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[NONEVM-2656] Contract version debugging tool #222

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769a91d
feat: debugging script
patricios-space Sep 26, 2025
050cfac
doc: how to use
patricios-space Sep 26, 2025
1c553bb
ref: rename
patricios-space Sep 26, 2025
b5070c2
fix: vulnerability
patricios-space Sep 29, 2025
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49 changes: 49 additions & 0 deletions scripts/codehash-matcher/README.md
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# TON Contract Version Debugging Tool

Connects to TON testnet, queries a contract's code hash, and finds which GitHub release contains the matching contract code.

## Usage

```bash
go run main.go -address <CONTRACT_ADDRESS>
```

**Options:**
- `-address`: Contract address (required)
- `-liteserver`: Custom liteserver URL (optional)

**Example:**
```bash
go run main.go -address EQAfVSwJWVo9tbyCSd8XyXcVF83dg6dd-lY8RwyJs08T5Z2N
```

## Example Output

```
Contract: EQAfVSwJWVo9tbyCSd8XyXcVF83dg6dd-lY8RwyJs08T5Z2N
Code Hash: 0x91cef02e2c20304881087c58faddd93f08f516dc26b5c12e63cdf55f0fef4d47

Searching for matching release...

✅ Match found!
Contract: OnRamp
Release: TON Contracts Build (baef5397fb0d)
Published: 2025-09-26 14:30:25 UTC
Code Hash: 0x91cef02e2c20304881087c58faddd93f08f516dc26b5c12e63cdf55f0fef4d47
- See release at: https://github.com/smartcontractkit/chainlink-ton/releases/tag/ton-contracts-build-baef5397fb0d
- See commit: https://github.com/smartcontractkit/chainlink-ton/commit/baef5397fb0d
- Commit message: Add OnRamp contract with improved gas optimization
```

## How It Works

1. Queries contract's `codeHash` from TON testnet
2. Downloads GitHub releases from [smartcontractkit/chainlink-ton](https://github.com/smartcontractkit/chainlink-ton/releases)
3. Compares contract hashes from compiled JSON files
4. Returns matching release with links and commit details

## Common Issues

- **Connection errors**: Check internet connection or try custom liteserver
- **GitHub rate limits**: Wait a few minutes and retry
- **No match found**: Contract may be from unreleased build or different repo
14 changes: 14 additions & 0 deletions scripts/codehash-matcher/go.mod
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module ton-getter

go 1.24.5

toolchain go1.24.7

replace github.com/smartcontractkit/chainlink-ton => ../..

require (
github.com/smartcontractkit/chainlink-ton v0.0.0-00010101000000-000000000000
github.com/xssnick/tonutils-go v1.15.0
)

require filippo.io/edwards25519 v1.1.0 // indirect
4 changes: 4 additions & 0 deletions scripts/codehash-matcher/go.sum
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filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
github.com/xssnick/tonutils-go v1.15.0 h1:jTkrJSgukJjHboWiCTMwXJu3k0h3ZNDjeNuwr1FLLsc=
github.com/xssnick/tonutils-go v1.15.0/go.mod h1:rpahE9aWb+Jsj1CZezPpJH0Bu5d8vRPYvYKT7Z67MSA=
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