feat(platform): add token contract info and query

packages/dapi-grpc/build.rs

@@ -73,7 +73,7 @@ fn configure_platform(mut platform: MappingConfig) -> MappingConfig {
     // Derive features for versioned messages
     //
     // "GetConsensusParamsRequest" is excluded as this message does not support proofs
-    const VERSIONED_REQUESTS: [&str; 42] = [
+    const VERSIONED_REQUESTS: [&str; 43] = [
         "GetDataContractHistoryRequest",
         "GetDataContractRequest",
         "GetDataContractsRequest",
@@ -110,6 +110,7 @@ fn configure_platform(mut platform: MappingConfig) -> MappingConfig {
         "GetIdentityTokenInfosRequest",
         "GetIdentitiesTokenInfosRequest",
         "GetTokenDirectPurchasePricesRequest",
+        "GetTokenContractInfoRequest",
         "GetTokenStatusesRequest",
         "GetTokenTotalSupplyRequest",
         "GetGroupInfoRequest",
@@ -126,7 +127,7 @@ fn configure_platform(mut platform: MappingConfig) -> MappingConfig {
     // - "GetIdentityByNonUniquePublicKeyHashResponse"
     //
     //  "GetEvonodesProposedEpochBlocksResponse" is used for 2 Requests
-    const VERSIONED_RESPONSES: [&str; 40] = [
+    const VERSIONED_RESPONSES: [&str; 41] = [
         "GetDataContractHistoryResponse",
         "GetDataContractResponse",
         "GetDataContractsResponse",
@@ -161,6 +162,7 @@ fn configure_platform(mut platform: MappingConfig) -> MappingConfig {
         "GetIdentityTokenInfosResponse",
         "GetIdentitiesTokenInfosResponse",
         "GetTokenDirectPurchasePricesResponse",
+        "GetTokenContractInfoResponse",
         "GetTokenStatusesResponse",
         "GetTokenTotalSupplyResponse",
         "GetGroupInfoResponse",

packages/dapi-grpc/protos/platform/v0/platform.proto

@@ -86,6 +86,8 @@ service Platform {
       returns (GetTokenStatusesResponse);
   rpc getTokenDirectPurchasePrices(GetTokenDirectPurchasePricesRequest)
       returns (GetTokenDirectPurchasePricesResponse);
+  rpc getTokenContractInfo(GetTokenContractInfoRequest)
+      returns (GetTokenContractInfoResponse);
   rpc getTokenPreProgrammedDistributions(
       GetTokenPreProgrammedDistributionsRequest)
       returns (GetTokenPreProgrammedDistributionsResponse);
@@ -1370,6 +1372,27 @@ message GetTokenStatusesResponse {
   oneof version { GetTokenStatusesResponseV0 v0 = 1; }
 }
 
+// Retrieve direct purchase prices defined for one or more tokens.
+//
+// Some tokens can have a direct purchase price defined using
+// `TokenSetPriceForDirectPurchaseTransition` (see `dpp` crate for details).
+// This request retrieves the direct purchase prices for those tokens and
+// returns [GetTokenDirectPurchasePricesResponse].
+message GetTokenDirectPurchasePricesRequest {
+  message GetTokenDirectPurchasePricesRequestV0 {
+    // List of token IDs to get prices for.
+    //
+    // The list must not be empty.
+    // Token IDs must have 32 bytes and be unique.
+    // Results for non-unique token IDs are undefined.
+    repeated bytes token_ids = 1;
+    // Whether to return proofs for the response, or just direct response.
+    bool prove = 2;
+  }
+  oneof version { GetTokenDirectPurchasePricesRequestV0 v0 = 1; }
+}
+
+
 // Response to GetTokenDirectPurchasePricesRequest, containing information about
 // direct purchase prices defined for requested token IDs.
 message GetTokenDirectPurchasePricesResponse {
@@ -1419,24 +1442,49 @@ message GetTokenDirectPurchasePricesResponse {
   oneof version { GetTokenDirectPurchasePricesResponseV0 v0 = 1; }
 }
 
