Bugfix: RPC: Remove final comma for last entry of fixed-size Arrays and Objects in RPCResult

JSON doesn't allow a trailing comma in Arrays/Objects
This commit is contained in:
Luke Dashjr 2020-03-26 20:28:38 +00:00
parent 5236b2e267
commit c34164896c

View file

@ -293,7 +293,7 @@ UniValue JSONRPCTransactionError(TransactionError terr, const std::string& err_s
struct Section {
Section(const std::string& left, const std::string& right)
: m_left{left}, m_right{right} {}
const std::string m_left;
std::string m_left;
const std::string m_right;
};
@ -645,6 +645,10 @@ void RPCResult::ToSections(Sections& sections, const OuterType outer_type, const
}
if (m_type == Type::ARR) {
sections.PushSection({indent_next + "...", ""});
} else {
CHECK_NONFATAL(!m_inner.empty());
// Remove final comma, which would be invalid JSON
sections.m_sections.back().m_left.pop_back();
}
sections.PushSection({indent + "]" + maybe_separator, ""});
return;
@ -658,6 +662,10 @@ void RPCResult::ToSections(Sections& sections, const OuterType outer_type, const
if (m_type == Type::OBJ_DYN) {
// If the dictionary keys are dynamic, use three dots for continuation
sections.PushSection({indent_next + "...", ""});
} else {
CHECK_NONFATAL(!m_inner.empty());
// Remove final comma, which would be invalid JSON
sections.m_sections.back().m_left.pop_back();
}
sections.PushSection({indent + "}" + maybe_separator, ""});
return;