[taler-wallet-core] 01/02: comment

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dold pushed a commit to branch master
in repository wallet-core.

commit c51b372abeba8cab9500d6cc7198ba38bee30737
Author: Florian Dold <florian@dold.me>
AuthorDate: Tue Jun 22 14:55:54 2021 +0200

    comment
---
 packages/taler-wallet-core/src/operations/pay.ts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/packages/taler-wallet-core/src/operations/pay.ts 
b/packages/taler-wallet-core/src/operations/pay.ts
index e662ee72..71f11c96 100644
--- a/packages/taler-wallet-core/src/operations/pay.ts
+++ b/packages/taler-wallet-core/src/operations/pay.ts
@@ -368,6 +368,15 @@ export async function getCandidatePayCoins(
   };
 }
 
+/**
+ * Apply a coin selection to the database.  Marks coins as spent
+ * and creates a refresh session for the remaining amount.
+ *
+ * FIXME:  This does not deal well with conflicting spends!
+ * When two payments are made in parallel, the same coin can be selected
+ * for two payments.
+ * However, this is a situation that can also happen via sync.
+ */
 export async function applyCoinSpend(
   ws: InternalWalletState,
   tx: GetReadWriteAccess<{

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