-// Retrieve direct purchase prices defined for one or more tokens.
-//
-// Some tokens can have a direct purchase price defined using
-// `TokenSetPriceForDirectPurchaseTransition` (see `dpp` crate for details).
-// This request retrieves the direct purchase prices for those tokens and
-// returns [GetTokenDirectPurchasePricesResponse].
-message GetTokenDirectPurchasePricesRequest {
-  message GetTokenDirectPurchasePricesRequestV0 {
-    // List of token IDs to get prices for.
-    //
-    // The list must not be empty.
-    // Token IDs must have 32 bytes and be unique.
-    // Results for non-unique token IDs are undefined.
-    repeated bytes token_ids = 1;
-    // Whether to return proofs for the response, or just direct response.
+// Request to retrieve token contract info for a specific token ID.
+message GetTokenContractInfoRequest {
+  message GetTokenContractInfoRequestV0 {
+    // The token ID to retrieve contract info for.
+    // Must be exactly 32 bytes.
+    bytes token_id = 1;
+
+    // Whether to return a cryptographic proof.
     bool prove = 2;
   }
-  oneof version { GetTokenDirectPurchasePricesRequestV0 v0 = 1; }
+
+  oneof version {
+    GetTokenContractInfoRequestV0 v0 = 1;
+  }
+}
+
+// Response to GetTokenContractInfoRequest.
+message GetTokenContractInfoResponse {
+  message GetTokenContractInfoResponseV0 {
+    // Direct token contract info.
+    message TokenContractInfoData {
+      // The ID of the contract associated with the token.
+      bytes contract_id = 1;
+
+      // The position of the token within the contract.
+      uint32 token_contract_position = 2;
+    }
+
+    oneof result {
+      // Direct token contract data
+      TokenContractInfoData data = 1;
+
+      // Cryptographic proof of token contract info
+      Proof proof = 2;
+    }
+
+    // Metadata about the blockchain state at the time of the query
+    ResponseMetadata metadata = 3;
+  }
+
+  oneof version {
+    GetTokenContractInfoResponseV0 v0 = 1;
+  }
 }
 
 message GetTokenPreProgrammedDistributionsRequest {

packages/rs-dpp/src/tokens/contract_info/methods.rs

@@ -0,0 +1,30 @@
+use crate::data_contract::TokenContractPosition;
+use crate::tokens::contract_info::v0::TokenContractInfoV0Accessors;
+use crate::tokens::contract_info::TokenContractInfo;
+use platform_value::Identifier;
+
+impl TokenContractInfoV0Accessors for TokenContractInfo {
+    fn contract_id(&self) -> Identifier {
+        match self {
+            TokenContractInfo::V0(v0) => v0.contract_id(),
+        }
+    }
+
+    fn set_contract_id(&mut self, contract_id: Identifier) {
+        match self {
+            TokenContractInfo::V0(v0) => v0.set_contract_id(contract_id),
+        }
+    }
+
+    fn token_contract_position(&self) -> TokenContractPosition {
+        match self {
+            TokenContractInfo::V0(v0) => v0.token_contract_position(),
+        }
+    }
+
+    fn set_token_contract_position(&mut self, position: TokenContractPosition) {
+        match self {
+            TokenContractInfo::V0(v0) => v0.set_token_contract_position(position),
+        }
+    }
+}

packages/rs-dpp/src/tokens/contract_info/mod.rs

@@ -0,0 +1,53 @@
+use crate::data_contract::TokenContractPosition;
+use crate::tokens::contract_info::v0::TokenContractInfoV0;
+use crate::ProtocolError;
+use bincode::Encode;
+use derive_more::From;
+use platform_serialization::de::Decode;
+use platform_serialization_derive::{PlatformDeserialize, PlatformSerialize};
+use platform_value::Identifier;
+use platform_version::version::PlatformVersion;
+use platform_versioning::PlatformVersioned;
+
+mod methods;
+pub mod v0;
+
+#[derive(
+    Debug,
+    Clone,
+    Encode,
+    Decode,
+    PlatformDeserialize,
+    PlatformSerialize,
+    PlatformVersioned,
+    From,
+    PartialEq,
+)]
+#[platform_serialize(unversioned)] //versioned directly, no need to use platform_version
+pub enum TokenContractInfo {
+    V0(TokenContractInfoV0),
+}
+
+impl TokenContractInfo {
+    pub fn new(
+        contract_id: Identifier,
+        token_contract_position: TokenContractPosition,
+        platform_version: &PlatformVersion,
+    ) -> Result<Self, ProtocolError> {
+        match platform_version
+            .dpp
+            .token_versions
+            .token_contract_info_default_structure_version
+        {
+            0 => Ok(TokenContractInfo::V0(TokenContractInfoV0 {
+                contract_id,
+                token_contract_position,
+            })),
+            version => Err(ProtocolError::UnknownVersionMismatch {
+                method: "TokenContractInfo::new".to_string(),
+                known_versions: vec![0],
+                received: version,
+            }),
+        }
+    }
+}

