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validate swap from quote

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shocknet-justin 2025-12-18 01:34:43 -05:00
parent 6e0b19883b
commit c9305c34e8
1 changed files with 16 additions and 2 deletions
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18
src/services/main/paymentManager.ts
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@ -518,9 +518,22 @@ export default class {
this.swaps.reverseSwaps.SubscribeToTransactionSwap(data, result => {
swapResult = result
})
// Validate that the invoice amount matches what was quoted
const decoded = await this.lnd.DecodeInvoice(txSwap.invoice)
if (decoded.numSatoshis !== txSwap.invoice_amount) {
throw new Error("swap invoice amount does not match quote")
}
const fees = this.GetFees()
let payment: Types.PayInvoiceResponse
try {
payment = await this.PayInvoice(ctx.user_id, { amount: 0, invoice: txSwap.invoice }, app, { swapOperationId: req.swap_operation_id })
payment = await this.PayInvoice(ctx.user_id, {
amount: 0,
invoice: txSwap.invoice,
expected_fees: {
outboundFeeFloor: fees.outboundFeeFloor,
serviceFeeBps: fees.serviceFeeBps
}
}, app, { swapOperationId: req.swap_operation_id })
if (!swapResult.ok) {
this.log("invoice payment successful, but swap failed")
await this.storage.paymentStorage.FailTransactionSwap(req.swap_operation_id, req.address, swapResult.error)
@ -581,6 +594,8 @@ export default class {
async ListSwaps(ctx: Types.UserContext): Promise<Types.SwapsList> {
const swaps = await this.storage.paymentStorage.ListCompletedSwaps(ctx.app_user_id)
const pendingSwaps = await this.storage.paymentStorage.ListPendingTransactionSwaps(ctx.app_user_id)
const app = await this.storage.applicationStorage.GetApplication(ctx.app_id)
const isManagedUser = ctx.user_id !== app.owner.user_id
return {
swaps: swaps.map(s => {
const p = s.payment
@ -594,7 +609,6 @@ export default class {
}
}),
quotes: pendingSwaps.map(s => {
const isManagedUser = true // ListSwaps is only called by app users
const serviceFee = this.getSendServiceFee(Types.UserOperationType.OUTGOING_INVOICE, s.invoice_amount, isManagedUser)
return {
swap_operation_id: s.swap_operation_id,