Etherscan api：如何獲得交易費？

例如：打開這個https://etherscan.io/tx/0xcb1e3530950cf2c43a307bcb5645ae71a12c76a60831617badd04aea3efe68aa

這是一個隨機的

我在網頁上看到這些資訊：

Gas Limit:
136,500

Gas Used by Transaction:
35,531 (26.03%)

Gas Price:
0.000000008 Ether (8 Gwei)

Transaction Fee:
0.000284248 Ether ($0.05)

我知道fee = gas_price x used_gas=>0.000000008 x 35,531 = 0.000284248 eth

完美的。

我有興趣閱讀，通過 api 以真實貨幣轉換的交易費，就像你看到的那樣$0.05

我無法通過單個 api 呼叫在 Etherscan 上返回此資訊。

我該怎麼做才能獲得這些資訊？

打電話

https://api.etherscan.io/api?module=proxy&action=eth_getTransactionByHash&txhash=0xcb1e3530950cf2c43a307bcb5645ae71a12c76a60831617badd04aea3efe68aa&apikey=your_api_key

我只得到這些資訊

{
"jsonrpc": "2.0",
"id": 1,
"result": {
 "blockHash": "0xd8d3b1532b376dcb34c6c36fc7bc167cfc048cfcb3cc53a9ab7dab7f383d4240",
 "blockNumber": "0x961a86",
 "from": "0xcc5ce245a296667aca1b5855f1a05ca950017e68",
 "gas": "0x21534",
 "gasPrice": "0x1dcd65000",
 "hash": "0xcb1e3530950cf2c43a307bcb5645ae71a12c76a60831617badd04aea3efe68aa",
 "input": "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",
 "nonce": "0x514",
 "to": "0xa57bd00134b2850b2a1c55860c9e9ea100fdd6cf",
 "transactionIndex": "0x4e",
 "value": "0x0",
 "v": "0x1c",
 "r": "0xa03627e5bc49b850afb92774a4dc21c436da8bfe569688dfbd14fc9c58a2bdbb",
 "s": "0x59ddaf4c96b60f413d713902abb1f802fbe3266afd3a61e82a8e635b44522fed"
 }
}

在哪裡

"gas": "0x21534"=> 十進制是136,500

$$ gas limit $$ "gasPrice"○: "0x1dcd65000"=> 十進制是8,000,000,000

$$ gas price $$ 我也嘗試呼叫 https://api.etherscan.io/api?module=proxy&action=eth_getTransactionReceipt&txhash=0xcb1e3530950cf2c43a307bcb5645ae71a12c76a60831617badd04aea3efe68aa&apikey=your_api_key

這是結果

{
 "jsonrpc": "2.0",
 "id": 1,
 "result": {
   "blockHash": "0xd8d3b1532b376dcb34c6c36fc7bc167cfc048cfcb3cc53a9ab7dab7f383d4240",
   "blockNumber": "0x961a86",
   "contractAddress": null,
   "cumulativeGasUsed": "0x778412",
   "from": "0xcc5ce245a296667aca1b5855f1a05ca950017e68",
   "gasUsed": "0x8acb",
   "logs": [],
   "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
   "status": "0x1",
   "to": "0xa57bd00134b2850b2a1c55860c9e9ea100fdd6cf",
   "transactionHash": "0xcb1e3530950cf2c43a307bcb5645ae71a12c76a60831617badd04aea3efe68aa",
   "transactionIndex": "0x4e"
 }
}

在這裡我有

"cumulativeGasUsed": "0x778412"  => 7,832,594 [ what  ??? ]
"gasUsed": "0x8acb"              => 35,531    [ gas used by this transaction]

因此，要重建網頁資訊，我需要 2 個 api 呼叫，以檢索 gas 價格和使用的 gas。

但我沒有引用 eth，這確實是我需要的

您可以使用 CryptoCompare API，例如：

const ETH_AMOUNT = "0.000284248";

const request = require("request");
const Decimal = require("decimal.js");

request.get("https://min-api.cryptocompare.com/data/price?fsym=ETH&tsyms=USD", function(error, response, body) {
   if (error)
       throw new Error(error);
   else if (!response)
       throw new Error("no response");
   else if (response.statusCode != 200)
       throw new Error("bad response");
   else
       convert(JSON.parse(body).USD);
});

function convert(usdRate) {
   const USD_AMOUNT = new Decimal(ETH_AMOUNT).mul(usdRate);
   console.log(USD_AMOUNT.toFixed(2 /* decimal places */));
}

我不知道在此期間您是否能夠解決問題，但截至2022 年 1 月 7 日，API 呼叫eth_getTransactionReceipt返回一個名為的欄位，該欄位effectiveGasPrice對應於從 API 呼叫返回的相同值，eth_getTransactionByHash即"0x1dcd65000".

讓我們進行另一筆交易，在這種情況下：

0xf23766719c61461673d9e6f5cdc1e9ba42c958c07b924bfb9809cd58c244b4c0

effectiveGasPrice來自eth_getTransactionReceipt：0x19bbced2d3

gasPrice來自eth_getTransactionByHash：0x19bbced2d3

換句話說eth_getTransactionReceipt，足以檢索 gas 價格和使用的 gas。

引用自：https://ethereum.stackexchange.com/questions/82315