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7193245cd6
We don't add or maintain these, and they are of little value, as well as having the effect of polluting diffs. They are also wrong, i.e DEFAULT_SCRIPTCHECK_THREADS is not in validation.h.
128 lines
4.2 KiB
C++
128 lines
4.2 KiB
C++
// Copyright (c) 2024-present The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_INTERFACES_MINING_H
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#define BITCOIN_INTERFACES_MINING_H
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#include <consensus/amount.h>
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#include <interfaces/types.h>
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#include <node/types.h>
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#include <primitives/block.h>
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#include <primitives/transaction.h>
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#include <uint256.h>
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#include <util/time.h>
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#include <cstdint>
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#include <memory>
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#include <optional>
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#include <vector>
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namespace node {
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struct NodeContext;
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} // namespace node
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class BlockValidationState;
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class CScript;
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namespace interfaces {
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//! Block template interface
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class BlockTemplate
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{
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public:
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virtual ~BlockTemplate() = default;
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virtual CBlockHeader getBlockHeader() = 0;
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// Block contains a dummy coinbase transaction that should not be used.
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virtual CBlock getBlock() = 0;
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// Fees per transaction, not including coinbase transaction.
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virtual std::vector<CAmount> getTxFees() = 0;
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// Sigop cost per transaction, not including coinbase transaction.
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virtual std::vector<int64_t> getTxSigops() = 0;
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virtual CTransactionRef getCoinbaseTx() = 0;
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virtual std::vector<unsigned char> getCoinbaseCommitment() = 0;
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virtual int getWitnessCommitmentIndex() = 0;
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/**
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* Compute merkle path to the coinbase transaction
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*
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* @return merkle path ordered from the deepest
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*/
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virtual std::vector<uint256> getCoinbaseMerklePath() = 0;
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/**
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* Construct and broadcast the block.
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*
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* @returns if the block was processed, independent of block validity
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*/
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virtual bool submitSolution(uint32_t version, uint32_t timestamp, uint32_t nonce, CTransactionRef coinbase) = 0;
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/**
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* Waits for fees in the next block to rise, a new tip or the timeout.
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*
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* @param[in] options Control the timeout (default forever) and by how much total fees
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* for the next block should rise (default infinite).
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*
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* @returns a new BlockTemplate or nothing if the timeout occurs.
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*
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* On testnet this will additionally return a template with difficulty 1 if
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* the tip is more than 20 minutes old.
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*/
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virtual std::unique_ptr<BlockTemplate> waitNext(const node::BlockWaitOptions options = {}) = 0;
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};
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//! Interface giving clients (RPC, Stratum v2 Template Provider in the future)
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//! ability to create block templates.
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class Mining
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{
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public:
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virtual ~Mining() = default;
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//! If this chain is exclusively used for testing
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virtual bool isTestChain() = 0;
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//! Returns whether IBD is still in progress.
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virtual bool isInitialBlockDownload() = 0;
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//! Returns the hash and height for the tip of this chain
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virtual std::optional<BlockRef> getTip() = 0;
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/**
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* Waits for the connected tip to change. During node initialization, this will
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* wait until the tip is connected (regardless of `timeout`).
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*
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* @param[in] current_tip block hash of the current chain tip. Function waits
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* for the chain tip to differ from this.
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* @param[in] timeout how long to wait for a new tip (default is forever)
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*
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* @retval BlockRef hash and height of the current chain tip after this call.
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* @retval std::nullopt if the node is shut down.
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*/
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virtual std::optional<BlockRef> waitTipChanged(uint256 current_tip, MillisecondsDouble timeout = MillisecondsDouble::max()) = 0;
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/**
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* Construct a new block template.
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*
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* During node initialization, this will wait until the tip is connected.
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*
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* @param[in] options options for creating the block
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* @retval BlockTemplate a block template.
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* @retval std::nullptr if the node is shut down.
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*/
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virtual std::unique_ptr<BlockTemplate> createNewBlock(const node::BlockCreateOptions& options = {}) = 0;
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//! Get internal node context. Useful for RPC and testing,
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//! but not accessible across processes.
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virtual node::NodeContext* context() { return nullptr; }
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};
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//! Return implementation of Mining interface.
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std::unique_ptr<Mining> MakeMining(node::NodeContext& node);
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} // namespace interfaces
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#endif // BITCOIN_INTERFACES_MINING_H
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