405 lines
13 KiB
JavaScript
405 lines
13 KiB
JavaScript
import { createHodlInvoice, createInvoice, decodePaymentRequest, payViaPaymentRequest, cancelHodlInvoice } from 'ln-service'
|
|
import { GraphQLError } from 'graphql'
|
|
import crypto from 'crypto'
|
|
import serialize from './serial'
|
|
import { decodeCursor, LIMIT, nextCursorEncoded } from '../../lib/cursor'
|
|
import lnpr from 'bolt11'
|
|
import { SELECT } from './item'
|
|
import { lnurlPayDescriptionHash } from '../../lib/lnurl'
|
|
import { msatsToSats, msatsToSatsDecimal } from '../../lib/format'
|
|
import { amountSchema, lnAddrSchema, ssValidate, withdrawlSchema } from '../../lib/validate'
|
|
import { ANON_BALANCE_LIMIT_MSATS, ANON_INV_PENDING_LIMIT, ANON_USER_ID, BALANCE_LIMIT_MSATS, INV_PENDING_LIMIT } from '../../lib/constants'
|
|
import { datePivot } from '../../lib/time'
|
|
|
|
export async function getInvoice (parent, { id }, { me, models, lnd }) {
|
|
const inv = await models.invoice.findUnique({
|
|
where: {
|
|
id: Number(id)
|
|
},
|
|
include: {
|
|
user: true
|
|
}
|
|
})
|
|
|
|
if (!inv) {
|
|
throw new GraphQLError('invoice not found', { extensions: { code: 'BAD_INPUT' } })
|
|
}
|
|
|
|
if (inv.user.id === ANON_USER_ID) {
|
|
return inv
|
|
}
|
|
if (!me) {
|
|
throw new GraphQLError('you must be logged in', { extensions: { code: 'FORBIDDEN' } })
|
|
}
|
|
if (inv.user.id !== me.id) {
|
|
throw new GraphQLError('not ur invoice', { extensions: { code: 'FORBIDDEN' } })
|
|
}
|
|
|
|
try {
|
|
inv.nostr = JSON.parse(inv.desc)
|
|
} catch (err) {
|
|
}
|
|
|
|
return inv
|
|
}
|
|
|
|
export function createHmac (hash) {
|
|
const key = Buffer.from(process.env.INVOICE_HMAC_KEY, 'hex')
|
|
return crypto.createHmac('sha256', key).update(Buffer.from(hash, 'hex')).digest('hex')
|
|
}
|
|
|
|
export default {
|
|
Query: {
|
|
invoice: getInvoice,
|
|
withdrawl: async (parent, { id }, { me, models, lnd }) => {
|
|
if (!me) {
|
|
throw new GraphQLError('you must be logged in', { extensions: { code: 'FORBIDDEN' } })
|
|
}
|
|
|
|
const wdrwl = await models.withdrawl.findUnique({
|
|
where: {
|
|
id: Number(id)
|
|
},
|
|
include: {
|
|
user: true
|
|
}
|
|
})
|
|
|
|
if (wdrwl.user.id !== me.id) {
|
|
throw new GraphQLError('not ur withdrawal', { extensions: { code: 'FORBIDDEN' } })
|
|
}
|
|
|
|
return wdrwl
|
|
},
|
|
connectAddress: async (parent, args, { lnd }) => {
|
|
return process.env.LND_CONNECT_ADDRESS
|
|
},
|
|
walletHistory: async (parent, { cursor, inc }, { me, models, lnd }) => {
|
|
const decodedCursor = decodeCursor(cursor)
|
|
if (!me) {
|
|
throw new GraphQLError('you must be logged in', { extensions: { code: 'FORBIDDEN' } })
|
|
}
|
|
|
|
const include = new Set(inc?.split(','))
|
|
const queries = []
|
|
|
|
if (include.has('invoice')) {
|
|
queries.push(
|
|
`(SELECT ('invoice' || id) as id, id as "factId", bolt11, created_at as "createdAt",
|
|
COALESCE("msatsReceived", "msatsRequested") as msats, NULL as "msatsFee",
|
|
CASE WHEN "confirmedAt" IS NOT NULL THEN 'CONFIRMED'
|
|
WHEN "expiresAt" <= $2 THEN 'EXPIRED'
|
|
WHEN cancelled THEN 'CANCELLED'
|
|
ELSE 'PENDING' END as status,
|
|
'invoice' as type
|
|
FROM "Invoice"
|
|
WHERE "userId" = $1
|
|
