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fix: Enforce reserve when creating trust line or MPToken in VaultWithdraw (#5857)

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Similarly to other transaction typed that can create a trust line or MPToken for the transaction submitter (e.g. CashCheck #5285, EscrowFinish #5185 ), VaultWithdraw should enforce reserve before creating a new object. Additionally, the lsfRequireDestTag account flag should be enforced for the transaction submitter.

Co-authored-by: Bart Thomee <11445373+bthomee@users.noreply.github.com>
This commit is contained in:
Bronek Kozicki
2025-10-21 00:07:12 +01:00
parent 224b055124
commit 5ebc29c481
5 changed files with 417 additions and 212 deletions
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6
src/libxrpl/ledger/View.cpp
View File

@@ -1242,6 +1242,12 @@ addEmptyHolding(
// If the line already exists, don't create it again.
if (view.read(index))
return tecDUPLICATE;
// Can the account cover the trust line reserve ?
std::uint32_t const ownerCount = sleDst->at(sfOwnerCount);
if (priorBalance < view.fees().accountReserve(ownerCount + 1))
return tecNO_LINE_INSUF_RESERVE;
return trustCreate(
view,
high,