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Make use of spent_at and unspent flag #210

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Merged
merged 2 commits into from
Apr 16, 2023
Merged

Make use of spent_at and unspent flag #210

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9fb711a
Make use of spent_at and unspent flag
nielstron Apr 16, 2023
fd3ce34
Fix actually filtering spent utxos out
nielstron Apr 16, 2023
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8 changes: 2 additions & 6 deletions pycardano/backend/ogmios.py
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Original file line number Diff line number Diff line change
Expand Up @@ -258,7 +258,7 @@ def _utxos_kupo(self, address: str) -> List[UTxO]:
"kupo_url object attribute has not been assigned properly."
)

kupo_utxo_url = self._kupo_url + "/matches/" + address
kupo_utxo_url = self._kupo_url + "/matches/" + address + "?unspent"
results = requests.get(kupo_utxo_url).json()

utxos = []
Expand All @@ -267,11 +267,7 @@ def _utxos_kupo(self, address: str) -> List[UTxO]:
tx_id = result["transaction_id"]
index = result["output_index"]

# Right now, all UTxOs of the address will be returned with Kupo, which requires Ogmios to
# validate if the UTxOs are spent with output reference. This feature is being considered to
# be added to Kupo to avoid extra API calls.
# See discussion here: https://github.com/CardanoSolutions/kupo/discussions/19.
if self._check_utxo_unspent(tx_id, index):
if result["spent_at"] is not None:
tx_in = TransactionInput.from_primitive([tx_id, index])

lovelace_amount = result["value"]["coins"]
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