add endpoint to return GIST data

config.yaml

@@ -1,3 +1,7 @@
+network:
+  eth_rpc:
+  state_contract:
+
 verifier:
   verification_keys_paths:
     sha1: "./sha1_verification_key.json"

docs/spec/components/schemas/GistData.yaml

@@ -0,0 +1,16 @@
+allOf:
+  - $ref: '#/components/schemas/GistDataKey'
+  - type: object
+    required:
+      - attributes
+    properties:
+      attributes:
+        type: object
+        required:
+          - gist_proof
+          - gist_root
+        properties:
+          gist_proof:
+            $ref: '#/components/schemas/GistProof'
+          gist_root:
+            type: string

docs/spec/components/schemas/GistDataKey.yaml

@@ -0,0 +1,11 @@
+type: object
+required:
+  - id
+  - type
+properties:
+  id:
+    type: string
+  type:
+    type: string
+    enum:
+      - gist_datas

docs/spec/components/schemas/GistProof.yaml

@@ -0,0 +1,27 @@
+type: object
+required:
+  - root
+  - existence
+  - siblings
+  - index
+  - value
+  - aux_existence
+  - aux_index
+  - aux_value
+properties:
+  root:
+    type: string
+  existence:
+    type: boolean
+  siblings:
+    type: array
+    items:
+      type: string
+  value:
+    type: string
+  aux_existence:
+    type: boolean
+  aux_index:
+    type: string
+  aux_value:
+    type: string

docs/spec/paths/intergrations@identity-provider-service@v1@gist-data.yaml

@@ -0,0 +1,34 @@
+get:
+  tags:
+    - GIST
+  summary: The GIST data retrieving
+  operationId: gist-data
+  parameters:
+    - in: query
+      name: user_did
+      required: true
+      schema:
+        type: string
+  responses:
+    '200':
+      description: Success
+      content:
+        application/json:
+          schema:
+            type: object
+            properties:
+              data:
+                type: object
+                $ref: '#/components/schemas/GistData'
+    '500':
+      description: Internal Error
+      content:
+        application/json:
+          schema:
+            $ref: '#/components/schemas/Errors'
+    '400':
+      description: Bad Request Error
+      content:
+        application/json:
+          schema:
+            $ref: '#/components/schemas/Errors'

go.mod

@@ -5,9 +5,13 @@ go 1.21.6
 require (
 	github.com/Masterminds/squirrel v1.4.0
 	github.com/alecthomas/kingpin v2.2.6+incompatible
+	github.com/ethereum/go-ethereum v1.11.5
 	github.com/fatih/structs v1.1.0
 	github.com/go-chi/chi v4.1.2+incompatible
+	github.com/go-ozzo/ozzo-validation/v4 v4.2.1
 	github.com/google/uuid v1.3.0
+	github.com/iden3/contracts-abi/state/go/abi v1.0.1
+	github.com/iden3/go-iden3-core/v2 v2.0.4
 	github.com/iden3/go-iden3-crypto v0.0.15
 	github.com/iden3/go-rapidsnark/types v0.0.3
 	github.com/iden3/go-rapidsnark/verifier v0.0.5
@@ -19,6 +23,7 @@ require (
 	gitlab.com/distributed_lab/figure/v3 v3.1.3
 	gitlab.com/distributed_lab/kit v1.11.2
 	gitlab.com/distributed_lab/logan v3.8.1+incompatible
+	gitlab.com/distributed_lab/urlval v3.0.0+incompatible
 )
 
 require (
@@ -29,30 +34,30 @@ require (
 	github.com/btcsuite/btcd/btcec/v2 v2.2.0 // indirect
 	github.com/certifi/gocertifi v0.0.0-20200211180108-c7c1fbc02894 // indirect
 	github.com/cloudflare/circl v1.3.7 // indirect
-	github.com/deckarep/golang-set v1.8.0 // indirect
+	github.com/deckarep/golang-set/v2 v2.1.0 // indirect
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect
-	github.com/ethereum/go-ethereum v1.10.25 // indirect
-	github.com/fsnotify/fsnotify v1.4.7 // indirect
+	github.com/fsnotify/fsnotify v1.6.0 // indirect
 	github.com/getsentry/raven-go v0.2.0 // indirect
-	github.com/getsentry/sentry-go v0.7.0 // indirect
+	github.com/getsentry/sentry-go v0.18.0 // indirect
 	github.com/go-gorp/gorp/v3 v3.1.0 // indirect
 	github.com/go-ole/go-ole v1.2.1 // indirect
-	github.com/go-ozzo/ozzo-validation/v4 v4.2.1 // indirect
-	github.com/go-stack/stack v1.8.0 // indirect
+	github.com/go-stack/stack v1.8.1 // indirect
 	github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect
 	github.com/google/jsonapi v0.0.0-20200226002910-c8283f632fb7 // indirect
 	github.com/google/pprof v0.0.0-20231229205709-960ae82b1e42 // indirect
 	github.com/gorilla/websocket v1.5.0 // indirect
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/holiman/uint256 v1.2.0 // indirect
 	github.com/jmoiron/sqlx v1.2.0 // indirect
 	github.com/klauspost/compress v1.17.4 // indirect
 	github.com/lann/builder v0.0.0-20180802200727-47ae307949d0 // indirect
 	github.com/lann/ps v0.0.0-20150810152359-62de8c46ede0 // indirect
 	github.com/lib/pq v1.10.9 // indirect
 	github.com/magiconair/properties v1.8.0 // indirect
 	github.com/mitchellh/mapstructure v1.4.1 // indirect
+	github.com/mr-tron/base58 v1.2.0 // indirect
 	github.com/oklog/ulid v1.3.1 // indirect
 	github.com/onsi/ginkgo/v2 v2.13.2 // indirect
 	github.com/pelletier/go-toml v1.2.0 // indirect