Skip to content

gas: change gas price api #1130

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

Merged
pkova merged 1 commit into from
Jan 18, 2024
Merged

gas: change gas price api #1130

Changes from all commits
Commits
Show all changes
1 commit
Select commit
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
74 changes: 20 additions & 54 deletions src/lib/getSuggestedGasPrice.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,8 @@ const feeToInt = f => (f < 1 ? 1 : Math.round(f));

const feeToWei = fee => Web3.utils.toHex(Web3.utils.toWei(String(fee), 'gwei'));

const weiToGwei = wei => Math.ceil(wei / 1_000_000_000);

const calculateMaxFee = (baseFee, maxPriorityFee) =>
feeToWei(Math.round(2 * baseFee + maxPriorityFee));

Expand Down Expand Up @@ -43,68 +45,32 @@ export const defaultGasValues = value => ({

const getGasForNetwork = async providerUrl => {
try {
const [feeResponse, waitResponse] = await Promise.all([
fetch(
`${providerUrl}/api` +
'?module=gastracker' +
'&action=gasoracle' +
'&apikey=CG52E4R96W56GIKUI4IJ8CH9EZIXPUW1W8',
{
method: 'GET',
cache: 'no-cache',
}
),
fetch('https://ethereum-api.xyz/gas-prices', {
method: 'GET',
const feeResponse = await fetch(
providerUrl,
{
method: 'get',
cache: 'no-cache',
}),
]);

const [feeJson, waitJson] = await Promise.all([
feeResponse.json(),
waitResponse.json(),
]);

const suggestedBaseFeePerGas = Number(feeJson.result.suggestBaseFee);
}
);
const feeJson = await feeResponse.json();

// Calculations derived from:
// https://www.blocknative.com/blog/eip-1559-fees
return {
fast: {
price: minGas(feeJson.result.FastGasPrice),
wait: formatWait(waitJson.result.fast.time),
maxFeePerGas: calculateMaxFee(
suggestedBaseFeePerGas,
feeJson.result.FastGasPrice - suggestedBaseFeePerGas
),
maxPriorityFeePerGas: feeToInt(
feeJson.result.FastGasPrice - suggestedBaseFeePerGas
),
suggestedBaseFeePerGas,
price: minGas(weiToGwei(feeJson.data.rapid)),
wait: formatWait(15),
maxFeePerGas: weiToGwei(feeJson.data.rapid)
},
average: {
price: minGas(feeJson.result.ProposeGasPrice),
wait: formatWait(waitJson.result.average.time),
maxFeePerGas: calculateMaxFee(
suggestedBaseFeePerGas,
feeJson.result.ProposeGasPrice - suggestedBaseFeePerGas
),
maxPriorityFeePerGas: feeToInt(
feeJson.result.ProposeGasPrice - suggestedBaseFeePerGas
),
suggestedBaseFeePerGas,
price: minGas(weiToGwei(feeJson.data.fast)),
wait: formatWait(60),
maxFeePerGas: weiToGwei(feeJson.data.fast)
},
low: {
price: minGas(feeJson.result.SafeGasPrice),
wait: formatWait(waitJson.result.slow.time),
maxFeePerGas: calculateMaxFee(
suggestedBaseFeePerGas,
feeJson.result.SafeGasPrice - suggestedBaseFeePerGas
),
maxPriorityFeePerGas: feeToInt(
feeJson.result.SafeGasPrice - suggestedBaseFeePerGas
),
suggestedBaseFeePerGas,
price: minGas(weiToGwei(feeJson.data.standard)),
wait: formatWait(180),
maxFeePerGas: weiToGwei(feeJson.data.standard)
},
};
} catch (e) {
Expand All @@ -116,11 +82,11 @@ const getGasForNetwork = async providerUrl => {
export default async function getSuggestedGasPrice(networkType) {
switch (networkType) {
case NETWORK_TYPES.GOERLI:
return getGasForNetwork('https://api-goerli.etherscan.io');
return getGasForNetwork('https://beaconcha.in/api/v1/execution/gasnow');
case NETWORK_TYPES.OFFLINE:
return defaultGasValues(DEFAULT_GAS_PRICE_GWEI);
case NETWORK_TYPES.LOCAL:
default:
return getGasForNetwork('https://api.etherscan.io/');
return getGasForNetwork('https://beaconcha.in/api/v1/execution/gasnow');
}
}