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feat: Add MPT support to DEX (#5285)

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This commit is contained in:
Gregory Tsipenyuk
2026-04-08 12:17:37 -04:00
committed by GitHub
parent 6d1a5be8d2
commit dfcad69155
223 changed files with 34897 additions and 4228 deletions
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87
src/test/jtx/impl/Env.cpp
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@@ -174,54 +174,47 @@ Env::balance(Account const& account) const
}
PrettyAmount
Env::balance(Account const& account, Issue const& issue) const
{
if (isXRP(issue.currency))
return balance(account);
auto const sle = le(keylet::line(account.id(), issue));
if (!sle)
return {STAmount(issue, 0), account.name()};
auto amount = sle->getFieldAmount(sfBalance);
amount.setIssuer(issue.account);
if (account.id() > issue.account)
amount.negate();
return {amount, lookup(issue.account).name()};
}
PrettyAmount
Env::balance(Account const& account, MPTIssue const& mptIssue) const
{
MPTID const id = mptIssue.getMptID();
if (!id)
return {STAmount(mptIssue, 0), account.name()};
AccountID const issuer = mptIssue.getIssuer();
if (account.id() == issuer)
{
// Issuer balance
auto const sle = le(keylet::mptIssuance(id));
if (!sle)
return {STAmount(mptIssue, 0), account.name()};
// Make it negative
STAmount const amount{mptIssue, sle->getFieldU64(sfOutstandingAmount), 0, true};
return {amount, lookup(issuer).name()};
}
// Holder balance
auto const sle = le(keylet::mptoken(id, account));
if (!sle)
return {STAmount(mptIssue, 0), account.name()};
STAmount const amount{mptIssue, sle->getFieldU64(sfMPTAmount)};
return {amount, lookup(issuer).name()};
}
PrettyAmount
// NOLINTNEXTLINE(readability-convert-member-functions-to-static)
Env::balance(Account const& account, Asset const& asset) const
{
return std::visit([&](auto const& issue) { return balance(account, issue); }, asset.value());
return asset.visit(
[&](Issue const& issue) -> PrettyAmount {
if (isXRP(issue.currency))
return balance(account);
auto const sle = le(keylet::line(account.id(), issue));
if (!sle)
return {STAmount(issue, 0), account.name()};
auto amount = sle->getFieldAmount(sfBalance);
amount.get<Issue>().account = issue.account;
if (account.id() > issue.account)
amount.negate();
return {amount, lookup(issue.account).name()};
},
[&](MPTIssue const& mptIssue) -> PrettyAmount {
MPTID const& id = mptIssue.getMptID();
if (!id)
return {STAmount(mptIssue, 0), account.name()};
AccountID const& issuer = mptIssue.getIssuer();
if (account.id() == issuer)
{
// Issuer balance
auto const sle = le(keylet::mptIssuance(id));
if (!sle)
return {STAmount(mptIssue, 0), account.name()};
// Make it negative
STAmount const amount{mptIssue, sle->getFieldU64(sfOutstandingAmount), 0, true};
return {amount, lookup(issuer).name()};
}
// Holder balance
auto const sle = le(keylet::mptoken(id, account));
if (!sle)
return {STAmount(mptIssue, 0), account.name()};
STAmount const amount{mptIssue, sle->getFieldU64(sfMPTAmount)};
return {amount, lookup(issuer).name()};
});
}
PrettyAmount
@@ -300,6 +293,8 @@ Env::fund(bool setDefaultRipple, STAmount const& amount, Account const& account)
void
Env::trust(STAmount const& amount, Account const& account)
{
if (!amount.holds<Issue>())
Throw<std::runtime_error>("Env::trust: amount doesn't hold Issue");
auto const start = balance(account);
apply(
jtx::trust(account, amount),