eth_call RPC 方法

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請求

1
curl -X POST "https://docs-demo.xdai.quiknode.pro/" \
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  -H "Content-Type: application/json" \
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  -d '{
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  "jsonrpc": "2.0",
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  "method": "eth_call",
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  "params": [
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    {
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      "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
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      "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
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    },
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    「最新」
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  ],
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  "id": 1
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}'

1
curl -X POST "https://docs-demo.xdai.quiknode.pro/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
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  "method": "eth_call",
6
  "params": [
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    {
8
      "to": "0x6b175474e89094c44da98b954eedeac495271d0f",
9
      "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
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    },
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    「最新」
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  ],
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  "id": 1
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}'

1
import { ethers } from "ethers";
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async 函式 main() {
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    const provider = new ethers.JsonRpcProvider("https://docs-demo.xdai.quiknode.pro/");
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    const response = await provider.傳送("eth_call", [
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    {
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        "到": "0x6b175474e89094c44da98b954eedeac495271d0f",
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        "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
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    },
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    「最新」
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]);
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    控制台.日誌(回應);
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}
14

15
主頁();

1
import { ethers } from "ethers";
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async 函式 main() {
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    const provider = new ethers.JsonRpcProvider("https://docs-demo.xdai.quiknode.pro/");
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    const response = await provider.傳送("eth_call", [
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    {
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        "到": "0x6b175474e89094c44da98b954eedeac495271d0f",
8
        "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
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    },
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    「最新」
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]);
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    控制台.日誌(回應);
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}
14

15
主頁();

1
需要 'eth'
2

3
client = Eth::Client.create 'https://docs-demo.xdai.quiknode.pro/'
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有效載荷 = {
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    "jsonrpc": "2.0",
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    "method": "eth_call",
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    "params": [
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        {
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            "到": "0x6b175474e89094c44da98b954eedeac495271d0f",
10
            "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
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        },
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        「最新」
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    ],
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    "id": "1"
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}
16

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回應 = 客戶.傳送(有效載荷.to_json)
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將回應

1
需要 'eth'
2

3
client = Eth::Client.create 'https://docs-demo.xdai.quiknode.pro/'
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有效載荷 = {
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    "jsonrpc": "2.0",
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    "method": "eth_call",
7
    "params": [
8
        {
9
            "到": "0x6b175474e89094c44da98b954eedeac495271d0f",
10
            "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
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        },
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        「最新」
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    ],
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    "id": "1"
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}
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回應 = 客戶.傳送(有效載荷.to_json)
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將回應

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出自 web3 import Web3, HTTPProvider
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w3 = Web3(HTTPProvider('https://docs-demo.xdai.quiknode.pro/'))
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abi = '[{"constant":True,"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":False,"stateMutability":"view","type":"function"}]'
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myContract = w3.eth.contract(address="0x6b175474e89094c44da98b954eedeac495271d0f", abi=abi)
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回應 = myContract.函式.balanceOf("0x0000000000000000000000000000000000000000").呼叫()
6
列印(回應)

1
出自 web3 import Web3, HTTPProvider
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w3 = Web3(HTTPProvider('https://docs-demo.xdai.quiknode.pro/'))
3
abi = '[{"constant":True,"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":False,"stateMutability":"view","type":"function"}]'
4
myContract = w3.eth.contract(address="0x6b175474e89094c44da98b954eedeac495271d0f", abi=abi)
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回應 = myContract.函式.balanceOf("0x0000000000000000000000000000000000000000").呼叫()
6
列印(回應)

1
import { 建立公開客戶端, http } 來自 'viem'
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3
async 函式 main() {
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    const 客戶端 = 建立公開客戶端({
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        transport: http('https://docs-demo.xdai.quiknode.pro/')
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    })
7

8
    const 結果 = await client.request({
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        方法: 'eth_call',
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        參數: [
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          {
12
            "到": "0x6b175474e89094c44da98b954eedeac495271d0f",
13
            "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
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          },
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          「最新」
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        ]
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    })
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19
    控制台.日誌(結果)
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}
21

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主頁()

1
import { 建立公開客戶端, http } 來自 'viem'
2

3
async 函式 main() {
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    const 客戶端 = 建立公開客戶端({
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        transport: http('https://docs-demo.xdai.quiknode.pro/')
6
    })
7

8
    const 結果 = await client.request({
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        方法: 'eth_call',
10
        參數: [
11
          {
12
            "到": "0x6b175474e89094c44da98b954eedeac495271d0f",
13
            "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
14
          },
15
          「最新」
16
        ]
17
    })
18

19
    控制台.日誌(結果)
20
}
21

22
主頁()

1
import { 核心 } from '@quicknode/sdk'
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const 核心 = new Core({
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  endpointUrl: "https://docs-demo.xdai.quiknode.pro/",
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})
6

