Homework 2: Transactor Code Exploration

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Objective

Explore the Payment transactor implementation in the Rippled codebase.

Format: Written report (PDF or Markdown) with screenshots/code snippets

Requirements

1. Locate the Code

   • Find Payment.cpp in the codebase

   • Identify the class declaration

2. Analyze the Three Phases

   • Document what checks occur in preflight()

   • Document what checks occur in preclaim()

   • Document what state changes occur in doApply()

   • For each phase, provide:

     • Line numbers where the function is defined

     • 2-3 specific validation checks performed

     • Code snippet (5-10 lines) showing a key validation

Deliverable

A technical document with:

• File path and line numbers

• Description of each phase

• Code snippets with explanations

• At least one example of an error condition that would cause the transaction to fail