[libeufin] branch master updated: fix pagination

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ms pushed a commit to branch master
in repository libeufin.

The following commit(s) were added to refs/heads/master by this push:
     new 5083c9a3 fix pagination
5083c9a3 is described below

commit 5083c9a3d52c1ed65ed535c25b0264c355cdeff1
Author: ms <ms@taler.net>
AuthorDate: Tue Jan 11 19:05:08 2022 +0100

    fix pagination
---
 sandbox/src/main/kotlin/tech/libeufin/sandbox/Main.kt | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/sandbox/src/main/kotlin/tech/libeufin/sandbox/Main.kt 
b/sandbox/src/main/kotlin/tech/libeufin/sandbox/Main.kt
index f55fc72c..7da687c9 100644
--- a/sandbox/src/main/kotlin/tech/libeufin/sandbox/Main.kt
+++ b/sandbox/src/main/kotlin/tech/libeufin/sandbox/Main.kt
@@ -1330,13 +1330,14 @@ val sandboxApp: Application.() -> Unit = {
                         }
                         val lt: BankAccountTransactionEntity? = 
bankAccount.lastTransaction
                         if (lt == null) return@transaction
-                        var firstElement: BankAccountTransactionEntity = lt
+                        var nextPageIdUpperLimit: Long = lt.id.value
                         /**
                          * This loop fetches (and discards) pages until the
                          * desired one is found.  */
                         for (i in 0..(page)) {
-                            val pageBuf = getPage(firstElement.id.value)
-                            firstElement = pageBuf.last()
+                            val pageBuf = getPage(nextPageIdUpperLimit)
+                            if (pageBuf.none()) return@transaction
+                            nextPageIdUpperLimit = pageBuf.last().id.value - 1
                             if (i == page) pageBuf.forEach {
                                 
ret.add(getHistoryElementFromTransactionRow(it))
                             }

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