Ethereum: bitcoind without txindex=1

Understanding the problem and possible solutions

The provided configuration file is set to index transactions every 1, which means that bitcoind will periodically scan its blockchain for unindexed transactions. However, if you try to verify or audit your wallet without mining any of these unindexed transactions, this can cause problems.

What causes unindexed transactions?

Unindexed transactions are those that have not yet been mined and are not part of the current list of transactions in a block. These transactions are often referred to as “pending” transactions.

Possible solutions

1. Index unindexed transactions with txindex=0

You can set txindex to a value other than 1. For example, setting it to 0 means that bitcoind will only scan its blockchain for indexed transactions in every block.










bitcoin.conf

#xindex=0

However, this solution may not be suitable if you need to verify or audit your wallet without mining any of the unindexed transactions. In such cases, setting txindex to 1 may still cause problems.

2. Using a different indexing method

You can use txindex=0 along with txindex=0 and then periodically search for unindexed transactions using other methods such as getunspentrawtransaction(0) or getindex(). However, this method involves additional complexity and is more likely to cause problems than the original solution.


bitcoin.conf

txindex=1

xindex=0

3. Removing unindexed transactions from the blockchain

One potential problem with using txindex=0 or setting it in conjunction with other indexing methods is that bitcoind may remove unindexed transactions from your blockchain to prevent them from being mined. This can be done by adding txindex=0 and then periodically scanning for unindexed transactions.


bitcoin.conf

txindex=1

getunspentrawtransaction(0)

However, this solution requires that you have a large amount of unused data on your blockchain to scan. It is also worth noting that removing unindexed transactions will prevent them from being mined in the future.

Conclusion

The provided configuration file is set to index all transactions, which means that bitcoind will periodically scan its blockchain for indexed transactions every 1 block. If you are trying to verify or audit your wallet without mining any of these unindexed transactions, setting txindex=0 may cause problems.

To resolve this issue, consider using a different indexing method such as getunspentrawtransaction(0) and periodically scanning for unindexed transactions or removing unused data from the blockchain to prevent them from being mined.

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