147 lines
4.2 KiB
JavaScript
147 lines
4.2 KiB
JavaScript
import { authenticatedLndGrpc, createInvoice as lndCreateInvoice, getIdentity, decodePaymentRequest } from 'ln-service'
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import { msatsToSats, satsToMsats } from '@/lib/format'
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// import { datePivot } from '@/lib/time'
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import { createWithdrawal, /* sendToLnAddr, */ addWalletLog, SERVER_WALLET_DEFS } from '@/api/resolvers/wallet'
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// import { createInvoice as createInvoiceCLN } from '@/lib/cln'
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export async function autoWithdraw ({ data: { id }, models, lnd }) {
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const user = await models.user.findUnique({ where: { id } })
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if (user.autoWithdrawThreshold === null || user.autoWithdrawMaxFeePercent === null) return
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const threshold = satsToMsats(user.autoWithdrawThreshold)
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const excess = Number(user.msats - threshold)
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// excess must be greater than 10% of threshold
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if (excess < Number(threshold) * 0.1) return
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const maxFee = msatsToSats(Math.ceil(excess * (user.autoWithdrawMaxFeePercent / 100.0)))
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const amount = msatsToSats(excess) - maxFee
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// must be >= 1 sat
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if (amount < 1) return
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// check that
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// 1. the user doesn't have an autowithdraw pending
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// 2. we have not already attempted to autowithdraw this fee recently
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const [pendingOrFailed] = await models.$queryRaw`
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SELECT EXISTS(
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SELECT *
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FROM "Withdrawl"
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WHERE "userId" = ${id} AND "autoWithdraw"
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AND (status IS NULL
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OR (
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status <> 'CONFIRMED' AND
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now() < created_at + interval '1 hour' AND
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"msatsFeePaying" >= ${satsToMsats(maxFee)}
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))
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)`
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if (pendingOrFailed.exists) return
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// get the wallets in order of priority
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const wallets = await models.wallet.findMany({
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where: { userId: user.id, enabled: true },
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orderBy: [
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{ priority: 'desc' },
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// use id as tie breaker (older wallet first)
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{ id: 'asc' }
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]
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})
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for (const wallet of wallets) {
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const w = SERVER_WALLET_DEFS.find(({ default: w }) => w.server.walletType === wallet.type)
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try {
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const { server: { walletType, walletField, createInvoice } } = w.default
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return await autowithdraw(
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{ walletType, walletField, createInvoice },
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{ amount, maxFee },
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{ me: user, models, lnd }
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)
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} catch (error) {
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console.error(error)
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// LND errors are in this shape: [code, type, { err: { code, details, metadata } }]
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const details = error[2]?.err?.details || error.message || error.toString?.()
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await addWalletLog({
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wallet,
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level: 'ERROR',
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message: 'autowithdrawal failed: ' + details
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}, { me: user, models })
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}
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}
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// none of the wallets worked
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}
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async function autowithdraw (
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{ walletType, walletField, createInvoice: walletCreateInvoice },
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{ amount, maxFee },
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{ me, models, lnd }) {
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if (!me) {
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throw new Error('me not specified')
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}
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const wallet = await models.wallet.findFirst({
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where: {
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userId: me.id,
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type: walletType
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},
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include: {
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[walletField]: true
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}
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})
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if (!wallet || !wallet[walletField]) {
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throw new Error(`no ${walletType} wallet found`)
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}
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const bolt11 = await walletCreateInvoice(
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{ amount, maxFee },
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wallet[walletField],
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{
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me,
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models,
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lnd,
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lnService: {
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authenticatedLndGrpc,
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createInvoice: lndCreateInvoice,
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getIdentity,
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decodePaymentRequest
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}
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})
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return await createWithdrawal(null, { invoice: bolt11, maxFee }, { me, models, lnd, walletId: wallet.id })
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}
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// async function autowithdrawCLN ({ amount, maxFee }, { me, models, lnd }) {
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// if (!me) {
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// throw new Error('me not specified')
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// }
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//
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// const wallet = await models.wallet.findFirst({
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// where: {
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// userId: me.id,
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// type: Wallet.CLN.type
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// },
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// include: {
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// walletCLN: true
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// }
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// })
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//
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// if (!wallet || !wallet.walletCLN) {
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// throw new Error('no cln wallet found')
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// }
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//
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// const { walletCLN: { cert, rune, socket } } = wallet
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//
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// const inv = await createInvoiceCLN({
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// socket,
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// rune,
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// cert,
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// description: me.hideInvoiceDesc ? undefined : 'autowithdraw to CLN from SN',
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// msats: amount + 'sat',
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// expiry: 360
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// })
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//
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// return await createWithdrawal(null, { invoice: inv.bolt11, maxFee }, { me, models, lnd, walletId: wallet.id })
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// }
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