Request: Get Xthin Block Transactions ("get_xblocktx")
This message is sent to remote peer to request the transactions still needed to reconstruct the block from the mempool after receipt of the previous
This message should start with the hash of the block that is intended to be reconstructed, followed by a list of short hashes of the transactions still needed.
|Block hash||32 Bytes||Bytes||The hash of the block being reconstructed.|
|Short transaction hashes||# of transactions * 8 bytes||vector||The 64-bit hashes of the transactions still needed for block reconstruction.|