[pos] improve payment processing

- cancel orders that have been abandoned and will not be paid
- show unpaid orders in history (in case one makes it through)
- set deadlines when creating orders in case it helps with enabling
  refunds

1 files changed, 4 insertions, 2 deletions

diff --git a/merchant-lib/src/main/java/net/taler/merchantlib/PostOrderRequest.kt b/merchant-lib/src/main/java/net/taler/merchantlib/PostOrderRequest.kt
index 4854a80..783dd19 100644
--- a/merchant-lib/src/main/java/net/taler/merchantlib/PostOrderRequest.kt
+++ b/merchant-lib/src/main/java/net/taler/merchantlib/PostOrderRequest.kt
@@ -25,12 +25,14 @@ import kotlinx.serialization.Serializer
 import kotlinx.serialization.json.JsonInput
 import kotlinx.serialization.json.JsonObject
 import net.taler.common.ContractTerms
+import net.taler.common.Duration
 
 @Serializable
 data class PostOrderRequest(
     @SerialName("order")
-    val contractTerms: ContractTerms
-
+    val contractTerms: ContractTerms,
+    @SerialName("refund_delay")
+    val refundDelay: Duration? = null
 )
 
 @Serializable