AND created_at <= $2)`)
|
|
}
|
|
|
|
if (include.has('withdrawal')) {
|
|
queries.push(
|
|
`(SELECT ('withdrawal' || id) as id, id as "factId", bolt11, created_at as "createdAt",
|
|
CASE WHEN status = 'CONFIRMED' THEN "msatsPaid"
|
|
ELSE "msatsPaying" END as msats,
|
|
CASE WHEN status = 'CONFIRMED' THEN "msatsFeePaid"
|
|
ELSE "msatsFeePaying" END as "msatsFee",
|
|
COALESCE(status::text, 'PENDING') as status,
|
|
'withdrawal' as type
|
|
FROM "Withdrawl"
|
|
WHERE "userId" = $1
|
|
AND created_at <= $2)`)
|
|
}
|
|
|
|
if (include.has('stacked')) {
|
|
// query1 - get all sats stacked as OP or as a forward
|
|
queries.push(
|
|
`(SELECT
|
|
('stacked' || "Item".id) AS id,
|
|
"Item".id AS "factId",
|
|
NULL AS bolt11,
|
|
MAX("ItemAct".created_at) AS "createdAt",
|
|
FLOOR(
|
|
SUM("ItemAct".msats)
|
|
* (CASE WHEN "Item"."userId" = $1 THEN
|
|
COALESCE(1 - ((SELECT SUM(pct) FROM "ItemForward" WHERE "itemId" = "Item".id) / 100.0), 1)
|
|
ELSE
|
|
(SELECT pct FROM "ItemForward" WHERE "itemId" = "Item".id AND "userId" = $1) / 100.0
|
|
END)
|
|
) AS "msats",
|
|
0 AS "msatsFee",
|
|
NULL AS status,
|
|
'stacked' AS type
|
|
FROM "ItemAct"
|
|
JOIN "Item" ON "ItemAct"."itemId" = "Item".id
|
|
-- only join to with item forward for items where we aren't the OP
|
|
LEFT JOIN "ItemForward" ON "ItemForward"."itemId" = "Item".id AND "Item"."userId" <> $1
|
|
WHERE "ItemAct".act = 'TIP'
|
|
AND ("Item"."userId" = $1 OR "ItemForward"."userId" = $1)
|
|
AND "ItemAct".created_at <= $2
|
|
GROUP BY "Item".id)`
|
|
)
|
|
queries.push(
|
|
`(SELECT ('earn' || min("Earn".id)) as id, min("Earn".id) as "factId", NULL as bolt11,
|
|
created_at as "createdAt", sum(msats),
|
|
0 as "msatsFee", NULL as status, 'earn' as type
|
|
FROM "Earn"
|
|
WHERE "Earn"."userId" = $1 AND "Earn".created_at <= $2
|
|
GROUP BY "userId", created_at)`)
|
|
queries.push(
|
|
`(SELECT ('referral' || "ReferralAct".id) as id, "ReferralAct".id as "factId", NULL as bolt11,
|
|
created_at as "createdAt", msats,
|
|
0 as "msatsFee", NULL as status, 'referral' as type
|
|
FROM "ReferralAct"
|
|
WHERE "ReferralAct"."referrerId" = $1 AND "ReferralAct".created_at <= $2)`)
|
|
}
|
|
|
|
if (include.has('spent')) {
|
|
queries.push(
|
|
`(SELECT ('spent' || "Item".id) as id, "Item".id as "factId", NULL as bolt11,
|
|
MAX("ItemAct".created_at) as "createdAt", sum("ItemAct".msats) as msats,
|
|
0 as "msatsFee", NULL as status, 'spent' as type
|
|
FROM "ItemAct"
|
|
JOIN "Item" on "ItemAct"."itemId" = "Item".id
|
|
WHERE "ItemAct"."userId" = $1
|
|
AND "ItemAct".created_at <= $2
|
|
GROUP BY "Item".id)`)
|
|
queries.push(
|
|
`(SELECT ('donation' || "Donation".id) as id, "Donation".id as "factId", NULL as bolt11,
|
|
created_at as "createdAt", sats * 1000 as msats,
|
|
0 as "msatsFee", NULL as status, 'donation' as type
|
|
FROM "Donation"
|
|
WHERE "userId" = $1
|
|
AND created_at <= $2)`)
|
|
}
|
|
|
|
if (queries.length === 0) {
|
|
return {
|
|
cursor: null,
|
|
facts: []
|
|
}
|
|
}
|
|
|
|
let history = await models.$queryRawUnsafe(`
|
|
${queries.join(' UNION ALL ')}
|
|
ORDER BY "createdAt" DESC
|
|
OFFSET $3
|
|
LIMIT ${LIMIT}`, me.id, decodedCursor.time, decodedCursor.offset)
|
|
|
|
history = history.map(f => {
