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fix invariants for IOU escrows/paychans

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This commit is contained in:
Richard Holland
2022-03-25 12:15:01 +00:00
parent 9dd831a7f4
commit 384b224d64
2 changed files with 38 additions and 17 deletions
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39
src/ripple/app/tx/impl/InvariantCheck.cpp
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@@ -95,11 +95,14 @@ XRPNotCreated::visitEntry(
drops_ -= (*before)[sfBalance].xrp().drops();
break;
case ltPAYCHAN:
drops_ -=
((*before)[sfAmount] - (*before)[sfBalance]).xrp().drops();
if (isXRP((*before)[sfAmount]))
drops_ -=
((*before)[sfAmount] - (*before)[sfBalance]).xrp().drops();
break;
case ltESCROW:
drops_ -= (*before)[sfAmount].xrp().drops();
if (isXRP((*before)[sfAmount]))
drops_ -=
(*before)[sfAmount].xrp().drops();
break;
default:
break;
@@ -114,14 +117,14 @@ XRPNotCreated::visitEntry(
drops_ += (*after)[sfBalance].xrp().drops();
break;
case ltPAYCHAN:
if (!isDelete)
drops_ += ((*after)[sfAmount] - (*after)[sfBalance])
.xrp()
.drops();
if (!isDelete && isXRP((*after)[sfAmount]))
drops_ +=
((*after)[sfAmount] - (*after)[sfBalance]).xrp().drops();
break;
case ltESCROW:
if (!isDelete)
drops_ += (*after)[sfAmount].xrp().drops();
if (!isDelete && isXRP((*after)[sfAmount]))
drops_ +=
(*after)[sfAmount].xrp().drops();
break;
default:
break;
@@ -281,12 +284,26 @@ NoZeroEscrow::visitEntry(
bool
NoZeroEscrow::finalize(
STTx const&,
STTx const& txn,
TER const,
XRPAmount const,
ReadView const&,
ReadView const& rv,
beast::Journal const& j)
{
// bypass this invariant check for IOU escrows
if (bad_ &&
rv.rules().enabled(featurePaychanAndEscrowForTokens) &&
txn.isFieldPresent(sfTransactionType) &&
txn.isFieldPresent(sfAmount))
{
uint16_t tt = txn.getFieldU16(sfTransactionType);
if (tt == ttESCROW_CREATE || tt == ttESCROW_FINISH || tt == ttESCROW_CANCEL)
{
if (!isXRP(txn.getFieldAmount(sfAmount)))
return true;
}
}
if (bad_)
{
JLOG(j.fatal()) << "Invariant failed: escrow specifies invalid amount";