Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

ethanrushh/brotli fix #663

Open
wants to merge 3 commits into
base: main
Choose a base branch
from
Open

ethanrushh/brotli fix #663

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
57d99e1
dep: remove brotli, add brotli-wasm
ethanrushh Aug 17, 2024
22c1c7d
fix: brotli compression in browsers
ethanrushh Aug 17, 2024
60a980a
update package-lock
ethanrushh Aug 17, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
25 changes: 11 additions & 14 deletions package-lock.json
View file
Open in desktop

Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.

2 changes: 1 addition & 1 deletion package.json
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,7 @@
"async-retry": "^1.3.1",
"await-timeout": "^1.1.1",
"axios": "^0.21.1",
"brotli": "^1.3.3",
"brotli-wasm": "^3.0.1",
"bunyan": "^1.8.15",
"bunyan-blackhole": "^1.1.1",
"ethers": "^5.7.2",
Expand Down
40 changes: 18 additions & 22 deletions src/util/gas-factory-helpers.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,8 +2,8 @@ import { BigNumber } from '@ethersproject/bignumber';
import { Protocol } from '@uniswap/router-sdk';
import { ChainId, Percent, Token, TradeType } from '@uniswap/sdk-core';
import { FeeAmount, Pool } from '@uniswap/v3-sdk';
import brotli from 'brotli';
import JSBI from 'jsbi';
import brotliPromise, { Options as CompressionOptions } from 'brotli-wasm'
import _ from 'lodash';

import { IV2PoolProvider } from '../providers';
Expand Down Expand Up @@ -189,32 +189,28 @@ export function getGasCostInNativeCurrency(
return costNativeCurrency;
}

export function getArbitrumBytes(data: string): BigNumber {
export async function getArbitrumBytes(data: string): Promise<BigNumber> {
if (data == '') return BigNumber.from(0);
const brotli = await brotliPromise
const options: CompressionOptions = {
quality: 1
}
const compressed = brotli.compress(
Buffer.from(data.replace('0x', ''), 'hex'),
{
mode: 0,
quality: 1,
lgwin: 22,
}
Buffer.from(data.replace('0x', ''), 'hex'), options
);
// TODO: This is a rough estimate of the compressed size
// Brotli 0 should be used, but this brotli library doesn't support it
// https://github.com/foliojs/brotli.js/issues/38
// There are other brotli libraries that do support it, but require async
// We workaround by using Brotli 1 with a 20% bump in size
// TODO: Match quality options
// Other options are unavailable in this package with the compress function
return BigNumber.from(compressed.length).mul(120).div(100);
}

export function calculateArbitrumToL1FeeFromCalldata(
export async function calculateArbitrumToL1FeeFromCalldata(
calldata: string,
gasData: ArbitrumGasData,
chainId: ChainId
): [BigNumber, BigNumber, BigNumber] {
): Promise<[BigNumber, BigNumber, BigNumber]> {
const { perL2TxFee, perL1CalldataFee, perArbGasTotal } = gasData;
// calculates gas amounts based on bytes of calldata, use 0 as overhead.
const l1GasUsed = getL2ToL1GasUsed(calldata, chainId);
const l1GasUsed = await getL2ToL1GasUsed(calldata, chainId);
// multiply by the fee per calldata and add the flat l2 fee
const l1Fee = l1GasUsed.mul(perL1CalldataFee).add(perL2TxFee);
const gasUsedL1OnL2 = l1Fee.div(perArbGasTotal);
Expand All @@ -238,12 +234,12 @@ export async function calculateOptimismToL1FeeFromCalldata(
return [l1GasUsed, l1GasCost];
}

export function getL2ToL1GasUsed(data: string, chainId: ChainId): BigNumber {
export async function getL2ToL1GasUsed(data: string, chainId: ChainId): Promise<BigNumber> {
switch (chainId) {
case ChainId.ARBITRUM_ONE:
case ChainId.ARBITRUM_GOERLI: {
// calculates bytes of compressed calldata
const l1ByteUsed = getArbitrumBytes(data);
const l1ByteUsed = await getArbitrumBytes(data);
return l1ByteUsed.mul(16);
}
default:
Expand Down Expand Up @@ -555,7 +551,7 @@ export const calculateL1GasFeesHelper = async (
chainId == ChainId.ARBITRUM_GOERLI
) {
[mainnetGasUsed, mainnetFeeInWei, gasUsedL1OnL2] =
calculateArbitrumToL1SecurityFee(
await calculateArbitrumToL1SecurityFee(
route,
swapOptions,
l2GasData as ArbitrumGasData,
Expand Down Expand Up @@ -638,12 +634,12 @@ export const calculateL1GasFeesHelper = async (
return [l1GasUsed, l1GasCost];
}

function calculateArbitrumToL1SecurityFee(
async function calculateArbitrumToL1SecurityFee(
routes: RouteWithValidQuote[],
swapConfig: SwapOptionsUniversalRouter,
gasData: ArbitrumGasData,
chainId: ChainId
): [BigNumber, BigNumber, BigNumber] {
): Promise<[BigNumber, BigNumber, BigNumber]> {
const route: RouteWithValidQuote = routes[0]!;

const amountToken =
Expand All @@ -662,6 +658,6 @@ export const calculateL1GasFeesHelper = async (
swapConfig,
ChainId.ARBITRUM_ONE
).calldata;
return calculateArbitrumToL1FeeFromCalldata(data, gasData, chainId);
return await calculateArbitrumToL1FeeFromCalldata(data, gasData, chainId);
}
};
Loading