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
|
import config from "$config";
import { db, g, s } from "$lib/db";
import ln from "$lib/ln";
import { types } from "$lib/payments";
import { emit } from "$lib/sockets";
import { SATS, bip21, fail, getUser } from "$lib/utils";
import rpc from "@coinos/rpc";
import { v4 } from "uuid";
const bc = rpc(config.bitcoin);
const lq = rpc(config.liquid);
export const generate = async ({ invoice, user }) => {
let {
bolt11,
bolt12,
aid,
currency,
expiry,
fiat,
tip,
amount,
items = [],
rate,
request_id,
memo,
memoPrompt,
prompt,
type = types.lightning,
webhook,
secret,
} = invoice;
amount = parseInt(amount || 0);
tip = parseInt(tip) || null;
if (user) user = await getUser(user.username);
if (!user) fail("user not provided");
let account = await g(`account:${aid}`);
if (!account) account = await g(`account:${user.id}`);
if (!account) fail("account not found");
aid = account.id;
const rates = await g("rates");
if (!currency) currency = user.currency;
if (!rate) rate = rates[currency];
if (fiat) amount = Math.round((SATS * fiat) / rate);
if (amount < 0) fail("invalid amount");
if (tip < 0) fail("invalid tip");
if (rate < 0) fail("invalid rate");
if (memo && memo.length > 5000) fail("memo too long");
const id = v4();
let hash;
let text;
let path;
if (account.seed) {
type = "bitcoin";
const node = rpc({ ...config[type], wallet: aid });
hash = await node.getNewAddress();
text = bip21(hash, invoice);
({ hdkeypath: path } = await node.getAddressInfo(hash));
} else if (type === types.lightning) {
let r;
if (bolt11) {
const { id: nodeid } = await ln.getinfo();
r = await ln.decode(bolt11);
if (r.payee !== nodeid) fail("invalid invoice");
amount = Math.round(r.amount_msat / 1000);
r.bolt11 = bolt11;
} else if (bolt12) {
r = await ln.offer({
amount_msat: amount ? `${amount + tip}sat` : "any",
label: id,
description: memo || "",
absolute_expiry: expiry,
});
} else {
expiry ||= 60 * 60 * 24 * 30;
r = await ln.invoice({
amount_msat: amount ? `${amount + tip}sat` : "any",
label: id,
description: memo || "",
expiry,
deschashonly: true,
cltv: 19,
});
}
hash = r.bolt11;
text = r.bolt11;
} else if (type === types.bitcoin) {
hash = await bc.getNewAddress();
text = bip21(hash, invoice);
} else if (type === types.liquid) {
hash = await lq.getNewAddress();
text = bip21(hash, invoice);
} else if (type === types.internal) {
hash = id;
} else {
fail(`unrecognized type ${type}`);
}
invoice = {
amount,
aid,
created: Date.now(),
currency,
hash,
expiry,
id,
items,
memo,
rate,
pending: 0,
received: 0,
request_id,
memoPrompt,
path,
prompt,
secret,
text,
tip,
type,
uid: user.id,
webhook,
};
if (type === "liquid") {
const { unconfidential } = await lq.getAddressInfo(hash);
await s(`invoice:${unconfidential}`, id);
}
await s(`invoice:${hash}`, id);
await s(`invoice:${id}`, invoice);
await db.lPush(`${aid}:invoices`, id);
if (request_id) {
const request = await g(`request:${request_id}`);
if (request) {
const { invoice_id: prev } = request;
request.invoice_id = id;
await s(`request:${request_id}`, request);
if (!prev) emit(request.requester_id, "invoice", invoice);
}
}
return invoice;
};
|
