robosats/frontend/src/components/MakerPage.js

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import React, { Component } from 'react';
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import { Paper, Alert, AlertTitle, Button , Grid, Typography, TextField, Select, FormHelperText, MenuItem, FormControl, Radio, FormControlLabel, RadioGroup, Menu} from "@mui/material"
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import { Link } from 'react-router-dom'
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function getCookie(name) {
let cookieValue = null;
if (document.cookie && document.cookie !== '') {
const cookies = document.cookie.split(';');
for (let i = 0; i < cookies.length; i++) {
const cookie = cookies[i].trim();
// Does this cookie string begin with the name we want?
if (cookie.substring(0, name.length + 1) === (name + '=')) {
cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
break;
}
}
}
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return cookieValue;
}
const csrftoken = getCookie('csrftoken');
// pretty numbers
function pn(x) {
return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
}
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export default class MakerPage extends Component {
defaultCurrency = 1;
defaultCurrencyCode = 'USD';
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defaultPaymentMethod = "not specified";
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defaultPremium = 0;
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minTradeSats = 10000;
maxTradeSats = 500000;
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constructor(props) {
super(props);
this.state={
isExplicit: false,
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type: 0,
currency: this.defaultCurrency,
currencyCode: this.defaultCurrencyCode,
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payment_method: this.defaultPaymentMethod,
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premium: 0,
satoshis: null,
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currencies_dict: {"1":"USD"}
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}
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this.getCurrencyDict()
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}
handleTypeChange=(e)=>{
this.setState({
type: e.target.value,
});
}
handleCurrencyChange=(e)=>{
this.setState({
currency: e.target.value,
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currencyCode: this.getCurrencyCode(e.target.value),
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});
}
handleAmountChange=(e)=>{
this.setState({
amount: e.target.value,
});
}
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handlePaymentMethodChange=(e)=>{
this.setState({
payment_method: e.target.value,
});
}
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handlePremiumChange=(e)=>{
this.setState({
premium: e.target.value,
});
}
handleSatoshisChange=(e)=>{
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var bad_sats = e.target.value > this.maxTradeSats ?
("Must be less than "+pn(this.maxTradeSats)):
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(e.target.value < this.minTradeSats ?
("Must be more than "+pn(this.minTradeSats)): null)
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this.setState({
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satoshis: e.target.value,
badSatoshis: bad_sats,
})
;
}
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handleClickRelative=(e)=>{
this.setState({
isExplicit: false,
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satoshis: null,
premium: 0,
});
}
handleClickExplicit=(e)=>{
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this.setState({
isExplicit: true,
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premium: null,
});
}
handleCreateOfferButtonPressed=()=>{
this.state.amount == null ? this.setState({amount: 0}) : null;
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console.log(this.state)
const requestOptions = {
method: 'POST',
headers: {'Content-Type':'application/json', 'X-CSRFToken': getCookie('csrftoken')},
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body: JSON.stringify({
type: this.state.type,
currency: this.state.currency,
amount: this.state.amount,
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payment_method: this.state.payment_method,
is_explicit: this.state.isExplicit,
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premium: this.state.premium,
satoshis: this.state.satoshis,
}),
};
fetch("/api/make/",requestOptions)
.then((response) => response.json())
.then((data) => (this.setState({badRequest:data.bad_request})
& (data.id ? this.props.history.push('/order/' + data.id) :"")));
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}
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getCurrencyDict() {
fetch('/static/assets/currencies.json')
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.then((response) => response.json())
.then((data) =>
this.setState({
currencies_dict: data
}));
}
getCurrencyCode(val){
return this.state.currencies_dict[val.toString()]
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}
render() {
return (
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<Grid container xs={12} align="center" spacing={1}>
<Grid item xs={12} align="center">
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<Typography component="h2" variant="h2">
Order Maker
</Typography>
</Grid>
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<Grid item xs={12} align="center" spacing={1}>
<Paper elevation={12} style={{ padding: 8, width:350, align:'center'}}>
<Grid item xs={12} align="center" spacing={1}>
<FormControl component="fieldset">
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<FormHelperText>
Buy or Sell Bitcoin?
