Can a channel be closed while the funding fee is still stuck in the mempool?
As an Ethereum developer, you are probably no stranger to trying to create a channel while it is stuck in the mempool. In this article, we will explore whether there is a way to close a channel that has been delayed for more than a week due to the low funding transaction fee.
Understanding the mempool
A mempool is a decentralized network that stores transactions that are waiting to be confirmed by Ethereum nodes. It is a vital part of the blockchain because it allows transactions to be settled efficiently and quickly. However, issues with the mempool can delay the creation and closure of a channel.
The Problem: Low Payment Transaction Fee
When you create a new channel on the Ethereum network, the funding transaction is sent directly to the mempool to start the channel. If this transaction has a low fee, it may not be processed immediately, resulting in a delay in the creation of the channel.
In your case, you recently tried to open a channel, but accidentally set the funding transaction fee too low. This has caused the funding tx to get stuck in the mempool for over a week. But is there a way to close this channel while it is still stuck?
Closing a channel with a low funding fee
While closing a channel that has been delayed due to a low funding transaction fee can be difficult, it is not impossible. Here are some possible solutions:
- Use the
txStatusfield: You can check whether the funding tx has a transaction status of `
pending'' orstuck''. If so, you may be able to use this information to close the channel. However, note that this approach requires knowledge of the specific channel and its transactions.
- Use the`txConfirmations” field
. Another option is to check if the funding tx has reached a certain number of confirmations (i.e. “confirmed”) in the mempool. If so, you can close the channel by sending a “close” transaction to the channel.
- Wait a long time: Unfortunately, there is no easy way to wait out the low funding fee issue without manually closing the channel or waiting for other confirmation transactions to occur.
Conclusion
While closing a channel with a low funding fee is difficult and may not be possible in all cases, it is not impossible. By understanding how the mempool works and using the appropriate fields from the funding tx, you may be able to close the channel while it is still stuck.
However, if this problem persists, it is recommended to:
- Wait for more confirmation transactions in the mempool
- Consider manually closing the channel or seeking help from an experienced developer
In any case, don’t forget to keep an eye on your channel and its status to avoid similar problems in the future.

