feat: adding and removing service endpoints

basics/serviceEndpoints.ts

@@ -0,0 +1,55 @@
+import { ConfigService, DidHelpers } from '@kiltprotocol/sdk-js'
+import { DidDocument, KiltAddress, SignerInterface } from '@kiltprotocol/types'
+
+const serviceId = '#example-service-id'
+
+export async function addServiceEndpoints(
+  didDocument: DidDocument,
+  signers: SignerInterface[],
+  submitter: SignerInterface<'Ed25519', KiltAddress>
+): Promise<void> {
+  const api = ConfigService.get('api')
+
+  const transactionHandler = DidHelpers.addService({
+    api,
+    didDocument,
+    signers,
+    submitter,
+    service: {
+      id: serviceId,
+      type: ['example-type'],
+      serviceEndpoint: ['https://example.com/endpoint'],
+    },
+  }).submit()
+
+  // Check if the result is rejected or confirmed
+  if (result.isRejected) {
+    throw new Error(`Service added failed: ${result.asRejected.error}`)
+  }
+  if (result.isConfirmed) {
+    console.log('Service added successfully')
+  }
+}
+
+export async function removeServiceEndpoints(
+  didDocument: DidDocument,
+  signers: SignerInterface[],
+  submitter: SignerInterface<'Ed25519', KiltAddress>
+): Promise<void> {
+  const api = ConfigService.get('api')
+
+  const transactionHandler = DidHelpers.removeService({
+    api,
+    didDocument,
+    signers: signers,
+    submitter: submitter,
+    id: serviceId,
+  }).submit()
+  // Check if the result is rejected or confirmed
+  if (result.asRejected) {
+    throw new Error(`Service removal failed: ${result.asRejected.error}`)
+  }
+  if (result.asConfirmed) {
+    console.log('Service removed successfully')
+  }
+}

basics/test.ts

@@ -6,6 +6,10 @@ import { Balances, KiltAddress, SignerInterface } from '@kiltprotocol/types'
 import { issueCredential } from './issueCredential.ts'
 import { claimW3N } from './claimW3N.ts'
 import { releaseW3N } from './releaseW3N.ts'
+import {
+  addServiceEndpoints,
+  removeServiceEndpoints,
+} from './serviceEndpoints.ts'
 
 async function runAll(): Promise<void> {
   let api = await Kilt.connect('wss://peregrine.kilt.io/')
@@ -50,7 +54,12 @@ async function runAll(): Promise<void> {
   )
 
   console.log('Credential', credential)
-
+  await addServiceEndpoints(holderDid.didDocument, holderDid.signers, submitter)
+  await removeServiceEndpoints(
+    holderDid.didDocument,
+    holderDid.signers,
+    submitter
+  )
   await api.disconnect()
   console.log('disconnected')
 }