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Stable release v32.1bitcoin/bitcoin · f0de87f04062 ↗3,020 source files · 47.5 MB stored on the server440 file guides

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1// Copyright (c) 2019-present The Bitcoin Core developers
2// Distributed under the MIT software license, see the accompanying
3// file COPYING or http://www.opensource.org/licenses/mit-license.php.
4
5#include <test/util/mining.h>
6
7#include <addresstype.h>
8#include <chain.h>
9#include <chainparams.h>
10#include <consensus/merkle.h>
11#include <consensus/validation.h>
12#include <interfaces/mining.h>
13#include <key_io.h>
14#include <node/context.h>
15#include <pow.h>
16#include <primitives/block.h>
17#include <primitives/transaction.h>
18#include <script/script.h>
19#include <sync.h>
20#include <test/util/script.h>
21#include <uint256.h>
22#include <util/check.h>
23#include <validation.h>
24#include <validationinterface.h>
25#include <versionbits.h>
26
27#include <cstdint>
28#include <memory>
29#include <optional>
30#include <utility>
31
32using node::NodeContext;
33
34COutPoint generatetoaddress(const NodeContext& node, const std::string& address)
35{
36    const auto dest = DecodeDestination(address);
37    assert(IsValidDestination(dest));
38    return MineBlock(node, {
39        .coinbase_output_script = GetScriptForDestination(dest),
40    });
41}
42
43std::vector<std::shared_ptr<CBlock>> CreateBlockChain(size_t total_height, const CChainParams& params)
44{
45    std::vector<std::shared_ptr<CBlock>> ret{total_height};
46    auto time{params.GenesisBlock().nTime};
47    // NOTE: here `height` does not correspond to the block height but the block height - 1.
48    for (size_t height{0}; height < total_height; ++height) {
49        CBlock& block{*(ret.at(height) = std::make_shared<CBlock>())};
50
51        CMutableTransaction coinbase_tx;
52        coinbase_tx.nLockTime = static_cast<uint32_t>(height);
53        coinbase_tx.vin.resize(1);
54        coinbase_tx.vin[0].prevout.SetNull();
55        coinbase_tx.vin[0].nSequence = CTxIn::MAX_SEQUENCE_NONFINAL; // Make sure timelock is enforced.
56        coinbase_tx.vout.resize(1);
57        coinbase_tx.vout[0].scriptPubKey = P2WSH_OP_TRUE;
58        coinbase_tx.vout[0].nValue = GetBlockSubsidy(height + 1, params.GetConsensus());
59        // Always include OP_0 as a dummy extraNonce.
60        coinbase_tx.vin[0].scriptSig = CScript() << (height + 1) << OP_0;
61        block.vtx = {MakeTransactionRef(std::move(coinbase_tx))};
62
63        block.nVersion = VERSIONBITS_LAST_OLD_BLOCK_VERSION;
64        block.hashPrevBlock = (height >= 1 ? *ret.at(height - 1) : params.GenesisBlock()).GetHash();
65        block.hashMerkleRoot = BlockMerkleRoot(block);
66        block.nTime = ++time;
67        block.nBits = params.GenesisBlock().nBits;
68        block.nNonce = 0;
69
70        while (!CheckProofOfWork(block.GetHash(), block.nBits, params.GetConsensus())) {
71            ++block.nNonce;
72            assert(block.nNonce);
73        }
74    }
75    return ret;
76}
77
78bool BuildChain(const NodeContext& node, const CBlockIndex* pindex,
79    const CScript& coinbase_script_pub_key,
80    size_t length,
81    std::vector<std::shared_ptr<CBlock>>& chain)
82{
83    auto mining{interfaces::MakeMining(node)};
84    const Consensus::Params& consensus{Assert(node.chainman)->GetConsensus()};
85
86    chain.resize(length);
87    for (auto& chain_block : chain) {
88        auto block_template{mining->createNewBlock({
89            .use_mempool = false,
90            .coinbase_output_script = coinbase_script_pub_key,
91        }, /*cooldown=*/false)};
