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<script src="https://cdnjs.cloudflare.com/ajax/libs/qrcodejs/1.0.0/qrcode.min.js"></script>
<script>
window.addEventListener("load", async () => {
let sat = (s) => {
s = Math.abs(s);
let p = Math.floor(Math.log(s) / Math.LN10 + 0.000000001);
let d = Math.floor((p + 1) / 3);
return (
"⚡️" +
(parseInt(s) > 0
? new Intl.NumberFormat("en-US", { maximumFractionDigits: 2 }).format(
s / Math.pow(1000, d),
) + ["", "K", "M", "G", "T", "P", "E", "Z"][d]
: 0
).toString()
);
};
let copy = (text) => {
navigator.clipboard.writeText(text);
};
let f = (s, currency) =>
new Intl.NumberFormat("en-US", {
style: "currency",
currency,
})
.format(s)
.replace("CA", "");
let s = (s) =>
new Intl.NumberFormat("en-US", { maximumFractionDigits: 0 }).format(s);
let {
default: { drawImg },
} = await import("https://coinos.io/qr.js");
let base64 = drawImg("test", { size: 300 });
let link = document.createElement("link");
link.setAttribute("rel", "stylesheet");
link.setAttribute("type", "text/css");
link.setAttribute(
"href",
"https://fonts.googleapis.com/css?family=Public+Sans:400italic,400,300,700",
);
var style = document.createElement("style");
style.innerHTML = `#check {
transform: scale(0.5);
transition: transform 1s;
}
`;
document.head.appendChild(style);
document.head.appendChild(link);
document.title = "Pay With Bitcoin";
let fiat = Shopify.checkout.payment_due;
let main = document.querySelector("main");
main.style.fontFamily = "Public Sans, sans-serif";
main.innerHTML = "Please Pay";
let data = await fetch("https://dev.coinos.io/api/invoice", {
method: "POST",
mode: "cors",
headers: {
"Content-Type": "application/json",
accept: "application/json",
},
body: JSON.stringify({
invoice: {
fiat,
type: "lightning",
webhook: `https://dev.coinos.io/api/shopify/${Shopify.checkout.order_id}`,
},
user: { username: "horseradish" },
}),
})
.then(function (response) {
return response.json();
})
.catch(console.log);
main.innerHTML = `<a href="lightning:${data.hash}">
<div style="display: flex; margin-top: 50px; margin-bottom: 80px; position: relative;">
<img id="qrcode" src="${base64}" />
<div id="bg"></div>
</div>
</a>
<div style="width: 100%; text-align: center; ">
<div style="font-size: 24px; font-weight: bold; margin-bottom: 12px;">${f(
(data.amount * data.rate) / 100000000,
data.currency,
)}</div>
<div style="color: #666; font-size: 18px;">${sat(data.amount)}</div>
</div>
<div style="text-align: center; margin: 40px auto; max-width: 460px; word-break: break-all; line-height: 1.5rem">${
data.hash
}</div>
<div style="margin: 20px 0; display: flex; gap: 1rem; justify-content: center; align-items: center;">
<a href="lightning:${data.hash}" style="text-decoration: none">
<div style="color: #999; font-size: 18px; border-radius: 9999px; padding: 0.5rem 1rem; border: 1px solid #ccc; background: white;">Open</div>
</a>
<a id="copy" href="#" style="text-decoration: none">
<div style="color: #999; font-size: 18px; border-radius: 9999px; padding: 0.5rem 1rem; border: 1px solid #ccc; background: white;">Copy</div></a>
</div>
`;
let copyButton = document.getElementById("copy");
copyButton.addEventListener("click", (e) => {
e.preventDefault();
copy(data.hash);
let copied = document.createElement("div");
copied.textContent = "Copied!";
main.appendChild(copied);
setTimeout(() => copied.remove(), 3000);
});
let qr = document.getElementById("qrcode");
qr.style.margin = "auto";
qr.style.marginTop = "40px";
qr.style.border = "12px white solid";
qr.style.zIndex = 10;
new QRCode(qr, data.hash);
let bg = document.getElementById("bg");
bg.style.position = "absolute";
bg.style.margin = "auto";
bg.style.left = "0";
bg.style.right = "0";
bg.style.width = "400px";
bg.style.height = "400px";
bg.style.borderRadius = "50%";
bg.style.background = "linear-gradient(to right, #F2F6FC, #E1E3FF)";
bg.style.zIndex = "0";
let ws = new WebSocket("wss://dev.coinos.io/ws");
ws.onmessage = ({ data }) => {
try {
let { type, data: d } = JSON.parse(data);
if (type === "payment") {
main.innerHTML =
'<img id="check" src="https://dev.coinos.io/icons/check.svg" alt="Check" />' +
`<h1>Payment received!</h1>
<h2>
${((d.amount * d.rate) / 100000000).toFixed(2)} CAD
</h2>
<h3>
⚡️${d.amount}
</h3>`;
var image = document.getElementById("check");
image.addEventListener("load", function () {
image.style.transform = "scale(1)";
});
}
} catch (e) {
console.log(e);
}
};
ws.onopen = () => {
ws.send(JSON.stringify({ type: "subscribe", data }));
};
});
</script>
|
