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Ethereum Bitcoin Transaction Error: Mempool Min Fee Not Met
As a frequent user of the Ethereum blockchain, it’s frustrating to encounter errors that prevent you from sending Bitcoin (BTC) and other cryptocurrencies. In this article, we’ll delve into the issue and provide solutions to help you resolve the “mempool min fee not met” error on your Bitcoind client.
What is Mempool?
In the Ethereum blockchain, a mempool is a queue of transactions waiting to be executed by the network. When a transaction has enough available space in the mempool and meets specific conditions (such as having sufficient balance and sufficient time since the last update), it can be executed, resulting in an “out-of-mempool” error.
Error #26: Mempool Min Fee Not Met
When you encounter the following message:
BitcoindException(super=com.neemre.btcdcli4j.core.BitcoindException:
Error #-26: 66: mempool min fee not met, code=-26)
it indicates that the Bitcoind client has encountered an error when trying to execute a transaction due to insufficient space in the mempool. This error can be caused by various factors, including:
- Insufficient available space in the mempool
- Excessive network congestion
- High demand for Bitcoin transactions
Solutions to Resolve Mempool Min Fee Not Met Error
To resolve this issue, follow these steps:
- Increase the mempool size: You can increase the mempool size by adding a
--max-memoryor--mempool-sizeparameter when running Bitcoind. For example:
* Using bitcoind -m 10000 increases the maximum available memory in the mempool to 10,000 bytes.
- Adjust network congestion: If the issue is caused by high network congestion, try reducing the number of connections or increasing the network connection timeout. You can do this by adding a
--networkparameter, such as:
* bitcoind --network=eth1 to use the Ethereum network instead of the default testnet.
- Increase mempool size in large-scale scenarios: If you’re running in a large-scale environment with many transactions, increasing the mempool size can help alleviate congestion issues.
- Try using a different Bitcoin client: Some Bitcoind clients may have bugs that affect the mempool behavior. You can try switching to a different client, such as
bitcoind-cmdorbitcoin-cli.
- Increase Bitcoin transaction processing time
: If you’re experiencing high demand for transactions, increasing the transaction processing time (TPT) on your mining rig might help alleviate congestion issues.
- Check for updates and bug fixes: Ensure that Bitcoind is updated to the latest version, as newer versions often address performance and security issues.
Additional Tips
- Regularly clear the mempool by running
bitcoind --clear-mempoolorbitcoin-cli clearmem.
- Use a reliable and fast network connection when sending transactions.
- Consider using a more powerful mining rig or upgrading your hardware if you’re experiencing high transaction volumes.
By following these steps and adjusting your Bitcoind settings, you should be able to resolve the “mempool min fee not met” error and continue to send Bitcoin transactions successfully on the Ethereum blockchain.
