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-rw-r--r--qa/rpc-tests/test_framework/util.py18
1 files changed, 18 insertions, 0 deletions
diff --git a/qa/rpc-tests/test_framework/util.py b/qa/rpc-tests/test_framework/util.py
index dd39406036..83216fc737 100644
--- a/qa/rpc-tests/test_framework/util.py
+++ b/qa/rpc-tests/test_framework/util.py
@@ -437,6 +437,24 @@ def create_confirmed_utxos(fee, node, count):
assert(len(utxos) >= count)
return utxos
+def gen_return_txouts():
+ # Some pre-processing to create a bunch of OP_RETURN txouts to insert into transactions we create
+ # So we have big transactions (and therefore can't fit very many into each block)
+ # create one script_pubkey
+ script_pubkey = "6a4d0200" #OP_RETURN OP_PUSH2 512 bytes
+ for i in xrange (512):
+ script_pubkey = script_pubkey + "01"
+ # concatenate 128 txouts of above script_pubkey which we'll insert before the txout for change
+ txouts = "81"
+ for k in xrange(128):
+ # add txout value
+ txouts = txouts + "0000000000000000"
+ # add length of script_pubkey
+ txouts = txouts + "fd0402"
+ # add script_pubkey
+ txouts = txouts + script_pubkey
+ return txouts
+
def create_lots_of_big_transactions(node, txouts, utxos, fee):
addr = node.getnewaddress()
txids = []