fix: fixed regression bug in migration script

Author: samt1803

packages/brubeck-migration-script/src/Migrator.ts

@@ -50,7 +50,7 @@ export class Migrator {
             if (!(await this.registryFromMigrator.exists(streamid))) {
                 try {
                     this.debug('creating stream ' + streamid)
-                    const transaction = await this.registryFromMigrator.populateTransaction.trustedSetStreamMetadata(streamid, 'metadata')
+                    const transaction = await this.registryFromMigrator.populateTransaction.trustedSetStreamMetadata(streamid, streams[streamid].metadata)
                     await this.sendTransaction(transaction)
                 } catch (e) {
                     this.debug('ERROR creating stream: ' + e)

packages/brubeck-migration-script/src/index.ts

@@ -45,8 +45,8 @@ const compareAndMigrate = async () => {
             const streams: any = {}
             results.forEach((queryResultLine: any) => {
                 const metadata = JSON.stringify({
-                    description: queryResultLine.description,
-                    partitions: queryResultLine.partitions,
+                    description: queryResultLine.description || '',
+                    partitions: queryResultLine.partitions || 1,
                     inactivityThresholdHours: queryResultLine.inactivity_threshold_hours
                 })
                 if (ethers.utils.isAddress(queryResultLine.username)) {