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+]
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+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
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+ "zstd-safe",
+]
+
+[[package]]
+name = "zstd-safe"
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+dependencies = [
+ "libc",
+ "zstd-sys",
+]
+
+[[package]]
+name = "zstd-sys"
+version = "2.0.8+zstd.1.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5556e6ee25d32df2586c098bbfa278803692a20d0ab9565e049480d52707ec8c"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+]
diff --git a/blockscout-ens/Cargo.toml b/blockscout-ens/Cargo.toml
new file mode 100644
index 000000000..24a7c34ec
--- /dev/null
+++ b/blockscout-ens/Cargo.toml
@@ -0,0 +1,5 @@
+[workspace]
+
+members = [
+    "bens-proto",
+]
diff --git a/blockscout-ens/bens-proto/Cargo.toml b/blockscout-ens/bens-proto/Cargo.toml
new file mode 100644
index 000000000..63ec5f1df
--- /dev/null
+++ b/blockscout-ens/bens-proto/Cargo.toml
@@ -0,0 +1,20 @@
+[package]
+name = "bens-proto"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+actix-web = "4"
+actix-prost = { git = "https://github.com/blockscout/actix-prost" }
+actix-prost-macros = { git = "https://github.com/blockscout/actix-prost" }
+prost = "0.11"
+serde = { version = "1" }
+serde_with = { version = "2.0" }
+tonic = "0.8"
+
+[build-dependencies]
+actix-prost-build = { git = "https://github.com/blockscout/actix-prost" }
+prost-build = "0.11"
+tonic-build = "0.8"
\ No newline at end of file
diff --git a/blockscout-ens/bens-proto/build.rs b/blockscout-ens/bens-proto/build.rs
new file mode 100644
index 000000000..af6420827
--- /dev/null
+++ b/blockscout-ens/bens-proto/build.rs
@@ -0,0 +1,46 @@
+use actix_prost_build::{ActixGenerator, GeneratorList};
+use prost_build::{Config, ServiceGenerator};
+use std::path::Path;
+
+// custom function to include custom generator
+fn compile(
+    protos: &[impl AsRef<Path>],
+    includes: &[impl AsRef<Path>],
+    generator: Box<dyn ServiceGenerator>,
+) -> Result<(), Box<dyn std::error::Error>> {
+    let mut config = Config::new();
+    config
+        .service_generator(generator)
+        .compile_well_known_types()
+        .protoc_arg("--openapiv2_out=swagger/")
+        .protoc_arg("--openapiv2_opt")
+        .protoc_arg("grpc_api_configuration=proto/api_config_http.yaml,output_format=yaml,allow_merge=true,merge_file_name=bens")
+        .bytes(["."])
+        .btree_map(["."])
+        .type_attribute(".", "#[actix_prost_macros::serde]")
+        // .field_attribute(
+        //     ".blockscout.ethBytecodeDb.v2.VerifyVyperMultiPartRequest.interfaces",
+        //     "#[serde(default)]"
+        // )
+        ;
+    config.compile_protos(protos, includes)?;
+    Ok(())
+}
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    // We need to rebuild proto lib only if any of proto definitions
+    // (or corresponding http mapping) has been changed.
