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I created a bitcoin transaction from lnd (lncli sendcoins), and it seems to be created successfully and I can see it in my local bitcoind mempool:

bitcoin-cli getmempoolentry abdctxid {
 "vsize": 130,
 "weight": 520,
 "time": 1692559301,
 "height": 804102,
 "descendantcount": 1,
 "descendantsize": 130,
 "ancestorcount": 1,
 "ancestorsize": 130,
 "wtxid": "bcdetxid",
 "fees": {
   "base": 0.00000786,
   "modified": 0.00000786,
   "ancestor": 0.00000786,
   "descendant": 0.00000786
 },
 "depends": [
 ],
 "spentby": [
 ],
 "bip125-replaceable": false,
 "unbroadcast": false
}

It is however not being broadcasted further, the receiver did not see the transaction, and it is not visible in various online explorers.

Using Bitcoin Core v23.0.0. The only non-default setting in my config is minrelaytxfee=0.00000011 blockmintxfee=0.00000011 maxmempool=300.

As far as I know this is the first time in years it happened to my node. What could be the reason for the transaction being stuck in my local mempool and is there a way to force-rebroadcast it further?

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    It's hard to tell with so little information. Anything else uncommon? Do you have peers at all (getpeerinfo)? Any high CPU usage from the bitcoind process? Anything peculiar in the debug.log? Have you tried upgrading you bitcoind to the latest (25.0) version or at least the patched (23.2) version? Aug 24, 2023 at 8:30
  • Thanks for directions! getpeerinfo shows ~50 peers, no suspiciously high CPU usage, upgrading to 23.2 does not help. Grepping debug.log for the txid or "mempool" or "err" does not show anything interesting. Really not sure what else to check... Aug 24, 2023 at 11:51
  • Out of all the things, restarting lnd helped! Maybe there is some logic on the wallet side that forced transaction to be rebroadcasted, but now it is visible to other nodes as well. Still super weird that this happened though. Aug 24, 2023 at 12:03

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