/**
 * From https://github.com/ethereum/EIPs/blob/master/EIPS/eip-1559.md
 */
const gasLimitAdjustmentFactor = 1024;
/**
 * Calculates expected gas limit based on parent gas limit and target gas limit
 */
export function getExpectedGasLimit(parentGasLimit, targetGasLimit) {
    const maxGasLimitDifference = Math.max(Math.floor(parentGasLimit / gasLimitAdjustmentFactor) - 1, 0);
    if (targetGasLimit > parentGasLimit) {
        const gasDiff = targetGasLimit - parentGasLimit;
        return parentGasLimit + Math.min(gasDiff, maxGasLimitDifference);
    }
    const gasDiff = parentGasLimit - targetGasLimit;
    return parentGasLimit - Math.min(gasDiff, maxGasLimitDifference);
}
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