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author | MarcoFalke <falke.marco@gmail.com> | 2021-04-03 13:39:42 +0200 |
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committer | MarcoFalke <falke.marco@gmail.com> | 2021-05-16 11:34:27 +0200 |
commit | fa91994b1b9b6da3bb2a2f722d9251d7d0f2167e (patch) | |
tree | 1c79c7d6e26a4088973ba6104d5c0883895f9818 /src/test/util | |
parent | c8571486364d6e9ca8c86bd1c81e230ca64f8904 (diff) | |
download | bitcoin-fa91994b1b9b6da3bb2a2f722d9251d7d0f2167e.tar.xz |
fuzz: Add utxo_snapshot target
Diffstat (limited to 'src/test/util')
-rw-r--r-- | src/test/util/mining.cpp | 33 | ||||
-rw-r--r-- | src/test/util/mining.h | 5 |
2 files changed, 38 insertions, 0 deletions
diff --git a/src/test/util/mining.cpp b/src/test/util/mining.cpp index 3fc3329da2..1204873828 100644 --- a/src/test/util/mining.cpp +++ b/src/test/util/mining.cpp @@ -11,8 +11,10 @@ #include <node/context.h> #include <pow.h> #include <script/standard.h> +#include <test/util/script.h> #include <util/check.h> #include <validation.h> +#include <versionbits.h> CTxIn generatetoaddress(const NodeContext& node, const std::string& address) { @@ -23,6 +25,37 @@ CTxIn generatetoaddress(const NodeContext& node, const std::string& address) return MineBlock(node, coinbase_script); } +std::vector<std::shared_ptr<CBlock>> CreateBlockChain(size_t total_height, const CChainParams& params) +{ + std::vector<std::shared_ptr<CBlock>> ret{total_height}; + auto time{params.GenesisBlock().nTime}; + for (size_t height{0}; height < total_height; ++height) { + CBlock& block{*(ret.at(height) = std::make_shared<CBlock>())}; + + CMutableTransaction coinbase_tx; + coinbase_tx.vin.resize(1); + coinbase_tx.vin[0].prevout.SetNull(); + coinbase_tx.vout.resize(1); + coinbase_tx.vout[0].scriptPubKey = P2WSH_OP_TRUE; + coinbase_tx.vout[0].nValue = GetBlockSubsidy(height + 1, params.GetConsensus()); + coinbase_tx.vin[0].scriptSig = CScript() << (height + 1) << OP_0; + block.vtx = {MakeTransactionRef(std::move(coinbase_tx))}; + + block.nVersion = VERSIONBITS_LAST_OLD_BLOCK_VERSION; + block.hashPrevBlock = (height >= 1 ? *ret.at(height - 1) : params.GenesisBlock()).GetHash(); + block.hashMerkleRoot = BlockMerkleRoot(block); + block.nTime = ++time; + block.nBits = params.GenesisBlock().nBits; + block.nNonce = 0; + + while (!CheckProofOfWork(block.GetHash(), block.nBits, params.GetConsensus())) { + ++block.nNonce; + assert(block.nNonce); + } + } + return ret; +} + CTxIn MineBlock(const NodeContext& node, const CScript& coinbase_scriptPubKey) { auto block = PrepareBlock(node, coinbase_scriptPubKey); diff --git a/src/test/util/mining.h b/src/test/util/mining.h index 5f250fffe8..1fc1864b91 100644 --- a/src/test/util/mining.h +++ b/src/test/util/mining.h @@ -7,12 +7,17 @@ #include <memory> #include <string> +#include <vector> class CBlock; +class CChainParams; class CScript; class CTxIn; struct NodeContext; +/** Create a blockchain, starting from genesis */ +std::vector<std::shared_ptr<CBlock>> CreateBlockChain(size_t total_height, const CChainParams& params); + /** Returns the generated coin */ CTxIn MineBlock(const NodeContext&, const CScript& coinbase_scriptPubKey); |