lalalune/pumpfun-source

Reverse engineering the pump.fun smart contracts

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This repository has one goal: exact bytecode reconstruction of pump.fun's on-chain Solana programs — Pump Main, PumpSwap/AMM, Fees, Mayhem and the Donation Relay. Each program is rebuilt from source with a pinned toolchain and scored instruction-by-instruction against the captured deployed binary. Scope. Only the program bytecode publicly deployed on-chain is reconstructed. This project does not reconstruct, capture or reproduce pump.fun's website, apps, backend services, APIs, SDKs, branding or any other off-chain material. Pull requests for frontend, backend, SDK or off-chain capture work are closed without review. See CONTRIBUTING.md. Everything here serves building, scoring, verifying or differential-testing those programs. There is no frontend, backend, SDK or off-chain service code. Verified checkpoint progress — 2026-10-30 Matched windows cover 5,167,144/5,213,128 code bytes (99.12%). The latest fresh Pump Main identity build includes #2749's admin-CTO refinement. It preserves all 1,033 normalized and raw matches with zero losses against a fresh main build. The admin window…

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  1. pumpfun-source
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What this repository does

Reverse engineering the pump.fun smart contracts

Repository facts

Owner
lalalune
Primary language
Python
Stars
248
Forks
186
Open issues + pull requests
4
License
MIT
Archived
No
Default branch
main
Created
2026-10-24T23:37:50.000Z
Last push
2026-10-30T12:16:04.000Z

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