Introduce Mining interface

Start out with a single method isTestChain() that's used by the getblocktemplate RPC.

3 files changed, 21 insertions, 0 deletions

diff --git a/src/node/context.cpp b/src/node/context.cpp
index da05fde6ee..75dfaee866 100644
--- a/src/node/context.cpp
+++ b/src/node/context.cpp
@@ -7,6 +7,7 @@
 #include <addrman.h>
 #include <banman.h>
 #include <interfaces/chain.h>
+#include <interfaces/mining.h>
 #include <kernel/context.h>
 #include <key.h>
 #include <net.h>
diff --git a/src/node/context.h b/src/node/context.h
index 77838ea99b..a664fad80b 100644
--- a/src/node/context.h
+++ b/src/node/context.h
@@ -27,6 +27,7 @@ class PeerManager;
 namespace interfaces {
 class Chain;
 class ChainClient;
+class Mining;
 class Init;
 class WalletLoader;
 } // namespace interfaces
@@ -74,6 +75,7 @@ struct NodeContext {
     std::vector<std::unique_ptr<interfaces::ChainClient>> chain_clients;
     //! Reference to chain client that should used to load or create wallets
     //! opened by the gui.
+    std::unique_ptr<interfaces::Mining> mining;
     interfaces::WalletLoader* wallet_loader{nullptr};
     std::unique_ptr<CScheduler> scheduler;
     std::function<void()> rpc_interruption_point = [] {};
diff --git a/src/node/interfaces.cpp b/src/node/interfaces.cpp
index 2b36f4ceae..e44cb51873 100644
--- a/src/node/interfaces.cpp
+++ b/src/node/interfaces.cpp
@@ -14,6 +14,7 @@
 #include <init.h>
 #include <interfaces/chain.h>
 #include <interfaces/handler.h>
+#include <interfaces/mining.h>
 #include <interfaces/node.h>
 #include <interfaces/wallet.h>
 #include <kernel/chain.h>
@@ -69,6 +70,7 @@ using interfaces::Chain;
 using interfaces::FoundBlock;
 using interfaces::Handler;
 using interfaces::MakeSignalHandler;
+using interfaces::Mining;
 using interfaces::Node;
 using interfaces::WalletLoader;
 using util::Join;
@@ -831,10 +833,26 @@ public:
     ValidationSignals& validation_signals() { return *Assert(m_node.validation_signals); }
     NodeContext& m_node;
 };
+
+class MinerImpl : public Mining
+{
+public:
+    explicit MinerImpl(NodeContext& node) : m_node(node) {}
+
+    bool isTestChain() override
+    {
+        return chainman().GetParams().IsTestChain();
+    }
+
+    NodeContext* context() override { return &m_node; }
+    ChainstateManager& chainman() { return *Assert(m_node.chainman); }
+    NodeContext& m_node;
+};
 } // namespace
 } // namespace node
 
 namespace interfaces {
 std::unique_ptr<Node> MakeNode(node::NodeContext& context) { return std::make_unique<node::NodeImpl>(context); }
 std::unique_ptr<Chain> MakeChain(node::NodeContext& context) { return std::make_unique<node::ChainImpl>(context); }
+std::unique_ptr<Mining> MakeMining(node::NodeContext& context) { return std::make_unique<node::MinerImpl>(context); }
 } // namespace interfaces