[ATL-1342] feat(pollux): Added JSON Schema

pollux/vc-jwt/project/Dependencies.scala

@@ -6,17 +6,23 @@ object Dependencies {
     val jwtCirceVersion = "9.1.1"
   }
 
-  private lazy val coreJwtCirce = "io.circe" %% "circe-core" % Versions.circeVersion
-  private lazy val genericJwtCirce = "io.circe" %% "circe-generic" % Versions.circeVersion
-  private lazy val parserJwtCirce = "io.circe" %% "circe-parser" % Versions.circeVersion
+  private lazy val coreJwtCirce = ("io.circe" %% "circe-core" % Versions.circeVersion).cross(CrossVersion.for3Use2_13)
+  private lazy val genericJwtCirce =
+    ("io.circe" %% "circe-generic" % Versions.circeVersion).cross(CrossVersion.for3Use2_13)
+  private lazy val parserJwtCirce =
+    ("io.circe" %% "circe-parser" % Versions.circeVersion).cross(CrossVersion.for3Use2_13)
 
-  private lazy val jwtCirce = "com.github.jwt-scala" %% "jwt-circe" % Versions.jwtCirceVersion
+  private lazy val circeJsonSchema =
+    ("net.reactivecore" %% "circe-json-schema" % "0.3.0").cross(CrossVersion.for3Use2_13)
+
+  private lazy val jwtCirce =
+    ("com.github.jwt-scala" %% "jwt-circe" % Versions.jwtCirceVersion).cross(CrossVersion.for3Use2_13)
 
   private lazy val test = "org.scalameta" %% "munit" % "0.7.29" % Test
 
   // Dependency Modules
   private lazy val circeDependencies: Seq[ModuleID] = Seq(coreJwtCirce, genericJwtCirce, parserJwtCirce)
-  private lazy val baseDependencies: Seq[ModuleID] = circeDependencies :+ jwtCirce :+ test
+  private lazy val baseDependencies: Seq[ModuleID] = circeDependencies :+ jwtCirce :+ circeJsonSchema :+ test
 
   // Project Dependencies
   lazy val polluxVcJwtDependencies: Seq[ModuleID] = baseDependencies

pollux/vc-jwt/src/main/scala/io/iohk/atala/pollux/vc/jwt/Main.scala → pollux/vc-jwt/src/main/scala/io/iohk/atala/pollux/vc/jwt/JWTDemo.scala

@@ -6,6 +6,12 @@ import pdi.jwt.{JwtAlgorithm, JwtCirce}
 import java.security.*
 import java.security.spec.*
 import java.time.Instant
+import net.reactivecore.cjs.Loader
+
+import net.reactivecore.cjs.{DocumentValidator, Loader, Result}
+import net.reactivecore.cjs.resolver.Downloader
+import cats.implicits._
+import io.circe.Json
 
 @main def jwtDemo(): Unit =
   val keyGen = KeyPairGenerator.getInstance("EC")

pollux/vc-jwt/src/main/scala/io/iohk/atala/pollux/vc/jwt/SchemaDemo.scala

@@ -0,0 +1,85 @@
+package io.iohk.atala.pollux.vc.jwt
+
+import cats.implicits.*
+import io.circe.*
+import net.reactivecore.cjs.resolver.Downloader
+import net.reactivecore.cjs.{DocumentValidator, Loader, Result}
+import pdi.jwt.{JwtAlgorithm, JwtCirce, JwtClaim}
+
+import java.security.*
+import java.security.spec.*
+import java.time.Instant
+
+@main def schemaDemo(): Unit =
+  val schemaCode =
+    """
+      |{
+      |  "type": "object",
+      |  "properties": {
+      |    "userName": {
+      |      "$ref": "#/$defs/user"
+      |    },
+      |    "age": {
+      |      "$ref": "#/$defs/age"
+      |    },
+      |    "email": {
+      |      "$ref": "#/$defs/email"
+      |    }
+      |  },
+      |  "required": ["userName", "age", "email"],
+      |  "$defs": {
+      |    "user": {
+      |       "type": "string",
+      |       "minLength": 3
+      |     },
+      |     "age": {
+      |       "type": "number"
+      |     },
+      |     "email": {
+      |       "type": "string",
+      |       "format": "email"
+      |     }
+      |  }
+      |}
+      |""".stripMargin
+
+  val validator = Loader.empty.fromJson(schemaCode)
+
+  def test(s: Json): Unit = {
+    val result = validator.right.get.validate(s)
+    println(s"Result of ${s}: ${result}")
+  }
+
+  test(Json.fromString("wrongType"))
+  test(
+    Json.obj(
+      "userName" -> Json.fromString("Bob"),
+      "age" -> Json.fromInt(42)
+    )
+  )
+
+  // Missing UserName
+  test(
+    Json.obj(
+      "age" -> Json.fromInt(42),
+      "email" -> Json.fromString("[email protected]")
+    )
+  )
+
+  // Age has Wrong type
+  test(
+    Json.obj(
+      "userName" -> Json.fromString("Bob"),
+      "age" -> Json.fromBoolean(false),
+      "email" -> Json.fromString("[email protected]")
+    )
+  )
+
+  // Success
+  test(
+    Json.obj(
+      "userName" -> Json.fromString("Bob"),
+      "age" -> Json.fromInt(42),
+      "email" -> Json.fromString("email")
+    )
+  )