Implement DID

example-config.json

@@ -66,7 +66,7 @@
         // Max number of requests to queue up before rejecting further requests.
         // Defaults to 0, which disables the limit.
         "max_queue_size": 500,
-        // If request contains header with authorization, Clio will check if it matches this value's hash
+        // If request contains header with authorization, Clio will check if it matches this value's sha256 hash
         // If matches, the request will be considered as admin request
         "admin_password": "xrp",
         // If local_admin is true, Clio will consider requests come from 127.0.0.1 as admin requests

src/rpc/handlers/AccountObjects.cpp

@@ -22,19 +22,28 @@
 namespace rpc {
 
 // found here : https://xrpl.org/ledger_entry.html#:~:text=valid%20fields%20are%3A-,index,-account_root
-std::unordered_map<std::string, ripple::LedgerEntryType> const AccountObjectsHandler::TYPESMAP{
-    {"state", ripple::ltRIPPLE_STATE},
-    {"ticket", ripple::ltTICKET},
-    {"signer_list", ripple::ltSIGNER_LIST},
-    {"payment_channel", ripple::ltPAYCHAN},
-    {"offer", ripple::ltOFFER},
-    {"escrow", ripple::ltESCROW},
-    {"deposit_preauth", ripple::ltDEPOSIT_PREAUTH},
-    {"check", ripple::ltCHECK},
-    {"nft_page", ripple::ltNFTOKEN_PAGE},
-    {"nft_offer", ripple::ltNFTOKEN_OFFER},
+std::unordered_map<std::string, ripple::LedgerEntryType> const AccountObjectsHandler::TYPES_MAP{
+    {JS(state), ripple::ltRIPPLE_STATE},
+    {JS(ticket), ripple::ltTICKET},
+    {JS(signer_list), ripple::ltSIGNER_LIST},
+    {JS(payment_channel), ripple::ltPAYCHAN},
+    {JS(offer), ripple::ltOFFER},
+    {JS(escrow), ripple::ltESCROW},
+    {JS(deposit_preauth), ripple::ltDEPOSIT_PREAUTH},
+    {JS(check), ripple::ltCHECK},
+    {JS(nft_page), ripple::ltNFTOKEN_PAGE},
+    {JS(nft_offer), ripple::ltNFTOKEN_OFFER},
+    {JS(did), ripple::ltDID},
 };
 
+std::unordered_set<std::string> const AccountObjectsHandler::TYPES_KEYS = [] {
+    std::unordered_set<std::string> keys;
+    std::transform(TYPES_MAP.begin(), TYPES_MAP.end(), std::inserter(keys, keys.begin()), [](auto const& pair) {
+        return pair.first;
+    });
+    return keys;
+}();
+
 AccountObjectsHandler::Result
 AccountObjectsHandler::process(AccountObjectsHandler::Input input, Context const& ctx) const
 {
@@ -153,7 +162,7 @@ tag_invoke(boost::json::value_to_tag<AccountObjectsHandler::Input>, boost::json:
     }
 
     if (jsonObject.contains(JS(type)))
-        input.type = AccountObjectsHandler::TYPESMAP.at(jv.at(JS(type)).as_string().c_str());
+        input.type = AccountObjectsHandler::TYPES_MAP.at(jv.at(JS(type)).as_string().c_str());
 
     if (jsonObject.contains(JS(limit)))
         input.limit = jv.at(JS(limit)).as_int64();

src/rpc/handlers/AccountObjects.h

@@ -33,7 +33,7 @@ namespace rpc {
  * @brief The account_objects command returns the raw ledger format for all objects owned by an account.
  * The results can be filtered by the type.
  * The valid types are: check, deposit_preauth, escrow, nft_offer, offer, payment_channel, signer_list, state (trust
- * line), and ticket.
+ * line), did and ticket.
  *
  * For more details see: https://xrpl.org/account_objects.html
  */
@@ -42,7 +42,8 @@ class AccountObjectsHandler {
     std::shared_ptr<BackendInterface> sharedPtrBackend_;
 
