Created new function prepareCreateSubSpaceExtrinsic()

packages/chain-space/src/ChainSpace.chain.ts

@@ -37,6 +37,7 @@ import type {
   SpaceDigest,
   AuthorizationUri,
   SpaceUri,
+  SubmittableExtrinsic
 } from '@cord.network/types'
 import { SDKErrors, DecoderUtils } from '@cord.network/utils'
 import {
@@ -263,6 +264,41 @@ export async function dispatchToChain(
   }
 }
 
+/**
+ * Prepares the creation of a sub-space extrinsic for later dispatch to the blockchain.
+ * @param chainSpace - The ChainSpace object containing necessary information for creating the ChainSpace on the blockchain.
+ * @param authorAccount - The blockchain account used for signing and submitting the transaction.
+ * @param count - The count of transactions permitted to be performed on the chain for the subspace.
+ * @param creatorUri - The DID URI of the creator, used to authorize the transaction.
+ * @returns The prepared extrinsic ready for batch signing and submitting.
+ */
+export async function prepareCreateSubSpaceExtrinsic(
+  chainSpace: IChainSpace,
+  authorAccount: CordKeyringPair,
+  count: number,
+  parent: SpaceUri,
+  creatorUri: DidUri,
+  signCallback: SignExtrinsicCallback
+): Promise<SubmittableExtrinsic> {
+  try {
+    const api = ConfigService.get('api')
+
+    const tx = api.tx.chainSpace.subspaceCreate(chainSpace.digest, count, parent?.replace('space:cord:', ''))
+    const extrinsic = await Did.authorizeTx(
+      creatorUri,
+      tx,
+      signCallback,
+      authorAccount.address
+    )
+
+    return extrinsic;
+  } catch (error) {
+    throw new SDKErrors.CordDispatchError(
+      `Error preparing extrinsic: "${error}".`
+    )
+  }
+}
+
 /**
  * Dispatches a Sub-ChainSpace creation transaction to the CORD blockchain.
  *
@@ -309,16 +345,15 @@ export async function dispatchSubspaceCreateToChain(
   }
 
   try {
-    const api = ConfigService.get('api')
-
-    const tx = api.tx.chainSpace.subspaceCreate(chainSpace.digest, count, parent?.replace('space:cord:', ''))
-    const extrinsic = await Did.authorizeTx(
+
+    const extrinsic = await prepareCreateSubSpaceExtrinsic(
+      chainSpace,
+      authorAccount,
+      count,
+      parent,
       creatorUri,
-      tx,
-      signCallback,
-      authorAccount.address
+      signCallback
     )
-
     await Chain.signAndSubmitTx(extrinsic, authorAccount)
 
     return returnObject;
@@ -330,6 +365,7 @@ export async function dispatchSubspaceCreateToChain(
 }
 
 
+
 /**
  * Approves a ChainSpace on the CORD blockchain using sudo privileges.
  *