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Fix wallet add/switch-network: use a clean RPC, not the WC proxy

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AppKit's built-in networks advertise rpc.walletconnect.org/v1/?chainId=…&projectId=…
as the chain RPC. Wallets reject that query-string URL as "Invalid URL" when
adding/switching the network — Trust showed "Invalid URL", desktop MetaMask
looped on Switch Network, and the mobile buy failed because the switch to Amoy
never completed. Clone the chain with our clean public RPC before handing it to
AppKit/Wagmi.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
martbost
2026-09-08 10:14:23 -05:00
parent 7d6818a8d4
commit 09804cda22
3 changed files with 11 additions and 3 deletions
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public/assets/wallet.js
+9 -1
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@@ -17,7 +17,15 @@ window.IAPWallet = (function () {
const mod = await import(APPKIT_URL);
const { createAppKit, WagmiAdapter, networks } = mod;
const netMap = { 80002: networks.polygonAmoy, 137: networks.polygon };
const net = netMap[Number(c.chainId)] || networks.polygonAmoy;
const base = netMap[Number(c.chainId)] || networks.polygonAmoy;
// Override the chain's RPC with our clean public endpoint. AppKit's built-in
// networks advertise the WalletConnect RPC proxy
// (rpc.walletconnect.org/v1/?chainId=…&projectId=…) as the chain RPC, and
// wallets reject that query-string URL as "Invalid URL" when adding/switching
// the network — the cause of Trust's "Invalid URL", MetaMask's switch loop,
// and the failed mobile buy (the chain switch never completed).
const rpc = String(c.rpc || '').trim();
const net = rpc ? Object.assign({}, base, { rpcUrls: { default: { http: [rpc] }, public: { http: [rpc] } } }) : base;
const projectId = String(c.walletConnectProjectId || '').trim();
const wagmiAdapter = new WagmiAdapter({ networks: [net], projectId });
modal = createAppKit({