1 files changed, 44 insertions, 2 deletions

diff --git a/src/rpc/util.h b/src/rpc/util.h
index f1bd2c89df..e4fa8fc3d7 100644
--- a/src/rpc/util.h
+++ b/src/rpc/util.h
@@ -26,6 +26,48 @@ struct InitInterfaces;
 //! state to RPC method implementations.
 extern InitInterfaces* g_rpc_interfaces;
 
+/** Wrapper for UniValue::VType, which includes typeAny:
+ * Used to denote don't care type. */
+struct UniValueType {
+    UniValueType(UniValue::VType _type) : typeAny(false), type(_type) {}
+    UniValueType() : typeAny(true) {}
+    bool typeAny;
+    UniValue::VType type;
+};
+
+/**
+ * Type-check arguments; throws JSONRPCError if wrong type given. Does not check that
+ * the right number of arguments are passed, just that any passed are the correct type.
+ */
+void RPCTypeCheck(const UniValue& params,
+                  const std::list<UniValueType>& typesExpected, bool fAllowNull=false);
+
+/**
+ * Type-check one argument; throws JSONRPCError if wrong type given.
+ */
+void RPCTypeCheckArgument(const UniValue& value, const UniValueType& typeExpected);
+
+/*
+  Check for expected keys/value types in an Object.
+*/
+void RPCTypeCheckObj(const UniValue& o,
+    const std::map<std::string, UniValueType>& typesExpected,
+    bool fAllowNull = false,
+    bool fStrict = false);
+
+/**
+ * Utilities: convert hex-encoded Values
+ * (throws error if not hex).
+ */
+extern uint256 ParseHashV(const UniValue& v, std::string strName);
+extern uint256 ParseHashO(const UniValue& o, std::string strKey);
+extern std::vector<unsigned char> ParseHexV(const UniValue& v, std::string strName);
+extern std::vector<unsigned char> ParseHexO(const UniValue& o, std::string strKey);
+
+extern CAmount AmountFromValue(const UniValue& value);
+extern std::string HelpExampleCli(const std::string& methodname, const std::string& args);
+extern std::string HelpExampleRpc(const std::string& methodname, const std::string& args);
+
 CPubKey HexToPubKey(const std::string& hex_in);
 CPubKey AddrToPubKey(CKeyStore* const keystore, const std::string& addr_in);
 CScript CreateMultisigRedeemscript(const int required, const std::vector<CPubKey>& pubkeys);
@@ -33,13 +75,13 @@ CScript CreateMultisigRedeemscript(const int required, const std::vector<CPubKey
 UniValue DescribeAddress(const CTxDestination& dest);
 
 //! Parse a confirm target option and raise an RPC error if it is invalid.
-unsigned int ParseConfirmTarget(const UniValue& value);
+unsigned int ParseConfirmTarget(const UniValue& value, unsigned int max_target);
 
 RPCErrorCode RPCErrorFromTransactionError(TransactionError terr);
 UniValue JSONRPCTransactionError(TransactionError terr, const std::string& err_string = "");
 
 //! Parse a JSON range specified as int64, or [int64, int64]
-std::pair<int64_t, int64_t> ParseRange(const UniValue& value);
+std::pair<int64_t, int64_t> ParseDescriptorRange(const UniValue& value);
 
 struct RPCArg {
     enum class Type {