Estimate gas usage for a Celestia transaction

curlgorust

Copied!

curl \
  -X POST 'https://t.tech/v0/gas_estimate' \
  -H 'Authorization: Bearer <YOUR API KEY>' \
  -H 'Content-Type: application/json' \
  -d '{"fromAddress": "REPLACE ME", "toAddress": "REPLACE ME", "amount": "REPLACE ME"}'

package main

import (
  "bytes"
  "encoding/json"
  "fmt"
  "io"
  "net/http"
)

func main() {
  url := "https://t.tech/v0/gas_estimate"
  apiKey := "Your API Key" // Replace with your actual token

  payload := map[string]interface{}{"fromAddress": "REPLACE ME", "toAddress": "REPLACE ME", "amount": "REPLACE ME",
  }

  jsonPayload, err := json.Marshal(payload)
  if err != nil {
    fmt.Println("Error marshalling JSON:", err)
    return
  }

  req, err := http.NewRequest("POST", url, bytes.NewBuffer(jsonPayload))
  if err != nil {
    fmt.Println("Error creating request:", err)
    return
  }

  req.Header.Set("Content-Type", "application/json")
  req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", apiKey))

  client := &http.Client{}
  resp, err := client.Do(req)
  if err != nil {
    fmt.Println("Error sending request:", err)
    return
  }
  defer resp.Body.Close()

  body, err := io.ReadAll(resp.Body)
  if err != nil {
    fmt.Println("Error reading response body:", err)
    return
  }

  fmt.Println("Status:", resp.Status)
  fmt.Println("Response:", string(body))
}

// Cargo.toml dependencies:
// [dependencies]
// reqwest = { version = "0.12", features = ["json"] }
// serde_json = { version = "1.0" }
// tokio = { version = "1.46", features = ["macros", "rt-multi-thread"] }
use reqwest::{Client, header};
use serde_json::json;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let client = Client::new();
    let url = "https://t.tech/v0/gas_estimate";
    let api_key = "Your API Key"; // Replace with your actual token

    let payload = json!({
        "fromAddress": "REPLACE ME", "toAddress": "REPLACE ME", "amount": "REPLACE ME",
    });

    let res = client
        .post(url)
        .header(header::CONTENT_TYPE, "application/json")
        .bearer_auth(api_key)
        .json(&payload)
        .send()
        .await?;

    let status = res.status();
    let body = res.text().await?;
    println!("Status: {}", status);
    println!("Response: {}", body);

    Ok(())
}

json

Copied!

{
  "gasUsed": 68961,
  "gasLimit": 75858,
  "bufferPercent": 10
}