40 lines
1.1 KiB
TypeScript
40 lines
1.1 KiB
TypeScript
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import { requestWalletNonce, verifyWalletSignature } from "./api";
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export type EthereumProvider = {
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request: <T = unknown>(args: {
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method: string;
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params?: unknown[];
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}) => Promise<T>;
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};
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export function getInjectedEthereum(): EthereumProvider | null {
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if (typeof window === "undefined") return null;
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const maybeWindow = window as typeof window & { ethereum?: EthereumProvider };
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return maybeWindow.ethereum ?? null;
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}
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export async function signInWithInjectedWallet(): Promise<{
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token: string;
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wallet: string;
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}> {
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const ethereum = getInjectedEthereum();
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if (!ethereum) throw new Error("No injected wallet found");
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const accounts = await ethereum.request<string[]>({
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method: "eth_requestAccounts",
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});
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const address = accounts[0];
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if (!address) throw new Error("No wallet account returned");
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const nonce = await requestWalletNonce(address);
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const signature = await ethereum.request<string>({
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method: "personal_sign",
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params: [nonce.message, address],
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});
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return verifyWalletSignature({
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address,
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message: nonce.message,
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signature,
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});
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}
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