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scaffold is grabbing user key from metamask snaps
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| "use client"; | ||
|
|
||
| import { useState } from "react"; | ||
| import Link from "next/link"; | ||
| import type { NextPage } from "next"; | ||
| import CopyToClipboard from "react-copy-to-clipboard"; | ||
| import { useAccount } from "wagmi"; | ||
| import { DocumentDuplicateIcon, MagnifyingGlassIcon } from "@heroicons/react/24/outline"; | ||
| import { Address } from "~~/components/scaffold-eth"; | ||
| import { shortenKeyHelper } from "~~/utils/scaffold-eth"; | ||
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|
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| const Home: NextPage = () => { | ||
| const { address: connectedAddress } = useAccount(); | ||
| const [connectedToSnap, setConnectedToSnap] = useState<boolean>(false); | ||
| const [userKey, setUserKey] = useState<string | null>(null); | ||
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| async function connectAndCallSnap() { | ||
| const nillionSnapId = "npm:nillion-user-key-manager"; | ||
| if (window.ethereum) { | ||
| try { | ||
| // Request permission to connect to the Snap. | ||
| await window.ethereum.request({ | ||
| // @ts-ignore | ||
| method: "wallet_requestSnaps", | ||
| params: { | ||
| // @ts-ignore | ||
| [nillionSnapId]: {}, | ||
| }, | ||
| }); | ||
|
|
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| // Invoke the 'read_user_key' method of the Snap | ||
| const response: { user_key: string } = await window.ethereum.request({ | ||
| // @ts-ignore | ||
| method: "wallet_invokeSnap", | ||
| params: { | ||
| // @ts-ignore | ||
| snapId: nillionSnapId, | ||
| request: { method: "read_user_key" }, | ||
| }, | ||
| }); | ||
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| if (response && response.user_key) { | ||
| setUserKey(response.user_key); | ||
| setConnectedToSnap(true); | ||
| } | ||
| } catch (error) { | ||
| console.error("Error interacting with Snap:", error); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return ( | ||
| <> | ||
| <div className="flex items-center flex-col flex-grow pt-10"> | ||
| <div className="px-5"> | ||
| <h1 className="text-center"> | ||
| <span className="block text-4xl font-bold">Build with Nillion</span> | ||
| {!connectedToSnap && ( | ||
| <button className="btn btn-sm btn-primary mt-4" onClick={connectAndCallSnap}> | ||
| Connect to Snap | ||
| </button> | ||
| )} | ||
| </h1> | ||
|
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| {connectedToSnap && ( | ||
| <div> | ||
| <div className="flex justify-center items-center space-x-2"> | ||
| <p className="my-2 font-medium">Connected Address:</p> | ||
| <Address address={connectedAddress} /> | ||
| </div> | ||
|
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| <div className="flex justify-center items-center space-x-2"> | ||
| <p className="my-2 font-medium">Connected Nillion User Key:</p> | ||
| {userKey && ( | ||
| <span className="flex"> | ||
| {shortenKeyHelper(userKey)} | ||
| <CopyToClipboard text={userKey}> | ||
| <DocumentDuplicateIcon | ||
| className="ml-1.5 text-xl font-normal text-sky-600 h-5 w-5 cursor-pointer" | ||
| aria-hidden="true" | ||
| /> | ||
| </CopyToClipboard> | ||
| </span> | ||
| )} | ||
| </div> | ||
| </div> | ||
| )} | ||
| </div> | ||
|
|
||
| <div className="flex-grow bg-base-300 w-full mt-16 px-8 py-12"> | ||
| <div className="flex justify-center items-center gap-12 flex-col sm:flex-row"> | ||
| {!connectedToSnap ? ( | ||
| <div className="flex flex-col bg-base-100 px-10 py-10 text-center items-center max-w-m rounded-3xl"> | ||
| <MagnifyingGlassIcon className="h-8 w-8 fill-secondary" /> | ||
| <p> | ||
| To connect with your Nillion user key... | ||
| <ol className="block my-4"> | ||
| <li>- Download the MetaMask Flask browser extension to get access to MetaMask Snap</li> | ||
| <li> | ||
| - Visit{" "} | ||
| <Link | ||
| href="https://github.com/nillion-oss/nillion-snap" | ||
| target="_blank" | ||
| passHref | ||
| className="link" | ||
| > | ||
| Nillion Key Management UI | ||
| </Link>{" "} | ||
| to generate a user key | ||
| </li> | ||
| <li>- Come back and connect to the snap</li> | ||
| </ol> | ||
| </p> | ||
| </div> | ||
| ) : ( | ||
| <div className="flex flex-col bg-base-100 px-10 py-10 text-center items-center max-w-m rounded-3xl"> | ||
| Connected as {userKey} | ||
| </div> | ||
| )} | ||
| </div> | ||
| </div> | ||
| </div> | ||
| </> | ||
| ); | ||
| }; | ||
|
|
||
| export default Home; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| export const shortenKeyHelper = (key: string) => { | ||
| if (key.length <= 10) { | ||
| return key; // return short keys | ||
| } | ||
|
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| const firstFive = key.substring(0, 5); // first 5 | ||
| const lastFive = key.substring(key.length - 5); // last 5 | ||
|
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| return firstFive + "..." + lastFive; // concat | ||
| }; |
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