Holesky eth_getBlockByNumber pending issue

[martinboehm]

Hi, we are running this setup on Debian:

erigon/2.59.1/linux-amd64/go1.21.6
Prysm/v5.0.2 (linux amd64)
Holesky Testnet

We connect to Erigon using geth client library using websocket. Everything works fine with one exception. When calling eth_getBlockByNumber pending to get the list of mempool txids, we get a decoding block error, sometimes with additional info rlp: element is larger than containing list. It seems to be dependent on the content of the mempool as the call sometimes goes through and sometimes fail.

An example from our log:

decoding block from 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rlp: element is larger than containing list

We are not sure if it is Erigon or geth client issue. Could you give us some tip please what the issue could be?

[keithchew]

Just noting another ticket here with same issue:

#9402

[temuera]

mainnet same ++.
with geth library 1.13.15