1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
import config from "$config";
import { g, s } from "$lib/db";
import locales from "$lib/locales/index";
import migrate from "$lib/migrate";
import { bytesToHex, randomBytes } from "@noble/hashes/utils";
import { getPublicKey } from "nostr";
const { URL } = process.env;
export const fail = (msg) => {
throw new Error(msg);
};
export const nada = () => {};
export const sleep = (n) => new Promise((r) => setTimeout(r, n));
export const wait = async (f, s = 300, n = 50) => {
let i = 0;
while (!(await f()) && i < s) (await sleep(n)) && i++;
if (i >= s) fail("timeout");
return f();
};
export const prod = process.env.NODE_ENV === "production";
export const bail = (res, msg) => res.code(500).send(msg);
export const SATS = 100000000;
export const sats = (n) => Math.round(n * SATS);
export const btc = (n) => parseFloat((n / SATS).toFixed(8));
export const fiat = (n, r) => (n * r) / SATS;
export const uniq = (a, k) => [...new Map(a.map((x) => [k(x), x])).values()];
export const pick = (O, K) =>
K.reduce((o, k) => (typeof O[k] !== "undefined" && (o[k] = O[k]), o), {});
export const bip21 = (address, { amount, memo, tip, type }) => {
if (!(amount || memo)) return address;
const network = { liquid: "liquidnetwork", bitcoin: "bitcoin" }[type];
const url = new URLSearchParams();
if (amount) {
url.append("amount", btc(amount + tip).toFixed(8));
if (type === "liquid") url.append("assetid", config.liquid.btc);
}
if (memo) url.append("message", memo);
return `${network}:${address}?${url.toString()}`;
};
export const getUser = async (username, fields = undefined) => {
let update;
if (username === "undefined") fail("invalid user");
const user = await migrate(username);
if (user && !user.anon && !user.nwc) {
user.nwc = bytesToHex(randomBytes(32));
await s(getPublicKey(user.nwc), user.id);
update = true;
}
if (user?.profile) {
user.picture = `https://coinos.io/api/public/${user.profile}.webp`;
delete user.profile;
if (user.banner) {
user.banner = `https://coinos.io/api/public/${user.banner}.webp`;
}
update = true;
}
if (user?.address) {
user.about = user.address;
delete user.address;
update = true;
}
if (update) s(`user:${user.id}`, user);
return fields && user ? pick(user, fields) : user;
};
export const getInvoice = async (hash) => {
let iid = await g(`invoice:${hash}`);
if (iid?.id) iid = iid.id;
else if (iid?.hash) iid = iid.hash;
return await g(`invoice:${iid}`);
};
export const getPayment = async (id) => {
let p = await g(`payment:${id}`);
if (typeof p === "string") p = await g(`payment:${p}`);
return p;
};
export const f = (s, currency) =>
new Intl.NumberFormat("en-US", {
style: "currency",
currency,
})
.format(s)
.replace("CA", "");
export function formatReceipt(items, currency) {
function wrapText(text, maxWidth) {
const words = text.split(" ");
const lines = [];
let currentLine = "";
for (const word of words) {
if (currentLine.length + word.length + 1 > maxWidth) {
lines.push(currentLine);
currentLine = word;
} else {
currentLine += (currentLine.length > 0 ? " " : "") + word;
}
}
if (currentLine) lines.push(currentLine);
return lines;
}
function calculateColumnWidths(items) {
let maxQuantityLength = 0;
let maxPriceLength = 0;
for (const item of items) {
const quantityLength = String(item.quantity).length;
if (quantityLength > maxQuantityLength) {
maxQuantityLength = quantityLength;
}
const priceLength = f(item.price * item.quantity, currency).length;
if (priceLength > maxPriceLength) {
maxPriceLength = priceLength;
}
}
// Add padding to the widths for aesthetic spacing
return {
quantityColumnWidth: maxQuantityLength + 1, // Space after quantity
priceColumnWidth: maxPriceLength + 1, // Space before price
};
}
const maxLineWidth = 32;
const { quantityColumnWidth, priceColumnWidth } =
calculateColumnWidths(items);
const nameColumnWidth = maxLineWidth - quantityColumnWidth - priceColumnWidth;
return items
.map((item) => {
const quantityStr = String(item.quantity).padEnd(quantityColumnWidth);
const priceStr = f(item.price * item.quantity, currency).padStart(
priceColumnWidth,
);
const nameLines = wrapText(item.name, nameColumnWidth);
// Construct the full line(s) with the first line including the price
const fullLines = [
`${quantityStr}${nameLines[0].padEnd(nameColumnWidth)}${priceStr}`,
];
// Add any additional name lines, properly indented
for (let i = 1; i < nameLines.length; i++) {
fullLines.push(" ".repeat(quantityColumnWidth) + nameLines[i]);
}
return fullLines.join("\n");
})
.join("\n");
}
export const t = ({ language = "en" }) => locales[language];
export const time = (() => {
let count = 0;
let started = false;
return (s = "") => {
if (!started) {
console.time("");
started = true;
}
console.timeLog("", ++count, s);
};
})();
export const fmt = (sats) =>
`⚡️${new Intl.NumberFormat("en-US", { maximumFractionDigits: 0 }).format(
sats,
)}`;
export const link = (id) => `${URL}/payment/${id}`;
export const fields = [
"about",
"anon",
"banner",
"banner",
"currency",
"display",
"id",
"hidepay",
"lud16",
"memoPrompt",
"npub",
"picture",
"prompt",
"pubkey",
"username",
"website",
];
|
