1 files changed, 27 insertions, 13 deletions
diff --git a/packages/demobank-ui/src/hooks/circuit.ts b/packages/demobank-ui/src/hooks/circuit.ts
index 384e48259..f87cbd843 100644
--- a/packages/demobank-ui/src/hooks/circuit.ts
+++ b/packages/demobank-ui/src/hooks/circuit.ts
@@ -93,10 +93,15 @@ export function useCashinEstimator(): ConversionEstimators {
         credit: fiatAmount,
       });
       if (resp.type === "fail") {
-        // can't happen
-        // not-supported: it should not be able to call this function
-        // wrong-calculation: we are using just one parameter
-        throw TalerError.fromDetail(resp.detail.code, {}, resp.detail.hint);
+        switch (resp.case) {
+          case HttpStatusCode.Conflict: {
+            return "amount-is-too-small"
+          }
+          // this below can't happen
+          case HttpStatusCode.NotImplemented: //it should not be able to call this function
+          case HttpStatusCode.BadRequest: //we are using just one parameter
+            throw TalerError.fromDetail(resp.detail.code, {}, resp.detail.hint);
+        }
       }
       const credit = Amounts.parseOrThrow(resp.body.amount_credit);
       const debit = Amounts.parseOrThrow(resp.body.amount_debit);
@@ -113,10 +118,15 @@ export function useCashinEstimator(): ConversionEstimators {
         debit: regionalAmount,
       });
       if (resp.type === "fail") {
-        // can't happen
-        // not-supported: it should not be able to call this function
-        // wrong-calculation: we are using just one parameter
-        throw TalerError.fromDetail(resp.detail.code, {}, resp.detail.hint);
+        switch (resp.case) {
+          case HttpStatusCode.Conflict: {
+            return "amount-is-too-small"
+          }
+          // this below can't happen
+          case HttpStatusCode.NotImplemented: //it should not be able to call this function
+          case HttpStatusCode.BadRequest: //we are using just one parameter
+            throw TalerError.fromDetail(resp.detail.code, {}, resp.detail.hint);
+        }
       }
       const credit = Amounts.parseOrThrow(resp.body.amount_credit);
       const debit = Amounts.parseOrThrow(resp.body.amount_debit);
@@ -148,7 +158,6 @@ export function useCashoutEstimator(): ConversionEstimators {
           case HttpStatusCode.BadRequest: //we are using just one parameter
             throw TalerError.fromDetail(resp.detail.code, {}, resp.detail.hint);
         }
-
       }
       const credit = Amounts.parseOrThrow(resp.body.amount_credit);
       const debit = Amounts.parseOrThrow(resp.body.amount_debit);
@@ -165,10 +174,15 @@ export function useCashoutEstimator(): ConversionEstimators {
         debit: regionalAmount,
       });
       if (resp.type === "fail") {
-        // can't happen
-        // not-supported: it should not be able to call this function
-        // wrong-calculation: we are using just one parameter
-        throw TalerError.fromDetail(resp.detail.code, {}, resp.detail.hint);
+        switch (resp.case) {
+          case HttpStatusCode.Conflict: {
+            return "amount-is-too-small"
+          }
+          // this below can't happen
+          case HttpStatusCode.NotImplemented: //it should not be able to call this function
+          case HttpStatusCode.BadRequest: //we are using just one parameter
+            throw TalerError.fromDetail(resp.detail.code, {}, resp.detail.hint);
+        }
       }
       const credit = Amounts.parseOrThrow(resp.body.amount_credit);
       const debit = Amounts.parseOrThrow(resp.body.amount_debit);