update get compute env return type (#1721)

src/services/Provider.ts

@@ -238,13 +238,16 @@ export class Provider {
     }
   }
 
-  /** Get Compute Environments
-   * @return {Promise<ComputeEnvironment[]>} urlDetails
+  /**
+   * Returns compute environments from a provider.
+   * @param {string} providerUri - The URI of the provider.
+   * @param {AbortSignal} [signal] - An optional abort signal.
+   * @returns {Promise<{[chainId: number]: ComputeEnvironment[]}>} A promise that resolves with an object containing compute environments for each chain ID.
    */
   public async getComputeEnvironments(
     providerUri: string,
     signal?: AbortSignal
-  ): Promise<ComputeEnvironment[]> {
+  ): Promise<{ [chainId: number]: ComputeEnvironment[] }> {
     const providerEndpoints = await this.getEndpoints(providerUri)
     const serviceEndpoints = await this.getServiceEndpoints(
       providerUri,
@@ -258,8 +261,12 @@ export class Provider {
         headers: { 'Content-Type': 'application/json' },
         signal
       })
-      const envs: ComputeEnvironment[] = await response.json()
-      return envs
+      const result = response.json()
+      if (Array.isArray(result)) {
+        const providerChain: number = providerEndpoints.chainId
+        return { [providerChain]: result }
+      }
+      return result
     } catch (e) {
       LoggerInstance.error(e)
       throw new Error('HTTP request failed calling Provider')