|
|
if (f.bolt11) {
|
|
const inv = lnpr.decode(f.bolt11)
|
|
if (inv) {
|
|
const { tags } = inv
|
|
for (const tag of tags) {
|
|
if (tag.tagName === 'description') {
|
|
f.description = tag.data
|
|
break
|
|
}
|
|
}
|
|
}
|
|
}
|
|
switch (f.type) {
|
|
case 'withdrawal':
|
|
f.msats = (-1 * Number(f.msats)) - Number(f.msatsFee)
|
|
break
|
|
case 'spent':
|
|
f.msats *= -1
|
|
break
|
|
case 'donation':
|
|
f.msats *= -1
|
|
break
|
|
default:
|
|
break
|
|
}
|
|
|
|
return f
|
|
})
|
|
|
|
return {
|
|
cursor: history.length === LIMIT ? nextCursorEncoded(decodedCursor) : null,
|
|
facts: history
|
|
}
|
|
}
|
|
},
|
|
|
|
Mutation: {
|
|
createInvoice: async (parent, { amount, hodlInvoice = false, expireSecs = 3600 }, { me, models, lnd }) => {
|
|
await ssValidate(amountSchema, { amount })
|
|
|
|
let expirePivot = { seconds: expireSecs }
|
|
let invLimit = INV_PENDING_LIMIT
|
|
let balanceLimit = BALANCE_LIMIT_MSATS
|
|
let id = me?.id
|
|
if (!me) {
|
|
expirePivot = { seconds: Math.min(expireSecs, 180) }
|
|
invLimit = ANON_INV_PENDING_LIMIT
|
|
balanceLimit = ANON_BALANCE_LIMIT_MSATS
|
|
id = ANON_USER_ID
|
|
}
|
|
|
|
const user = await models.user.findUnique({ where: { id } })
|
|
|
|
const expiresAt = datePivot(new Date(), expirePivot)
|
|
const description = `Funding @${user.name} on stacker.news`
|
|
try {
|
|
const invoice = await (hodlInvoice ? createHodlInvoice : createInvoice)({
|
|
description: user.hideInvoiceDesc ? undefined : description,
|
|
lnd,
|
|
tokens: amount,
|
|
expires_at: expiresAt
|
|
})
|
|
|
|
const [inv] = await serialize(models,
|
|
models.$queryRaw`SELECT * FROM create_invoice(${invoice.id}, ${invoice.request},
|
|
${expiresAt}::timestamp, ${amount * 1000}, ${user.id}::INTEGER, ${description},
|
|
${invLimit}::INTEGER, ${balanceLimit})`)
|
|
|
|
if (hodlInvoice) await models.invoice.update({ where: { hash: invoice.id }, data: { preimage: invoice.secret } })
|
|
|
|
// the HMAC is only returned during invoice creation
|
|
// this makes sure that only the person who created this invoice
|
|
// has access to the HMAC
|
|
const hmac = createHmac(inv.hash)
|
|
|
|
return { ...inv, hmac }
|
|
} catch (error) {
|
|
console.log(error)
|
|
throw error
|
|
}
|
|
},
|
|
createWithdrawl: createWithdrawal,
|
|
sendToLnAddr: async (parent, { addr, amount, maxFee }, { me, models, lnd }) => {
|
|
await ssValidate(lnAddrSchema, { addr, amount, maxFee })
|
|
|
|
const [name, domain] = addr.split('@')
|
|
let req
|
|
try {
|
|
req = await fetch(`https://${domain}/.well-known/lnurlp/${name}`)
|
|
} catch (e) {
|
|
throw new Error(`error initiating protocol with https://${domain}`)
|
|
}
|
|
|
|
const res1 = await req.json()
|
|
if (res1.status === 'ERROR') {
|
|
throw new Error(res1.reason)
|
|
}
|
|
|
|
const milliamount = amount * 1000
|
|
// check that amount is within min and max sendable
|
|
if (milliamount < res1.minSendable || milliamount > res1.maxSendable) {
|
|
throw new GraphQLError(`amount must be >= ${res1.minSendable / 1000} and <= ${res1.maxSendable / 1000}`, { extensions: { code: 'BAD_INPUT' } })
|
|
}
|
|
|
|
const callback = new URL(res1.callback)
|
|
callback.searchParams.append('amount', milliamount)
|
