otterscan/src/Home.tsx

87 lines
2.8 KiB
TypeScript

import React, { useState, useContext } from "react";
import { NavLink, useHistory } from "react-router-dom";
import { ethers } from "ethers";
import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
import { faBurn } from "@fortawesome/free-solid-svg-icons";
import Logo from "./Logo";
import Timestamp from "./components/Timestamp";
import { RuntimeContext } from "./useRuntime";
import { useLatestBlock } from "./useLatestBlock";
import { blockURL } from "./url";
const Home: React.FC = () => {
const { provider } = useContext(RuntimeContext);
const [search, setSearch] = useState<string>();
const [canSubmit, setCanSubmit] = useState<boolean>(false);
const history = useHistory();
const handleChange: React.ChangeEventHandler<HTMLInputElement> = (e) => {
setCanSubmit(e.target.value.trim().length > 0);
setSearch(e.target.value.trim());
};
const handleSubmit: React.FormEventHandler<HTMLFormElement> = (e) => {
e.preventDefault();
if (!canSubmit) {
return;
}
history.push(`/search?q=${search}`);
};
const latestBlock = useLatestBlock(provider);
document.title = "Home | Otterscan";
return (
<div className="m-auto">
<Logo />
<form
className="flex flex-col"
onSubmit={handleSubmit}
autoComplete="off"
spellCheck={false}
>
<input
className="w-full border rounded focus:outline-none px-2 py-1 mb-10"
type="text"
size={50}
placeholder="Search by address / txn hash / block number / ENS name"
onChange={handleChange}
autoFocus
></input>
<button
className="mx-auto px-3 py-1 mb-10 rounded bg-gray-100 hover:bg-gray-200 focus:outline-none"
type="submit"
>
Search
</button>
<div className="mx-auto mt-5 mb-5 text-lg text-link-blue hover:text-link-blue-hover font-bold">
<NavLink to="/special/london">
<div className="flex space-x-2 items-baseline text-orange-500 hover:text-orange-700 hover:underline">
<span>
<FontAwesomeIcon icon={faBurn} />
</span>
<span>Check out the special dashboard for EIP-1559</span>
<span>
<FontAwesomeIcon icon={faBurn} />
</span>
</div>
</NavLink>
</div>
{latestBlock && (
<NavLink
className="mx-auto flex flex-col items-center space-y-1 mt-5 text-sm text-gray-500 hover:text-link-blue"
to={blockURL(latestBlock.number)}
>
<div>Latest block: {ethers.utils.commify(latestBlock.number)}</div>
<Timestamp value={latestBlock.timestamp} />
</NavLink>
)}
</form>
</div>
);
};
export default React.memo(Home);