider: "PublicNode", url: "https://celo-rpc.publicnode.com" }, { provider: "dRPC", url: "https://celo.drpc.org" }, { provider: "Tenderly Gateway", url: "https://gateway.tenderly.co/public/celo" }, { provider: "Celo Official (Forno)", url: "https://forno.celo.org" }] },
+  { slug: "chiliz", name: "Chiliz", endpoints: [{ provider: "PublicNode", url: "https://chiliz-rpc.publicnode.com" }, { provider: "Ankr", url: "https://rpc.ankr.com/chiliz" }, { provider: "Chiliz Foundation", url: "https://rpc.chiliz.com" }] },
+  { slug: "conflux", name: "Conflux", endpoints: [{ provider: "Conflux Official", url: "https://evm.confluxrpc.com" }, { provider: "Conflux Global", url: "https://evm.confluxrpc.org" }, { provider: "Unifra", url: "https://conflux-espace.nodereal.io/v1/pub" }] },
+  { slug: "core", name: "Core Chain", endpoints: [{ provider: "Core DAO", url: "https://rpc.coredao.org" }, { provider: "dRPC", url: "https://core.drpc.org" }, { provider: "Thirdweb", url: "https://1116.rpc.thirdweb.com" }, { provider: "Ankr", url: "https://rpc.ankr.com/core" }] },
+  { slug: "cronos", name: "Cronos", endpoints: [{ provider: "PublicNode", url: "https://cronos-evm-rpc.publicnode.com" }, { provider: "dRPC", url: "https://cronos.drpc.org" }, { provider: "Cronos Official", url: "https://evm.cronos.org" }] },
+  { slug: "cronos-zkevm", name: "Cronos zkEVM", endpoints: [{ provider: "Crypto.com Foundation", url: "https://mainnet.zkevm.cronos.org" }, { provider: "dRPC", url: "https://cronos-zkevm.drpc.org" }] },
+  { slug: "cyber", name: "Cyber", endpoints: [{ provider: "Cyber Network", url: "https://rpc.cyber.co" }, { provider: "AltLayer", url: "https://cyber.alt.technology" }, { provider: "Thirdweb", url: "https://7560.rpc.thirdweb.com" }] },
+  { slug: "ethereum-classic", name: "Ethereum Classic", endpoints: [{ provider: "dRPC", url: "https://etc.drpc.org" }, { provider: "ETC Desktop", url: "https://rpc.etcdesktop.com" }, { provider: "ETCMC", url: "https://etcmc.rpc.nz" }] },
+  { slug: "etherlink", name: "Etherlink", endpoints: [{ provider: "Etherlink Foundation", url: "https://node.mainnet.etherlink.com" }, { provider: "dRPC", url: "https://etherlink.drpc.org" }] },
+  { slug: "fantom", name: "Fantom", endpoints: [{ provider: "Fantom Foundation", url: "https://rpcapi.fantom.network" }, { provider: "dRPC", url: "https://fantom.drpc.org" }, { provider: "Thirdweb", url: "https://250.rpc.thirdweb.com" }] },
+  { slug: "filecoin", name: "Filecoin EVM", endpoints: [{ provider: "Glif", url: "https://api.node.glif.io/rpc/v1" }, { provider: "dRPC", url: "https://filecoin.drpc.org" }, { provider: "Ankr", url: "https://rpc.ankr.com/filecoin" }] },
+  { slug: "flare", name: "Flare", endpoints: [{ provider: "Flare Foundation", url: "https://flare-api.flare.network/ext/bc/C/rpc" }, { provider: "dRPC", url: "https://flare.drpc.org" }, { provider: "Thirdweb", url: "https://14.rpc.thirdweb.com" }, { provider: "Ankr", url: "https://rpc.ankr.com/flare" }] },
+  { slug: "fraxtal", name: "Fraxtal", endpoints: [{ provider: "PublicNode", url: "https://fraxtal-rpc.publicnode.com" }, { provider: "dRPC", url: "https://fraxtal.drpc.org" }, { provider: "Tenderly Gateway", url: "https://gateway.tenderly.co/public/fraxtal" }, { provider: "Fraxtal Official", url: "https://rpc.frax.com" }] },
+  { slug: "fuse", name: "Fuse Network", endpoints: [{ provider: "Fuse Foundation", url: "https://rpc.fuse.io" }, { provider: "dRPC", url: "https://fuse.drpc.org" }, { provider: "Thirdweb", url: "https://122.rpc.thirdweb.com" }] },
