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hooks--NFT support

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This commit is contained in:
Richard Holland
2022-05-20 09:25:41 +00:00
parent 4244a5a245
commit 88d747a7f7
3 changed files with 123 additions and 22 deletions
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1
src/ripple/app/hook/Enum.h
View File

@@ -30,6 +30,7 @@ namespace hook
tshNONE = 0b000,
tshROLLBACK = 0b001,
tshCOLLECT = 0b010,
tshMIXED = 0b100,
};

58
src/ripple/app/hook/applyHook.h
View File

@@ -39,29 +39,45 @@ namespace hook
using namespace ripple;
static const std::map<uint16_t, uint8_t> TSHAllowances =
{
{ttPAYMENT, tshROLLBACK },
{ttESCROW_CREATE, tshROLLBACK },
{ttESCROW_FINISH, tshROLLBACK },
{ttACCOUNT_SET, tshNONE },
{ttESCROW_CANCEL, tshCOLLECT },
{ttREGULAR_KEY_SET, tshROLLBACK },
{ttOFFER_CREATE, tshCOLLECT },
{ttOFFER_CANCEL, tshNONE },
{ttTICKET_CREATE, tshNONE },
{ttSIGNER_LIST_SET, tshROLLBACK },
{ttPAYCHAN_CREATE, tshROLLBACK },
{ttPAYCHAN_FUND, tshCOLLECT },
{ttPAYCHAN_CLAIM, tshCOLLECT },
{ttCHECK_CREATE, tshROLLBACK },
{ttCHECK_CASH, tshROLLBACK },
{ttCHECK_CANCEL, tshCOLLECT },
{ttDEPOSIT_PREAUTH, tshROLLBACK },
{ttTRUST_SET, tshCOLLECT },
{ttACCOUNT_DELETE, tshROLLBACK },
{ttHOOK_SET, tshNONE }
// RH TODO: add NFT transactions here
{ttPAYMENT, tshROLLBACK },
{ttESCROW_CREATE, tshROLLBACK },
{ttESCROW_FINISH, tshROLLBACK },
{ttACCOUNT_SET, tshNONE },
{ttESCROW_CANCEL, tshCOLLECT },
{ttREGULAR_KEY_SET, tshROLLBACK },
{ttOFFER_CREATE, tshCOLLECT },
{ttOFFER_CANCEL, tshNONE },
{ttTICKET_CREATE, tshNONE },
{ttSIGNER_LIST_SET, tshROLLBACK },
{ttPAYCHAN_CREATE, tshROLLBACK },
{ttPAYCHAN_FUND, tshCOLLECT },
{ttPAYCHAN_CLAIM, tshCOLLECT },
{ttCHECK_CREATE, tshROLLBACK },
{ttCHECK_CASH, tshROLLBACK },
{ttCHECK_CANCEL, tshCOLLECT },
{ttDEPOSIT_PREAUTH, tshROLLBACK },
{ttTRUST_SET, tshCOLLECT },
{ttACCOUNT_DELETE, tshROLLBACK },
{ttHOOK_SET, tshNONE },
{ttNFTOKEN_MINT, tshROLLBACK },
{ttNFTOKEN_BURN, tshCOLLECT },
{ttNFTOKEN_CREATE_OFFER, tshROLLBACK },
{ttNFTOKEN_CANCEL_OFFER, tshCOLLECT },
{ttNFTOKEN_ACCEPT_OFFER, tshROLLBACK }
};
/*
ttNFTOKEN_MINT = 25,
ttNFTOKEN_BURN = 26,
ttNFTOKEN_CREATE_OFFER = 27,
ttNFTOKEN_CANCEL_OFFER = 28,
ttNFTOKEN_ACCEPT_OFFER = 29,
*/
std::vector<std::pair<AccountID, bool>>
getTransactionalStakeHolders(STTx const& tx, ReadView const& rv);

86
src/ripple/app/hook/impl/applyHook.cpp
View File

@@ -21,7 +21,6 @@ using namespace ripple;
namespace hook
{
std::vector<std::pair<AccountID, bool>>
getTransactionalStakeHolders(STTx const& tx, ReadView const& rv)
{
@@ -67,9 +66,94 @@ namespace hook
}\
}
auto const getNFTOffer = [](std::optional<uint256> id, ReadView const& rv) ->
std::shared_ptr<const SLE>
{
if (!id)
return nullptr;
return rv.read(keylet::nftoffer(*id));
};
switch (tt)
{
// NFT
case ttNFTOKEN_MINT:
{
if (tx.isFieldPresent(sfIssuer))
ADD_TSH(tx.getAccountID(sfIssuer), canRollback);
break;
};
case ttNFTOKEN_BURN:
case ttNFTOKEN_CREATE_OFFER:
{
if (!tx.isFieldPresent(sfNFTokenID) || !tx.isFieldPresent(sfAccount))
return {};
uint256 nid = tx.getFieldH256(sfNFTokenID);
bool hasOwner = tx.isFieldPresent(sfOwner);
AccountID owner = tx.getAccountID(hasOwner ? sfOwner : sfAccount);
if (!nft::findToken(rv, owner, nid))
return {};
auto const issuer = nft::getIssuer(nid);
ADD_TSH(issuer, canRollback);
if (hasOwner)
ADD_TSH(owner, canRollback);
break;
}
case ttNFTOKEN_ACCEPT_OFFER:
{
auto const bo = getNFTOffer(tx[~sfNFTokenBuyOffer], rv);
auto const so = getNFTOffer(tx[~sfNFTokenSellOffer], rv);
if (!bo && !so)
return {};
if (bo)
{
ADD_TSH(bo->getAccountID(sfOwner), canRollback);
if (bo->isFieldPresent(sfDestination))
ADD_TSH(bo->getAccountID(sfDestination), canRollback);
}
if (so)
{
ADD_TSH(so->getAccountID(sfOwner), canRollback);
if (so->isFieldPresent(sfDestination))
ADD_TSH(so->getAccountID(sfDestination), canRollback);
}
break;
}
case ttNFTOKEN_CANCEL_OFFER:
{
if (!tx.isFieldPresent(sfNFTokenOffers))
return {};
auto const& offerVec = tx.getFieldV256(sfNFTokenOffers);
for (auto const& offerID : offerVec)
{
auto const offer = getNFTOffer(offerID, rv);
if (offer)
{
ADD_TSH(offer->getAccountID(sfOwner), canRollback);
if (offer->isFieldPresent(sfDestination))
ADD_TSH(offer->getAccountID(sfDestination), canRollback);
}
}
break;
}
// self transactions
case ttACCOUNT_SET:
case ttOFFER_CANCEL: