Fix Moonpay direction detection and partner config edge cases

Author: cursoragent

src/partners/bitrefill.ts

@@ -279,10 +279,9 @@ export function processBitrefillTx(
   const timestamp = tx.invoiceTime / 1000
 
   const { paymentMethod } = tx
-  let depositAmountStr: string | undefined
-  if (paymentMethod === 'bitcoin') {
-    depositAmountStr = tx.btcPrice
-  } else if (tx.altcoinPrice != null) {
+  // Fallback to btcPrice when altcoinPrice is unexpectedly missing.
+  let depositAmountStr: string | undefined = tx.btcPrice
+  if (paymentMethod !== 'bitcoin' && tx.altcoinPrice != null) {
     depositAmountStr = tx.altcoinPrice
   }
   if (depositAmountStr == null) {

src/partners/letsexchange.ts

@@ -40,8 +40,8 @@ export const asLetsExchangePluginParams = asObject({
     latestIsoDate: asOptional(asString, LETSEXCHANGE_START_DATE)
   }),
   apiKeys: asObject({
-    affiliateId: asString,
-    apiKey: asString
+    affiliateId: asOptional(asString),
+    apiKey: asOptional(asString)
   })
 })
 
@@ -484,6 +484,10 @@ export async function processLetsExchangeTx(
   const { apiKey } = apiKeys
   const { log } = pluginParams
 
+  if (apiKey == null) {
+    throw new Error('Missing LetsExchange apiKey')
+  }
+
   await fetchCoinCache(apiKey, log)
 
   const tx = asLetsExchangeTx(rawTx)

src/partners/moonpay.ts

@@ -312,9 +312,14 @@ export function processTx(rawTx: unknown): StandardTx {
   // Map Moonpay status to Edge status
   const status: Status = statusMap[tx.status] ?? 'other'
 
-  // Determine direction based on paymentMethod vs payoutMethod
-  // Buy transactions have paymentMethod, sell transactions have payoutMethod
-  const direction = tx.paymentMethod != null ? 'buy' : 'sell'
+  // Determine direction based on sell-specific fields.
+  // Sell transactions can also include paymentMethod, so that field alone is insufficient.
+  const direction =
+    tx.quoteCurrency != null ||
+    tx.payoutMethod != null ||
+    tx.depositHash != null
+      ? 'sell'
+      : 'buy'
 
   // Get the payout currency - different field names for buy vs sell
   const payoutCurrency = direction === 'buy' ? tx.currency : tx.quoteCurrency