     // constants
-    static std::unordered_map<std::string, ripple::LedgerEntryType> const TYPESMAP;
+    static std::unordered_map<std::string, ripple::LedgerEntryType> const TYPES_MAP;
+    static std::unordered_set<std::string> const TYPES_KEYS;
 
 public:
     static auto constexpr LIMIT_MIN = 10;
@@ -89,18 +90,7 @@ class AccountObjectsHandler {
              modifiers::Clamp<int32_t>(LIMIT_MIN, LIMIT_MAX)},
             {JS(type),
              validation::Type<std::string>{},
-             validation::OneOf<std::string>{
-                 "state",
-                 "ticket",
-                 "signer_list",
-                 "payment_channel",
-                 "offer",
-                 "escrow",
-                 "deposit_preauth",
-                 "check",
-                 "nft_page",
-                 "nft_offer",
-             }},
+             validation::OneOf<std::string>(TYPES_KEYS.cbegin(), TYPES_KEYS.cend())},
             {JS(marker), validation::AccountMarkerValidator},
             {JS(deletion_blockers_only), validation::Type<bool>{}},
         };

src/rpc/handlers/AccountTx.cpp

@@ -56,6 +56,8 @@ std::unordered_map<std::string, ripple::TxType> const AccountTxHandler::TYPESMAP
     {JSL(SignerListSet), ripple::ttSIGNER_LIST_SET},
     {JSL(TicketCreate), ripple::ttTICKET_CREATE},
     {JSL(TrustSet), ripple::ttTRUST_SET},
+    {JSL(DIDSet), ripple::ttDID_SET},
+    {JSL(DIDDelete), ripple::ttDID_DELETE},
 };
 
 // TODO: should be std::views::keys when clang supports it

src/rpc/handlers/LedgerData.cpp

@@ -27,6 +27,7 @@ namespace rpc {
 
 std::unordered_map<std::string, ripple::LedgerEntryType> const LedgerDataHandler::TYPES_MAP{
     {JS(account), ripple::ltACCOUNT_ROOT},
+    {JS(did), ripple::ltDID},
     {JS(amendments), ripple::ltAMENDMENTS},
     {JS(check), ripple::ltCHECK},
     {JS(deposit_preauth), ripple::ltDEPOSIT_PREAUTH},

src/rpc/handlers/LedgerData.h

@@ -41,9 +41,9 @@ class LedgerDataHandler {
     std::shared_ptr<BackendInterface> sharedPtrBackend_;
     util::Logger log_{"RPC"};
 
-    static const std::unordered_map<std::string, ripple::LedgerEntryType> TYPES_MAP;
+    static std::unordered_map<std::string, ripple::LedgerEntryType> const TYPES_MAP;
 
-    static const std::unordered_set<std::string> TYPES_KEYS;
+    static std::unordered_set<std::string> const TYPES_KEYS;
 
 public:
     // constants

src/rpc/handlers/LedgerEntry.cpp

@@ -32,6 +32,8 @@ LedgerEntryHandler::process(LedgerEntryHandler::Input input, Context const& ctx)
         key = ripple::uint256{std::string_view(*(input.index))};
     } else if (input.accountRoot) {
         key = ripple::keylet::account(*ripple::parseBase58<ripple::AccountID>(*(input.accountRoot))).key;
+    } else if (input.did) {
+        key = ripple::keylet::did(*ripple::parseBase58<ripple::AccountID>(*(input.did))).key;
     } else if (input.directory) {
         auto const keyOrStatus = composeKeyFromDirectory(*input.directory);
         if (auto const status = std::get_if<Status>(&keyOrStatus))
@@ -209,6 +211,8 @@ tag_invoke(boost::json::value_to_tag<LedgerEntryHandler::Input>, boost::json::va
     // check if request for account root
     else if (jsonObject.contains(JS(account_root))) {
         input.accountRoot = jv.at(JS(account_root)).as_string().c_str();
+    } else if (jsonObject.contains(JS(did))) {
+        input.did = jv.at(JS(did)).as_string().c_str();
     }
     // no need to check if_object again, validator only allows string or object
     else if (jsonObject.contains(JS(directory))) {

