trailofbits/manticore

Report only used calldata

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#977 opened on Jul 14, 2018

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Description

Track what is used of the calldata so the ports look better. ex. only 4 bytes used here:

Transactions Nr. 2
Type: CALL (0)
From: attacker(0x1bfa530d5d685155e98cd7d9dd23f7b6a801cfef) 
To: contract0(0x67518339e369ab3d591d3569ab0a0d83b2ff5198) 
Value: 0 (*)
Data: 633ab5e063636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363636363 (*)

Contributor guide

Research direction
Inspect the calldata reporting logic in the codebase and modify it to only display the bytes that are actually used by the transaction.
Tech stack
python
Domain
backendtoolingdevops
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
Pythonbasic understanding of symbolic execution
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70