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Get Mining Block

Requests a block to begin working on a PoW solution. This method is primarily meant to support mining pool operation, so that miners do not need to function as DLT nodes and can simply request work units from the pool controller or another designated DLT Node.

The function only returns the relevant block data required for computing the PoW solution.

Note: In a cooperative pool mining, the solution should incorporate the pool controller’s wallet address, so that it can be successfully verified by the DLT network. The pool controller is responsible for further reward payouts based on miner participation or any other metric at the pool’s discretion.


ID Name Description
-1 No algorithm Stop mining.
0 lowestDifficulty Pick the block with the lowest difficulty value.
1 randomLowestDifficulty Sort blocks from easiest to hardest and pick a random block within the easiest 500 blocks.
2 latestBlock Pick the most recent accepted block.
3 random Pick a random block.

Method: getminingblock

Input parameters:

Parameter Type Required Description
algo Number Yes ID of the desired mining algorithm


Error Description
RPC_INVALID_PARAMETER The required parameter is missing.
RPC_INTERNAL_ERROR An unknown error occured in the node. Please check the node log for details.



GET http://localhost:8081/getminingblock?algo=1

  "result": {
    "num": 233456,
    "ver": 4,
    "dif": 11730489520294945000,
    "chk": "vq00ZxZ...QYMCaRmn7GAMhHx4=",
    "adr": "AVB+ikpJqpX6K+dZriTTbuQ/Tt6Eh4oQ3pKpelESHnGD1T0769Sm/ERgb0kCZoNo"
  "error": null,
  "id": null

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