From 5fe19d640e50373ddaa810e5bfff9764d9ac549e Mon Sep 17 00:00:00 2001
From: "Wladimir J. van der Laan" <laanwj@gmail.com>
Date: Fri, 20 Dec 2013 17:12:39 +0100
Subject: qt: make wallet test consistent

Add a function `WaitBlocks` to wait for blocks to propagate to all three
nodes, and use this instead of waiting a fixed time of one second.

Fixes #3445.
---
 qa/rpc-tests/util.sh   |  6 ++++++
 qa/rpc-tests/wallet.sh | 25 ++++++++++++++++++++-----
 2 files changed, 26 insertions(+), 5 deletions(-)

(limited to 'qa/rpc-tests')

diff --git a/qa/rpc-tests/util.sh b/qa/rpc-tests/util.sh
index dc2a319970..e4e3953748 100644
--- a/qa/rpc-tests/util.sh
+++ b/qa/rpc-tests/util.sh
@@ -82,3 +82,9 @@ function CreateTxn1 {
 function SendRawTxn {
   $CLI $1 sendrawtransaction $2
 }
+
+# Use: GetBlocks <datadir>
+# returns number of blocks from getinfo
+function GetBlocks {
+    ExtractKey blocks "$( $CLI $1 getinfo )"
+}
diff --git a/qa/rpc-tests/wallet.sh b/qa/rpc-tests/wallet.sh
index dd511782d0..118809a265 100755
--- a/qa/rpc-tests/wallet.sh
+++ b/qa/rpc-tests/wallet.sh
@@ -37,12 +37,27 @@ B3PID=$!
 
 trap "kill -9 $B1PID $B2PID $B3PID; rm -rf $D" EXIT
 
+# Wait until all three nodes are at the same block number
+function WaitBlocks {
+    while :
+    do
+        sleep 1
+        BLOCKS1=$( GetBlocks $B1ARGS )
+        BLOCKS2=$( GetBlocks $B2ARGS )
+        BLOCKS3=$( GetBlocks $B3ARGS )
+        if (( $BLOCKS1 == $BLOCKS2 && $BLOCKS2 == $BLOCKS3 ))
+        then
+            break
+        fi
+    done
+}
+
 # 1 block, 50 XBT each == 50 XBT
 $CLI $B1ARGS setgenerate true 1
-sleep 1  # sleep is necessary to let block broadcast
+WaitBlocks
 # 101 blocks, 1 mature == 50 XBT
 $CLI $B2ARGS setgenerate true 101
-sleep 1
+WaitBlocks
 
 CheckBalance $B1ARGS 50
 CheckBalance $B2ARGS 50
@@ -56,11 +71,11 @@ Send $B1ARGS $B3ARGS 10
 # Have B1 mine a new block, and mature it
 # to recover transaction fees
 $CLI $B1ARGS setgenerate true 1
-sleep 1
+WaitBlocks
 
 # Have B2 mine 100 blocks so B1's block is mature:
 $CLI $B2ARGS setgenerate true 100
-sleep 1
+WaitBlocks
 
 # B1 should end up with 100 XBT in block rewards plus fees,
 # minus the 21 XBT sent to B3:
@@ -77,7 +92,7 @@ RAWTXID2=$(SendRawTxn $B2ARGS $RAW2)
 
 # Have B2 mine a block to confirm transactions:
 $CLI $B2ARGS setgenerate true 1
-sleep 1 # allow time for block to be relayed
+WaitBlocks
 
 # Check balances after confirmation
 CheckBalance $B1ARGS 0
-- 
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