Add script to reset the databases. (#211)

Co-authored-by: prathamesh0 <prathamesh.musale0@gmail.com>

README.md

@@ -74,6 +74,14 @@ CREATE EXTENSION
 uni-watcher-job-queue=# exit
 ```
 
+#### Reset
+
+Reset the databases used by the watchers:
+
+```bash
+yarn db:reset
+```
+
 ## Run
 
 To run any watcher, `cd` into their package folder and run:

package.json

@@ -10,6 +10,7 @@
   "scripts": {
     "test": "lerna run test --stream --no-bail",
     "lint": "lerna run lint --stream",
-    "build:contracts": "lerna run build:contracts"
+    "build:contracts": "lerna run build:contracts",
+    "db:reset": "sudo ./scripts/reset-dbs.sh"
   }
 }

scripts/reset-dbs.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+echo WARNING: This will reset all the databases used by the watchers.
+read -p "Do you want to continue? (y/n)" choice
+if [[ $choice =~ ^(Y|y| ) ]]
+then
+  sudo -i -u postgres bash << EOF
+  export PGPASSWORD=postgres
+
+  dropdb erc20-watcher
+  dropdb address-watcher
+  dropdb uni-watcher
+  dropdb uni-info-watcher
+
+  createdb erc20-watcher
+  createdb address-watcher
+  createdb uni-watcher
+  createdb uni-info-watcher
+
+  psql -d address-watcher-job-queue -c "delete from pgboss.job;"
+  psql -d uni-watcher-job-queue -c "delete from pgboss.job;"
+  psql -d uni-info-watcher-job-queue -c "delete from pgboss.job;"
+EOF
+else
+  echo "Abort."
+fi