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add slot_type API

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This commit is contained in:
tequ
2025-10-06 13:49:07 +09:00
parent bc7a28f6af
commit c83bfe1987
3 changed files with 44 additions and 26 deletions
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33
src/ripple/app/hook/impl/HookAPI.cpp
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@@ -2353,7 +2353,38 @@ HookAPI::slot_subfield(
}
}
// slot_type
Expected<std::variant<STBase, STAmount>, HookReturnCode>
HookAPI::slot_type(uint32_t slot_no, uint32_t flags) const
{
if (hookCtx.slot.find(slot_no) == hookCtx.slot.end())
return Unexpected(DOESNT_EXIST);
if (hookCtx.slot[slot_no].entry == 0)
return Unexpected(INTERNAL_ERROR);
try
{
ripple::STBase& obj = const_cast<ripple::STBase&>(
*hookCtx.slot[slot_no].entry); //.downcast<ripple::STBase>();
if (flags == 0)
return obj;
// this flag is for use with an amount field to determine if the amount
// is native (xrp)
if (flags == 1)
{
if (obj.getSType() != STI_AMOUNT)
return Unexpected(NOT_AN_AMOUNT);
return const_cast<ripple::STBase&>(*hookCtx.slot[slot_no].entry)
.downcast<ripple::STAmount>();
}
return Unexpected(INVALID_ARGUMENT);
}
catch (const std::bad_cast& e)
{
return Unexpected(INTERNAL_ERROR);
}
}
Expected<uint64_t, HookReturnCode>
HookAPI::slot_float(uint32_t slot_no) const