src/rpc/handlers/LedgerEntry.h

@@ -56,6 +56,8 @@ class LedgerEntryHandler {
         ripple::LedgerEntryType expectedType = ripple::ltANY;
         // account id to address account root object
         std::optional<std::string> accountRoot;
+        // account id to address did object
+        std::optional<std::string> did;
         // TODO: extract into custom objects, remove json from Input
         std::optional<boost::json::object> directory;
         std::optional<boost::json::object> offer;
@@ -128,6 +130,7 @@ class LedgerEntryHandler {
             {JS(ledger_index), validation::LedgerIndexValidator},
             {JS(index), malformedRequestHexStringValidator},
             {JS(account_root), validation::AccountBase58Validator},
+            {JS(did), validation::AccountBase58Validator},
             {JS(check), malformedRequestHexStringValidator},
             {JS(deposit_preauth),
              validation::Type<std::string, boost::json::object>{},

unittests/rpc/handlers/AccountTxTests.cpp

@@ -1486,6 +1486,22 @@ static auto
 generateTransactionTypeTestValues()
 {
     return std::vector<AccountTxTransactionBundle>{
+        AccountTxTransactionBundle{
+            "DIDSet",
+            R"({
+                "account": "rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn",
+                "ledger_index": "validated",
+                "tx_type": "DIDSet"
+            })",
+            "[]"},
+        AccountTxTransactionBundle{
+            "DIDDelete",
+            R"({
+                "account": "rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn",
+                "ledger_index": "validated",
+                "tx_type": "DIDDelete"
+            })",
+            "[]"},
         AccountTxTransactionBundle{
             "AccountSet",
             R"({

unittests/rpc/handlers/LedgerEntryTests.cpp

@@ -82,6 +82,14 @@ generateTestValuesForParametersTest()
             "malformedAddress",
             "Malformed address."},
 
+        ParamTestCaseBundle{
+            "InvalidDidFormat",
+            R"({
+                "did": "invalid"
+            })",
+            "malformedAddress",
+            "Malformed address."},
+
         ParamTestCaseBundle{
             "InvalidAccountRootNotString",
             R"({
@@ -1041,6 +1049,17 @@ generateTestValuesForNormalPathTest()
             ),
             ripple::keylet::account(GetAccountIDWithString(ACCOUNT)).key,
             CreateAccountRootObject(ACCOUNT, 0, 1, 1, 1, INDEX1, 1)},
+        NormalPathTestBundle{
+            "DID",
+            fmt::format(
+                R"({{
+                    "binary": true,
+                    "did": "{}"
+                }})",
+                ACCOUNT
+            ),
+            ripple::keylet::did(GetAccountIDWithString(ACCOUNT)).key,
+            CreateDidObject(ACCOUNT, "mydocument", "myURI", "mydata")},
         NormalPathTestBundle{
             "DirectoryViaDirRoot",
             fmt::format(

unittests/util/TestObject.cpp

@@ -136,6 +136,25 @@ CreatePaymentTransactionMetaObject(
     return metaObj;
 }
 
+ripple::STObject
+CreateDidObject(std::string_view accountId, std::string_view didDoc, std::string_view uri, std::string_view data)
+{
+    ripple::STObject did(ripple::sfLedgerEntry);
+    did.setAccountID(ripple::sfAccount, GetAccountIDWithString(accountId));
+    did.setFieldU16(ripple::sfLedgerEntryType, ripple::ltDID);
+    did.setFieldU32(ripple::sfFlags, 0);
+    did.setFieldU64(ripple::sfOwnerNode, 0);
+    did.setFieldH256(ripple::sfPreviousTxnID, ripple::uint256{});
+    did.setFieldU32(ripple::sfPreviousTxnLgrSeq, 0);
+    ripple::Slice const sliceDoc(didDoc.data(), didDoc.size());
+    did.setFieldVL(ripple::sfDIDDocument, sliceDoc);
+    ripple::Slice const sliceUri(uri.data(), uri.size());
+    did.setFieldVL(ripple::sfURI, sliceUri);
+    ripple::Slice const sliceData(data.data(), data.size());
+    did.setFieldVL(ripple::sfData, sliceData);
+    return did;
+}
+
 ripple::STObject
 CreateAccountRootObject(
     std::string_view accountId,

unittests/util/TestObject.h

@@ -286,3 +286,6 @@ CreateAMMObject(
     std::string_view asset2Currency,
     std::string_view asset2Issuer
 );
+
+[[nodiscard]] ripple::STObject
+CreateDidObject(std::string_view accountId, std::string_view didDoc, std::string_view uri, std::string_view data);