diff options
Diffstat (limited to 'test/functional/test_framework')
| -rw-r--r-- | test/functional/test_framework/util.py | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/functional/test_framework/util.py b/test/functional/test_framework/util.py index 462019566c..f354ae0075 100644 --- a/test/functional/test_framework/util.py +++ b/test/functional/test_framework/util.py @@ -481,6 +481,28 @@ def create_confirmed_utxos(fee, node, count): return utxos +def chain_transaction(node, parent_txids, vouts, value, fee, num_outputs): + """Build and send a transaction that spends the given inputs (specified + by lists of parent_txid:vout each), with the desired total value and fee, + equally divided up to the desired number of outputs. + + Returns a tuple with the txid and the amount sent per output. + """ + send_value = satoshi_round((value - fee)/num_outputs) + inputs = [] + for (txid, vout) in zip(parent_txids, vouts): + inputs.append({'txid' : txid, 'vout' : vout}) + outputs = {} + for _ in range(num_outputs): + outputs[node.getnewaddress()] = send_value + rawtx = node.createrawtransaction(inputs, outputs, 0, True) + signedtx = node.signrawtransactionwithwallet(rawtx) + txid = node.sendrawtransaction(signedtx['hex']) + fulltx = node.getrawtransaction(txid, 1) + assert len(fulltx['vout']) == num_outputs # make sure we didn't generate a change output + return (txid, send_value) + + # Create large OP_RETURN txouts that can be appended to a transaction # to make it large (helper for constructing large transactions). def gen_return_txouts(): |