</FormHelperText>
<RadioGroup row defaultValue="0" onChange={this.handleTypeChange}>
<FormControlLabel
value="0"
control={<Radio color="primary"/>}
label="Buy"
labelPlacement="Top"
/>
<FormControlLabel
value="1"
control={<Radio color="secondary"/>}
label="Sell"
labelPlacement="Top"
/>
</RadioGroup>
</FormControl>
</Grid>
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<Grid container xs={11} align="center">
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<TextField
error={this.state.amount == 0}
helperText={this.state.amount == 0 ? 'Must be more than 0' : null}
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label="Amount"
type="number"
required="true"
inputProps={{
min:0 ,
style: {textAlign:"center"}
}}
onChange={this.handleAmountChange}
/>
<Select
required="true"
defaultValue={this.defaultCurrency}
inputProps={{
style: {textAlign:"center"}
}}
onChange={this.handleCurrencyChange}
>
{
Object.entries(this.state.currencies_dict)
.map( ([key, value]) => <MenuItem value={parseInt(key)}>{value}</MenuItem> )
}
</Select>
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</Grid>
<br/>
<Grid item xs={12} align="center">
<FormControl >
<TextField
label="Payment Method(s)"
type="text"
require={true}
inputProps={{
style: {textAlign:"center"},
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maxLength: 35
}}
onChange={this.handlePaymentMethodChange}
/>
</FormControl>
</Grid>
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<Grid item xs={12} align="center">
<FormControl component="fieldset">
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<FormHelperText >
<div align='center'>
Choose a Pricing Method
</div>
</FormHelperText>
<RadioGroup row defaultValue="relative">
<FormControlLabel
value="relative"
control={<Radio color="primary"/>}
label="Relative"
labelPlacement="Top"
onClick={this.handleClickRelative}
/>
<FormControlLabel
value="explicit"
control={<Radio color="secondary"/>}
label="Explicit"
labelPlacement="Top"
onClick={this.handleClickExplicit}
/>
</RadioGroup>
</FormControl>
</Grid>
{/* conditional shows either Premium % field or Satoshis field based on pricing method */}
{ this.state.isExplicit
? <Grid item xs={12} align="center">
<TextField
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label="Satoshis"
error={this.state.badSatoshis}
helperText={this.state.badSatoshis}
type="number"
required="true"
inputProps={{
// TODO read these from .env file
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min:this.minTradeSats ,
max:this.maxTradeSats ,
style: {textAlign:"center"}
}}
onChange={this.handleSatoshisChange}
// defaultValue={this.defaultSatoshis}
/>
</Grid>
: <Grid item xs={12} align="center">
<TextField
label="Premium over Market (%)"
type="number"
// defaultValue={this.defaultPremium}
inputProps={{
style: {textAlign:"center"}
}}
onChange={this.handlePremiumChange}
/>
</Grid>
}
</Paper>
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</Grid>
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<Grid item xs={12} align="center">
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<Button color="primary" variant="contained" onClick={this.handleCreateOfferButtonPressed} >
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Create Order
</Button>
</Grid>
<Grid item xs={12} align="center">
{this.state.badRequest ?
<Typography component="subtitle2" variant="subtitle2" color="secondary">
{this.state.badRequest} <br/>
</Typography>
: ""}
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<Typography component="subtitle2" variant="subtitle2">
<div align='center'>
Create a BTC {this.state.type==0 ? "buy":"sell"} order for {this.state.amount} {this.state.currencyCode}
{this.state.isExplicit ? " of " + this.state.satoshis + " Satoshis" :
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(this.state.premium == 0 ? " at market price" :
(this.state.premium > 0 ? " at a " + this.state.premium + "% premium":" at a " + -this.state.premium + "% discount")
)
}
</div>
</Typography>
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<Grid item xs={12} align="center">
<Button color="secondary" variant="contained" to="/" component={Link}>
Back
</Button>
</Grid>
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</Grid>
</Grid>
);
}
}