Overload TbdexHttpClient.getExchange to accept TypeId

httpclient/src/main/kotlin/tbdex/sdk/httpclient/TbdexHttpClient.kt

@@ -1,6 +1,7 @@
 package tbdex.sdk.httpclient
 
 import com.fasterxml.jackson.module.kotlin.convertValue
+import de.fxlae.typeid.TypeId
 import okhttp3.HttpUrl.Companion.toHttpUrl
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.OkHttpClient
@@ -100,6 +101,19 @@ object TbdexHttpClient {
     }
   }
 
+  /**
+   * Fetches a specific exchange identified by its ID from the PFI.
+   *
+   * @param pfiDid The decentralized identifier of the PFI.
+   * @param requesterDid The decentralized identifier of the entity requesting the exchange.
+   * @param exchangeId The unique identifier of the exchange to be fetched.
+   * @return An [Exchange] containing the requested exchange.
+   * @throws TbdexResponseException for request or response errors.
+   */
+  fun getExchange(pfiDid: String, requesterDid: Did, exchangeId: TypeId): Exchange {
+    return this.getExchange(pfiDid, requesterDid, exchangeId.toString())
+  }
+
   /**
    * Fetches a specific exchange identified by its ID from the PFI.
    *

httpclient/src/test/kotlin/tbdex/sdk/httpclient/TbdexHttpClientTest.kt

@@ -117,6 +117,18 @@ class TbdexHttpClientTest {
     assertEquals("400", exception.errors?.get(0)?.status)
   }
 
+  @Test
+  fun `get exchange TypeId overload success via mockwebserver`() {
+    val offeringId = TypeId.generate("offering")
+    val exchange = listOf(rfq(offeringId), quote())
+    val mockResponseString = Json.jsonMapper.writeValueAsString(mapOf("data" to exchange))
+    server.enqueue(MockResponse().setBody(mockResponseString).setResponseCode(HttpURLConnection.HTTP_OK))
+
+    val response = TbdexHttpClient.getExchange(pfiDid.uri, alice, TypeId.generate("rfq"))
+
+    assertEquals(offeringId, (response[0] as Rfq).data.offeringId)
+  }
+
   @Test
   fun `get exchange success via mockwebserver`() {
     val offeringId = TypeId.generate("offering")