Permissioned Domains (XLS-80d) (#5161)

include/xrpl/protocol/Feature.h

@@ -80,7 +80,7 @@ namespace detail {
 // Feature.cpp. Because it's only used to reserve storage, and determine how
 // large to make the FeatureBitset, it MAY be larger. It MUST NOT be less than
 // the actual number of amendments. A LogicError on startup will verify this.
-static constexpr std::size_t numFeatures = 84;
+static constexpr std::size_t numFeatures = 85;
 
 /** Amendments that this server supports and the default voting behavior.
    Whether they are enabled depends on the Rules defined in the validated

include/xrpl/protocol/Indexes.h

@@ -330,6 +330,11 @@ mptoken(uint256 const& mptokenKey)
 Keylet
 mptoken(uint256 const& issuanceKey, AccountID const& holder) noexcept;
 
+Keylet
+permissionedDomain(AccountID const& account, std::uint32_t seq) noexcept;
+
+Keylet
+permissionedDomain(uint256 const& domainID) noexcept;
 }  // namespace keylet
 
 // Everything below is deprecated and should be removed in favor of keylets:

include/xrpl/protocol/Protocol.h

@@ -105,6 +105,10 @@ std::size_t constexpr maxCredentialTypeLength = 64;
 /** The maximum number of credentials can be passed in array */
 std::size_t constexpr maxCredentialsArraySize = 8;
 
+/** The maximum number of credentials can be passed in array for permissioned
+ * domain */
+std::size_t constexpr maxPermissionedDomainCredentialsArraySize = 10;
+
 /** The maximum length of MPTokenMetadata */
 std::size_t constexpr maxMPTokenMetadataLength = 1024;
 

include/xrpl/protocol/detail/features.macro

@@ -29,6 +29,7 @@
 // If you add an amendment here, then do not forget to increment `numFeatures`
 // in include/xrpl/protocol/Feature.h.
 
+XRPL_FEATURE(PermissionedDomains,        Supported::no,  VoteBehavior::DefaultNo)
 XRPL_FEATURE(DynamicNFT,                 Supported::yes, VoteBehavior::DefaultNo)
 XRPL_FEATURE(Credentials,                Supported::yes, VoteBehavior::DefaultNo)
 XRPL_FEATURE(AMMClawback,                Supported::yes, VoteBehavior::DefaultNo)
@@ -100,7 +101,6 @@ XRPL_FEATURE(FlowCross,                  Supported::yes, VoteBehavior::DefaultYe
 XRPL_FEATURE(Flow,                       Supported::yes, VoteBehavior::DefaultYes)
 XRPL_FEATURE(OwnerPaysFee,               Supported::no,  VoteBehavior::DefaultNo)
 
-
 // The following amendments are obsolete, but must remain supported
 // because they could potentially get enabled.
 //

include/xrpl/protocol/detail/ledger_entries.macro

@@ -448,5 +448,18 @@ LEDGER_ENTRY(ltCREDENTIAL, 0x0081, Credential, credential, ({
     {sfPreviousTxnLgrSeq,    soeREQUIRED},
 }))
 
+/** A ledger object which tracks PermissionedDomain
+    \sa keylet::permissionedDomain
+ */
+LEDGER_ENTRY(ltPERMISSIONED_DOMAIN, 0x0082, PermissionedDomain, permissioned_domain, ({
+    {sfOwner,               soeREQUIRED},
+    {sfSequence,            soeREQUIRED},
+    {sfAcceptedCredentials, soeREQUIRED},
+    {sfOwnerNode,           soeREQUIRED},
+    {sfPreviousTxnID,       soeREQUIRED},
+    {sfPreviousTxnLgrSeq,   soeREQUIRED},
+}))
+
 #undef EXPAND
 #undef LEDGER_ENTRY_DUPLICATE
+

include/xrpl/protocol/detail/sfields.macro

@@ -190,6 +190,7 @@ TYPED_SFIELD(sfHookStateKey,             UINT256,   30)
 TYPED_SFIELD(sfHookHash,                 UINT256,   31)
 TYPED_SFIELD(sfHookNamespace,            UINT256,   32)
 TYPED_SFIELD(sfHookSetTxnID,             UINT256,   33)
+TYPED_SFIELD(sfDomainID,                 UINT256,   34)
 
 // number (common)
 TYPED_SFIELD(sfNumber,                   NUMBER,     1)
@@ -375,3 +376,4 @@ UNTYPED_SFIELD(sfPriceDataSeries,        ARRAY,     24)
 UNTYPED_SFIELD(sfAuthAccounts,           ARRAY,     25)
 UNTYPED_SFIELD(sfAuthorizeCredentials,   ARRAY,     26)
 UNTYPED_SFIELD(sfUnauthorizeCredentials, ARRAY,     27)
+UNTYPED_SFIELD(sfAcceptedCredentials,    ARRAY,     28)

include/xrpl/protocol/detail/transactions.macro

@@ -454,6 +454,16 @@ TRANSACTION(ttNFTOKEN_MODIFY, 61, NFTokenModify, ({
     {sfURI, soeOPTIONAL},
 }))
 
+/** This transaction type creates or modifies a Permissioned Domain */
+TRANSACTION(ttPERMISSIONED_DOMAIN_SET, 62, PermissionedDomainSet, ({
+    {sfDomainID, soeOPTIONAL},
+    {sfAcceptedCredentials, soeREQUIRED},
+}))
+
+/** This transaction type deletes a Permissioned Domain */
+TRANSACTION(ttPERMISSIONED_DOMAIN_DELETE, 63, PermissionedDomainDelete, ({
+    {sfDomainID, soeREQUIRED},
+}))
 
 /** This system-generated transaction type is used to update the status of the various amendments.
 

include/xrpl/protocol/jss.h

@@ -44,6 +44,7 @@ namespace jss {
 // clang-format off
 JSS(AL_size);              // out: GetCounts
 JSS(AL_hit_rate);          // out: GetCounts
+JSS(AcceptedCredentials);  // out: AccountObjects
 JSS(Account);              // in: TransactionSign; field.
 JSS(AMMID);                // field
 JSS(Amount);               // in: TransactionSign; field.