add web3 examples and tutorial

This commit is contained in:
boneyard93501
2021-02-25 16:26:05 -06:00
parent da0b83d3dd
commit 45012cd093
47 changed files with 21766 additions and 0 deletions

View File

@ -0,0 +1,199 @@
$bg-color1: white;
$bg-color2: #f4f4f4;
$font-color1: black;
$color-disabled: lightgray;
$color1: black;
$color2: rgb(214, 214, 214);
$accent-color: rgb(225, 30, 90);
$header-height: 60px;
$border-radius: 10px;
@mixin font($size) {
font-family: 'Montserrat', sans-serif;
font-size: $size;
}
$shadow: 0px 5px 20px rgba(0, 0, 0, 0.1);
body {
background-color: $bg-color2;
font-family: 'Montserrat', sans-serif;
}
.header-wrapper {
padding: 0 20px;
height: $header-height;
background-color: $bg-color1;
color: $font-color1;
box-shadow: $shadow;
}
.header {
display: flex;
justify-content: space-between;
align-items: center;
width: 1200px;
height: 100%;
margin-left: auto;
margin-right: auto;
@media (max-width: 1280px) {
width: calc(100vw - 80px);
margin-left: 20px;
margin-right: 45px;
}
}
.content {
width: 1700px;
margin-left: auto;
margin-right: auto;
padding-top: 50px;
@media (max-width: 1280px) {
width: calc(100vw - 80px);
margin-left: 35px;
margin-right: 45px;
}
}
.text-input {
width: 100%;
height: 40px;
padding: 0 15px;
box-sizing: border-box;
margin-top: 5px;
border: none;
font-style: normal;
@include font(15px);
color: $color1;
box-shadow: $shadow;
&::placeholder {
color: $color2;
}
&:hover,
&:focus {
outline: 1px solid white;
border: 1px solid $accent-color;
}
}
.button {
display: inline;
width: 100px;
height: 40px;
box-sizing: border-box;
background-color: white;
margin-top: 10px;
margin-right: 10px;
border: none;
font-style: normal;
@include font(15px);
color: $color1;
box-shadow: $shadow;
&::placeholder {
color: $color2;
}
&:hover,
&:focus {
outline: 1px solid white;
border: 1px solid $accent-color;
}
&:disabled {
color: gray;
}
}
.form-caption {
color: $accent-color;
text-align: center;
font-style: normal;
font-weight: bold;
@include font(20px);
margin-bottom: 20px;
}
.header-item {
@include font(14px);
text-transform: uppercase;
& button {
@include font(14px);
text-transform: uppercase;
background: none;
border-top: none;
border-right: none;
border-left: none;
border-bottom: 1px solid $accent-color;
text-decoration: none;
outline: none;
&:hover,
&:focus {
color: $accent-color;
border-bottom: 2px solid $accent-color;
}
}
}
.red {
color: red;
}
.green {
color: green;
}
.accent {
color: $accent-color;
}
.bold {
font-weight: bold;
}
.table-wrapper {
width: 100%;
min-height: 800px;
margin-top: 50px;
padding: 10px;
box-sizing: border-box;
background-color: white;
box-shadow: $shadow;
}
th {
@include font(18px);
min-width: 100px;
border-bottom: 20px solid transparent;
}
td {
@include font(14px);
border-left: 15px solid transparent;
border-right: 15px solid transparent;
}

View File

@ -0,0 +1,141 @@
import { createClient, FluenceClient, subscribeToEvent } from '@fluencelabs/fluence';
import React, { useEffect, useState } from 'react';
import {
createFilter,
getFilterChanges,
getFilterChangesWithoutNulls,
getTxInfo,
relayNode,
removeFilter,
TxInfo,
} from 'src/fluence';
import './App.scss';
const intervalMs = 4000;
const App = () => {
const [client, setClient] = useState<FluenceClient | null>(null);
const [ethNodeUrl, setEthNodeUrl] = useState('');
const [filterId, setFilterId] = useState<string | null>(null);
const [timer, setTimer] = useState<any>();
const [data, setData] = useState<TxInfo[]>([]);
const updateData = async (filterId) => {
if (!filterId || !client) {
return;
}
try {
const data = await getFilterChangesWithoutNulls(client, ethNodeUrl, filterId, '50');
console.log(data);
setData((prev) => {
return [...data, ...prev];
});
} catch (err) {
console.log('updateData failed', err);
}
};
useEffect(() => {
const fn = async () => {
try {
const client = await createClient(relayNode);
setClient(client);
} catch (err) {
console.log('Client initialization failed', err);
}
};
fn();
}, []);
const start = async () => {
if (!client) {
return;
}
try {
const filterId = await createFilter(client, ethNodeUrl);
setFilterId(filterId);
const timer = setInterval(updateData, intervalMs, filterId);
setTimer(timer);
} catch (err) {
console.log('createFilter failed', err);
}
};
const stop = async () => {
if (!filterId || !client) {
return;
}
try {
clearInterval(timer);
setTimer(null);
const res = await removeFilter(client, ethNodeUrl, filterId);
console.log(res);
setFilterId(null);
setData([]);
} catch (err) {
console.log('stop failed', err);
}
};
return (
<>
<div className="header-wrapper">
<div className="header">
<div className="header-item"></div>
<div className="header-item">
Connection status: {client ? <span className="accent">connected</span> : 'disconnected'}
</div>
</div>
</div>
<div className="content">
<div>Node address. e.g: https://eth-mainnet.alchemyapi.io/v2/xxxxxxx-xxxxxxxx-xxxxxxxxxx_xxxx</div>
<div>
<input
className="text-input"
onChange={(e) => setEthNodeUrl(e.target.value)}
type="text"
value={ethNodeUrl}
/>
</div>
<div className="buttons">
<button disabled={!ethNodeUrl} className="button" onClick={start}>
start
</button>
<button className="button" onClick={stop}>
stop
</button>
</div>
<div className="table-wrapper">
<table className="table">
<tr>
<th>from</th>
<th>to</th>
<th>gas</th>
<th>gas price</th>
<th>hash</th>
</tr>
{data.map((x) => (
<tr key={x.hash}>
<td className="td1">{x.from}</td>
<td className="td2">{x.to}</td>
<td className="td3">{parseInt(x.gas, 16)}</td>
<td className="td4">{parseInt(x.gasPrice, 16)}</td>
<td className="td5">{x.hash}</td>
</tr>
))}
</table>
</div>
</div>
</>
);
};
export default App;