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miner: Make mempool optional for BlockAssembler

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...also adjust callers

Changes:

- In BlockAssembler::CreateNewBlock, we now only lock m_mempool->cs and
  call addPackageTxs if m_mempool is not nullptr
- BlockAssembler::addPackageTxs now takes in a mempool reference, and is
  annotated to require that mempool's lock.
- In TestChain100Setup::CreateBlock and generateblock, don't construct
  an empty mempool, just pass in a nullptr for mempool
This commit is contained in:
Carl Dong
2022-05-25 22:06:23 -04:00
parent cc5739b27d
commit 0f1a259657
9 changed files with 32 additions and 31 deletions
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7
src/rpc/mining.cpp
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@@ -144,7 +144,7 @@ static UniValue generateBlocks(ChainstateManager& chainman, const CTxMemPool& me
{
UniValue blockHashes(UniValue::VARR);
while (nGenerate > 0 && !ShutdownRequested()) {
std::unique_ptr<CBlockTemplate> pblocktemplate(BlockAssembler{chainman.ActiveChainstate(), mempool}.CreateNewBlock(coinbase_script));
std::unique_ptr<CBlockTemplate> pblocktemplate(BlockAssembler{chainman.ActiveChainstate(), &mempool}.CreateNewBlock(coinbase_script));
if (!pblocktemplate.get())
throw JSONRPCError(RPC_INTERNAL_ERROR, "Couldn't create new block");
CBlock *pblock = &pblocktemplate->block;
@@ -354,8 +354,7 @@ static RPCHelpMan generateblock()
{
LOCK(cs_main);
CTxMemPool empty_mempool;
std::unique_ptr<CBlockTemplate> blocktemplate(BlockAssembler{chainman.ActiveChainstate(), empty_mempool}.CreateNewBlock(coinbase_script));
std::unique_ptr<CBlockTemplate> blocktemplate(BlockAssembler{chainman.ActiveChainstate(), nullptr}.CreateNewBlock(coinbase_script));
if (!blocktemplate) {
throw JSONRPCError(RPC_INTERNAL_ERROR, "Couldn't create new block");
}
@@ -753,7 +752,7 @@ static RPCHelpMan getblocktemplate()
// Create new block
CScript scriptDummy = CScript() << OP_TRUE;
pblocktemplate = BlockAssembler{active_chainstate, mempool}.CreateNewBlock(scriptDummy);
pblocktemplate = BlockAssembler{active_chainstate, &mempool}.CreateNewBlock(scriptDummy);
if (!pblocktemplate)
throw JSONRPCError(RPC_OUT_OF_MEMORY, "Out of memory");