5 #include <chainparams.h>
18 #include <validation.h>
26 "-testactivationheight=bip34@2",
30 test_setup.LoadVerifyActivateChainstate();
31 auto&
node{test_setup.m_node};
32 auto& chainman{*
Assert(test_setup.m_node.chainman)};
35 const auto ActiveHeight = [&]() {
36 LOCK(chainman.GetMutex());
37 return chainman.ActiveHeight();
39 const auto PrepareNextBlock = [&]() {
52 auto current_block = PrepareNextBlock();
54 std::vector<std::pair<COutPoint, CTxOut>> txos;
62 const auto StoreLastTxo = [&]() {
66 const uint32_t i = tx.
vout.size() - 1;
69 if (current_block->vtx.size() == 1 && tx.
vout.at(i).scriptPubKey[0] ==
OP_RETURN) {
71 const uint32_t i = tx.
vout.size() - 2;
77 tx.vin.emplace_back(txo.first);
78 tx.vout.emplace_back(txo.second.nValue, txo.second.scriptPubKey);
80 const auto UpdateUtxoStats = [&]() {
81 LOCK(chainman.GetMutex());
82 chainman.ActiveChainstate().ForceFlushStateToDisk();
83 utxo_stats = std::move(
93 assert(ActiveHeight() == 0);
99 const CScript duplicate_coinbase_script =
CScript() << duplicate_coinbase_height <<
OP_0;
101 current_block = PrepareNextBlock();
107 tx.
vin.at(0).scriptSig = duplicate_coinbase_script;
116 assert(ActiveHeight() == 1);
118 current_block = PrepareNextBlock();
126 fuzzed_data_provider,
146 const auto prev_utxo_stats = utxo_stats;
148 if (duplicate_coinbase_height == ActiveHeight()) {
150 assert(current_block->vtx.at(0)->vin.at(0).scriptSig == duplicate_coinbase_script);
163 current_block = PrepareNextBlock();
int64_t CAmount
Amount in satoshis (Can be negative)
const CChainParams & Params()
Return the currently selected parameters.
#define Assert(val)
Identity function.
An outpoint - a combination of a transaction hash and an index n into its vout.
Serialized script, used inside transaction inputs and outputs.
The basic transaction that is broadcasted on the network and contained in blocks.
const Txid & GetHash() const LIFETIMEBOUND
const std::vector< CTxOut > vout
T ConsumeIntegralInRange(T min, T max)
#define LIMITED_WHILE(condition, limit)
Can be used to limit a theoretically unbounded loop.
uint256 BlockMerkleRoot(const CBlock &block, bool *mutated)
static bool ComputeUTXOStats(CCoinsView *view, CCoinsStats &stats, T hash_obj, const std::function< void()> &interruption_point)
Calculate statistics about the unspent transaction output set.
void RegenerateCommitments(CBlock &block, ChainstateManager &chainman)
Update an old GenerateCoinbaseCommitment from CreateNewBlock after the block txs have changed.
static CTransactionRef MakeTransactionRef(Tx &&txIn)
A mutable version of CTransaction.
std::vector< CTxOut > vout
Testing setup that performs all steps up until right before ChainstateManager gets initialized.
std::optional< CAmount > total_amount
The total amount, or nullopt if an overflow occurred calculating it.
size_t CallOneOf(FuzzedDataProvider &fuzzed_data_provider, Callables... callables)
COutPoint MineBlock(const NodeContext &node, const CScript &coinbase_scriptPubKey)
Returns the generated coin.
std::shared_ptr< CBlock > PrepareBlock(const NodeContext &node, const CScript &coinbase_scriptPubKey, const BlockAssembler::Options &assembler_options)
FUZZ_TARGET(utxo_total_supply)
CAmount GetBlockSubsidy(int nHeight, const Consensus::Params &consensusParams)