Remove processNewBlock() from mining interface

processNewBlock was added in 7b4d324, but became unnecessary with the introduction of interfaces::BlockTemplate::submitSolution in 7b4d324.

getTransactionsUpdated() is only needed by the implementation of waitFeesChanged() (not yet part of the interface).

src/interfaces/mining.h

@@ -94,15 +94,6 @@ class Mining
      */
     virtual std::unique_ptr<BlockTemplate> createNewBlock(const CScript& script_pub_key, const node::BlockCreateOptions& options = {}) = 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;
-
     //! Get internal node context. Useful for RPC and testing,
     //! but not accessible across processes.
     virtual node::NodeContext* context() { return nullptr; }

src/ipc/capnp/mining.capnp

@@ -18,7 +18,6 @@ interface Mining $Proxy.wrap("interfaces::Mining") {
     getTip @2 (context :Proxy.Context) -> (result: Common.BlockRef, hasResult: Bool);
     waitTipChanged @3 (context :Proxy.Context, currentTip: Data, timeout: Float64) -> (result: Common.BlockRef);
     createNewBlock @4 (scriptPubKey: Data, options: BlockCreateOptions) -> (result: BlockTemplate);
-    processNewBlock @5 (context :Proxy.Context, block: Data) -> (newBlock: Bool, result: Bool);
 }
 
 interface BlockTemplate $Proxy.wrap("interfaces::BlockTemplate") {

src/node/interfaces.cpp

@@ -981,11 +981,6 @@ class MinerImpl : public Mining
         return BlockRef{chainman().ActiveChain().Tip()->GetBlockHash(), chainman().ActiveChain().Tip()->nHeight};
     }
 
-    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);
-    }
-
     std::unique_ptr<BlockTemplate> createNewBlock(const CScript& script_pub_key, const BlockCreateOptions& options) override
     {
         BlockAssembler::Options assemble_options{options};

src/rpc/mining.cpp

@@ -130,7 +130,7 @@ static RPCHelpMan getnetworkhashps()
     };
 }
 
-static bool GenerateBlock(ChainstateManager& chainman, Mining& miner, CBlock&& block, uint64_t& max_tries, std::shared_ptr<const CBlock>& block_out, bool process_new_block)
+static bool GenerateBlock(ChainstateManager& chainman, CBlock&& block, uint64_t& max_tries, std::shared_ptr<const CBlock>& block_out, bool process_new_block)
 {
     block_out.reset();
     block.hashMerkleRoot = BlockMerkleRoot(block);
@@ -150,7 +150,7 @@ static bool GenerateBlock(ChainstateManager& chainman, Mining& miner, CBlock&& b
 
     if (!process_new_block) return true;
 
-    if (!miner.processNewBlock(block_out, nullptr)) {
+    if (!chainman.ProcessNewBlock(block_out, /*force_processing=*/true, /*min_pow_checked=*/true, nullptr)) {
         throw JSONRPCError(RPC_INTERNAL_ERROR, "ProcessNewBlock, block not accepted");
     }
 
@@ -165,7 +165,7 @@ static UniValue generateBlocks(ChainstateManager& chainman, Mining& miner, const
         CHECK_NONFATAL(block_template);
 
         std::shared_ptr<const CBlock> block_out;
-        if (!GenerateBlock(chainman, miner, block_template->getBlock(), nMaxTries, block_out, /*process_new_block=*/true)) {
+        if (!GenerateBlock(chainman, block_template->getBlock(), nMaxTries, block_out, /*process_new_block=*/true)) {
             break;
         }
 
@@ -393,7 +393,7 @@ static RPCHelpMan generateblock()
     std::shared_ptr<const CBlock> block_out;
     uint64_t max_tries{DEFAULT_MAX_TRIES};
 
-    if (!GenerateBlock(chainman, miner, std::move(block), max_tries, block_out, process_new_block) || !block_out) {
+    if (!GenerateBlock(chainman, std::move(block), max_tries, block_out, process_new_block) || !block_out) {
         throw JSONRPCError(RPC_MISC_ERROR, "Failed to make block.");
     }
 
@@ -1044,13 +1044,10 @@ 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 = miner.processNewBlock(blockptr, /*new_block=*/&new_block);
+    bool accepted = chainman.ProcessNewBlock(blockptr, /*force_processing=*/true, /*min_pow_checked=*/true, /*new_block=*/&new_block);
     CHECK_NONFATAL(chainman.m_options.signals)->UnregisterSharedValidationInterface(sc);
     if (!new_block && accepted) {
         return "duplicate";