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fix: wagmiConfig override matches SE-2 main client + arbitrum #122

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technophile-04 merged 1 commit into from
May 20, 2026
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fix: wagmiConfig override matches SE-2 main client + arbitrum #122

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28 changes: 25 additions & 3 deletions extension/packages/nextjs/services/web3/wagmiConfig.tsx.args.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -3,19 +3,41 @@ import { arbitrum } from "viem/chains";
`;

export const configOverrides = {
client: `$$({chain})=>{const alchemyHttpUrl=chain.id==(arbitrum.id as number)?"http://127.0.0.1:8545":getAlchemyHttpUrl(chain.id);const rpcFallbacks=alchemyHttpUrl?[http(),http(alchemyHttpUrl)]:[http()];return createClient({chain,transport:fallback(rpcFallbacks)})}$$`,
client: `$$({chain})=>{const mainnetFallbackWithDefaultRPC=[http("https://mainnet.rpc.buidlguidl.com")];let rpcFallbacks=[...(chain.id===mainnet.id?mainnetFallbackWithDefaultRPC:[]),http()];if(chain.id===(arbitrum.id as number)){rpcFallbacks=[http("http://127.0.0.1:8545"),...rpcFallbacks];}const rpcOverrideUrl=(scaffoldConfig.rpcOverrides as ScaffoldConfig["rpcOverrides"])?.[chain.id];if(rpcOverrideUrl){rpcFallbacks=[http(rpcOverrideUrl),...rpcFallbacks];}else{const alchemyHttpUrl=getAlchemyHttpUrl(chain.id);if(alchemyHttpUrl){const isUsingDefaultKey=scaffoldConfig.alchemyApiKey===DEFAULT_ALCHEMY_API_KEY;rpcFallbacks=isUsingDefaultKey?[...rpcFallbacks,http(alchemyHttpUrl)]:[http(alchemyHttpUrl),...rpcFallbacks];}}return createClient({chain,transport:fallback(rpcFallbacks),...(chain.id!==(hardhat as Chain).id?{pollingInterval:scaffoldConfig.pollingInterval}:{})});}$$`,
};

// NOTE: While passing function you need to ensure it's in one line.
// You can use AI to format the code to one line. (check above example for reference)
/* export const configOverrides = {
client: `$$({ chain }) => {
const alchemyHttpUrl = chain.id == arbitrum.id ? "http://127.0.0.1:8545" : getAlchemyHttpUrl(chain.id);
const rpcFallbacks = alchemyHttpUrl ? [http(), http(alchemyHttpUrl)] : [http()];
// Extra fallback for mainnet.
const mainnetFallbackWithDefaultRPC = [http("https://mainnet.rpc.buidlguidl.com")];
let rpcFallbacks = [...(chain.id === mainnet.id ? mainnetFallbackWithDefaultRPC : []), http()];

// Custom RPC for Arbitrum (extension example).
if (chain.id === (arbitrum.id as number)) {
rpcFallbacks = [http("http://127.0.0.1:8545"), ...rpcFallbacks];
}

const rpcOverrideUrl = (scaffoldConfig.rpcOverrides as ScaffoldConfig["rpcOverrides"])?.[chain.id];

if (rpcOverrideUrl) {
rpcFallbacks = [http(rpcOverrideUrl), ...rpcFallbacks];
} else {
const alchemyHttpUrl = getAlchemyHttpUrl(chain.id);
if (alchemyHttpUrl) {
const isUsingDefaultKey = scaffoldConfig.alchemyApiKey === DEFAULT_ALCHEMY_API_KEY;
// If using default Scaffold-ETH 2 API key, we prioritize the default RPC
rpcFallbacks = isUsingDefaultKey
? [...rpcFallbacks, http(alchemyHttpUrl)]
: [http(alchemyHttpUrl), ...rpcFallbacks];
}
}

return createClient({
chain,
transport: fallback(rpcFallbacks),
...(chain.id !== (hardhat as Chain).id ? { pollingInterval: scaffoldConfig.pollingInterval } : {}),
});
}$$`
} */
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