+  { slug: "gnosis", name: "Gnosis", endpoints: [{ provider: "PublicNode", url: "https://gnosis-rpc.publicnode.com" }, { provider: "dRPC", url: "https://gnosis.drpc.org" }, { provider: "Tenderly Gateway", url: "https://gateway.tenderly.co/public/gnosis" }, { provider: "Gnosis Official", url: "https://rpc.gnosischain.com" }] },
+  { slug: "gravity", name: "Gravity", endpoints: [{ provider: "PublicNode", url: "https://rpc.gravity.xyz" }, { provider: "Ankr", url: "https://rpc.ankr.com/gravity" }] },
+  { slug: "haqq", name: "HAQQ", endpoints: [{ provider: "PublicNode", url: "https://haqq-evm-rpc.publicnode.com" }, { provider: "dRPC", url: "https://haqq.drpc.org" }, { provider: "HAQQ Foundation", url: "https://rpc.eth.haqq.network" }] },
+  { slug: "harmony", name: "Harmony", endpoints: [{ provider: "Harmony S0", url: "https://a.api.s0.t.hmny.io" }] },
+  { slug: "hemi", name: "Hemi", endpoints: [{ provider: "Hemi Labs", url: "https://rpc.hemi.network/rpc" }, { provider: "dRPC", url: "https://hemi.drpc.org" }, { provider: "Thirdweb", url: "https://43111.rpc.thirdweb.com" }] },
+  { slug: "hyperliquid", name: "Hyperliquid", endpoints: [{ provider: "Hyperliquid Labs", url: "https://rpc.hyperliquid.xyz/evm" }, { provider: "dRPC", url: "https://hyperliquid.drpc.org" }, { provider: "Stakely", url: "https://hyperliquid-json-rpc.stakely.io" }, { provider: "Purroof Group", url: "https://rpc.purroofgroup.com" }, { provider: "Hypurrscan", url: "https://rpc.hypurrscan.io" }] },
+  { slug: "immutable", name: "Immutable zkEVM", endpoints: [{ provider: "Immutable", url: "https://rpc.immutable.com" }, { provider: "dRPC", url: "https://immutable-zkevm.drpc.org" }, { provider: "Tenderly Gateway", url: "https://immutable.gateway.tenderly.co" }, { provider: "Thirdweb", url: "https://immutable-zkevm.rpc.thirdweb.com" }] },
+  { slug: "ink", name: "Ink", endpoints: [{ provider: "Gelato", url: "https://rpc-gel.inkonchain.com" }, { provider: "QuickNode", url: "https://rpc-qnd.inkonchain.com" }, { provider: "dRPC", url: "https://ink.drpc.org" }, { provider: "Tenderly Gateway", url: "https://ink.gateway.tenderly.co" }] },
+  { slug: "iotex", name: "IoTeX", endpoints: [{ provider: "IoTeX Mirror", url: "https://babel-api.mainnet.iotex.one" }, { provider: "Ankr", url: "https://rpc.ankr.com/iotex" }, { provider: "Thirdweb", url: "https://4689.rpc.thirdweb.com" }] },
+  { slug: "kaia", name: "Kaia", endpoints: [{ provider: "Kaia Foundation", url: "https://public-en.node.kaia.io" }] },
+  { slug: "kava", name: "Kava", endpoints: [{ provider: "Kava Labs", url: "https://evm.kava.io" }, { provider: "dRPC", url: "https://kava.drpc.org" }, { provider: "Thirdweb", url: "https://kava.rpc.thirdweb.com" }, { provider: "PublicNode", url: "https://kava-evm-rpc.publicnode.com" }, { provider: "Ankr", url: "https://rpc.ankr.com/kava_evm" }] },
+  { slug: "linea", name: "Linea", endpoints: [{ provider: "PublicNode", url: "https://linea-rpc.publicnode.com" }, { provider: "dRPC", url: "https://linea.drpc.org" }, { provider: "Tenderly Gateway", url: "https://gateway.tenderly.co/public/linea" }] },
+  { slug: "lisk", name: "Lisk", endpoints: [{ provider: "Lisk", url: "https://rpc.api.lisk.com" }, { provider: "dRPC", url: "https://lisk.drpc.org" }, { provider: "Thirdweb", url: "https://lisk.rpc.thirdweb.com" }, { provider: "Tenderly", url: "https://gateway.tenderly.co/public/lisk" }] },
+  { slug: "manta", name: "Manta Pacific", endpoints: [{ provider: "Manta Network", url: "https://pacific-rpc.manta.network/http" }, { provider: "dRPC", url: "https://manta-pacific.drpc.org" }, { provider: "Thirdweb", url: "https://169.rpc.thirdweb.com" }, { provider: "1RPC", url: "https://1rpc.io/manta" }] },
