41 lines
1.7 KiB
TypeScript
41 lines
1.7 KiB
TypeScript
import { wagmiConnectors } from "./wagmiConnectors";
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import { Chain, createClient, fallback, http } from "viem";
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import { hardhat, mainnet } from "viem/chains";
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import { createConfig } from "wagmi";
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import scaffoldConfig, { DEFAULT_ALCHEMY_API_KEY, ScaffoldConfig } from "~~/scaffold.config";
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import { getAlchemyHttpUrl } from "~~/utils/scaffold-eth";
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const { targetNetworks } = scaffoldConfig;
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// We always want to have mainnet enabled (ENS resolution, ETH price, etc). But only once.
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export const enabledChains = targetNetworks.find((network: Chain) => network.id === 1)
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? targetNetworks
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: ([...targetNetworks, mainnet] as const);
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export const wagmiConfig = createConfig({
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chains: enabledChains,
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connectors: wagmiConnectors(),
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ssr: true,
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client: ({ chain }) => {
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const mainnetFallbackWithDefaultRPC = [http("https://mainnet.rpc.buidlguidl.com")];
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let rpcFallbacks = [...(chain.id === mainnet.id ? mainnetFallbackWithDefaultRPC : []), http()];
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const rpcOverrideUrl = (scaffoldConfig.rpcOverrides as ScaffoldConfig["rpcOverrides"])?.[chain.id];
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if (rpcOverrideUrl) {
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rpcFallbacks = [http(rpcOverrideUrl), ...rpcFallbacks];
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} else {
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const alchemyHttpUrl = getAlchemyHttpUrl(chain.id);
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if (alchemyHttpUrl) {
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const isUsingDefaultKey = scaffoldConfig.alchemyApiKey === DEFAULT_ALCHEMY_API_KEY;
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rpcFallbacks = isUsingDefaultKey
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? [...rpcFallbacks, http(alchemyHttpUrl)]
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: [http(alchemyHttpUrl), ...rpcFallbacks];
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}
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}
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return createClient({
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chain,
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transport: fallback(rpcFallbacks),
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...(chain.id !== (hardhat as Chain).id ? { pollingInterval: scaffoldConfig.pollingInterval } : {}),
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});
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},
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});
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