libeufin

commit 51ef739f19b05877f201ae179369d5ea7f29c09a
parent 5fdd3bb2bbf2021845e25f43e997e59afe490421
Author: ms <ms@taler.net>
Date:   Mon, 31 Jan 2022 15:08:05 +0100

block wire transfers of zero

Diffstat:
M
sandbox/src/main/kotlin/tech/libeufin/sandbox/Helpers.kt
 | 
4
+++-

1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/sandbox/src/main/kotlin/tech/libeufin/sandbox/Helpers.kt b/sandbox/src/main/kotlin/tech/libeufin/sandbox/Helpers.kt
@@ -29,6 +29,7 @@ import org.jetbrains.exposed.sql.SqlExpressionBuilder.eq
 import org.jetbrains.exposed.sql.and
 import org.jetbrains.exposed.sql.transactions.transaction
 import tech.libeufin.util.*
+import java.math.BigDecimal
 
 /**
  * Helps to communicate Camt values without having
@@ -252,7 +253,8 @@ fun wireTransfer(
     amount: String,
 ): String {
     // sanity check on the amount, no currency allowed here.
-    parseDecimal(amount)
+    val checkAmount = parseDecimal(amount)
+    if (checkAmount == BigDecimal.ZERO) throw badRequest("Wire transfers of zero not possible.")
     val timeStamp = getUTCnow().toInstant().toEpochMilli()
     val transactionRef = getRandomString(8)
     transaction {