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Protocol
  • Lithos Protocol
  • LFSM
    • Rollups
    • NISPs
    • Emissions
    • Mining on Lithos
    • Candidate building
    • Ergo Voting
  • LithosDex
    • Choosing a pool
    • Trading with orders
    • Providing liquidity
    • Creating a pool
    • Difficulty forwards
Run Lithos
  • Startup guide
    • Setting up an Ergo node
  • Configuration
    • Node connection and security
    • Stratum and difficulty
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    • Batching and orders
    • Collateral and emission
    • Wallet and consolidation
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    • Tasks and dispatchers
    • Failure modes
    • Reporting issues
    • Renting hashrate into Lithos
    • Checking your wallet
Client API
  • Overview
    • getLithos client information
    • getList UTXO ids for blocks
    • getUTXO ids by block height
    • getBlock info by UTXO id
    • postBlock info for multiple UTXO ids
    • getGet a block's miner set
    • getList all pool blocks
    • getGet Lithos payouts
    • getStatistics overview
    • getMining and payment totals
    • getMining statistics by hour or day
    • getEstimate Lithos hashrate
    • getNetwork difficulty by epoch
    • getThis client's own hashrate
    • getThis client's hashrate over time
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    • getCollateral inventory
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    • getLocal mining activity
    • getCollateral market snapshot
    • getList queue boxes
    • getList the active set
    • getPermit price history
    • getYour lending status
    • postQuote joining the queue
    • postJoin the collateral queue
    • getLithosDex pool state
    • getEvery LithosDex pool
    • getOne LithosDex pool and its vault
    • getList your outstanding orders on any pool
    • postQuote a direct swap on any pool
    • postSwap directly on any pool
    • postQuote a direct deposit on any pool
    • postDeposit directly on any pool
    • postQuote a direct redemption on any pool
    • postRedeem a provision directly on any pool
    • getList your provisions on any pool
    • postClaim a provision's fees on any pool
    • postCheck a flush on any pool
    • postFlush any pool
    • getA verified pool's price history
    • getA verified pool's fee history
    • getA verified pool's recent activity
    • getA provision's fee history on a verified pool
    • postQuote a new LithosDex pool
    • postCreate a LithosDex pool
    • postQuote a swap order on any pool
    • postPlace a swap order on any pool
    • postQuote a deposit order on any pool
    • postPlace a deposit order on any pool
    • postQuote a redeem order on any pool
    • postPlace a redeem order on any pool
    • getLithosDex fee vault state
    • getList your outstanding orders
    • postQuote a swap order
    • postPlace a swap order
    • postQuote a deposit order
    • postPlace a deposit order
    • postQuote a redeem order
    • postPlace a redeem order
    • postCancel an order
    • postQuote a swap
    • postQuote a swap by desired output
    • postExecute a swap
    • postQuote a liquidity deposit
    • postDeposit liquidity
    • postQuote a liquidity redemption
    • postRedeem liquidity
    • getList liquidity provisions
    • postLook up provision NFTs
    • postClaim settled fees for a provision
    • postQuote a provision resize
    • postResize a provision
    • postCheck a pending fee flush
    • postFlush pending fees to the vault
    • getPool-wide fee history
    • getPool price history
    • getRecent pool activity
    • getFee history for one provision
    • getDifficulty accumulator and the next epoch's difficulty
    • getList open offers
    • postCreate an offer
    • postQuote an offer
    • postQuote filling an offer
    • postFill an offer
    • postQuote cancelling an offer
    • postCancel an offer
    • getThe whole market
    • getYour settled positions and closed offers
    • getList your positions and offers
    • postQuote settling a position
    • postSettle a position
    • getWallet balances
    • getYour block rewards
    • postClaim unlocked block rewards
    • getVerified tokens
    • getGet Stratum information
    • getGet candidate settings
    • getGet difficulty commitment
    • postCommit a difficulty
    • getGet best NISP at height
Lithos

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

Live on Ergo mainnet
Protocol
  • How Lithos works
  • Mining on Lithos
  • NISPs
  • Emissions
  • LFSM contracts
Run Lithos
  • Startup guide
  • Configuration
  • LithosDex
  • Difficulty forwards
  • Client API
  • Failure modes
Network
  • Live stats
  • Public stats API
  • Ergo Platform↗
  • SOAT Miner↗
Community
  • Telegram↗
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  • GitHub↗
Lithos
© 2026 Lithos Protocol. The Lithos client, its contracts and Lithos Launcher are open source under CC0.λίθος — stone
Docs/Client API/Difficulty Forwards

Quote cancelling an offer

post/forwards/offers/{boxId}/cancel/check

What cancelling one of this wallet's offers returns. No body.

Path parameters

  • boxIdstringrequired

    Offer box id, as listed by GET /forwards/offers or GET /forwards/positions.

Responses

200Quote for the cancelDFCancelQuote▶
  • boxIdstringrequired
  • returnedLitstringrequired
  • returnedNanoErgsstringrequired
  • networkFeestringrequired
  • feeFromOfferbooleanrequired

    Whether the fee comes out of the offer's own ERG rather than the wallet.

404No unspent offer made by this wallet has that id.ApiError▶
  • errorintegerrequired

    Error code

  • reasonstringrequired

    Error message explaining the reason of the error

  • detailstringrequirednullable

    Detailed error description

503Node unavailable. Retry.ApiError▶
  • 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

← PreviousFill an offerNext →Cancel an offer
Request
curl -X POST "http://localhost:9000/forwards/offers/{boxId}/cancel/check"
Response
{
  "boxId": "string",
  "returnedLit": "string",
  "returnedNanoErgs": "string",
  "networkFee": "string",
  "feeFromOffer": true
}