1 files changed, 19 insertions, 3 deletions

diff --git a/src/test/util/setup_common.h b/src/test/util/setup_common.h
index a1b7525cf4..ed2c5db7e6 100644
--- a/src/test/util/setup_common.h
+++ b/src/test/util/setup_common.h
@@ -81,8 +81,7 @@ static constexpr CAmount CENT{1000000};
  * This just configures logging, data dir and chain parameters.
  */
 struct BasicTestingSetup {
-    ECCVerifyHandle globalVerifyHandle;
-    node::NodeContext m_node;
+    node::NodeContext m_node; // keep as first member to be destructed last
 
     explicit BasicTestingSetup(const std::string& chainName = CBaseChainParams::MAIN, const std::vector<const char*>& extra_args = {});
     ~BasicTestingSetup();
@@ -91,6 +90,9 @@ struct BasicTestingSetup {
     ArgsManager m_args;
 };
 
+
+CTxMemPool::Options MemPoolOptionsForTest(const node::NodeContext& node);
+
 /** Testing setup that performs all steps up until right before
  * ChainstateManager gets initialized. Meant for testing ChainstateManager
  * initialization behaviour.
@@ -122,7 +124,8 @@ class CScript;
  * Testing fixture that pre-creates a 100-block REGTEST-mode block chain
  */
 struct TestChain100Setup : public TestingSetup {
-    TestChain100Setup(const std::vector<const char*>& extra_args = {});
+    TestChain100Setup(const std::string& chain_name = CBaseChainParams::REGTEST,
+                      const std::vector<const char*>& extra_args = {});
 
     /**
      * Create a new block with just given transactions, coinbase paying to
@@ -164,6 +167,19 @@ struct TestChain100Setup : public TestingSetup {
                                                       CAmount output_amount = CAmount(1 * COIN),
                                                       bool submit = true);
 
+    /** Create transactions spending from m_coinbase_txns. These transactions will only spend coins
+     * that exist in the current chain, but may be premature coinbase spends, have missing
+     * signatures, or violate some other consensus rules. They should only be used for testing
+     * mempool consistency. All transactions will have some random number of inputs and outputs
+     * (between 1 and 24). Transactions may or may not be dependent upon each other; if dependencies
+     * exit, every parent will always be somewhere in the list before the child so each transaction
+     * can be submitted in the same order they appear in the list.
+     * @param[in]   submit      When true, submit transactions to the mempool.
+     *                          When false, return them but don't submit them.
+     * @returns A vector of transactions that can be submitted to the mempool.
+     */
+    std::vector<CTransactionRef> PopulateMempool(FastRandomContext& det_rand, size_t num_transactions, bool submit);
+
     std::vector<CTransactionRef> m_coinbase_txns; // For convenience, coinbase transactions
     CKey coinbaseKey; // private/public key needed to spend coinbase transactions
 };