7
核心.客戶端
8
  .請求({
9
    方法: 'eth_call',
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    params: [{"to":"0x6b175474e89094c44da98b954eedeac495271d0f","data":"0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"},"latest"]
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  })
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  .接著(res => 控制台.log(res))

1
import { 核心 } from '@quicknode/sdk'
2

3
const 核心 = new Core({
4
  endpointUrl: "https://docs-demo.xdai.quiknode.pro/",
5
})
6

7
核心.客戶端
8
  .請求({
9
    方法: 'eth_call',
10
    params: [{"to":"0x6b175474e89094c44da98b954eedeac495271d0f","data":"0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"},"latest"]
11
  })
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  .接著(res => 控制台.log(res))

1
const 正文 = {
2
    jsonrpc: '2.0',
3
    方法: 'eth_call',
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    params: [{"to":"0x6b175474e89094c44da98b954eedeac495271d0f","data":"0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"},"latest"],
5
    id: 1
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}
7

8
async 函式 main() {
9
    const response = await fetch('https://docs-demo.xdai.quiknode.pro/', {
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        方法： 'POST',
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        headers: {'Content-Type': 'application/json'},
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        正文: JSON.stringify(body)
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    })
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    const data = 等待 response.json()
15
    控制台.日誌(資料)
16
}
17

18
主頁()

1
const 正文 = {
2
    jsonrpc: '2.0',
3
    方法: 'eth_call',
4
    params: [{"to":"0x6b175474e89094c44da98b954eedeac495271d0f","data":"0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"},"latest"],
5
    id: 1
6
}
7

8
async 函式 main() {
9
    const response = await fetch('https://docs-demo.xdai.quiknode.pro/', {
10
        方法： 'POST',
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        headers: {'Content-Type': 'application/json'},
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        正文: JSON.stringify(body)
13
    })
14
    const data = 等待 response.json()
15
    控制台.日誌(資料)
16
}
17

18
主頁()

1
匯入 請求
2
import json
3

4
url = "https://docs-demo.xdai.quiknode.pro/"
5

6
有效載荷 = json.dumps({
7
  "jsonrpc": "2.0",
8
  「方法」: 「eth_call」,
9
  "params": [
10
    {
11
      "到": "0x6b175474e89094c44da98b954eedeac495271d0f",
12
      "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
13
    },
14
    「最新」
15
  ],
16
  "id": 1
17
})
18
標題 = {
19
  「Content-Type」: 'application/json'
20
}
21

22
回應 = 請求.請求("POST", url, headers=headers, data=有效載荷)
23

24
列印(回應.text)

1
匯入 請求
2
import json
3

4
url = "https://docs-demo.xdai.quiknode.pro/"
5

6
有效載荷 = json.dumps({
7
  "jsonrpc": "2.0",
8
  「方法」: 「eth_call」,
9
  "params": [
10
    {
11
      "到": "0x6b175474e89094c44da98b954eedeac495271d0f",
12
      "data": "0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"
13
    },
14
    「最新」
15
  ],
16
  "id": 1
17
})
18
標題 = {
19
  「Content-Type」: 'application/json'
20
}
21

22
回應 = 請求.請求("POST", url, headers=headers, data=有效載荷)
23

24
列印(回應.text)

1
需要 "uri"
2
require "json"
3
需要 "net/http"
4

5
uri = URI("https://docs-demo.xdai.quiknode.pro/")
6

7
有效載荷 = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  方法: 「eth_call」,
11
  params: [{"to":"0x6b175474e89094c44da98b954eedeac495271d0f","data":"0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"},"latest"]
12
}
13

14
請求 = 淨::HTTP::POST.new(URI)
15
請求["Content-Type"] = "application/json"
16
請求。正文 = JSON.generate(有效載荷)
17

18
回應 = 淨::HTTP.開始(uri.主機, uri.port, use_ssl: true) 執行 |http|
19
  http.請求(請求)
20
結束
21

22
將回應。正文

1
需要 "uri"
2
require "json"
3
需要 "net/http"
4

5
uri = URI("https://docs-demo.xdai.quiknode.pro/")
6

7
有效載荷 = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  方法: 「eth_call」,
11
  params: [{"to":"0x6b175474e89094c44da98b954eedeac495271d0f","data":"0x70a082310000000000000000000000006E0d01A76C3Cf4288372a29124A26D4353EE51BE"},"latest"]
12
}
13

14
請求 = 淨::HTTP::POST.new(URI)
15
請求["Content-Type"] = "application/json"
16
請求。正文 = JSON.generate(有效載荷)
17

18
回應 = 淨::HTTP.開始(uri.主機, uri.port, use_ssl: true) 執行 |http|
19
  http.請求(請求)
20
結束
21

22
將回應。正文

回應

1
{
2
  "jsonrpc": "2.0",
3
  「結果」: "0x",
4
  "id": 1
5
}

1
{
2
  "jsonrpc": "2.0",
3
  「結果」: "0x",
4
  "id": 1
5
}

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