Analyze calldata size and gas costs to identify optimization opportunities for reducing transaction costs in smart contracts.

ERC-20 permit-based gasless approval checker. Reads nonces, allowance, and domain separator state.

Convert between gwei, wei, and ether denominations with precise BigNumber arithmetic and formatting.

Execute multi-hop token swaps through custom routes with hop tracking, slippage protection, and deadline management.

Batch send tokens on any Arbitrum Orbit L3 chain using a compatible multisender contract (custom gas token support).

Batch send bridged USDC.e tokens to multiple recipients on Optimism in one transaction. === FILE: description ===

Select gas-optimized DEX routes with gas cost estimation, route comparison, and slippage protection.

Cancel a pending Ethereum transaction by replacing it with a zero-value self-transfer using the same nonce.

Simulate MEV bundles and detect arbitrage, liquidation, and sandwich opportunities on EVM chains.

Batch send WETH (wrapped ETH) to multiple recipients on Blast mainnet in one transaction using shared multi-send contracts.

Batch distribute validator rewards on Ethereum L1 with balance checks, approval, fee estimation, and automated RPC retry logic.

Scan on-chain events across block ranges with automatic chunking, detect trigger conditions, and emit cross-chain trigger actions.

Update self-attested on-chain reputation scores with configurable values, categories, and attestation data.

Monitor protocol revenue changes by tracking balance increases in fee collector addresses and trigger alerts on threshold breaches.

Schedule ERC-20 batch sends to execute at a future block on any L2, with fees paid in native tokens.

Batch send bridged USDC.e tokens to multiple recipients on Arbitrum One in one transaction. === FILE: description ===

Deploy linear vesting contracts with factory support, approval handling, and parameter validation for EVM chains.

Scan wallet addresses against sanctions lists, compliance contracts, and blocked address registries with risk scoring.

Debug Ethereum transactions with call traces, stack traces, and revert reasons via debug_traceTransaction.

Transfer vesting beneficiary rights to a new address with eligibility verification and state validation for EVM chains.

Queue new transactions in your multisig wallet for approval by other signers with full preview and validation.

Simulate building a custom EVM blockchain. Configure chain name, ID, currency, consensus (PoA/PoS/PoW), and block time.

Batch-distribute crowdfunding backer rewards on Base. Supports ERC-20, NFTs, and native ETH with live fee display.

Scans Solidity contracts for signature replay vulnerabilities, focusing on EIP-2612 permit, nonce, and deadline usage.