Learning-Bitcoin-from-the-Command-Line/5_0_Knowing_Transaction_Tricks.md

Chapter Five: Knowing Transaction Tricks

This chapter describes how to use a few tricks that supplement or improve the use of raw transaction from the command line using bitcoin-cli. It does so by walking through all the remaining variables available to use with bitcoin-cli raw transactions, including sequence (for RBF), data (for OP_RETURNs), and locktime (for Locktime).

Objectives for This Section

After working through this chapter, a developer will be able to:

• Decide Whether RBF or CPFP Might Help a Transaction
• Create Transactiosn with Data
• Create Transactions with Locktimes

Supporting objectives include the ability to:

• Understand the Mempool
• Use RBF or CPFP to Free Up a Stuck Transaction
• Plan for the Power of RBF
• Plan for the Power of OP_RETURN
• Plan for the Power of Locktime

Table of Contents

• Part One: Watching for Stuck Transactions
• Part Two: Resending a Transaction with RBF
• Part Three: Funding a Transaction with CPFP
• Part Four: Sending a Raw Transaction with Data
• Part Five: Sending a Raw Transaction with a Locktime