getblocktemplate - Litecoin

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

Returns data needed to construct a block to work on.

Parameters

Parameter	Type	Description
template_request	object	Optional. JSON object with optional fields.

Request

cURL

cURL

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

Axios (JavaScript)

Python (requests)

Rust (reqwest)

Response

response.json

{
    "jsonrpc": "2.0",
    "id": "getblock.io",
    "result": {
        "capabilities": ["proposal"],
        "version": 536870912,
        "rules": ["csv", "segwit", "mweb"],
        "previousblockhash": "blockhash...",
        "transactions": [],
        "coinbaseaux": {},
        "coinbasevalue": 625000000,
        "target": "0000000000000...",
        "mintime": 1640000000,
        "mutable": ["time", "transactions", "prevblock"],
        "noncerange": "00000000ffffffff",
        "sigoplimit": 80000,
        "sizelimit": 4000000,
        "curtime": 1640000001,
        "bits": "1a0fffff",
        "height": 2750001
    }
}

Response Parameters

Field	Type	Description
version	number	The preferred block version.
previousblockhash	string	The hash of current highest block.
transactions	array	Contents of non-coinbase transactions.
coinbasevalue	number	Maximum allowable input to coinbase.
height	number	The height of the next block.

Use Case

The getblocktemplate method is essential for:

• Mining pool implementation

• Block construction

• Mining software development

• Solo mining

Error Handling

Status Code	Error Message	Cause
403	Forbidden	Missing or invalid ACCESS-TOKEN.

Integration Notes

The getblocktemplate method helps developers build robust applications that interact with the Litecoin blockchain.