From dcb98466b4f8193fc28656d17b2317f21665fa3a Mon Sep 17 00:00:00 2001
From: Daniel Kraft <d@domob.eu>
Date: Mon, 20 Oct 2014 14:14:04 +0200
Subject: Extend getchaintips RPC test.

Add the capability to simulate network splits to the RPC test framework
and use it to do more extensive testing of 'getchaintips'.
---
 qa/rpc-tests/smartfees.py | 48 +++++++++++++++++++++++------------------------
 1 file changed, 24 insertions(+), 24 deletions(-)

(limited to 'qa/rpc-tests/smartfees.py')

diff --git a/qa/rpc-tests/smartfees.py b/qa/rpc-tests/smartfees.py
index 352a1de2d0..065bdb01c3 100755
--- a/qa/rpc-tests/smartfees.py
+++ b/qa/rpc-tests/smartfees.py
@@ -10,48 +10,48 @@ from util import *
 
 class EstimateFeeTest(BitcoinTestFramework):
 
-    def setup_network(self, test_dir):
-        nodes = []
-        nodes.append(start_node(0, test_dir,
+    def setup_network(self):
+        self.nodes = []
+        self.nodes.append(start_node(0, self.options.tmpdir,
                             ["-debug=mempool", "-debug=estimatefee"]))
         # Node1 mines small-but-not-tiny blocks, and allows free transactions.
         # NOTE: the CreateNewBlock code starts counting block size at 1,000 bytes,
         # so blockmaxsize of 2,000 is really just 1,000 bytes (room enough for
         # 6 or 7 transactions)
-        nodes.append(start_node(1, test_dir,
+        self.nodes.append(start_node(1, self.options.tmpdir,
                                 ["-blockprioritysize=1500", "-blockmaxsize=2000",
                                  "-debug=mempool", "-debug=estimatefee"]))
-        connect_nodes(nodes[1], 0)
+        connect_nodes(self.nodes[1], 0)
 
         # Node2 is a stingy miner, that
         # produces very small blocks (room for only 3 or so transactions)
         node2args = [ "-blockprioritysize=0", "-blockmaxsize=1500",
                       "-debug=mempool", "-debug=estimatefee"]
-        nodes.append(start_node(2, test_dir, node2args))
-        connect_nodes(nodes[2], 0)
+        self.nodes.append(start_node(2, self.options.tmpdir, node2args))
+        connect_nodes(self.nodes[2], 0)
 
-        sync_blocks(nodes)
-        return nodes
+        self.is_network_split = False
+        self.sync_all()
         
 
-    def run_test(self, nodes):
+    def run_test(self):
         # Prime the memory pool with pairs of transactions
         # (high-priority, random fee and zero-priority, random fee)
         min_fee = Decimal("0.001")
         fees_per_kb = [];
         for i in range(12):
-            (txid, txhex, fee) = random_zeropri_transaction(nodes, Decimal("1.1"),
+            (txid, txhex, fee) = random_zeropri_transaction(self.nodes, Decimal("1.1"),
                                                             min_fee, min_fee, 20)
             tx_kbytes = (len(txhex)/2)/1000.0
             fees_per_kb.append(float(fee)/tx_kbytes)
 
         # Mine blocks with node2 until the memory pool clears:
-        count_start = nodes[2].getblockcount()
-        while len(nodes[2].getrawmempool()) > 0:
-            nodes[2].setgenerate(True, 1)
-            sync_blocks(nodes)
+        count_start = self.nodes[2].getblockcount()
+        while len(self.nodes[2].getrawmempool()) > 0:
+            self.nodes[2].setgenerate(True, 1)
+            self.sync_all()
 
-        all_estimates = [ nodes[0].estimatefee(i) for i in range(1,20) ]
+        all_estimates = [ self.nodes[0].estimatefee(i) for i in range(1,20) ]
         print("Fee estimates, super-stingy miner: "+str([str(e) for e in all_estimates]))
 
         # Estimates should be within the bounds of what transactions fees actually were:
@@ -63,25 +63,25 @@ class EstimateFeeTest(BitcoinTestFramework):
         # Generate transactions while mining 30 more blocks, this time with node1:
         for i in range(30):
             for j in range(random.randrange(6-4,6+4)):
-                (txid, txhex, fee) = random_transaction(nodes, Decimal("1.1"),
+                (txid, txhex, fee) = random_transaction(self.nodes, Decimal("1.1"),
                                                         Decimal("0.0"), min_fee, 20)
                 tx_kbytes = (len(txhex)/2)/1000.0
                 fees_per_kb.append(float(fee)/tx_kbytes)
-            nodes[1].setgenerate(True, 1)
-            sync_blocks(nodes)
+            self.nodes[1].setgenerate(True, 1)
+            self.sync_all()
 
-        all_estimates = [ nodes[0].estimatefee(i) for i in range(1,20) ]
+        all_estimates = [ self.nodes[0].estimatefee(i) for i in range(1,20) ]
         print("Fee estimates, more generous miner: "+str([ str(e) for e in all_estimates]))
         for e in filter(lambda x: x >= 0, all_estimates):
             if float(e)+delta < min(fees_per_kb) or float(e)-delta > max(fees_per_kb):
                 raise AssertionError("Estimated fee (%f) out of range (%f,%f)"%(float(e), min_fee_kb, max_fee_kb))
 
         # Finish by mining a normal-sized block:
-        while len(nodes[0].getrawmempool()) > 0:
-            nodes[0].setgenerate(True, 1)
-            sync_blocks(nodes)
+        while len(self.nodes[0].getrawmempool()) > 0:
+            self.nodes[0].setgenerate(True, 1)
+            self.sync_all()
 
-        final_estimates = [ nodes[0].estimatefee(i) for i in range(1,20) ]
+        final_estimates = [ self.nodes[0].estimatefee(i) for i in range(1,20) ]
         print("Final fee estimates: "+str([ str(e) for e in final_estimates]))
 
 
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