rpc: Add EnsureArgsman helper

Author: MarcoFalke

src/rpc/blockchain.h

@@ -21,7 +21,6 @@ class CBlock;
 class CBlockIndex;
 class CChainState;
 class CTxMemPool;
-class ChainstateManager;
 class UniValue;
 struct NodeContext;
 

src/rpc/server_util.cpp

@@ -37,6 +37,19 @@ CTxMemPool& EnsureAnyMemPool(const std::any& context)
     return EnsureMemPool(EnsureAnyNodeContext(context));
 }
 
+ArgsManager& EnsureArgsman(const NodeContext& node)
+{
+    if (!node.args) {
+        throw JSONRPCError(RPC_INTERNAL_ERROR, "Node args not found");
+    }
+    return *node.args;
+}
+
+ArgsManager& EnsureAnyArgsman(const std::any& context)
+{
+    return EnsureArgsman(EnsureAnyNodeContext(context));
+}
+
 ChainstateManager& EnsureChainman(const NodeContext& node)
 {
     if (!node.chainman) {

src/rpc/server_util.h

@@ -7,16 +7,19 @@
 
 #include <any>
 
+class ArgsManager;
 class CBlockPolicyEstimator;
 class CConnman;
-class ChainstateManager;
 class CTxMemPool;
-struct NodeContext;
+class ChainstateManager;
 class PeerManager;
+struct NodeContext;
 
 NodeContext& EnsureAnyNodeContext(const std::any& context);
 CTxMemPool& EnsureMemPool(const NodeContext& node);
 CTxMemPool& EnsureAnyMemPool(const std::any& context);
+ArgsManager& EnsureArgsman(const NodeContext& node);
+ArgsManager& EnsureAnyArgsman(const std::any& context);
 ChainstateManager& EnsureChainman(const NodeContext& node);
 ChainstateManager& EnsureAnyChainman(const std::any& context);
 CBlockPolicyEstimator& EnsureFeeEstimator(const NodeContext& node);