|
|
|
// call callback with amount
|
|
const res2 = await (await fetch(callback.toString())).json()
|
|
if (res2.status === 'ERROR') {
|
|
throw new Error(res2.reason)
|
|
}
|
|
|
|
// decode invoice
|
|
let decoded
|
|
try {
|
|
decoded = await decodePaymentRequest({ lnd, request: res2.pr })
|
|
} catch (error) {
|
|
console.log(error)
|
|
throw new Error('could not decode invoice')
|
|
}
|
|
|
|
if (decoded.description_hash !== lnurlPayDescriptionHash(res1.metadata)) {
|
|
throw new Error('description hash does not match')
|
|
}
|
|
|
|
// take pr and createWithdrawl
|
|
return await createWithdrawal(parent, { invoice: res2.pr, maxFee }, { me, models, lnd })
|
|
},
|
|
cancelInvoice: async (parent, { hash, hmac }, { models, lnd }) => {
|
|
const hmac2 = createHmac(hash)
|
|
if (hmac !== hmac2) {
|
|
throw new GraphQLError('bad hmac', { extensions: { code: 'FORBIDDEN' } })
|
|
}
|
|
await cancelHodlInvoice({ id: hash, lnd })
|
|
const inv = await serialize(models,
|
|
models.invoice.update({
|
|
where: {
|
|
hash
|
|
},
|
|
data: {
|
|
cancelled: true
|
|
}
|
|
}))
|
|
return inv
|
|
}
|
|
},
|
|
|
|
Withdrawl: {
|
|
satsPaying: w => msatsToSats(w.msatsPaying),
|
|
satsPaid: w => msatsToSats(w.msatsPaid),
|
|
satsFeePaying: w => msatsToSats(w.msatsFeePaying),
|
|
satsFeePaid: w => msatsToSats(w.msatsFeePaid)
|
|
},
|
|
|
|
Invoice: {
|
|
satsReceived: i => msatsToSats(i.msatsReceived),
|
|
satsRequested: i => msatsToSats(i.msatsRequested)
|
|
},
|
|
|
|
Fact: {
|
|
item: async (fact, args, { models }) => {
|
|
if (fact.type !== 'spent' && fact.type !== 'stacked') {
|
|
return null
|
|
}
|
|
const [item] = await models.$queryRawUnsafe(`
|
|
${SELECT}
|
|
FROM "Item"
|
|
WHERE id = $1`, Number(fact.factId))
|
|
|
|
return item
|
|
},
|
|
sats: fact => msatsToSatsDecimal(fact.msats),
|
|
satsFee: fact => msatsToSatsDecimal(fact.msatsFee)
|
|
}
|
|
}
|
|
|
|
async function createWithdrawal (parent, { invoice, maxFee }, { me, models, lnd }) {
|
|
await ssValidate(withdrawlSchema, { invoice, maxFee })
|
|
|
|
// remove 'lightning:' prefix if present
|
|
invoice = invoice.replace(/^lightning:/, '')
|
|
|
|
// decode invoice to get amount
|
|
let decoded
|
|
try {
|
|
decoded = await decodePaymentRequest({ lnd, request: invoice })
|
|
} catch (error) {
|
|
console.log(error)
|
|
throw new GraphQLError('could not decode invoice', { extensions: { code: 'BAD_INPUT' } })
|
|
}
|
|
|
|
if (!decoded.mtokens || BigInt(decoded.mtokens) <= 0) {
|
|
throw new GraphQLError('your invoice must specify an amount', { extensions: { code: 'BAD_INPUT' } })
|
|
}
|
|
|
|
const msatsFee = Number(maxFee) * 1000
|
|
|
|
const user = await models.user.findUnique({ where: { id: me.id } })
|
|
|
|
// create withdrawl transactionally (id, bolt11, amount, fee)
|
|
const [withdrawl] = await serialize(models,
|
|
models.$queryRaw`SELECT * FROM create_withdrawl(${decoded.id}, ${invoice},
|
|
${Number(decoded.mtokens)}, ${msatsFee}, ${user.name})`)
|
|
|
|
payViaPaymentRequest({
|
|
lnd,
|
|
request: invoice,
|
|
// can't use max_fee_mtokens https://github.com/alexbosworth/ln-service/issues/141
|
|
max_fee: Number(maxFee),
|
|
pathfinding_timeout: 30000
|
|
})
|
|
|
|
return withdrawl
|
|
}
|