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fix(submit-api): handle MempoolTxTooSlow exceptions and improve retry logic #3337

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Merged
mkoura merged 1 commit into from
Feb 13, 2026
Merged

fix(submit-api): handle MempoolTxTooSlow exceptions and improve retry logic #3337

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10 changes: 7 additions & 3 deletions cardano_node_tests/utils/submit_api.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
"""Utilities for `cardano-submit-api` REST service."""

import binascii
import contextlib
import dataclasses
import json
import logging
Expand Down Expand Up @@ -66,13 +67,16 @@ def post_cbor(*, cbor_file: clusterlib.FileType, url: str) -> requests.Response:
if i > 1:
LOGGER.warning("Resubmitting transaction to submit-api.")

try:
response = None
with contextlib.suppress(requests.exceptions.ReadTimeout):
response = http_client.get_session().post(
url, headers=headers, data=cbor_binary, timeout=60
)
except requests.exceptions.ReadTimeout:

if response is not None and not response and "MempoolTxTooSlow" in response.text:
# Repeat the request as the transaction didn't make it to mempool
pass
else:
elif response is not None:
break

time.sleep(random.random())
Expand Down
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