debug_traceTransaction - SEI

Example code for the debug_traceTransaction JSON-RPC method. Complete guide on how to use debug_traceTransaction JSON-RPC in GetBlock Web3 documentation

Traces the execution of a transaction on the Sei network, returning detailed information about each step of the EVM execution.

Parameters

Parameter

Type

Description

transactionHash

string

The hash of the transaction to trace

options

object

Tracing options including 'tracer', 'timeout', 'enableMemory', etc. (optional)

Request

cURL

curl --location 'https://go.getblock.io/<ACCESS-TOKEN>/' \
--header 'Content-Type: application/json' \
--data '{
    "jsonrpc": "2.0",
    "method": "debug_traceTransaction",
    "params": ["0x88df016429689c079f3b2f6ad39fa052532c56795b733da78a91ebe6a713944b", {"tracer": "callTracer"}],
    "id": "getblock.io"
}'

request.js

import axios from 'axios';

const url = 'https://go.getblock.io/<ACCESS-TOKEN>/';

const payload = {
    jsonrpc: '2.0',
    method: 'debug_traceTransaction',
    params: ["0x88df016429689c079f3b2f6ad39fa052532c56795b733da78a91ebe6a713944b", {"tracer": "callTracer"}],
    id: 'getblock.io'
};

axios.post(url, payload, {
    headers: { 'Content-Type': 'application/json' }
})
.then(response => console.log(response.data))
.catch(error => console.error(error));

request.py

import requests
import json

url = "https://go.getblock.io/<ACCESS-TOKEN>/"

payload = json.dumps({
    "jsonrpc": "2.0",
    "method": "debug_traceTransaction",
    "params": ["0x88df016429689c079f3b2f6ad39fa052532c56795b733da78a91ebe6a713944b", {"tracer": "callTracer"}],
    "id": "getblock.io"
})

headers = {
    'Content-Type': 'application/json'
}

response = requests.post(url, headers=headers, data=payload)
print(response.json())

main.rs

use reqwest::Client;
use serde_json::json;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let client = Client::new();
    
    let response = client
        .post("https://go.getblock.io/<ACCESS-TOKEN>/")
        .header("Content-Type", "application/json")
        .json(&json!({
            "jsonrpc": "2.0",
            "method": "debug_traceTransaction",
            "params": ["0x88df016429689c079f3b2f6ad39fa052532c56795b733da78a91ebe6a713944b", {"tracer": "callTracer"}],
            "id": "getblock.io"
        }))
        .send()
        .await?;
    
    let result: serde_json::Value = response.json().await?;
    println!("{:#?}", result);
    
    Ok(())
}

Response

response.json

{
    "jsonrpc": "2.0",
    "id": "getblock.io",
    "result": {
        "type": "CALL",
        "from": "0x742d35Cc...",
        "to": "0x123456...",
        "value": "0x0",
        "gas": "0x5208",
        "gasUsed": "0x5208",
        "input": "0x...",
        "output": "0x..."
    }
}

Response Parameters

Field

Type

Description

result

object

The trace result object with execution details

Use Case

The debug_traceTransaction method is essential for:

Blockchain developers building applications on Sei
Wallet applications requiring network data
Analytics platforms tracking Sei network activity
DeFi protocols integrating with Sei's parallelized EVM

Error Handling

Common errors when using this method

Error Code

Message

Description

-32700

Parse error

Invalid JSON

-32600

Invalid Request

JSON is not a valid request object

-32601

Method not found

Method does not exist

-32602

Invalid params

Invalid method parameters

-32603

Internal error

Internal JSON-RPC error

-32000

Invalid input

Generic input error

-32500

Cross-VM error

Error in cross-VM operation (Sei-specific)

Web3 Integration

ethers.js

import { ethers } from 'ethers';

const provider = new ethers.JsonRpcProvider('https://go.getblock.io/<ACCESS-TOKEN>/');

// Using ethers provider methods
const result = await provider.send('debug_traceTransaction', ["0x88df016429689c079f3b2f6ad39fa052532c56795b733da78a91ebe6a713944b", {"tracer": "callTracer"}]);
console.log(result);

viem.js

import { createPublicClient, http } from 'viem';
import { sei } from 'viem/chains';

const client = createPublicClient({
    chain: sei,
    transport: http('https://go.getblock.io/<ACCESS-TOKEN>/')
});

// Using viem's request method
const result = await client.request({
    method: 'debug_traceTransaction',
    params: ["0x88df016429689c079f3b2f6ad39fa052532c56795b733da78a91ebe6a713944b", {"tracer": "callTracer"}]
});
console.log(result);

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