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Lithos

A decentralized mining pool protocol on Ergo. Miners build their own blocks; contracts pay them for proven work.

Live on Ergo mainnet
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Lithos
© 2026 Lithos Protocol. Open source under the MIT licence.λίθος — stone
Docs/Client API/Blocks

Block info for multiple UTXO ids

post/blocks/utxoIds

Get confirmed pool-block metadata for the requested UTXO ids from the current usable synchronization view. The whole request returns 404 if any id is unavailable.

Request body

string[] · application/json
string[]

Responses

200Pool blocks corresponding to ids providedPoolBlock[]▶
  • utxoIdstringrequired

    UTXO id of Lithos contract currently processing this block

  • blockIdstringrequired

    Header id associated with this block

  • blockHeightinteger · int32required

    Height of this Lithos-mined block

  • numMinersinteger · int32required

    Number of miners which are currently being processed by this Lithos pool contract

  • phasestringrequired

    Current LFSM phase of the associated Lithos contract

404Not all ids correspond to an existing pool blockApiError▶
  • errorintegerrequired

    Error code

  • reasonstringrequired

    Error message explaining the reason of the error

  • detailstringrequirednullable

    Detailed error description

defaultErrorApiError▶
  • errorintegerrequired

    Error code

  • reasonstringrequired

    Error message explaining the reason of the error

  • detailstringrequirednullable

    Detailed error description

← PreviousBlock info by UTXO idNext →Get a block's miner set
Request
curl -X POST "http://localhost:9000/blocks/utxoIds" \
  -H "Content-Type: application/json" \
  -d '[ "88c297f99da7172f6aa20efbead69aa40e2b7734a1873d66ca1db6b19d214db6" ]'
Response
[
  {
    "utxoId": "88c297f99da7172f6aa20efbead69aa40e2b7734a1873d66ca1db6b19d214db6",
    "blockId": "2a7de28034ca523685d9a03c30d06c36863a804f69c2e4add4d83c8c2ba26271",
    "blockHeight": 42853,
    "numMiners": 12,
    "phase": "HOLDING"
  }
]