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feat: support ConfidentialClawback and add tests (#6023)

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This commit is contained in:
yinyiqian1
2025-11-13 14:24:40 -05:00
committed by GitHub
parent c03866bf0f
commit 8365148b5c
8 changed files with 768 additions and 42 deletions
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87
src/test/jtx/impl/mpt.cpp
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@@ -373,8 +373,10 @@ MPTTester::checkDomainID(std::optional<uint256> expected) const
MPTTester::printMPT(Account const& holder_) const
{
return forObject(
[&](SLEP const& sle) -> bool { std::cout << "\n"
<< sle->getJson(); },
[&](SLEP const& sle) -> bool {
std::cout << "\n" << sle->getJson();
return true;
},
holder_);
}
@@ -678,9 +680,6 @@ MPTTester::convert(MPTConvert const& arg)
uint64_t postSpendingBalance =
getDecryptedBalance(*arg.account, HOLDER_ENCRYPTED_SPENDING);
// std::cout << "\n postIssuerBalance is " << postIssuerBalance << '\n';
// std::cout << "\n postInboxBalance is " << postInboxBalance << '\n';
// spending balance should not change
env_.require(requireAny([&]() -> bool {
return postSpendingBalance == prevSpendingBalance;
@@ -746,26 +745,24 @@ MPTTester::send(MPTConfidentialSend const& arg)
// Generate the encrypted amounts if not provided
if (arg.senderEncryptedAmt)
jv[sfSenderEncryptedAmount.jsonName] = strHex(*arg.senderEncryptedAmt);
jv[sfSenderEncryptedAmount] = strHex(*arg.senderEncryptedAmt);
else
jv[sfSenderEncryptedAmount.jsonName] =
jv[sfSenderEncryptedAmount] =
strHex(encryptAmount(*arg.account, *arg.amt));
if (arg.destEncryptedAmt)
jv[sfDestinationEncryptedAmount.jsonName] =
strHex(*arg.destEncryptedAmt);
jv[sfDestinationEncryptedAmount] = strHex(*arg.destEncryptedAmt);
else
jv[sfDestinationEncryptedAmount.jsonName] =
jv[sfDestinationEncryptedAmount] =
strHex(encryptAmount(*arg.dest, *arg.amt));
if (arg.issuerEncryptedAmt)
jv[sfIssuerEncryptedAmount.jsonName] = strHex(*arg.issuerEncryptedAmt);
jv[sfIssuerEncryptedAmount] = strHex(*arg.issuerEncryptedAmt);
else
jv[sfIssuerEncryptedAmount.jsonName] =
strHex(encryptAmount(issuer_, *arg.amt));
jv[sfIssuerEncryptedAmount] = strHex(encryptAmount(issuer_, *arg.amt));
if (arg.proof)
jv[sfZKProof.jsonName] = *arg.proof;
jv[sfZKProof] = *arg.proof;
if (arg.credentials)
{
@@ -856,6 +853,68 @@ MPTTester::send(MPTConfidentialSend const& arg)
}
}
void
MPTTester::confidentialClaw(MPTConfidentialClawback const& arg)
{
Json::Value jv;
auto const account = arg.account ? *arg.account : issuer_;
jv[sfAccount] = account.human();
if (arg.holder)
jv[sfHolder] = arg.holder->human();
else
Throw<std::runtime_error>("Holder not specified");
jv[jss::TransactionType] = jss::ConfidentialClawback;
if (arg.id)
jv[sfMPTokenIssuanceID] = to_string(*arg.id);
else if (id_)
jv[sfMPTokenIssuanceID] = to_string(*id_);
else
Throw<std::runtime_error>("MPT has not been created");
if (arg.amt)
jv[sfMPTAmount] = std::to_string(*arg.amt);
if (arg.proof)
jv[sfZKProof] = *arg.proof;
auto const holderPubAmt = getBalance(*arg.holder);
auto const prevCOA = getIssuanceConfidentialBalance();
auto const prevOA = getIssuanceOutstandingBalance();
if (submit(arg, jv) == tesSUCCESS)
{
auto const postCOA = getIssuanceConfidentialBalance();
auto const postOA = getIssuanceOutstandingBalance();
// Verify holder's public balance is unchanged
env_.require(mptbalance(*this, *arg.holder, holderPubAmt));
// Verify COA and OA are reduced correctly
env_.require(requireAny([&]() -> bool {
return prevCOA >= *arg.amt && postCOA == prevCOA - *arg.amt;
}));
env_.require(requireAny([&]() -> bool {
return prevOA >= *arg.amt && postOA == prevOA - *arg.amt;
}));
// Verify holder's confidential balances are zeroed out
env_.require(requireAny([&]() -> bool {
return getDecryptedBalance(*arg.holder, HOLDER_ENCRYPTED_INBOX) ==
0;
}));
env_.require(requireAny([&]() -> bool {
return getDecryptedBalance(
*arg.holder, HOLDER_ENCRYPTED_SPENDING) == 0;
}));
env_.require(requireAny([&]() -> bool {
return getDecryptedBalance(*arg.holder, ISSUER_ENCRYPTED_BALANCE) ==
0;
}));
}
}
void
MPTTester::generateKeyPair(Account const& account)
{