eth_call RPC 方法

参数

交易

对象

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来自

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到

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必填

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气体

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gasPrice

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值

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数据

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blockNumber/tag

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必填

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Object

对象

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平衡

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非重复值

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代码

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状态

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stateDiff

整数

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退货

数据

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请求

1
curl -X POST "https://docs-demo.matic.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": "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460",
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      "data": "0x919840ad"
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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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curl -X POST "https://docs-demo.matic.quiknode.pro/" \
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  -H "Content-Type: application/json" \
3
  -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": "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460",
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      "data": "0x919840ad"
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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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import { ethers } from "ethers";
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async 函数 main() {
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    const provider = new ethers.JsonRpcProvider("https://docs-demo.matic.quiknode.pro/");
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    const 响应 = await provider.send("eth_call", [
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    {
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        "to": "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460",
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        "data": "0x919840ad"
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    },
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    “最新”
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]);
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    控制台.日志(响应);
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}
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主();

1
import { ethers } from "ethers";
2

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async 函数 main() {
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    const provider = new ethers.JsonRpcProvider("https://docs-demo.matic.quiknode.pro/");
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    const 响应 = await provider.send("eth_call", [
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    {
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        "to": "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460",
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        "data": "0x919840ad"
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    },
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    “最新”
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]);
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    控制台.日志(响应);
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}
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主();

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来源 web3 import Web3, HTTPProvider
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w3 = Web3(HTTPProvider('https://docs-demo.matic.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="0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460", abi=abi)
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回复 = myContract.函数.balanceOf("0x0000000000000000000000000000000000000000").call()
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打印(响应)

1
来源 web3 import Web3, HTTPProvider
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w3 = Web3(HTTPProvider('https://docs-demo.matic.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="0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460", abi=abi)
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回复 = myContract.函数.balanceOf("0x0000000000000000000000000000000000000000").call()
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打印(响应)

1
import { createPublicClient, http } 来自 'viem'
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async 函数 main() {
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    const 客户端 = createPublicClient({
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        transport: http('https://docs-demo.matic.quiknode.pro/')
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    })
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    const 结果 = await client.request({
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        方法: 'eth_call',
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        参数: [
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          {
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            "to": "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460",
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            "data": "0x919840ad"
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          },
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          “最新”
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        ]
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    })
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    控制台.日志(结果)
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}
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主()

1
import { createPublicClient, http } 来自 'viem'
2

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async 函数 main() {
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    const 客户端 = createPublicClient({
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        transport: http('https://docs-demo.matic.quiknode.pro/')
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    })
7

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    const 结果 = await client.request({
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        方法: 'eth_call',
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        参数: [
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          {
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            "to": "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460",
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            "data": "0x919840ad"
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          },
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          “最新”
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        ]
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    })
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    控制台.日志(结果)
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}
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主()

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import { QuicknodeSdk } 来自 '@quicknode/sdk'
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const qn = new QuicknodeSdk({})
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const 结果 = await qn.rpc.调用(
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  'eth_call',
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  [
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  {
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    "to": "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460",
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    "data": "0x919840ad"
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  },
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  “最新”
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],
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  未定义,
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  'https://docs-demo.matic.quiknode.pro/'
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)
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控制台.log(结果)

1
import { QuicknodeSdk } 来自 '@quicknode/sdk'
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const qn = new QuicknodeSdk({})
4

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const 结果 = await qn.rpc.调用(
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  'eth_call',
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  [
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  {
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    "to": "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460",
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    "data": "0x919840ad"
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  },
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  “最新”
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],
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  未定义,
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  'https://docs-demo.matic.quiknode.pro/'
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)
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控制台.log(结果)

1
import asyncio
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来源quicknode_sdk import QuicknodeSdk, SdkFullConfig
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async def main():
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    qn = QuicknodeSdk(SdkFullConfig(api_key=None))
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    结果 = await qn.rpc.调用(
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        "eth_call",
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        [
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            {
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                "to": "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460",
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                "data": "0x919840ad"
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            },
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            “最新”
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        ],
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        endpoint_url="https://docs-demo.matic.quiknode.pro/",
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    )
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    打印(结果)
18

19
asyncio.run(main()))

1
import asyncio
2
来源quicknode_sdk import QuicknodeSdk, SdkFullConfig
3

4
async def main():
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    qn = QuicknodeSdk(SdkFullConfig(api_key=None))
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    结果 = await qn.rpc.调用(
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        "eth_call",
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        [
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            {
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                "to": "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460",
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                "data": "0x919840ad"
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            },
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            “最新”
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        ],
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        endpoint_url="https://docs-demo.matic.quiknode.pro/",
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    )
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    打印(结果)
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19
asyncio.run(main()))

1
require "quicknode_sdk"
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qn = QuicknodeSdk::SDK.from_config(api_key: nil)
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5
结果 = qn.rpc.call(
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  方法: “eth_call”,
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  params: [
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    {
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      "to" => "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460",
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      "data" => "0x919840ad"
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    },
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    “最新”
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  ],
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  endpoint_url: "https://docs-demo.matic.quiknode.pro/"
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)
16