packages/rs-dpp/src/tokens/contract_info/v0/mod.rs

@@ -0,0 +1,46 @@
+use crate::data_contract::TokenContractPosition;
+use bincode::{Decode, Encode};
+use derive_more::From;
+use platform_value::Identifier;
+
+#[derive(Debug, Clone, Encode, Decode, From, PartialEq)]
+/// Token contract info
+pub struct TokenContractInfoV0 {
+    /// The contract id of the token
+    pub contract_id: Identifier,
+    /// The token contract position
+    pub token_contract_position: TokenContractPosition,
+}
+
+/// Accessor trait for `TokenContractInfoV0`
+pub trait TokenContractInfoV0Accessors {
+    /// Returns a reference to the contract ID.
+    fn contract_id(&self) -> Identifier;
+
+    /// Sets the contract ID.
+    fn set_contract_id(&mut self, contract_id: Identifier);
+
+    /// Returns the token contract position.
+    fn token_contract_position(&self) -> TokenContractPosition;
+
+    /// Sets the token contract position.
+    fn set_token_contract_position(&mut self, position: TokenContractPosition);
+}
+
+impl TokenContractInfoV0Accessors for TokenContractInfoV0 {
+    fn contract_id(&self) -> Identifier {
+        self.contract_id
+    }
+
+    fn set_contract_id(&mut self, contract_id: Identifier) {
+        self.contract_id = contract_id;
+    }
+
+    fn token_contract_position(&self) -> TokenContractPosition {
+        self.token_contract_position
+    }
+
+    fn set_token_contract_position(&mut self, position: TokenContractPosition) {
+        self.token_contract_position = position;
+    }
+}

packages/rs-dpp/src/tokens/mod.rs

@@ -5,6 +5,7 @@ use crate::prelude::{
 use crate::util::hash::hash_double;
 
 pub mod allowed_currency;
+pub mod contract_info;
 pub mod emergency_action;
 pub mod errors;
 pub mod gas_fees_paid_by;

packages/rs-drive-abci/src/execution/platform_events/protocol_upgrade/perform_events_on_first_block_of_protocol_change/v0/mod.rs

@@ -25,9 +25,9 @@ use drive::drive::prefunded_specialized_balances::prefunded_specialized_balances
 use drive::drive::system::misc_path;
 use drive::drive::tokens::paths::{
     token_distributions_root_path, token_timed_distributions_path, tokens_root_path,
-    TOKEN_BALANCES_KEY, TOKEN_BLOCK_TIMED_DISTRIBUTIONS_KEY, TOKEN_DIRECT_SELL_PRICE_KEY,
-    TOKEN_DISTRIBUTIONS_KEY, TOKEN_EPOCH_TIMED_DISTRIBUTIONS_KEY, TOKEN_IDENTITY_INFO_KEY,
-    TOKEN_MS_TIMED_DISTRIBUTIONS_KEY, TOKEN_PERPETUAL_DISTRIBUTIONS_KEY,
+    TOKEN_BALANCES_KEY, TOKEN_BLOCK_TIMED_DISTRIBUTIONS_KEY, TOKEN_CONTRACT_INFO_KEY,
+    TOKEN_DIRECT_SELL_PRICE_KEY, TOKEN_DISTRIBUTIONS_KEY, TOKEN_EPOCH_TIMED_DISTRIBUTIONS_KEY,
+    TOKEN_IDENTITY_INFO_KEY, TOKEN_MS_TIMED_DISTRIBUTIONS_KEY, TOKEN_PERPETUAL_DISTRIBUTIONS_KEY,
     TOKEN_PRE_PROGRAMMED_DISTRIBUTIONS_KEY, TOKEN_STATUS_INFO_KEY, TOKEN_TIMED_DISTRIBUTIONS_KEY,
 };
 use drive::drive::votes::paths::vote_end_date_queries_tree_path_vec;
@@ -415,6 +415,15 @@ impl<C> Platform<C> {
             &platform_version.drive,
         )?;
 