+    println!("cargo:rerun-if-changed=proto/");
+
+    std::fs::create_dir_all("./swagger/").unwrap();
+    let gens = Box::new(GeneratorList::new(vec![
+        tonic_build::configure().service_generator(),
+        Box::new(ActixGenerator::new("proto/api_config_http.yaml").unwrap()),
+    ]));
+    compile(
+        &["proto/bens.proto", "proto/health.proto"],
+        &["proto"],
+        gens,
+    )?;
+    Ok(())
+}
diff --git a/blockscout-ens/bens-proto/proto/api_config_http.yaml b/blockscout-ens/bens-proto/proto/api_config_http.yaml
new file mode 100644
index 000000000..b31e40a64
--- /dev/null
+++ b/blockscout-ens/bens-proto/proto/api_config_http.yaml
@@ -0,0 +1,18 @@
+type: google.api.Service
+config_version: 3
+
+http:
+  rules:
+    #################### DomainsExtractor ####################
+    - selector: blockscout.bens.v1.DomainsExtractor.SearchReverseDomain
+      post: /api/v1/{chain_id}/domains:search-reverse
+      body: "*"
+
+    - selector: blockscout.bens.v1.DomainsExtractor.SearchDomain
+      post: /api/v1/{chain_id}/domains:search
+      body: "*"
+
+    #################### Health ####################
+
+    - selector: blockscout.ethBytecodeDb.v2.Health.Check
+      get: /health
diff --git a/blockscout-ens/bens-proto/proto/bens.proto b/blockscout-ens/bens-proto/proto/bens.proto
new file mode 100644
index 000000000..599a4e729
--- /dev/null
+++ b/blockscout-ens/bens-proto/proto/bens.proto
@@ -0,0 +1,78 @@
+syntax = "proto3";
+
+package blockscout.bens.v1;
+
+option go_package = "github.com/blockscout/blockscout-rs/bens";
+
+service DomainsExtractor {
+  rpc SearchReverseDomain(SearchReverseDomainRequest) returns (SearchReverseDomainResponse) {}
+  rpc SearchDomain(SearchDomainRequest) returns (DetailedDomain) {}
+}
+
+message Domain {
+  /// Unique id for the domain, also known as nodehash
+  string id = 1;
+  /// The human readable name, if known. Unknown portions replaced with hash in square brackets (eg, foo.[1234].eth)
+  string name = 2;
+  /// Integer representation of labelhash
+  uint64 token_id = 3;
+  /// The account that owns the domain
+  string owner = 4;
+  /// Optinal. Resolved address of this domain
+  optional string resolved_address = 5;
+  /// Optinal. The account that owns the ERC721 NFT for the domain
+  optional string registrant = 6;
+  /// Optinal. Unix timestamp of expiry date. None means never expires
+  optional uint64 expiry_date = 7;
+  /// Unix timestamp of regisration date
+  uint64 registration_date = 8;
+  /// Map chain -> resolved_address that contains other blockchain addresses.
+  /// This map will contain `current_chain_id` -> `resovled_address` if `resovled_address` is not None
+  map<string, string> other_address = 9;
+}
+
+message DomainEvent {
+  /// Transaction hash where action occured
+  string transaction_hash = 1;
+  /// Timestamp of this transaction
+  uint64 timestamp = 2;
+  /// Sender of transaction
+  string from_address = 3;
+  /// Optinal. Action name
+  optional string action = 4;
+}
+
+
+message DetailedDomain {
+  /// Optinal. Basic domain info
+  optional Domain domain = 1;
+  /// List of domain events
+  repeated DomainEvent history = 2;
+}
+
+
+message SearchReverseDomainRequest {
+  /// Address of EOA or contract
+  string address = 1;
+  /// The chain (network) where domain search should be done
+  uint64 chain_id = 2;
+  /// Include domains resolved to the address
+  bool resolved_to = 3;
+  /// Include domains owned by the address
+  bool owned_by = 4;
+}
+
+message SearchReverseDomainResponse {
+  // List of domains that resolved to requested address
+  // Sorted by relevance, so first address could be displayed as main resolved address
+  repeated Domain resolved_to = 1;
+  // List of domains owned by requested address
+  repeated Domain owned_by = 2;
+}
+
+message SearchDomainRequest {
+  /// Name of domain, for example vitalik.eth
+  string name = 1;
+  /// The chain (network) where domain search should be done
+  uint64 chain_id = 2;
+}
diff --git a/blockscout-ens/bens-proto/proto/health.proto b/blockscout-ens/bens-proto/proto/health.proto
new file mode 100644
index 000000000..fb3d849d3
--- /dev/null
+++ b/blockscout-ens/bens-proto/proto/health.proto
@@ -0,0 +1,63 @@
+syntax = "proto3";
+
+package blockscout.bens.v1;
+
+// Copyright 2015 The gRPC Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// The canonical version of this proto can be found at
+// https://github.com/grpc/grpc-proto/blob/master/grpc/health/v1/health.proto
+
+option csharp_namespace = "Grpc.Health.V2";
+option go_package = "github.com/blockscout/blockscout-rs/bens";
+option java_multiple_files = true;
+option java_outer_classname = "HealthProto";
+option java_package = "io.grpc.health.v2";
+
+message HealthCheckRequest {
+  optional string service = 1;
+}
+
+message HealthCheckResponse {
+  enum ServingStatus {
+    UNKNOWN = 0;
+    SERVING = 1;
+    NOT_SERVING = 2;
+    SERVICE_UNKNOWN = 3; // Used only by the Watch method.
