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The utility is primarily useful to dereference pointer types, which are known to be not null at that time. For example, the ArgsManager is known to exist when the wallets are started. Instead of silently relying on that assumption, Assert can be used to abort the program and avoid UB should the assumption ever be violated.
54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
// Copyright (c) 2019 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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#include <test/util/mining.h>
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#include <chainparams.h>
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#include <consensus/merkle.h>
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#include <key_io.h>
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#include <miner.h>
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#include <node/context.h>
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#include <pow.h>
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#include <script/standard.h>
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#include <util/check.h>
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#include <validation.h>
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CTxIn generatetoaddress(const NodeContext& node, const std::string& address)
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{
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const auto dest = DecodeDestination(address);
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assert(IsValidDestination(dest));
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const auto coinbase_script = GetScriptForDestination(dest);
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return MineBlock(node, coinbase_script);
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}
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CTxIn MineBlock(const NodeContext& node, const CScript& coinbase_scriptPubKey)
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{
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auto block = PrepareBlock(node, coinbase_scriptPubKey);
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while (!CheckProofOfWork(block->GetHash(), block->nBits, Params().GetConsensus())) {
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++block->nNonce;
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assert(block->nNonce);
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}
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bool processed{EnsureChainman(node).ProcessNewBlock(Params(), block, true, nullptr)};
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assert(processed);
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return CTxIn{block->vtx[0]->GetHash(), 0};
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}
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std::shared_ptr<CBlock> PrepareBlock(const NodeContext& node, const CScript& coinbase_scriptPubKey)
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{
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auto block = std::make_shared<CBlock>(
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BlockAssembler{*Assert(node.mempool), Params()}
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.CreateNewBlock(coinbase_scriptPubKey)
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->block);
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LOCK(cs_main);
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block->nTime = ::ChainActive().Tip()->GetMedianTimePast() + 1;
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block->hashMerkleRoot = BlockMerkleRoot(*block);
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return block;
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}
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