92        CBlock block{Assert(block_template)->getBlock()};
93
94        // The template is built on the active tip, so repoint it at pindex and
95        // redo the fields that depend on the predecessor.
96        block.hashPrevBlock = pindex->GetBlockHash();
97        block.nTime = pindex->nTime + 1;
98        {
99            CMutableTransaction tx_coinbase{*block.vtx.at(0)};
100            tx_coinbase.nLockTime = static_cast<uint32_t>(pindex->nHeight);
101            tx_coinbase.vin.at(0).scriptSig = CScript{} << pindex->nHeight + 1;
102            block.vtx.at(0) = MakeTransactionRef(std::move(tx_coinbase));
103            block.hashMerkleRoot = BlockMerkleRoot(block);
104        }
105
106        while (!CheckProofOfWork(block.GetHash(), block.nBits, consensus)) ++block.nNonce;
107
108        chain_block = std::make_shared<CBlock>(std::move(block));
109
110        BlockValidationState state;
111        if (!Assert(node.chainman)->ProcessNewBlockHeaders({{*chain_block}}, true, state, &pindex)) {
112            return false;
113        }
114    }
115
116    return true;
117}
118
119COutPoint MineBlock(const NodeContext& node, const node::BlockCreateOptions& assembler_options)
120{
121    auto block = PrepareBlock(node, assembler_options);
122    auto valid = MineBlock(node, block);
123    assert(!valid.IsNull());
124    return valid;
125}
126
127struct BlockValidationStateCatcher : public CValidationInterface {
128    const uint256 m_hash;
129    std::optional<BlockValidationState> m_state;
130
131    BlockValidationStateCatcher(const uint256& hash)
132        : m_hash{hash},
133          m_state{} {}
134
135protected:
136    void BlockChecked(const std::shared_ptr<const CBlock>& block, const BlockValidationState& state) override
137    {
138        if (block->GetHash() != m_hash) return;
139        m_state = state;
140    }
141};
142
143COutPoint MineBlock(const NodeContext& node, std::shared_ptr<CBlock>& block)
144{
145    while (!CheckProofOfWork(block->GetHash(), block->nBits, Params().GetConsensus())) {
146        ++block->nNonce;
147        assert(block->nNonce);
148    }
149
150    return ProcessBlock(node, block);
151}
152
153COutPoint ProcessBlock(const NodeContext& node, const std::shared_ptr<CBlock>& block)
154{
155    auto& chainman{*Assert(node.chainman)};
156    const auto old_height = WITH_LOCK(chainman.GetMutex(), return chainman.ActiveHeight());
157    bool new_block;
158    BlockValidationStateCatcher bvsc{block->GetHash()};
159    node.validation_signals->RegisterValidationInterface(&bvsc);
160    const bool processed{chainman.ProcessNewBlock(block, true, true, &new_block)};
161    const bool duplicate{!new_block && processed};
162    assert(!duplicate);
163    node.validation_signals->UnregisterValidationInterface(&bvsc);
164    node.validation_signals->SyncWithValidationInterfaceQueue();
165    const bool was_valid{bvsc.m_state && bvsc.m_state->IsValid()};
166    assert(old_height + was_valid == WITH_LOCK(chainman.GetMutex(), return chainman.ActiveHeight()));
167
168    if (was_valid) return {block->vtx[0]->GetHash(), 0};
169    return {};
170}
171
172std::shared_ptr<CBlock> PrepareBlock(const NodeContext& node,
173                                     const node::BlockCreateOptions& assembler_options)
174{
175    auto mining = interfaces::MakeMining(node);
176    auto block_template = mining->createNewBlock(assembler_options, /*cooldown=*/false);
177    auto block = std::make_shared<CBlock>(Assert(block_template)->getBlock());
178
179    LOCK(cs_main);
180    block->nTime = Assert(node.chainman)->ActiveChain().Tip()->GetMedianTimePast() + 1;
181    block->hashMerkleRoot = BlockMerkleRoot(*block);
182
183    return block;
184}
185

