Merge pull request #5981

2703412 Fix default binary in p2p tests to use environment variable (Suhas Daftuar)
29bff0e Add some travis debugging for python scripts (Suhas Daftuar)
d76412b Add script manipulation tools for use in mininode testing framework (Suhas Daftuar)
b93974c Add comparison tool test runner, built on mininode (Suhas Daftuar)
6c1d1ba Python p2p testing framework (Suhas Daftuar)

1 files changed, 65 insertions, 0 deletions

diff --git a/qa/rpc-tests/blocktools.py b/qa/rpc-tests/blocktools.py
new file mode 100644
index 0000000000..f397fe7cd6
--- /dev/null
+++ b/qa/rpc-tests/blocktools.py
@@ -0,0 +1,65 @@
+# blocktools.py - utilities for manipulating blocks and transactions
+#
+# Distributed under the MIT/X11 software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+#
+
+from mininode import *
+from script import CScript, CScriptOp
+
+# Create a block (with regtest difficulty)
+def create_block(hashprev, coinbase, nTime=None):
+    block = CBlock()
+    if nTime is None:
+        import time
+        block.nTime = int(time.time()+600)
+    else:
+        block.nTime = nTime
+    block.hashPrevBlock = hashprev
+    block.nBits = 0x207fffff # Will break after a difficulty adjustment...
+    block.vtx.append(coinbase)
+    block.hashMerkleRoot = block.calc_merkle_root()
+    block.calc_sha256()
+    return block
+
+def serialize_script_num(value):
+    r = bytearray(0)
+    if value == 0:
+        return r
+    neg = value < 0
+    absvalue = -value if neg else value
+    while (absvalue):
+        r.append(chr(absvalue & 0xff))
+        absvalue >>= 8
+    if r[-1] & 0x80:
+        r.append(0x80 if neg else 0)
+    elif neg:
+        r[-1] |= 0x80
+    return r
+
+counter=1
+# Create an anyone-can-spend coinbase transaction, assuming no miner fees
+def create_coinbase(heightAdjust = 0):
+    global counter
+    coinbase = CTransaction()
+    coinbase.vin.append(CTxIn(COutPoint(0, 0xffffffff), 
+                ser_string(serialize_script_num(counter+heightAdjust)), 0xffffffff))
+    counter += 1
+    coinbaseoutput = CTxOut()
+    coinbaseoutput.nValue = 50*100000000
+    halvings = int((counter+heightAdjust)/150) # regtest
+    coinbaseoutput.nValue >>= halvings
+    coinbaseoutput.scriptPubKey = ""
+    coinbase.vout = [ coinbaseoutput ]
+    coinbase.calc_sha256()
+    return coinbase
+
+# Create a transaction with an anyone-can-spend output, that spends the
+# nth output of prevtx.
+def create_transaction(prevtx, n, sig, value):
+    tx = CTransaction()
+    assert(n < len(prevtx.vout))
+    tx.vin.append(CTxIn(COutPoint(prevtx.sha256, n), sig, 0xffffffff))
+    tx.vout.append(CTxOut(value, ""))
+    tx.calc_sha256()
+    return tx