miner: Pass in chainstate to BlockAssembler::CreateNewBlock

Author: dongcarl

src/miner.cpp

@@ -100,6 +100,11 @@ Optional<int64_t> BlockAssembler::m_last_block_num_txs{nullopt};
 Optional<int64_t> BlockAssembler::m_last_block_weight{nullopt};
 
 std::unique_ptr<CBlockTemplate> BlockAssembler::CreateNewBlock(const CScript& scriptPubKeyIn)
+{
+    return CreateNewBlock(::ChainstateActive(), scriptPubKeyIn);
+}
+
+std::unique_ptr<CBlockTemplate> BlockAssembler::CreateNewBlock(CChainState& chainstate, const CScript& scriptPubKeyIn)
 {
     int64_t nTimeStart = GetTimeMicros();
 
@@ -117,7 +122,8 @@ std::unique_ptr<CBlockTemplate> BlockAssembler::CreateNewBlock(const CScript& sc
     pblocktemplate->vTxSigOpsCost.push_back(-1); // updated at end
 
     LOCK2(cs_main, m_mempool.cs);
-    CBlockIndex* pindexPrev = ::ChainActive().Tip();
+    assert(std::addressof(*::ChainActive().Tip()) == std::addressof(*chainstate.m_chain.Tip()));
+    CBlockIndex* pindexPrev = chainstate.m_chain.Tip();
     assert(pindexPrev != nullptr);
     nHeight = pindexPrev->nHeight + 1;
 
@@ -176,7 +182,8 @@ std::unique_ptr<CBlockTemplate> BlockAssembler::CreateNewBlock(const CScript& sc
     pblocktemplate->vTxSigOpsCost[0] = WITNESS_SCALE_FACTOR * GetLegacySigOpCount(*pblock->vtx[0]);
 
     BlockValidationState state;
-    if (!TestBlockValidity(state, chainparams, ::ChainstateActive(), *pblock, pindexPrev, false, false)) {
+    assert(std::addressof(::ChainstateActive()) == std::addressof(chainstate));
+    if (!TestBlockValidity(state, chainparams, chainstate, *pblock, pindexPrev, false, false)) {
         throw std::runtime_error(strprintf("%s: TestBlockValidity failed: %s", __func__, state.ToString()));
     }
     int64_t nTime2 = GetTimeMicros();

src/miner.h

@@ -159,6 +159,7 @@ class BlockAssembler
 
     /** Construct a new block template with coinbase to scriptPubKeyIn */
     std::unique_ptr<CBlockTemplate> CreateNewBlock(const CScript& scriptPubKeyIn);
+    std::unique_ptr<CBlockTemplate> CreateNewBlock(CChainState& chainstate, const CScript& scriptPubKeyIn);
 
     static Optional<int64_t> m_last_block_num_txs;
     static Optional<int64_t> m_last_block_weight;