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-rw-r--r--src/rpc/util.cpp22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/rpc/util.cpp b/src/rpc/util.cpp
index 86695bc1a5..40ac133186 100644
--- a/src/rpc/util.cpp
+++ b/src/rpc/util.cpp
@@ -200,6 +200,7 @@ struct Sections {
case RPCArg::Type::STR:
case RPCArg::Type::NUM:
case RPCArg::Type::AMOUNT:
+ case RPCArg::Type::RANGE:
case RPCArg::Type::BOOL: {
if (outer_type == OuterType::NAMED_ARG) return; // Nothing more to do for non-recursive types on first recursion
auto left = indent;
@@ -405,6 +406,10 @@ std::string RPCArg::ToDescriptionString() const
ret += "numeric or string";
break;
}
+ case Type::RANGE: {
+ ret += "numeric or array";
+ break;
+ }
case Type::BOOL: {
ret += "boolean";
break;
@@ -464,6 +469,8 @@ std::string RPCArg::ToStringObj(const bool oneline) const
return res + "\"hex\"";
case Type::NUM:
return res + "n";
+ case Type::RANGE:
+ return res + "n or [n,n]";
case Type::AMOUNT:
return res + "amount";
case Type::BOOL:
@@ -494,6 +501,7 @@ std::string RPCArg::ToString(const bool oneline) const
return "\"" + m_name + "\"";
}
case Type::NUM:
+ case Type::RANGE:
case Type::AMOUNT:
case Type::BOOL: {
return m_name;
@@ -523,3 +531,17 @@ std::string RPCArg::ToString(const bool oneline) const
}
assert(false);
}
+
+std::pair<int64_t, int64_t> ParseRange(const UniValue& value)
+{
+ if (value.isNum()) {
+ return {0, value.get_int64()};
+ }
+ if (value.isArray() && value.size() == 2 && value[0].isNum() && value[1].isNum()) {
+ int64_t low = value[0].get_int64();
+ int64_t high = value[1].get_int64();
+ if (low > high) throw JSONRPCError(RPC_INVALID_PARAMETER, "Range specified as [begin,end] must not have begin after end");
+ return {low, high};
+ }
+ throw JSONRPCError(RPC_INVALID_PARAMETER, "Range must be specified as end or as [begin,end]");
+}