src/wallet/receive.cpp

src/wallet/coinselection.cpp

src/consensus/validation.h

src/primitives/transaction.cpp

src/script/descriptor.cpp

src/bitcoin-cli.cpp

src/rpc/blockchain.cpp

src/rpc/rawtransaction.cpp

src/init.cpp

src/crypto/sha256.cpp

src/consensus/merkle.h

src/consensus/tx_check.h

src/consensus/tx_verify.h

src/policy/feerate.h

src/policy/feerate.cpp

src/primitives/transaction_identifier.h

src/chainparamsbase.h

src/chainparamsbase.cpp

src/util/moneystr.cpp

src/crypto/ripemd160.h

src/crypto/sha1.h

src/crypto/sha512.h

src/crypto/hmac_sha256.h

src/crypto/hmac_sha512.h

src/crypto/hmac_sha256.cpp

src/crypto/hmac_sha512.cpp

src/crypto/hkdf_sha256_32.h

src/crypto/hkdf_sha256_32.cpp

src/support/cleanse.h

src/support/cleanse.cpp

src/crypto/siphash.cpp

src/crypto/muhash.h

src/crypto/chacha20.h

src/crypto/poly1305.h

src/crypto/chacha20poly1305.h

src/crypto/chacha20poly1305.cpp

src/util/chaintype.cpp

src/util/obfuscation.h

src/util/byte_units.h

src/util/overflow.h

src/blockencodings.cpp

src/net_permissions.cpp

src/policy/packages.cpp

src/policy/rbf.cpp

src/policy/truc_policy.cpp

src/policy/ephemeral_policy.cpp

src/policy/settings.cpp

src/policy/policy.cpp

src/node/transaction.cpp

src/node/coin.cpp

src/rpc/client.cpp

src/rpc/external_signer.cpp

src/rpc/request.cpp

src/rpc/server_util.cpp

src/rpc/fees.cpp

src/rpc/output_script.cpp

src/rpc/rawtransaction_util.cpp

src/rpc/rawtransaction_util.h

src/rpc/register.h

src/rpc/request.h

src/rpc/server_util.h

src/rpc/protocol.h

src/rpc/server.h

src/rpc/signmessage.cpp

src/rpc/txoutproof.cpp

src/rpc/util.cpp

src/rpc/util.h

src/wallet/rpc/addresses.cpp

src/wallet/rpc/backup.cpp

src/wallet/rpc/coins.cpp

src/wallet/rpc/encrypt.cpp

src/wallet/rpc/signmessage.cpp

src/wallet/rpc/util.cpp

src/wallet/rpc/util.h

src/wallet/coincontrol.cpp

src/wallet/coincontrol.h

src/wallet/context.cpp

src/wallet/context.h

src/wallet/crypter.cpp

src/wallet/crypter.h

src/wallet/db.cpp

src/wallet/export.cpp

src/wallet/external_signer_scriptpubkeyman.cpp

src/wallet/rpc/spend.cpp

src/wallet/rpc/transactions.cpp

src/wallet/rpc/wallet.cpp

src/wallet/feebumper.cpp

src/wallet/feebumper.h

src/index/base.h

src/index/base.cpp

src/index/txindex.h

src/index/txindex.cpp

src/index/txindex_key.h

src/index/txospenderindex.h

src/index/txospenderindex.cpp

src/index/blockfilterindex.h

src/index/blockfilterindex.cpp

src/index/coinstatsindex.h

src/index/coinstatsindex.cpp

src/index/db_key.h

src/index/disktxpos.h

src/kernel/chain.cpp

src/kernel/chain.h

src/kernel/checks.cpp

src/kernel/checks.h

src/kernel/context.cpp

src/kernel/context.h

src/kernel/cs_main.cpp

src/kernel/cs_main.h

src/kernel/disconnected_transactions.cpp

src/kernel/disconnected_transactions.h

src/kernel/mempool_removal_reason.cpp

src/kernel/mempool_removal_reason.h

src/kernel/coinstats.cpp

src/kernel/coinstats.h

src/kernel/chainparams.cpp

src/kernel/chainparams.h

src/wallet/sqlite.cpp

src/wallet/sqlite.h

src/wallet/transaction.cpp

src/wallet/transaction.h

src/wallet/dump.cpp

src/wallet/dump.h

src/wallet/init.cpp

src/wallet/walletutil.cpp

src/wallet/walletutil.h

src/wallet/wallettool.cpp

src/wallet/wallettool.h

src/wallet/export.h

src/wallet/migrate.cpp

src/wallet/migrate.h

src/wallet/db.h

src/wallet/walletdb.cpp

src/wallet/interfaces.cpp

src/wallet/scriptpubkeyman.cpp

src/wallet/scriptpubkeyman.h

src/kernel/bitcoinkernel.cpp

src/kernel/bitcoinkernel.h

src/kernel/bitcoinkernel_wrapper.h

src/node/chainstate.cpp

src/node/chainstate.h

src/node/blockstorage.cpp

src/node/blockstorage.h

src/node/mempool_persist.cpp

src/node/mempool_persist.h

src/node/utxo_snapshot.cpp

src/node/utxo_snapshot.h

src/node/kernel_notifications.cpp

src/node/kernel_notifications.h

src/node/blockmanager_args.cpp

src/kernel/blockmanager_opts.h

src/util/expected.cpp

src/policy/settings.h

src/util/types.h