+  }
+  ServingStatus status = 1;
+}
+
+service Health {
+  // If the requested service is unknown, the call will fail with status
+  // NOT_FOUND.
+  rpc Check(HealthCheckRequest) returns (HealthCheckResponse);
+
+  // // Performs a watch for the serving status of the requested service.
+  // // The server will immediately send back a message indicating the current
+  // // serving status.  It will then subsequently send a new message whenever
+  // // the service's serving status changes.
+  // //
+  // // If the requested service is unknown when the call is received, the
+  // // server will send a message setting the serving status to
+  // // SERVICE_UNKNOWN but will *not* terminate the call.  If at some
+  // // future point, the serving status of the service becomes known, the
+  // // server will send a new message with the service's serving status.
+  // //
+  // // If the call terminates with status UNIMPLEMENTED, then clients
+  // // should assume this method is not supported and should not retry the
+  // // call.  If the call terminates with any other status (including OK),
+  // // clients should retry the call with appropriate exponential backoff.
+  // rpc Watch(HealthCheckRequest) returns (stream HealthCheckResponse);
+}
diff --git a/blockscout-ens/bens-proto/src/lib.rs b/blockscout-ens/bens-proto/src/lib.rs
new file mode 100644
index 000000000..7c1af29d8
--- /dev/null
+++ b/blockscout-ens/bens-proto/src/lib.rs
@@ -0,0 +1,8 @@
+#![allow(clippy::derive_partial_eq_without_eq)]
+pub mod blockscout {
+    pub mod eth_bytecode_db {
+        pub mod v2 {
+            include!(concat!(env!("OUT_DIR"), "/blockscout.bens.v1.rs"));
+        }
+    }
+}
diff --git a/blockscout-ens/bens-proto/swagger/bens.swagger.yaml b/blockscout-ens/bens-proto/swagger/bens.swagger.yaml
new file mode 100644
index 000000000..80c88b68c
--- /dev/null
+++ b/blockscout-ens/bens-proto/swagger/bens.swagger.yaml
@@ -0,0 +1,194 @@
+swagger: "2.0"
+info:
+  title: bens.proto
+  version: version not set
+tags:
+  - name: DomainsExtractor
+  - name: Health
+consumes:
+  - application/json
+produces:
+  - application/json
+paths:
+  /api/v1/{chainId}/domains:search:
+    post:
+      operationId: DomainsExtractor_SearchDomain
+      responses:
+        "200":
+          description: A successful response.
+          schema:
+            $ref: '#/definitions/v1DetailedDomain'
+        default:
+          description: An unexpected error response.
+          schema:
+            $ref: '#/definitions/rpcStatus'
+      parameters:
+        - name: chainId
+          description: / The chain (network) where domain search should be done
+          in: path
+          required: true
+          type: string
+          format: uint64
+        - name: body
+          in: body
+          required: true
+          schema:
+            type: object
+            properties:
+              name:
+                type: string
+                title: / Name of domain, for example vitalik.eth
+      tags:
+        - DomainsExtractor
+  /api/v1/{chainId}/domains:search-reverse:
+    post:
+      operationId: DomainsExtractor_SearchReverseDomain
+      responses:
+        "200":
+          description: A successful response.
