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refactor(AMMClawback): move tfClawTwoAssets check (#5201)

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Move tfClawTwoAssets check to preflight and return
error temINVALID_FLAG

---------

Co-authored-by: yinyiqian1 <yqian@ripple.com>
This commit is contained in:
Elliot Lee
2024-11-25 11:40:11 -08:00
parent f419c18056
commit b54d85d862
3 changed files with 15 additions and 14 deletions
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2
include/xrpl/protocol/detail/features.macro
View File

@@ -32,9 +32,9 @@
XRPL_FEATURE(Credentials, Supported::yes, VoteBehavior::DefaultNo)
XRPL_FEATURE(AMMClawback, Supported::yes, VoteBehavior::DefaultNo)
XRPL_FIX (AMMv1_2, Supported::yes, VoteBehavior::DefaultNo)
XRPL_FEATURE(MPTokensV1, Supported::yes, VoteBehavior::DefaultNo)
// InvariantsV1_1 will be changes to Supported::yes when all the
// invariants expected to be included under it are complete.
XRPL_FEATURE(MPTokensV1, Supported::yes, VoteBehavior::DefaultNo)
XRPL_FEATURE(InvariantsV1_1, Supported::no, VoteBehavior::DefaultNo)
XRPL_FIX (NFTokenPageLinks, Supported::yes, VoteBehavior::DefaultNo)
XRPL_FIX (InnerObjTemplate2, Supported::yes, VoteBehavior::DefaultNo)

6
src/test/app/AMMClawback_test.cpp
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@@ -303,13 +303,13 @@ class AMMClawback_test : public jtx::AMMTest
// gw creates AMM pool of XRP/USD.
AMM amm(env, gw, XRP(100), USD(100), ter(tesSUCCESS));
// Return tecNO_PERMISSION because the issuer set tfClawTwoAssets,
// Return temINVALID_FLAG because the issuer set tfClawTwoAssets,
// but the issuer only issues USD in the pool. The issuer is not
// allowed to set tfClawTwoAssets flag if he did not issue both
// assts in the pool.
// assets in the pool.
env(amm::ammClawback(gw, alice, USD, XRP, std::nullopt),
txflags(tfClawTwoAssets),
ter(tecNO_PERMISSION));
ter(temINVALID_FLAG));
}
// Test clawing back XRP is being prohibited.

21
src/xrpld/app/tx/detail/AMMClawback.cpp
View File

@@ -42,7 +42,8 @@ AMMClawback::preflight(PreflightContext const& ctx)
if (auto const ret = preflight1(ctx); !isTesSuccess(ret))
return ret; // LCOV_EXCL_LINE
if (ctx.tx.getFlags() & tfAMMClawbackMask)
auto const flags = ctx.tx.getFlags();
if (flags & tfAMMClawbackMask)
return temINVALID_FLAG;
AccountID const issuer = ctx.tx[sfAccount];
@@ -57,10 +58,19 @@ AMMClawback::preflight(PreflightContext const& ctx)
std::optional<STAmount> const clawAmount = ctx.tx[~sfAmount];
auto const asset = ctx.tx[sfAsset];
auto const asset2 = ctx.tx[sfAsset2];
if (isXRP(asset))
return temMALFORMED;
if (flags & tfClawTwoAssets && asset.account != asset2.account)
{
JLOG(ctx.j.trace())
<< "AMMClawback: tfClawTwoAssets can only be enabled when two "
"assets in the AMM pool are both issued by the issuer";
return temINVALID_FLAG;
}
if (asset.account != issuer)
{
JLOG(ctx.j.trace()) << "AMMClawback: Asset's account does not "
@@ -108,15 +118,6 @@ AMMClawback::preclaim(PreclaimContext const& ctx)
(issuerFlagsIn & lsfNoFreeze))
return tecNO_PERMISSION;
auto const flags = ctx.tx.getFlags();
if (flags & tfClawTwoAssets && asset.account != asset2.account)
{
JLOG(ctx.j.trace())
<< "AMMClawback: tfClawTwoAssets can only be enabled when two "
"assets in the AMM pool are both issued by the issuer";
return tecNO_PERMISSION;
}
return tesSUCCESS;
}