Weighted percentile for gasPrice calculation #2215
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Vovchyk
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@asoto-iov lgtm, pls make sure the pipeline is passed |
Updating from weighted average to weighted percentile method and naming updates Minor improvements related with PR comments Adding GasWeighted calculator and extracted legacy calculation to be able to choose which one could be used.
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A option to calculate the gas price using weighted percentile considering the gas used is being added to the client. At the same time the legacy calculation is being kept and used as default for now.
Description
Plain percentile calculation was extracted from the gasPriceTracker and a new GasUsed weighted percentile calculator was added in order to update how the gasPrice is being calculated.
The calculator to use (legacy/weighted) can be configured.
Motivation and Context
We want to improve the current algorithm which is being used by eth_gasPrice method. Right now we only consider actual gas price of recently mined txs when we are looking for a price percentile. The suggestion is to besides gas price also consider tx.gasUsed.
How Has This Been Tested?
Types of changes
Checklist: