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name: onchain-audit description: | On-chain data and contract security analysis. Includes Binance API and Bitget API for audit, token info, wallet, and contract analysis. CLAWBOT decides which to use based on context. metadata: author: NotevenDe version: 1.3.0

On-chain Audit — Contract & On-chain Analysis

Two data sources; CLAWBOT chooses based on context. Binance and Bitget data can be cross-verified.

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1. Binance API (onchain)

POST https://crab-skill.opsat.io/api/onchain/* (requires Crab signature)

Fields: address + chainName (uppercase: BSC/ETHEREUM/BASE/SOLANA)

Endpoint	Description
/api/onchain/audit	Contract security audit (Binance + Bitget dual-source)
/api/onchain/token-info	Token metadata and market dynamics
/api/onchain/wallet	Wallet positions (BSC/BASE/SOLANA only)
/api/onchain/token-search	Token search (requires keyword instead of address)

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2. Bitget API (onchain-2)

POST https://crab-skill.opsat.io/api/onchain-2/* (requires Crab signature)

Fields: chain + contract (lowercase: bnb/eth/base/sol)

Note: field names and chain format differ from Binance endpoints.

Endpoint	Description
/api/onchain-2/token-info	Token details (symbol, name, market cap, etc.)
/api/onchain-2/token-price	Token price summary
/api/onchain-2/tx-info	Token transaction statistics
/api/onchain-2/liquidity	Liquidity pool info
/api/onchain-2/security-audit	Security audit (risk/warn/low checks)

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3. Onchain Explorer API (explorer)

POST https://crab-skill.opsat.io/api/explorer/* (requires Crab signature)

See API_EXPLORER.md for full parameter and response details.

3a. Contract ABI / Source Code

Endpoint: /api/explorer/contract

Fields: chain (ETH or BSC) + address

Key field	Description
verified	Contract is open-source and verified on Etherscan
contractName	Contract name
compilerVersion	Solidity compiler version
optimizationUsed	Whether optimization was enabled
abi	Contract ABI array
sourceCode	Source code (string, or object for multi-file)
licenseType	License type
proxy	Is this a proxy contract
implementation	Implementation address (proxy only)

Returns { verified: false } for unverified contracts.

3b. Token Transfer History

Endpoint: /api/explorer/token-history

Fields: chain (ETH / BSC / SOL) + address + optional pagination/filter

• ETH/BSC: pagination via outPageKey / inPageKey; each record has hash, from, to, value, asset, category, blockNum, blockTimestamp
• SOL: filter by type (SWAP/TRANSFER/BURN/...) and source (JUPITER/RAYDIUM/...); paginate via before; each record has signature, timestamp, type, source, fee, nativeTransfers, tokenTransfers, events

3c. SOL Address Overview

Endpoint: /api/explorer/sol-address

Fields: address + optional txLimit (default 10)

Returns: native SOL balance (lamports + USD), SPL token list, recent transfer records.

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Fallback Behavior

Scenario	Behavior
Unknown contract chain	Skip audit
No token search results	Skip token search
Wallet chain not supported	Skip wallet query
Contract not verified (explorer)	Note as unverified, skip ABI/source display
Explorer upstream unavailable	Skip, continue with other sources