+          schema:
+            $ref: '#/definitions/v1SearchReverseDomainResponse'
+        default:
+          description: An unexpected error response.
+          schema:
+            $ref: '#/definitions/rpcStatus'
+      parameters:
+        - name: chainId
+          description: / The chain (network) where domain search should be done
+          in: path
+          required: true
+          type: string
+          format: uint64
+        - name: body
+          in: body
+          required: true
+          schema:
+            type: object
+            properties:
+              address:
+                type: string
+                title: / Address of EOA or contract
+              resolvedTo:
+                type: boolean
+                title: / Include domains resolved to the address
+              ownedBy:
+                type: boolean
+                title: / Include domains owned by the address
+      tags:
+        - DomainsExtractor
+definitions:
+  HealthCheckResponseServingStatus:
+    type: string
+    enum:
+      - UNKNOWN
+      - SERVING
+      - NOT_SERVING
+      - SERVICE_UNKNOWN
+    default: UNKNOWN
+    description: ' - SERVICE_UNKNOWN: Used only by the Watch method.'
+  protobufAny:
+    type: object
+    properties:
+      '@type':
+        type: string
+    additionalProperties: {}
+  rpcStatus:
+    type: object
+    properties:
+      code:
+        type: integer
+        format: int32
+      message:
+        type: string
+      details:
+        type: array
+        items:
+          type: object
+          $ref: '#/definitions/protobufAny'
+  v1DetailedDomain:
+    type: object
+    properties:
+      domain:
+        $ref: '#/definitions/v1Domain'
+        title: / Optinal. Basic domain info
+      history:
+        type: array
+        items:
+          type: object
+          $ref: '#/definitions/v1DomainEvent'
+        title: / List of domain events
+  v1Domain:
+    type: object
+    properties:
+      id:
+        type: string
+        title: / Unique id for the domain, also known as nodehash
+      name:
+        type: string
+        title: / The human readable name, if known. Unknown portions replaced with hash in square brackets (eg, foo.[1234].eth)
+      tokenId:
+        type: string
+        format: uint64
+        title: / Integer representation of labelhash
+      owner:
+        type: string
+        title: / The account that owns the domain
+      resolvedAddress:
+        type: string
+        title: / Optinal. Resolved address of this domain
+      registrant:
+        type: string
+        title: / Optinal. The account that owns the ERC721 NFT for the domain
+      expiryDate:
+        type: string
+        format: uint64
+        title: / Optinal. Unix timestamp of expiry date. None means never expires
+      registrationDate:
+        type: string
+        format: uint64
+        title: / Unix timestamp of regisration date
+      otherAddress:
+        type: object
+        additionalProperties:
+          type: string
+        title: |-
+          / Map chain -> resolved_address that contains other blockchain addresses.
+          / This map will contain `current_chain_id` -> `resovled_address` if `resovled_address` is not None
+  v1DomainEvent:
+    type: object
+    properties:
+      transactionHash:
+        type: string
+        title: / Transaction hash where action occured
+      timestamp:
+        type: string
+        format: uint64
+        title: / Timestamp of this transaction
+      fromAddress:
+        type: string
+        title: / Sender of transaction
+      action:
+        type: string
+        title: / Optinal. Action name
+  v1HealthCheckResponse:
+    type: object
+    properties:
+      status:
+        $ref: '#/definitions/HealthCheckResponseServingStatus'
+  v1SearchReverseDomainResponse:
+    type: object
+    properties:
+      resolvedTo:
+        type: array
+        items:
+          type: object
+          $ref: '#/definitions/v1Domain'
+        title: |-
+          List of domains that resolved to requested address
+          Sorted by relevance, so first address could be displayed as main resolved address
+      ownedBy:
+        type: array
+        items:
+          type: object
+          $ref: '#/definitions/v1Domain'
+        title: List of domains owned by requested address