A professional-grade tool for decoding raw blockchain transactions into human-readable contract interactions and financial records.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install tx-decoder
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install tx-decoder using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Blockchain Transaction Decoder?
The Blockchain Transaction Decoder is a specialized tool designed to demystify on-chain activity. By analyzing a transaction hash, the skill translates complex hex data into clear descriptions of smart contract function calls, input parameters, and transfer logs. As a key component of Openclaw Skills, it empowers developers and researchers to audit decentralized application behavior and track asset movements with high fidelity.
This skill eliminates the need for manual parsing of blockchain data, providing instant clarity on gas costs and internal state changes. Whether you are debugging a smart contract or tracking a complex DeFi swap, this utility delivers structured insights directly into your workflow.
Blockchain Transaction Decoder Use Cases
- Auditing DeFi transactions to verify token swap accuracy.
- Debugging smart contract logic by inspecting input data and execution traces.
- Monitoring gas consumption for cost-efficiency analysis.
- Investigating internal transfers and sub-calls within complex blockchain interactions.
How Blockchain Transaction Decoder Works
- Accept a transaction hash (TXID) from the user or an automated agent.
- Query the blockchain to retrieve raw transaction metadata and execution receipts.
- Map the raw input data against known ABIs to decode function names and parameters.
- Extract internal transfer logs to map the movement of tokens and native assets.
- Compute the total gas fee based on the gas used and effective gas price.
- Generate a comprehensive report summarizing the transaction's intent and outcome.
Blockchain Transaction Decoder Setup
To begin using this skill within your environment, ensure you have the necessary credentials for your blockchain provider.
# Install the transaction decoder skill
openclaw-cli skill add tx-decoder
# Configure custom RPC endpoints for specific networks
openclaw-cli config set-rpc eth-mainnet https://eth-mainnet.g.alchemy.com/v2/YOUR_API_KEY
Blockchain Transaction Decoder Data Schema & Taxonomy
| Key | Description | Format |
|---|---|---|
| Hash | The 66-character transaction identifier | Hex String |
| Function | The specific smart contract method invoked | String |
| Inputs | Decoded arguments passed to the function | Key-Value Pairs |
| Transfers | List of assets moved during execution | Array of Objects |
| Gas Fee | Total cost of the transaction in native and fiat terms | String |
| Status | Success or failure of the execution | Boolean |
Blockchain Transaction Decoder Advanced Features
- Automated ABI fetching from block explorers for unknown contracts.
- Support for decoding transactions on Layer 2 scaling solutions and sidechains.
- Seamless integration with automated trading bots and monitoring agents using Openclaw Skills.
- Detailed breakdown of proxy contract logic and implementation redirections.
SKILL.md
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