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|
import { g, s, db } from "$lib/db";
import { get, claim, mint, check } from "$lib/ecash";
import { bail, fail } from "$lib/utils";
import { debit, credit, types } from "$lib/payments";
import { v4 } from "uuid";
import { l, err } from "$lib/logging";
import { emit } from "$lib/sockets";
let { ecash: type } = types;
export default {
async save(req, res) {
let {
body: { token },
} = req;
try {
let id = v4();
await s(`cash:${id}`, token);
res.send({ id });
} catch (e) {
err(e.message);
bail(res, e.message);
}
},
async get(req, res) {
let {
params: { id, version },
} = req;
try {
let token = await get(id, version);
let status = await check(token);
res.send({ token, status });
} catch (e) {
err(e.message);
bail(res, e.message);
}
},
async claim(req, res) {
let {
body: { token },
user,
} = req;
try {
let amount = await claim(token);
let memo;
let hash = v4();
let { currency, id: uid } = user;
let rates = await g("rates");
await s(`invoice:${hash}`, {
currency,
id: hash,
hash,
rate: rates[currency],
uid,
received: 0,
});
await credit(hash, amount, memo, user.id, type);
res.send({ ok: true });
} catch (e) {
err(e.message);
bail(res, e.message);
}
},
async mint(req, res) {
let {
body: { amount },
user,
} = req;
try {
let id = v4();
let hash = v4();
let memo, rate;
let p = await debit({ hash, amount, user, type, memo, rate });
let token = await mint(amount);
p.memo = token;
await s(`payment:${p.id}`, p);
s(`cash:${id}`, token);
res.send({ id });
} catch (e) {
err(e.message);
bail(res, e.message);
}
},
async melt(req, res) {
let {
body: { amount, bolt11: hash, preimage },
user,
} = req;
try {
amount = Math.round(amount / 1000);
let ref = preimage;
let { lightning: type } = types;
if (user.username !== "mint") fail("unauthorized");
let { id: uid, currency } = user;
let ourfee = await db.debit(
`balance:${uid}`,
`credit:${type}:${uid}`,
amount || 0,
0,
0,
0,
);
let rates = await g("rates");
let rate = rates[currency];
if (ourfee.err) fail(ourfee.err);
let id = v4();
let p = {
id,
amount: -amount,
hash,
ourfee,
uid,
confirmed: true,
rate,
currency,
type,
ref,
created: Date.now(),
};
await s(`payment:${hash}`, id);
await s(`payment:${id}`, p);
await db.lPush(`${uid}:payments`, id);
l(user.username, "sent", type, amount);
emit(user.id, "payment", p);
res.send(p);
} catch (e) {
bail(res, e.message);
}
},
};
|
