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Galileo Gas Parameter Derivation

Derives L1 fee parameters (commit_scalar, blob_scalar, penalty_multiplier) for Scroll's Galileo upgrade by analyzing historical on-chain data.

Prerequisites

  • Python 3.10+
  • pipenv
  • gcc and python3-devel
# Ubuntu/Debian
sudo apt install python3-dev gcc
# Fedora/RHEL
sudo dnf install python3-devel gcc

Installation

cd scripts/derive_galileo_gas_parameter
pipenv install

Running

1. Create .env file

SCROLL_URL=https://rpc.scroll.io
MAINNET_URL=https://eth-mainnet.g.alchemy.com/v2/YOUR_API_KEY
BEACON_URL=https://eth-mainnet-beacon.g.alchemy.com/v2/YOUR_API_KEY

2. Usage

# Collect data from 30 recent batches
pipenv run python -u derive_galileo_gas_parameter.py --mode collect --n-batches 30

# Load previously cached data
pipenv run python -u derive_galileo_gas_parameter.py --mode load --start-batch 494041 --end-batch 494070

Options:

  • --mode {collect,load} - Collect new data or load from cache (required)
  • --n-batches N - Number of batches to collect (default: 30)
  • --start-batch N / --end-batch N - Batch range for load mode
  • --target-penalty FLOAT - Target penalty at P95 (default: 0.1 = 10%)
  • --penalty-multiplier FLOAT - Use fixed penalty multiplier instead of calculating

3. Cached Data

Collected data is saved to galileo_data_batch_{start}_{end}.pkl for re-analysis without re-fetching from RPC. Use --mode load to reload.