Gas
如何獲取歷史 Gas (Gwei) 價格
我想以安全低、標準、快速和最快的方式獲得每小時或每分鐘的歷史 Gas (Gwei) 價格。我知道 etherscan.io 提供一天的平均汽油價格,以及提供實時數據的 ethstation。我可以從https://www.etherchain.org/tools/gasPriceOracle獲得實時資訊。有什麼方法可以獲取歷史價格嗎?
你可以關注這個網站,他們也提供了他們的 API,點擊這裡
您還可以獲得很多其他詳細資訊
如果您想從鏈上記錄中提取歷史數據,您可以從Chainlink Price feed 快速 gas 代理合約中獲取歷史數據。
您可以在契約中查看歷史記錄
/** This example code is designed to quickly deploy an example contract using Remix. */ pragma solidity ^0.6.7; import "https://github.com/smartcontractkit/chainlink/blob/master/evm-contracts/src/v0.6/interfaces/AggregatorV3Interface.sol"; contract HistoricalPriceConsumerV3 { AggregatorV3Interface internal priceFeed; /** * Network: Mainnet * Aggregator: Fast Gas / Gwei Price * Address: 0x169E633A2D1E6c10dD91238Ba11c4A708dfEF37C */ constructor() public { priceFeed = AggregatorV3Interface(0x169E633A2D1E6c10dD91238Ba11c4A708dfEF37C); } /** * Returns historical price for a round id. * roundId is NOT incremental. Not all roundIds are valid. * You must know a valid roundId before consuming historical data. * * ROUNDID VALUES: * InValid: 18446744073709562300 * Valid: 18446744073709562301 * * @dev A timestamp with zero value means the round is not complete and should not be used. */ function getHistoricalPrice(uint80 roundId) public view returns (int256) { ( uint80 id, int price, uint startedAt, uint timeStamp, uint80 answeredInRound ) = priceFeed.getRoundData(roundId); require(timeStamp > 0, "Round not complete"); return price; } }