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fix bug where slot_float of a 0 value IOU would return -29 underflow instead of 0

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This commit is contained in:
Richard Holland
2023-03-24 12:11:57 +00:00
parent 24384be242
commit 2ddf7541a6
1 changed files with 8 additions and 2 deletions
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10
src/ripple/app/hook/impl/applyHook.cpp
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@@ -2562,19 +2562,25 @@ DEFINE_HOOK_FUNCTION(
{ {
ripple::STAmount& st_amt = ripple::STAmount& st_amt =
const_cast<ripple::STBase&>(*hookCtx.slot[slot_no].entry).downcast<ripple::STAmount>(); const_cast<ripple::STBase&>(*hookCtx.slot[slot_no].entry).downcast<ripple::STAmount>();
int64_t normalized = 0;
if (st_amt.native()) if (st_amt.native())
{ {
ripple::XRPAmount amt = st_amt.xrp(); ripple::XRPAmount amt = st_amt.xrp();
int64_t drops = amt.drops(); int64_t drops = amt.drops();
int32_t exp = -6; int32_t exp = -6;
// normalize // normalize
return hook_float::normalize_xfl(drops, exp); normalized = hook_float::normalize_xfl(drops, exp);
} }
else else
{ {
ripple::IOUAmount amt = st_amt.iou(); ripple::IOUAmount amt = st_amt.iou();
return make_float(amt); normalized = make_float(amt);
} }
if (normalized == EXPONENT_UNDERSIZED /* exponent undersized (underflow) */)
return 0; // return 0 in this case
return normalized;
} }
catch (const std::bad_cast& e) catch (const std::bad_cast& e)
{ {