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Merge #18444: RPC: Remove final comma for last entry of fixed-size arrays/objects in RPCResult

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c34164896c Bugfix: RPC: Remove final comma for last entry of fixed-size Arrays and Objects in RPCResult (Luke Dashjr)

Pull request description:

  JSON doesn't allow a trailing comma in arrays

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Tree-SHA512: 761502a05f447afc09c120f13bf23abd2aee83a7f5e5dadaf54c7e1c0c1280d83ee041ca6ca45998fb561e41b32d01067ec52a187c3bcc9d53303ea813bc212c
This commit is contained in:
MarcoFalke 2020-03-28 15:13:01 -04:00
commit 6b4f182806
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1 changed files with 9 additions and 1 deletions
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10
src/rpc/util.cpp
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@ -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;