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输出结果

1
require "quicknode_sdk"
2

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qn = QuicknodeSdk::SDK.from_config(api_key: nil)
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5
结果 = qn.rpc.call(
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  方法: “eth_call”,
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  params: [
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    {
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      "to" => "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460",
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      "data" => "0x919840ad"
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    },
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    “最新”
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  ],
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  endpoint_url: "https://docs-demo.matic.quiknode.pro/"
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)
16

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输出结果

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use quicknode_sdk::{QuicknodeSdk, SdkFullConfig};
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#[tokio::main]
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async fn main() -> Result<(), Box<dyn std::error::Error>> {
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    let qn = QuicknodeSdk::new(&SdkFullConfig::keyless())?;
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    let 结果 = qn
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        .rpc
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        .call(
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            "eth_call",
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            Some(serde_json::json!([
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    {
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        "to": "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460",
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        "data": "0x919840ad"
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    },
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    “最新”
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])),
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            无,
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            Some("https://docs-demo.matic.quiknode.pro/".into()),
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        )
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        .await？;
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    println!("{result}");
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    好的(())
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}

1
use quicknode_sdk::{QuicknodeSdk, SdkFullConfig};
2

3
#[tokio::main]
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async fn main() -> Result<(), Box<dyn std::error::Error>> {
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    let qn = QuicknodeSdk::new(&SdkFullConfig::keyless())?;
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    let 结果 = qn
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        .rpc
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        .call(
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            "eth_call",
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            Some(serde_json::json!([
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    {
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        "to": "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460",
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        "data": "0x919840ad"
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    },
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    “最新”
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])),
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            无,
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            Some("https://docs-demo.matic.quiknode.pro/".into()),
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        )
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        .await？;
21

22
    println!("{result}");
23
    好的(())
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}

1
const body = {
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    jsonrpc: '2.0',
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    方法: 'eth_call',
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    params: [{"to":"0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460","data":"0x919840ad"},"latest"],
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    id: 1
6
}
7

8
async 函数 main() {
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    const response = await fetch('https://docs-demo.matic.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 数据 = await 响应.json()
15
    控制台.日志(数据)
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}
17

18
主()

1
const body = {
2
    jsonrpc: '2.0',
3
    方法: 'eth_call',
4
    params: [{"to":"0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460","data":"0x919840ad"},"latest"],
5
    id: 1
6
}
7

8
async 函数 main() {
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    const response = await fetch('https://docs-demo.matic.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 数据 = await 响应.json()
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    控制台.日志(数据)
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}
17

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主()

1
导入 请求
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导入 json
3

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

6
有效载荷 = json.dumps({
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  "jsonrpc": "2.0",
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  “方法”: “eth_call”,
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  “params”: [
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    {
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      "to": "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460",
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      "data": "0x919840ad"
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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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标题 = {
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  “Content-Type”: 'application/json'
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}
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回复 = 请求.请求("POST", url, headers=headers, 数据=有效载荷)
23

24
打印(响应.text)

1
导入 请求
2
导入 json
3

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

6
有效载荷 = json.dumps({
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  "jsonrpc": "2.0",
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  “方法”: “eth_call”,
9
  “params”: [
10
    {
11
      "to": "0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460",
12
      "data": "0x919840ad"
13
    },
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    “最新”
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  ],
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  "id": 1
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})
18
标题 = {
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  “Content-Type”: 'application/json'
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}
21

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回复 = 请求.请求("POST", url, headers=headers, 数据=有效载荷)
23

24
打印(响应.text)

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

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

7
有效载荷 = {
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  jsonrpc: "2.0",
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  id: 1,
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  方法: “eth_call”,
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  params: [{"to":"0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460","data":"0x919840ad"},"latest"]
12
}
13

14
请求 = Net::HTTP::POST.new(URI)
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请求["Content-Type"] = "application/json"
16
请求.请求正文 = JSON.生成(有效载荷)
17

18
回复 = 净::HTTP.开始(uri.主机, uri.端口, use_ssl: true) 执行 |http|
19
  http.请求(请求)
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结束
21

22
返回响应。正文

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

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

7
有效载荷 = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  方法: “eth_call”,
11
  params: [{"to":"0x0fd43c8fabe26d70dfa4c8b6fa680db39f147460","data":"0x919840ad"},"latest"]
12
}
13

14
请求 = Net::HTTP::POST.new(URI)
15
请求["Content-Type"] = "application/json"
16
请求.请求正文 = JSON.生成(有效载荷)
17

18
回复 = 净::HTTP.开始(uri.主机, uri.端口, use_ssl: true) 执行 |http|
19
  http.请求(请求)
20
结束
21

22
返回响应。正文

回复

1
{
2
  "jsonrpc": "2.0",
3
  "id": 1,
4
  “结果”: "0x"
5
}

1
{
2
  "jsonrpc": "2.0",
3
  "id": 1,
4
  “结果”: "0x"
5
}

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