103 lines
2.6 KiB
TypeScript
103 lines
2.6 KiB
TypeScript
import React, {useState} from 'react';
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import logo from './logo.svg';
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import './App.css';
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import Web3 from 'web3';
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const web3 = new Web3(Web3.givenProvider);
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import Airdrop from "./Airdrop.json";
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const airdropAddress = "0xe7f1725E7734CE288F8367e1Bb143E90bb3F0512";
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const airdropContract = new web3.eth.Contract(Airdrop.abi as any, airdropAddress);
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interface AddressesProps {
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addressList: string[];
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setAddressListFn: any;
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}
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function Addresses(props: AddressesProps) {
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const [inputState, setInputState] = useState("");
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const [errorText, setErrorText] = useState("");
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const [numTokens, setNumTokens] = useState(0);
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const { setAddressListFn, addressList } = props;
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const save = () => {
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if (!web3.utils.isAddress(inputState)) {
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setErrorText("Invalid ETH address");
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return;
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}
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setErrorText("");
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const checksumAddr = web3.utils.toChecksumAddress(inputState);
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if (addressList.includes(checksumAddr)) {
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//Do nothing
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} else {
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setAddressListFn([...addressList, checksumAddr]);
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}
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setInputState("");
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}
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var num;
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if (isNaN(numTokens) || numTokens < 0) {
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num = 0;
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} else {
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num = numTokens;
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}
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return (
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<div>
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<div>
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<input id="address" value={inputState} onChange={ (evt) => setInputState(evt.target.value) } ></input>
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<div className="addressError">{errorText}</div>
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<button onClick={save}>Add address</button>
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</div>
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<div>
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Number of tokens:
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<input type="numeric" value={num} onChange={ (evt) => setNumTokens(parseInt(evt.target.value)) }></input>
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</div>
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</div>
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);
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}
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interface AddressListProps {
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addressList: string[];
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};
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function AddressList({addressList}: AddressListProps) {
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const addresses = addressList.length == 0 ?
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<p>No addresses specified yet</p> :
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addressList.map((addr: string) => <div key={addr} className="addressItem">{addr}</div>);
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return (
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<div>
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<h2>Addresses to airdrop to: </h2>
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{ addresses }
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</div>
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)
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}
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function App() {
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const [addressList, setAddressList] = useState([]);
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async function performAirdrop() {
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console.log("Performing airdrop");
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}
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return (
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<div className="App">
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<h1>Airdrop App</h1>
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<p>Add an address to airdrop to:</p>
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<Addresses addressList={addressList} setAddressListFn={setAddressList}/>
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<button disabled={addressList.length == 0} onClick={performAirdrop} >Perform Airdrop!</button>
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<AddressList addressList={addressList} />
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</div>
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);
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}
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export default App;
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