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test: refactor: dedup utility function chain_transaction()

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This commit is contained in:
Sebastian Falbesoner
2021-06-01 15:56:38 +02:00
parent e638acf697
commit 6e63e366d6
3 changed files with 41 additions and 50 deletions
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18
test/functional/test_framework/util.py
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@@ -481,6 +481,24 @@ def create_confirmed_utxos(fee, node, count):
return utxos
# Build a transaction that spends parent_txid:vout
# Return amount sent
def chain_transaction(node, parent_txids, vouts, value, fee, num_outputs):
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():