+        self.drive.grove_insert_if_not_exists(
+            (&path).into(),
+            &[TOKEN_CONTRACT_INFO_KEY],
+            Element::empty_tree(),
+            Some(transaction),
+            None,
+            &platform_version.drive,
+        )?;
+
         // The token distribution trees
 
         let token_distributions_path = token_distributions_root_path();

packages/rs-drive-abci/src/execution/validation/state_transition/state_transitions/batch/tests/token/direct_selling/mod.rs

@@ -151,7 +151,7 @@ mod token_selling_tests {
             .drive
             .fetch_identity_balance(buyer.id().to_buffer(), None, platform_version)
             .expect("expected to fetch credit balance");
-        assert_eq!(buyer_credit_balance, Some(699_868_051_500)); // 10.0 - 3.0 spent - fees =~ 7 dash left
+        assert_eq!(buyer_credit_balance, Some(699_868_130_120)); // 10.0 - 3.0 spent - fees =~ 7 dash left
     }
 
     #[test]

packages/rs-drive-abci/src/query/service.rs

@@ -40,11 +40,11 @@ use dapi_grpc::platform::v0::{
     GetPrefundedSpecializedBalanceResponse, GetProtocolVersionUpgradeStateRequest,
     GetProtocolVersionUpgradeStateResponse, GetProtocolVersionUpgradeVoteStatusRequest,
     GetProtocolVersionUpgradeVoteStatusResponse, GetStatusRequest, GetStatusResponse,
-    GetTokenDirectPurchasePricesRequest, GetTokenDirectPurchasePricesResponse,
-    GetTokenPerpetualDistributionLastClaimRequest, GetTokenPerpetualDistributionLastClaimResponse,
-    GetTokenPreProgrammedDistributionsRequest, GetTokenPreProgrammedDistributionsResponse,
-    GetTokenStatusesRequest, GetTokenStatusesResponse, GetTokenTotalSupplyRequest,
-    GetTokenTotalSupplyResponse, GetTotalCreditsInPlatformRequest,
+    GetTokenContractInfoRequest, GetTokenContractInfoResponse, GetTokenDirectPurchasePricesRequest,
+    GetTokenDirectPurchasePricesResponse, GetTokenPerpetualDistributionLastClaimRequest,
+    GetTokenPerpetualDistributionLastClaimResponse, GetTokenPreProgrammedDistributionsRequest,
+    GetTokenPreProgrammedDistributionsResponse, GetTokenStatusesRequest, GetTokenStatusesResponse,
+    GetTokenTotalSupplyRequest, GetTokenTotalSupplyResponse, GetTotalCreditsInPlatformRequest,
     GetTotalCreditsInPlatformResponse, GetVotePollsByEndDateRequest, GetVotePollsByEndDateResponse,
     WaitForStateTransitionResultRequest, WaitForStateTransitionResultResponse,
 };
@@ -766,6 +766,18 @@ impl PlatformService for QueryService {
         .await
     }
 
+    async fn get_token_contract_info(
+        &self,
+        request: Request<GetTokenContractInfoRequest>,
+    ) -> Result<Response<GetTokenContractInfoResponse>, Status> {
+        self.handle_blocking_query(
+            request,
+            Platform::<DefaultCoreRPC>::query_token_contract_info,
+            "get_token_contract_info",
+        )
+        .await
+    }
+
     async fn get_token_perpetual_distribution_last_claim(
         &self,
         request: Request<GetTokenPerpetualDistributionLastClaimRequest>,

packages/rs-drive-abci/src/query/token_queries/mod.rs

@@ -2,6 +2,7 @@ mod identities_token_balances;
 mod identities_token_infos;
 mod identity_token_balances;
 mod identity_token_infos;
+mod token_contract_info;
 mod token_direct_purchase_prices;
 mod token_perpetual_distribution_last_claim;
 mod token_pre_programmed_distributions;