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import config from "config";
import { emit } from "lib/sockets";
import store from "lib/store";
import { callWebhook } from "lib/webhooks";
import { v4 } from "uuid";
import { notify } from "lib/notifications";
import { l, err } from "lib/logging";
import { fail } from "lib/utils";
const { HOSTNAME: hostname } = process.env;
export default async (
{ amount, address, payreq, unconfidential, asset, memo, username, tip },
user
) => {
amount = parseInt(amount);
if (!asset) asset = config.liquid.btcasset;
if (!amount || amount < 0) fail("Amount must be greater than zero");
return db.transaction(async transaction => {
let account;
if (user.account.asset === asset && !user.account.pubkey) {
account = await db.Account.findOne({
where: {
id: user.account.id,
pubkey: null
},
lock: transaction.LOCK.UPDATE,
transaction
});
} else {
account = await db.Account.findOne({
where: {
user_id: user.id,
asset,
pubkey: null
},
lock: transaction.LOCK.UPDATE,
transaction
});
}
if (!account) throw new Error("Account not found");
if (account.balance < amount) {
throw new Error("Insufficient funds");
}
let fee = 0;
await account.decrement({ balance: amount }, { transaction });
await account.reload({ transaction });
let params, recipient, payment;
if (username) {
recipient = await db.User.findOne(
{
where: { username },
include: {
model: db.Account,
as: "account"
}
},
{ transaction }
);
params = {
where: { user_id: recipient.id },
order: [["id", "DESC"]]
};
if (address) params.where.address = address;
else if (payreq) params.where.text = payreq;
let invoice = (address || payreq) && (await db.Invoice.findOne(params));
let a2;
let acc = {
user_id: recipient.id,
asset,
pubkey: null
};
if (recipient.account.asset === asset && !recipient.account.pubkey)
a2 = recipient.account;
else {
a2 = await db.Account.findOne({
where: acc,
lock: transaction.LOCK.UPDATE,
transaction
});
}
if (a2) {
await a2.increment({ balance: amount }, { transaction });
await a2.reload({ transaction });
} else {
let name = asset.substr(0, 6);
let domain;
let ticker = asset.substr(0, 3).toUpperCase();
let precision = 8;
if (store.assets[asset]) {
({ domain, ticker, precision, name } = store.assets[asset]);
} else {
const existing = await db.Account.findOne({
where: {
asset
},
order: [["id", "ASC"]],
limit: 1,
lock: transaction.LOCK.UPDATE,
transaction
});
if (existing) {
({ domain, ticker, precision, name } = existing);
}
}
acc = { ...acc, ...{ domain, ticker, precision, name } };
acc.balance = amount;
acc.pending = 0;
acc.network = "liquid";
a2 = await db.Account.create(acc, { transaction });
}
params = {
amount,
account_id: a2.id,
user_id: recipient.id,
rate: store.rates[recipient.currency],
currency: recipient.currency,
confirmed: true,
hash: `#${v4().substr(0, 6)} Payment from ${user.username}`,
memo,
network: "COINOS",
received: true,
with_id: user.id
};
if (invoice) {
let { tip } = invoice;
params.invoice_id = invoice.id;
if (tip) {
params.tip = tip;
params.amount -= tip;
}
await invoice.increment({ received: amount }, { transaction });
await invoice.reload({ transaction });
}
let p2 = await db.Payment.create(params, { transaction });
p2 = p2.get({ plain: true });
p2.account = a2.get({ plain: true });
if (invoice) p2.invoice = invoice.get({ plain: true });
emit(recipient.username, "payment", p2);
emit(recipient.username, "account", p2.account);
l("received internal", recipient.username, amount);
notify(recipient, `Received ${amount} ${a2.ticker} sats`);
callWebhook(invoice, p2);
}
params = {
amount: -amount,
account_id: account.id,
memo,
user_id: user.id,
rate: store.rates[user.currency],
currency: user.currency,
confirmed: true,
with_id: recipient && recipient.id,
hash: `#${v4().substr(0, 6)} ${
username ? `Payment to ${username}` : "Internal Transfer"
}`,
network: "COINOS"
};
if (!username) {
l("creating redeemable payment");
params.redeemcode = v4();
params.hash = `${hostname}/redeem/${params.redeemcode}`;
}
payment = await db.Payment.create(params, { transaction });
payment = payment.get({ plain: true });
payment.account = account.get({ plain: true });
l("sent internal", user.username, -payment.amount);
emit(user.username, "payment", payment);
emit(user.username, "account", account);
return payment;
});
};
|
