[taler-wallet-core] branch master updated: fix totally broken withdrawal coin selection

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

The following commit(s) were added to refs/heads/master by this push:
     new bcd9e2e5 fix totally broken withdrawal coin selection
bcd9e2e5 is described below

commit bcd9e2e5ff7f14308c5298a257388afc398dc674
Author: Florian Dold <florian.dold@gmail.com>
AuthorDate: Thu Jul 16 15:13:52 2020 +0530

    fix totally broken withdrawal coin selection
---
 src/operations/withdraw.ts | 27 +++++++++------------------
 1 file changed, 9 insertions(+), 18 deletions(-)

diff --git a/src/operations/withdraw.ts b/src/operations/withdraw.ts
index fd850f14..41b77da8 100644
--- a/src/operations/withdraw.ts
+++ b/src/operations/withdraw.ts
@@ -162,6 +162,9 @@ export async function getBankWithdrawalInfo(
   };
 }
 
+/**
+ * Return denominations that can potentially used for a withdrawal.
+ */
 async function getPossibleDenoms(
   ws: InternalWalletState,
   exchangeBaseUrl: string,
@@ -458,24 +461,17 @@ export async function selectWithdrawalDenoms(
     throw Error(`exchange ${exchangeBaseUrl} details not available`);
   }
 
-  console.log("getting possible denoms");
-
-  const possibleDenoms = await getPossibleDenoms(ws, exchange.baseUrl);
-
-  console.log("got possible denoms");
-
   let allValid = false;
-
   let selectedDenoms: DenominationSelectionInfo;
 
+  // Find a denomination selection for the requested amount.
+  // If a selected denomination has not been validated yet
+  // and turns our to be invalid, we try again with the
+  // reduced set of denominations.
   do {
     allValid = true;
-    const nextPossibleDenoms = [];
-    selectedDenoms = getWithdrawDenomList(amount, possibleDenoms);
-    console.log("got withdraw denom list");
-    if (!selectedDenoms) {
-      console;
-    }
+    const nextPossibleDenoms = await getPossibleDenoms(ws, exchange.baseUrl);
+    selectedDenoms = getWithdrawDenomList(amount, nextPossibleDenoms);
     for (const denomSel of selectedDenoms.selectedDenoms) {
       const denom = denomSel.denom;
       if (denom.status === DenominationStatus.Unverified) {
@@ -488,17 +484,12 @@ export async function selectWithdrawalDenoms(
           allValid = false;
         } else {
           denom.status = DenominationStatus.VerifiedGood;
-          nextPossibleDenoms.push(denom);
         }
         await ws.db.put(Stores.denominations, denom);
-      } else {
-        nextPossibleDenoms.push(denom);
       }
     }
   } while (selectedDenoms.selectedDenoms.length > 0 && !allValid);
 
-  console.log("returning denoms");
-
   return selectedDenoms;
 }
 

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