rpc: call processNewBlock via miner interface

Author: Sjors

src/interfaces/mining.h

@@ -40,6 +40,14 @@ class Mining
      * @returns a block template
      */
     virtual std::unique_ptr<node::CBlockTemplate> createNewBlock(const CScript& script_pub_key, bool use_mempool = true) = 0;
+    /**
+     * Processes new block. A valid new block is automatically relayed to peers.
+     *
+     * @param[in]   block The block we want to process.
+     * @param[out]  new_block A boolean which is set to indicate if the block was first received via this call
+     * @returns     If the block was processed, independently of block validity
+     */
+    virtual bool processNewBlock(const std::shared_ptr<const CBlock>& block, bool* new_block) = 0;
 
     //! Return the number of transaction updates in the mempool,
     //! used to decide whether to make a new block template.

src/node/interfaces.cpp

@@ -855,6 +855,11 @@ class MinerImpl : public Mining
         return tip->GetBlockHash();
     }
 
+    bool processNewBlock(const std::shared_ptr<const CBlock>& block, bool* new_block) override
+    {
+        return chainman().ProcessNewBlock(block, /*force_processing=*/true, /*min_pow_checked=*/true, /*new_block=*/new_block);
+    }
+
     unsigned int getTransactionsUpdated() override
     {
         return context()->mempool->GetTransactionsUpdated();

src/rpc/mining.cpp

@@ -129,7 +129,7 @@ static RPCHelpMan getnetworkhashps()
     };
 }
 
-static bool GenerateBlock(ChainstateManager& chainman, CBlock& block, uint64_t& max_tries, std::shared_ptr<const CBlock>& block_out, bool process_new_block)
+static bool GenerateBlock(ChainstateManager& chainman, Mining& miner, CBlock& block, uint64_t& max_tries, std::shared_ptr<const CBlock>& block_out, bool process_new_block)
 {
     block_out.reset();
     block.hashMerkleRoot = BlockMerkleRoot(block);
@@ -149,7 +149,7 @@ static bool GenerateBlock(ChainstateManager& chainman, CBlock& block, uint64_t&
 
     if (!process_new_block) return true;
 
-    if (!chainman.ProcessNewBlock(block_out, /*force_processing=*/true, /*min_pow_checked=*/true, nullptr)) {
+    if (!miner.processNewBlock(block_out, nullptr)) {
         throw JSONRPCError(RPC_INTERNAL_ERROR, "ProcessNewBlock, block not accepted");
     }
 
@@ -165,7 +165,7 @@ static UniValue generateBlocks(ChainstateManager& chainman, Mining& miner, const
             throw JSONRPCError(RPC_INTERNAL_ERROR, "Couldn't create new block");
 
         std::shared_ptr<const CBlock> block_out;
-        if (!GenerateBlock(chainman, pblocktemplate->block, nMaxTries, block_out, /*process_new_block=*/true)) {
+        if (!GenerateBlock(chainman, miner, pblocktemplate->block, nMaxTries, block_out, /*process_new_block=*/true)) {
             break;
         }
 
@@ -398,7 +398,7 @@ static RPCHelpMan generateblock()
     std::shared_ptr<const CBlock> block_out;
     uint64_t max_tries{DEFAULT_MAX_TRIES};
 
-    if (!GenerateBlock(chainman, block, max_tries, block_out, process_new_block) || !block_out) {
+    if (!GenerateBlock(chainman, miner, block, max_tries, block_out, process_new_block) || !block_out) {
         throw JSONRPCError(RPC_MISC_ERROR, "Failed to make block.");
     }
 
@@ -1049,10 +1049,13 @@ static RPCHelpMan submitblock()
         }
     }
 
+    NodeContext& node = EnsureAnyNodeContext(request.context);
+    Mining& miner = EnsureMining(node);
+
     bool new_block;
     auto sc = std::make_shared<submitblock_StateCatcher>(block.GetHash());
     CHECK_NONFATAL(chainman.m_options.signals)->RegisterSharedValidationInterface(sc);
-    bool accepted = chainman.ProcessNewBlock(blockptr, /*force_processing=*/true, /*min_pow_checked=*/true, /*new_block=*/&new_block);
+    bool accepted = miner.processNewBlock(blockptr, /*new_block=*/&new_block);
     CHECK_NONFATAL(chainman.m_options.signals)->UnregisterSharedValidationInterface(sc);
     if (!new_block && accepted) {
         return "duplicate";