fix(coprocessor): restrict update of computation completion to uncompleted computations

Author: antoniupop

…c82366742c1618f83dfd6b4da5db9492544.json …1a4cb7e13700a89267b53a3e7edfeb8b4cc.jsoncoprocessor/fhevm-engine/.sqlx/query-eda7c952325475562fbe1d1a5793ac82366742c1618f83dfd6b4da5db9492544.json renamed to coprocessor/fhevm-engine/.sqlx/query-5e57f8be36c4ccd8fb28fb36a71d81a4cb7e13700a89267b53a3e7edfeb8b4cc.json coprocessor/fhevm-engine/.sqlx/query-eda7c952325475562fbe1d1a5793ac82366742c1618f83dfd6b4da5db9492544.json renamed to coprocessor/fhevm-engine/.sqlx/query-5e57f8be36c4ccd8fb28fb36a71d81a4cb7e13700a89267b53a3e7edfeb8b4cc.json

@@ -738,6 +738,7 @@ async fn upload_transaction_graph_results<'a>(
                 UPDATE computations
                 SET is_completed = true, completed_at = CURRENT_TIMESTAMP
                 WHERE tenant_id = $1
+                AND is_completed = false
                 AND (output_handle, transaction_id) IN (
                     SELECT * FROM unnest($2::BYTEA[], $3::BYTEA[])
                 )