+  { slug: "mantle", name: "Mantle", endpoints: [{ provider: "PublicNode", url: "https://mantle-rpc.publicnode.com" }, { provider: "dRPC", url: "https://mantle.drpc.org" }, { provider: "Tenderly Gateway", url: "https://gateway.tenderly.co/public/mantle" }] },
+  { slug: "megaeth", name: "MegaETH", endpoints: [{ provider: "MegaETH Official", url: "https://mainnet.megaeth.com/rpc" }, { provider: "dRPC", url: "https://megaeth.drpc.org" }, { provider: "Tenderly Gateway", url: "https://megaeth.gateway.tenderly.co" }] },
+  { slug: "merlin", name: "Merlin Chain", endpoints: [{ provider: "Merlin Official", url: "https://rpc.merlinchain.io" }, { provider: "dRPC", url: "https://merlin.drpc.org" }, { provider: "BlockPI", url: "https://merlin.blockpi.network/v1/rpc/public" }] },
+  { slug: "metis", name: "Metis", endpoints: [{ provider: "Metis", url: "https://andromeda.metis.io/?owner=1088" }, { provider: "dRPC", url: "https://metis.drpc.org" }, { provider: "PublicNode", url: "https://metis-rpc.publicnode.com" }, { provider: "Thirdweb", url: "https://1088.rpc.thirdweb.com" }] },
+  { slug: "mode", name: "Mode", endpoints: [{ provider: "Mode Labs", url: "https://mainnet.mode.network" }, { provider: "dRPC", url: "https://mode.drpc.org" }, { provider: "1RPC", url: "https://1rpc.io/mode" }, { provider: "Thirdweb", url: "https://mode.rpc.thirdweb.com" }] },
+  { slug: "moonbeam", name: "Moonbeam", endpoints: [{ provider: "PublicNode", url: "https://moonbeam-rpc.publicnode.com" }, { provider: "dRPC", url: "https://moonbeam.drpc.org" }, { provider: "Tenderly Gateway", url: "https://gateway.tenderly.co/public/moonbeam" }, { provider: "Moonbeam Official", url: "https://rpc.api.moonbeam.network" }] },
+  { slug: "moonriver", name: "Moonriver", endpoints: [{ provider: "Moonbeam Foundation", url: "https://rpc.api.moonriver.moonbeam.network" }, { provider: "PublicNode", url: "https://moonriver-rpc.publicnode.com" }, { provider: "OnFinality", url: "https://moonriver.api.onfinality.io/public" }] },
+  { slug: "morph", name: "Morph", endpoints: [{ provider: "Morph", url: "https://rpc.morphl2.io" }, { provider: "dRPC", url: "https://morph.drpc.org" }, { provider: "Thirdweb", url: "https://2818.rpc.thirdweb.com" }, { provider: "QuickNode", url: "https://rpc-quicknode.morph.network" }] },
+  { slug: "neon", name: "Neon EVM", endpoints: [{ provider: "P2P Neon Proxy", url: "https://neon-proxy-mainnet.solana.p2p.org" }, { provider: "Thirdweb", url: "https://245022934.rpc.thirdweb.com" }, { provider: "Everstake", url: "https://neon-mainnet.everstake.one" }] },
+  { slug: "oasis-emerald", name: "Oasis Emerald", endpoints: [{ provider: "PublicNode", url: "https://emerald.oasis.io" }] },
+  { slug: "oasis-sapphire", name: "Oasis Sapphire", endpoints: [{ provider: "PublicNode", url: "https://sapphire.oasis.io" }] },
+  { slug: "oktc", name: "OKTC", endpoints: [{ provider: "OKX Chain Official", url: "https://exchainrpc.okex.org" }, { provider: "1RPC", url: "https://1rpc.io/oktc" }, { provider: "dRPC", url: "https://oktc.drpc.org" }] },
+  { slug: "opbnb", name: "opBNB", endpoints: [{ provider: "BNB Chain Team", url: "https://opbnb-mainnet-rpc.bnbchain.org" }, { provider: "PublicNode", url: "https://opbnb-rpc.publicnode.com" }, { provider: "dRPC", url: "https://opbnb.drpc.org" }] },
+  { slug: "plume", name: "Plume", endpoints: [{ provider: "PublicNode", url: "https://plume-rpc.publicnode.com" }, { provider: "dRPC", url: "https://plume.drpc.org" }] },
