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feat(mercury): add utils methods on issue-credential-protocol (#131)
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49 changes: 49 additions & 0 deletions
49
...ssue-credential/src/main/scala/io/iohk/atala/mercury/protocol/issuecredential/Utils.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| package io.iohk.atala.mercury.protocol.issuecredential | ||
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| import io.circe.syntax._ | ||
| import io.circe.parser._ | ||
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| import io.iohk.atala.mercury.model._ | ||
| import io.circe.Decoder | ||
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| private[this] trait BodyUtils { | ||
| def formats: Seq[CredentialFormat] | ||
| } | ||
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| private[this] trait ReadAttachmentsUtils { | ||
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| def body: BodyUtils | ||
| def attachments: Seq[AttachmentDescriptor] | ||
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| /** @return | ||
| * maping between the credential format name and the credential data in an array of Bytes encoded in base 64 | ||
| */ | ||
| // protected inline | ||
| lazy val getCredentialFormatAndCredential: Map[String, Array[Byte]] = | ||
| body.formats | ||
| .map { case CredentialFormat(id, formatName) => | ||
| val maybeAttachament = attachments | ||
| .find(_.id == id) | ||
| .map(_.data match { | ||
| case obj: JwsData => ??? // TODO | ||
| case obj: Base64 => obj.base64.getBytes() | ||
| case obj: LinkData => ??? // TODO Does this make sens | ||
| case obj: JsonData => | ||
| java.util.Base64 | ||
| .getUrlEncoder() | ||
| .encode(obj.data.asJson.noSpaces.getBytes()) | ||
| }) | ||
| maybeAttachament.map(formatName -> _) | ||
| } | ||
| .flatten | ||
| .toMap | ||
| // eyJhIjoiYSIsImIiOjEsIngiOjIsIm5hbWUiOiJNeU5hbWUiLCJkb2IiOiI_PyJ9 | ||
| def getCredential[A](credentialFormatName: String)(using decodeA: Decoder[A]): Option[A] = | ||
| getCredentialFormatAndCredential | ||
| .get(credentialFormatName) | ||
| .map(java.util.Base64.getUrlDecoder().decode(_)) | ||
| .map(String(_)) | ||
| .map(e => decode[A](e)) | ||
| .flatMap(_.toOption) | ||
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| } |
109 changes: 109 additions & 0 deletions
109
.../src/test/scala/io/iohk/atala/mercury/protocol/anotherclasspath/UtilsCredentialSpec.scala
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,109 @@ | ||
| package io.iohk.atala.mercury.protocol.anotherclasspath | ||
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| import cats.implicits.* | ||
| import io.circe.* | ||
| import io.circe.parser.* | ||
| import io.circe.syntax.* | ||
| import io.circe.generic.semiauto.* | ||
| import zio.* | ||
| import munit.* | ||
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| import io.iohk.atala.mercury.model._ | ||
| import io.iohk.atala.mercury.protocol.issuecredential._ | ||
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| private[this] case class TestCredentialType(a: String, b: Int, x: Long, name: String, dob: String) | ||
| private[this] object TestCredentialType { | ||
| given Encoder[TestCredentialType] = deriveEncoder[TestCredentialType] | ||
| given Decoder[TestCredentialType] = deriveDecoder[TestCredentialType] | ||
| } | ||
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| /** testOnly io.iohk.atala.mercury.protocol.anotherclasspath.UtilsCredentialSpec | ||
| */ | ||
| class UtilsCredentialSpec extends ZSuite { | ||
| val nameCredentialType = "prism/TestCredentialType" | ||
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| val credential = TestCredentialType( | ||
| a = "a", | ||
| b = 1, | ||
| x = 2, | ||
| name = "MyName", | ||
| dob = "??" | ||
| ) | ||
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| val credentialPreview = CredentialPreview(attributes = Seq()) | ||
| val body = OfferCredential.Body( | ||
| goal_code = Some("Offer Credential"), | ||
| credential_preview = credentialPreview | ||
| ) | ||
| val attachmentDescriptor = AttachmentDescriptor.buildAttachment(payload = credential) | ||
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| test("IssueCredential encode and decode any type of Credential into the attachments") { | ||
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| val msg = IssueCredential | ||
| .build( | ||
| fromDID = DidId("did:prism:test123from"), | ||
| toDID = DidId("did:prism:test123to"), | ||
| credentials = Map(nameCredentialType -> credential), | ||
| ) | ||
| .makeMessage | ||
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| val obj = IssueCredential.readFromMessage(msg) | ||
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| assertEquals(obj.getCredentialFormatAndCredential.size, 1) | ||
| assertEquals(obj.getCredentialFormatAndCredential.keySet, Set(nameCredentialType)) | ||
| assertEquals(obj.getCredential[TestCredentialType](nameCredentialType), Some(credential)) | ||
| } | ||
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| test("OfferCredential encode and decode any type of Credential into the attachments") { | ||
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| val msg = OfferCredential | ||
| .build( | ||
| fromDID = DidId("did:prism:test123from"), | ||
| toDID = DidId("did:prism:test123to"), | ||
| credential_preview = credentialPreview, | ||
| credentials = Map(nameCredentialType -> credential), | ||
| ) | ||
| .makeMessage | ||
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| val obj = OfferCredential.readFromMessage(msg) | ||
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| assertEquals(obj.getCredentialFormatAndCredential.size, 1) | ||
| assertEquals(obj.getCredentialFormatAndCredential.keySet, Set(nameCredentialType)) | ||
| assertEquals(obj.getCredential[TestCredentialType](nameCredentialType), Some(credential)) | ||
| } | ||
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| test("ProposeCredential encode and decode any type of Credential into the attachments") { | ||
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| val msg = ProposeCredential | ||
| .build( | ||
| fromDID = DidId("did:prism:test123from"), | ||
| toDID = DidId("did:prism:test123to"), | ||
| credential_preview = credentialPreview, | ||
| credentials = Map(nameCredentialType -> credential), | ||
| ) | ||
| .makeMessage | ||
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| val obj = ProposeCredential.readFromMessage(msg) | ||
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| assertEquals(obj.getCredentialFormatAndCredential.size, 1) | ||
| assertEquals(obj.getCredentialFormatAndCredential.keySet, Set(nameCredentialType)) | ||
| assertEquals(obj.getCredential[TestCredentialType](nameCredentialType), Some(credential)) | ||
| } | ||
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| test("RequestCredential encode and decode any type of Credential into the attachments") { | ||
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| val msg = RequestCredential | ||
| .build( | ||
| fromDID = DidId("did:prism:test123from"), | ||
| toDID = DidId("did:prism:test123to"), | ||
| credentials = Map(nameCredentialType -> credential), | ||
| ) | ||
| .makeMessage | ||
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| val obj = RequestCredential.readFromMessage(msg) | ||
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| assertEquals(obj.getCredentialFormatAndCredential.size, 1) | ||
| assertEquals(obj.getCredentialFormatAndCredential.keySet, Set(nameCredentialType)) | ||
| assertEquals(obj.getCredential[TestCredentialType](nameCredentialType), Some(credential)) | ||
| } | ||
| } |
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