optimizing-gas-fees

# Optimizing Gas Fees ## Overview Gas fee optimization skill that: - Fetches real-time gas prices from multiple sources - Estimates transaction costs in ETH and USD - Analyzes historical patterns to find optimal timing - Predicts future gas prices - Compares gas across multiple chains ## Prerequisites - Python 3.8+ with requests library - Network access to RPC endpoints - Optional: `ETHERSCAN_API_KEY` for higher rate limits - Optional: Custom RPC URLs via environment variables ## Instructions 1. Check current gas prices (optionally for a specific chain): ```bash cd ${CLAUDE_SKILL_DIR}/scripts && python3 gas_optimizer.py current cd ${CLAUDE_SKILL_DIR}/scripts && python3 gas_optimizer.py current --chain polygon ``` 2. Estimate transaction cost for known operations or custom gas limits (available operations: `eth_transfer`, `erc20_transfer`, `erc20_approve`, `uniswap_v2_swap`, `uniswap_v3_swap`, `sushiswap_swap`, `curve_swap`, `nft_mint`, `nft_transfer`, `opensea_listing`, `aave_deposit`, `aave_withdraw`, `compound_supply`, `compound_borrow`, `bridge_deposit`): ```bash cd ${CLAUDE_SKILL_DIR}/scripts && python3 gas_optimizer.py estimate --operation uniswap_v2_swap --all-tiers cd ${CLAUDE_SKILL_DIR}/scripts && python3 gas_optimizer.py estimate --gas-limit 150000 --tier fast # 150000 = configured value ``` 3. Find the optimal transaction window with lowest expected gas: ```bash cd ${CLAUDE_SKILL_DIR}/scripts && python3 gas_optimizer.py optimal ...