+  { slug: "polygon-zkevm", name: "Polygon zkEVM", endpoints: [{ provider: "Polygon", url: "https://zkevm-rpc.com" }, { provider: "dRPC", url: "https://polygon-zkevm.drpc.org" }, { provider: "Thirdweb", url: "https://1101.rpc.thirdweb.com" }] },
+  { slug: "pulsechain", name: "PulseChain", endpoints: [{ provider: "PublicNode", url: "https://pulsechain-rpc.publicnode.com" }, { provider: "PulseChain Foundation", url: "https://rpc.pulsechain.com" }, { provider: "G4MM4", url: "https://rpc-pulsechain.g4mm4.io" }] },
+  { slug: "reya", name: "Reya Network", endpoints: [{ provider: "PublicNode", url: "https://rpc.reya.network" }, { provider: "Thirdweb", url: "https://1729.rpc.thirdweb.com" }] },
+  { slug: "ronin", name: "Ronin", endpoints: [{ provider: "Sky Mavis", url: "https://api.roninchain.com/rpc" }, { provider: "Tenderly Gateway", url: "https://ronin.gateway.tenderly.co" }, { provider: "Thirdweb", url: "https://ronin.rpc.thirdweb.com" }] },
+  { slug: "rootstock", name: "Rootstock", endpoints: [{ provider: "Rootstock Foundation", url: "https://public-node.rsk.co" }, { provider: "dRPC", url: "https://rootstock.drpc.org" }, { provider: "Thirdweb", url: "https://30.rpc.thirdweb.com" }] },
+  { slug: "scroll", name: "Scroll", endpoints: [{ provider: "PublicNode", url: "https://scroll-rpc.publicnode.com" }, { provider: "dRPC", url: "https://scroll.drpc.org" }, { provider: "Tenderly Gateway", url: "https://gateway.tenderly.co/public/scroll-mainnet" }] },
+  { slug: "sei", name: "Sei EVM", endpoints: [{ provider: "Sei Labs", url: "https://evm-rpc.sei-apis.com" }, { provider: "Thirdweb", url: "https://sei.rpc.thirdweb.com" }, { provider: "Stakeme", url: "https://sei-evm-rpc.stakeme.pro" }] },
+  { slug: "soneium", name: "Soneium", endpoints: [{ provider: "PublicNode", url: "https://soneium-rpc.publicnode.com" }, { provider: "dRPC", url: "https://soneium.drpc.org" }, { provider: "Tenderly Gateway", url: "https://gateway.tenderly.co/public/soneium" }, { provider: "Soneium Official", url: "https://rpc.soneium.org" }] },
+  { slug: "songbird", name: "Songbird", endpoints: [{ provider: "Flare Foundation", url: "https://songbird-api.flare.network/ext/C/rpc" }] },
+  { slug: "sonic", name: "Sonic", endpoints: [{ provider: "PublicNode", url: "https://sonic-rpc.publicnode.com" }, { provider: "dRPC", url: "https://sonic.drpc.org" }, { provider: "Tenderly Gateway", url: "https://gateway.tenderly.co/public/sonic" }, { provider: "Lava Network", url: "https://sonic.lava.build" }, { provider: "Sonic Labs Official", url: "https://rpc.soniclabs.com" }] },
+  { slug: "story", name: "Story", endpoints: [{ provider: "Story Foundation", url: "https://mainnet.storyrpc.io" }, { provider: "Ankr", url: "https://rpc.ankr.com/story_mainnet" }, { provider: "Stakely", url: "https://story-json-rpc.stakely.io" }, { provider: "PublicNode", url: "https://story-rpc.publicnode.com" }] },
+  { slug: "swellchain", name: "Swellchain", endpoints: [{ provider: "Ankr", url: "https://rpc.ankr.com/swell" }, { provider: "Sentio", url: "https://swell-mainnet.rpc.sentio.xyz" }, { provider: "Thirdweb", url: "https://1923.rpc.thirdweb.com" }, { provider: "dRPC", url: "https://swell.drpc.org" }] },
+  { slug: "taiko", name: "Taiko", endpoints: [{ provider: "PublicNode", url: "https://taiko-rpc.publicnode.com" }, { provider: "dRPC", url: "https://taiko.drpc.org" }, { provider: "Tenderly Gateway", url: "https://gateway.tenderly.co/public/taiko-mainnet" }, { provider: "Taiko Official", url: "https://rpc.taiko.xyz" }] },