src/kernel/messagestartchars.h

src/kernel/warning.h

src/util/exception.h

src/common/license_info.h

src/node/coins_view_args.h

src/node/database_args.h

src/util/batchpriority.h

src/util/ui_change_type.h

src/node/coins_view_args.cpp

src/node/peerman_args.h

src/util/serfloat.h

src/node/blockmanager_args.h

src/node/database_args.cpp

src/util/overloaded.h

src/interfaces/types.h

src/node/chainstatemanager_args.h

src/node/minisketchwrapper.h

src/util/macros.h

src/util/syserror.h

src/common/run_command.h

src/util/bytevectorhash.cpp

src/node/mempool_persist_args.cpp

src/util/exec.h

src/util/rbf.h

src/crypto/hex_base.h

src/node/mempool_persist_args.h

src/interfaces/echo.h

src/util/any.h

src/util/batchpriority.cpp

src/util/threadnames.h

src/node/coin.h

src/node/mempool_args.h

src/util/asmap.h

src/util/bytevectorhash.h

src/node/context.cpp

src/util/insert.h

src/util/readwritefile.h

src/node/peerman_args.cpp

src/node/interface_ui.cpp

src/interfaces/handler.h

src/node/mining_args.h

src/util/hasher.cpp

src/common/init.h

src/kernel/mempool_limits.h

src/common/system.h

src/crypto/sha3.h

src/util/threadinterrupt.cpp

src/node/protocol_version.h

src/util/exception.cpp

src/common/messages.h

src/node/connection_types.cpp

src/util/bip32.h

src/common/license_info.cpp

src/util/stdmutex.h

src/common/run_command.cpp

src/util/check.cpp

src/util/golombrice.h

src/node/types.h

src/node/timeoffsets.h

src/util/readwritefile.cpp

src/util/fastrange.h

src/util/signalinterrupt.h

src/util/task_runner.h

src/util/syserror.cpp

src/common/interfaces.cpp

src/common/types.h

src/util/threadinterrupt.h

src/kernel/chainstatemanager_opts.h

src/node/psbt.h

src/policy/ephemeral_policy.h

src/util/trace.h

src/common/url.cpp

src/kernel/mempool_options.h

src/util/serfloat.cpp

src/kernel/notifications_interface.h

src/node/timeoffsets.cpp

src/node/warnings.cpp

src/util/hash_type.h

src/crypto/hex_base.cpp

src/node/eviction.h

src/util/tokenbucket.h

src/crypto/aes.h

src/common/pcp.h

src/util/feefrac.cpp

src/node/transaction.h

src/util/threadnames.cpp

src/common/signmessage.h

src/util/exec.cpp

src/util/signalinterrupt.cpp

src/clientversion.cpp

src/common/signmessage.cpp

src/compat/assumptions.h

src/compat/byteswap.h

src/deploymentinfo.cpp

src/deploymentinfo.h

src/deploymentstatus.cpp

src/deploymentstatus.h

src/dummywallet.cpp

src/external_signer.h

src/init/bitcoin-gui.cpp

src/init/bitcoin-node.cpp

src/init/bitcoin-qt.cpp

src/init/bitcoin-wallet.cpp

src/init/bitcoind.cpp

src/init/common.h

src/interfaces/init.h

src/interfaces/ipc.h

src/key_io.h

src/logging/categories.h

src/logging/timer.h

src/mapport.h

src/musig.h

src/net_permissions.h

src/netgroup.h

src/netmessagemaker.h

src/node/chainstatemanager_args.cpp

src/node/connection_types.h

src/node/context.h

src/node/interface_ui.h

src/node/mempool_args.cpp

src/node/mining_args.cpp

src/node/minisketchwrapper.cpp

src/node/txreconciliation.h

src/policy/fees/estimator_args.cpp

src/policy/fees/estimator_args.h

src/policy/fees/estimator_man.cpp

src/policy/fees/estimator_man.h

src/policy/packages.h

src/policy/rbf.h

src/policy/truc_policy.h

src/pow.h

src/primitives/block.cpp

src/randomenv.h

src/rest.h

src/script/keyorigin.h

src/script/parsing.cpp

src/script/parsing.h

src/script/script_error.h

src/script/sigcache.cpp

src/script/sigcache.h

src/script/solver.h

src/script/verify_flags.h

src/semaphore_grant.h

src/signet.h

src/span.h

src/support/allocators/secure.h

src/support/allocators/zeroafterfree.h

src/util/tokenpipe.cpp

src/util/translation.h

src/util/vector.h

src/versionbits.h

src/versionbits_impl.h

src/wallet/external_signer_scriptpubkeyman.h

src/wallet/fees.h

src/wallet/load.h

src/wallet/receive.h

src/wallet/rpc/wallet.h

src/wallet/types.h

src/walletinitinterface.h

src/zmq/zmqabstractnotifier.cpp

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