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feat: support chainId and RPC override via localStorage for testing #141

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feat: support chainId and RPC override via localStorage for testing #141

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8 changes: 7 additions & 1 deletion src/hooks/use-network-config.ts
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Original file line number Diff line number Diff line change
@@ -1,8 +1,14 @@
import { useAccount } from "wagmi";

import { type NetworkConfig, getNetworkConfigByChainId } from "@/lib/config";
import { type NetworkConfig, getNetworkConfigByChainId, NETWORK_CONFIGS } from "@/lib/config";
import { safeLocalStorage } from "@/lib/utils";

export const useNetworkConfig = (): NetworkConfig => {
const { chainId } = useAccount();
const overrideChainId = safeLocalStorage("overrideChainId");
if (overrideChainId) {
const mainnet = NETWORK_CONFIGS.find(c => c.chainId === 1) ?? NETWORK_CONFIGS[0];
return { ...mainnet, chainId: Number(overrideChainId) };
}
return getNetworkConfigByChainId(chainId);
};
6 changes: 5 additions & 1 deletion src/lib/wagmi.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -74,15 +74,19 @@ const viemChainsByChainId: Record<number, Chain> = {
560048: hoodi
};

const overrideChainId = safeLocalStorage("overrideChainId");

// Dynamically generate chains from NETWORK_CONFIGS, using viem's configs as base
const chainsArray = NETWORK_CONFIGS.map(config => {
const rpcUrl = safeLocalStorage(`customRpcUrl_${config.chainId}`) ?? config.rpcUrl;
const chainId = config.chainId === 1 && overrideChainId ? Number(overrideChainId) : config.chainId;
const rpcUrl = safeLocalStorage(`customRpcUrl_${chainId}`) ?? config.rpcUrl;
const baseChain = viemChainsByChainId[config.chainId];

if (baseChain) {
// Use viem's chain config and override only what's needed
return defineChain({
...baseChain,
id: chainId,
iconBackground: "none",
iconUrl: "/figma/ethereum_0-2171.svg",
rpcUrls: {
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