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myarbrough@oreilly.com 2014-11-19 08:57:18 -08:00
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@ -171,11 +171,13 @@ If we run the _select-utxo.py_ script without a parameter, it will attempt to co
[[select_utxo_run]]
.Running the select-utxo.py script
====
----
++++
<screen>
$ python select-utxo.py 50000000
For transaction amount 50000000 Satoshis (0.500000 bitcoin) use:
([<7dbc497969c7475e45d952c4a872e213fb15d45e5cd3473c386a71a1b0c136a1:0 with 25000000 Satoshis>, <7f42eda67921ee92eae5f79bd37c68c9cb859b899ce70dba68c48338857b7818:0 with 16100000 Satoshis>, <6596fd070679de96e405d52b51b8e1d644029108ec4cbfe451454486796a1ecf:0 with 16050000 Satoshis>], 'Change: 7150000 Satoshis')
----
([<7dbc497969c7475e45d952c4a872e213fb15d45e5cd3473c386a71a1b0c136a1:0 with 25000000 Satoshis>, <7f42eda67921ee92eae5f79bd37c68c9cb859b899ce70dba68c48338857b7818:0 with 16100000 Satoshis>, <6596fd070679de96e405d52b51b8e1d644029108ec4cbfe451454486796a1ecf:0<?pdf-cr?> with 16050000 Satoshis>], 'Change: 7150000 Satoshis')
</screen>
++++
====
Once the UTXO is selected, the wallet then produces unlocking scripts containing signatures for each of the UTXO, thereby making them spendable by satisfying their locking script conditions. The wallet adds these UTXO references and unlocking scripts as inputs to the transaction. <<tx_in_structure>> shows the structure of a transaction input.