@rainbow-me/fee-suggestions/src/constants.ts

JavaScript library that suggest fees on Ethereum after EIP-1559 using historical data using ethers.js

export const BASE_FEE_ADDITIONAL_PADDING = 1.05;

export const TREND_THRESHOLDS = {
  FALLING: 0.725,
  MEDIAN_SLOPE: -5,
  RAISING: 1.275,
  SURGING: 1.5,
};

export const BASE_FEE_BLOCKS_TO_CONFIRMATION_MULTIPLIERS = {
  120: 0.75,
  240: 0.72,
  4: 0.92,
  40: 0.79,
  8: 0.88,
};