verifymessage - Dogecoin

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

This method verifies a signed message.

Returns true if the signature is valid for the address and message.
Returns false if the signature is invalid.
Does not require the private key (public verification only).
Compatible with signatures from signmessage.

Parameters

Parameter

Type

Required

Description

address

string

Yes

The Dogecoin address that signed the message.

signature

string

Yes

The base64-encoded signature.

message

string

Yes

The original message that was signed.

Request

cURL

curl --location --request POST 'https://go.getblock.io/<ACCESS-TOKEN>/' \
--header 'Content-Type: application/json' \
--data-raw '{
    "jsonrpc": "2.0",
    "method": "verifymessage",
    "params": ["DLGbK6mCjBT67r8wjJqCg8hkFiBYV5JquH", "H1b2c3d4e5f6g7h8i9j0...", "Hello, Dogecoin!"],
    "id": "getblock.io"
}'

verifymessage.js

const axios = require('axios');

const data = JSON.stringify({
    "jsonrpc": "2.0",
    "method": "verifymessage",
    "params": ["DLGbK6mCjBT67r8wjJqCg8hkFiBYV5JquH", "H1b2c3d4e5f6g7h8i9j0...", "Hello, Dogecoin!"],
    "id": "getblock.io"
});

const config = {
    method: 'post',
    url: 'https://go.getblock.io/<ACCESS-TOKEN>/',
    headers: {
        'Content-Type': 'application/json'
    },
    data: data
};

axios(config)
    .then(response => console.log(JSON.stringify(response.data)))
    .catch(error => console.log(error));

verifymessage.py

import requests
import json

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

payload = json.dumps({
    "jsonrpc": "2.0",
    "method": "verifymessage",
    "params": ["DLGbK6mCjBT67r8wjJqCg8hkFiBYV5JquH", "H1b2c3d4e5f6g7h8i9j0...", "Hello, Dogecoin!"],
    "id": "getblock.io"
})

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

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

verifymessage.rs

use reqwest::header;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let client = reqwest::Client::new();
    
    let response = client
        .post("https://go.getblock.io/<ACCESS-TOKEN>/")
        .header(header::CONTENT_TYPE, "application/json")
        .body(r#"{
            "jsonrpc": "2.0",
            "method": "verifymessage",
            "params": ["DLGbK6mCjBT67r8wjJqCg8hkFiBYV5JquH", "signature", "Hello, Dogecoin!"],
            "id": "getblock.io"
        }"#)
        .send()
        .await?;
    
    println!("{}", response.text().await?);
    Ok(())
}

Response

response.json

{
    "result": true,
    "error": null,
    "id": "getblock.io"
}

Response Parameters

Field

Type

Description

result

boolean

True if signature is valid, false otherwise.

error

null

Error object (null if no error).

string

Request identifier.

Use Case

The verifymessage method is essential for:

Verifying address ownership proofs
Authentication validation
Signature verification
Trust verification systems
Proof of identity checks

Error Handling

Error Code

Message

Cause

-3

Invalid address

Invalid Dogecoin address.

-5

Malformed signature

Invalid base64 signature.

403

Forbidden

Missing or invalid ACCESS-TOKEN.

Previousvalidateaddress - Dogecoin Nextsignmessage - Dogecoin {disallowed}

Last updated 7 days ago

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