+  { slug: "telos", name: "Telos", endpoints: [{ provider: "dRPC", url: "https://telos.drpc.org" }] },
+  { slug: "thundercore", name: "ThunderCore", endpoints: [{ provider: "ThunderCore Official", url: "https://mainnet-rpc.thundercore.com" }, { provider: "ThunderToken", url: "https://mainnet-rpc.thundertoken.net" }, { provider: "dRPC", url: "https://thundercore.drpc.org" }] },
+  { slug: "tron", name: "TRON", endpoints: [{ provider: "TronGrid", url: "https://api.trongrid.io/jsonrpc" }, { provider: "PublicNode", url: "https://tron.publicnode.com/jsonrpc" }] },
+  { slug: "unichain", name: "Unichain", endpoints: [{ provider: "PublicNode", url: "https://unichain-rpc.publicnode.com" }, { provider: "dRPC", url: "https://unichain.drpc.org" }, { provider: "Tenderly Gateway", url: "https://gateway.tenderly.co/public/unichain" }, { provider: "Unichain Official", url: "https://mainnet.unichain.org" }] },
+  { slug: "vana", name: "Vana", endpoints: [{ provider: "PublicNode", url: "https://rpc.vana.org" }] },
+  { slug: "viction", name: "Viction", endpoints: [{ provider: "Viction Official", url: "https://rpc.viction.xyz" }, { provider: "Viction RPC2", url: "https://rpc2.viction.xyz" }, { provider: "dRPC", url: "https://viction.drpc.org" }] },
+  { slug: "warden", name: "Warden Protocol", endpoints: [{ provider: "PublicNode", url: "https://warden-evm-rpc.publicnode.com" }, { provider: "Warden Foundation", url: "https://evm.wardenprotocol.org" }] },
+  { slug: "wemix", name: "WEMIX", endpoints: [{ provider: "WeMade", url: "https://api.wemix.com" }, { provider: "dRPC", url: "https://wemix.drpc.org" }] },
+  { slug: "world-chain", name: "World Chain", endpoints: [{ provider: "World Chain", url: "https://worldchain-mainnet.g.alchemy.com/public" }, { provider: "dRPC", url: "https://worldchain.drpc.org" }, { provider: "Tenderly Gateway", url: "https://worldchain-mainnet.gateway.tenderly.co" }] },
+  { slug: "xlayer", name: "X Layer", endpoints: [{ provider: "X Layer", url: "https://rpc.xlayer.tech" }, { provider: "dRPC", url: "https://xlayer.drpc.org" }, { provider: "Thirdweb", url: "https://196.rpc.thirdweb.com" }] },
+  { slug: "xdc", name: "XDC Network", endpoints: [{ provider: "PublicNode", url: "https://rpc.xdc.org" }, { provider: "Ankr", url: "https://rpc.ankr.com/xdc" }, { provider: "XDC eRPC", url: "https://erpc.xinfin.network" }, { provider: "XDC.org", url: "https://rpc.xdc.org" }] },
+  { slug: "zetachain", name: "ZetaChain", endpoints: [{ provider: "Thirdweb", url: "https://7000.rpc.thirdweb.com" }] },
+  { slug: "zircuit", name: "Zircuit", endpoints: [{ provider: "Zircuit Foundation", url: "https://mainnet.zircuit.com" }] },
+  { slug: "zksync", name: "zkSync Era", endpoints: [{ provider: "dRPC", url: "https://zksync.drpc.org" }, { provider: "Tenderly Gateway", url: "https://gateway.tenderly.co/public/zksync" }, { provider: "zkSync Official", url: "https://mainnet.era.zksync.io" }] },
+  { slug: "zora", name: "Zora", endpoints: [{ provider: "Zora Network", url: "https://rpc.zora.energy" }, { provider: "dRPC", url: "https://zora.drpc.org" }, { provider: "Thirdweb", url: "https://zora.rpc.thirdweb.com" }, { provider: "Conduit", url: "https://rpc-zora-mainnet-0.t.conduit.xyz" }] },
+];
+
+const URL_TO_PROVIDER = new Map<string, string>();
+for (const c of RPC_DIRECTORY) for (const e of c.endpoints) URL_TO_PROVIDER.set(e.url, e.provider);
+
+/** Provider display name when the URL comes from the directory. */
+export function providerForUrl(url: string): string | null {
+  return URL_TO_PROVIDER.get(url.replace(/\/+$/, "")) ?? URL_TO_PROVIDER.get(url) ?? null;
+}