Admin Function Call Alert Tool

WHAT IT DOES

Admin Function Call Alert Tool is a read-only security tool that detects and alerts on privileged function calls in EVM smart contracts. It scans contract logs and transaction calldata using chunked eth_getLogs fetching (automatically halving block ranges when RPC providers reject full-range requests), matches function signatures against a built-in database of admin function selectors (pause, unpause, setOwner, transferOwnership, renounceOwnership, upgradeTo, upgradeToAndCall, initialize, setImplementation, setPaused, and more), and provides a detailed report of all detected admin calls. The tool helps developers and security teams monitor privileged operations, detect unauthorized admin access, track governance actions, and identify suspicious activity in contracts with administrative capabilities.

HOW TO USE

Connect your EVM-compatible wallet via the BGWallet bridge and select the network where your contract is deployed. Enter the contract address, optionally specify custom admin functions to monitor (comma-separated function names), and set the block range to scan (100-10,000 blocks). Click "Monitor Admin Calls" to fetch and analyze logs. Results include a summary of total admin calls found, a detailed table of each admin call with function name, caller address, block number, transaction hash, gas used, and timestamp, and an alert stub indicating which calls would trigger notifications. The tool uses a built-in database of 20+ admin function signatures and supports custom function names. All analysis is read-only—no signatures or transactions are submitted.

TECHNICAL MECHANISM

The tool uses ethers.js v5.7.2 to fetch contract logs via the provider. It maintains a built-in database of admin function signatures mapped to 4-byte selectors (0x8456cb59 for pause(), 0x3f4ba83a for unpause(), 0xf2fde38b for transferOwnership(address), 0x3659cfe6 for upgradeTo(address), 0x8f283970 for setOwner(address), and 15+ others). The tool uses chunked log fetching (fetchLogsChunked) that handles provider-specific eth_getLogs limits by recursively halving block ranges until requests succeed. It filters logs by the contract address and by the admin function topic signatures (if admin functions are specified). For each log found, the tool retrieves the transaction details via provider.getTransaction(hash), the receipt via provider.getTransactionReceipt(hash), and the block timestamp via provider.getBlock(number) to contextualize each call. The user-provided admin function list is parsed and matched against the signature database, with support for partial name matching (e.g., "pause" matches "pause()"). If no admin functions are specified, the tool monitors all known admin signatures.

WHAT IT CANNOT SEE

This tool has fundamental limitations that users must understand. It cannot actually send alerts or notifications—the tool provides an alert stub but requires external infrastructure for actual notifications. It cannot detect admin function calls that are not logged or that use non-standard patterns—the tool relies on standard event logs and function signatures. It cannot determine if an admin call is malicious or legitimate without context—the tool flags all admin calls, leaving interpretation to the user. It cannot monitor all possible admin function signatures without an exhaustive list—the tool's database covers common patterns but may miss custom admin functions. It cannot detect admin calls that occur via proxy patterns where the implementation address differs—the tool only sees the proxy address. It cannot detect admin calls that are executed as internal transactions or via delegatecall—the tool only scans external transaction logs. It cannot detect admin calls that use non-standard ABI encoding or custom signature formats. It cannot monitor admin calls across multiple contracts simultaneously. The tool's alert stub is a placeholder for demonstration purposes.

PLEASE NOTE

This tool only supports EVM-compatible blockchains (Ethereum, Polygon, BSC, Avalanche C-Chain, Optimism, Arbitrum, and their testnets). Solana, Tron, Starknet, SUI, TON, Aptos, Bitcoin, Cosmos, and XRP are not supported. The tool is free, open-source, requires no API keys, and uses the wallet's native provider for all read operations. For production alerting, integrate the tool's output with external notification systems.