Add SV2 DATUM payout hardening

package.json

@@ -47,6 +47,7 @@
     "class-validator": "^0.14.4",
     "discord.js": "^14.26.4",
     "dotenv": "^16.6.1",
+    "libsodium-wrappers-sumo": "^0.8.4",
     "merkle-lib": "^2.0.10",
     "pg": "^8.20.0",
     "pm2": "^7.0.1",
@@ -64,6 +65,7 @@
     "@types/cron": "^2.0.1",
     "@types/express": "^4.17.25",
     "@types/jest": "^29.5.14",
+    "@types/libsodium-wrappers-sumo": "^0.7.8",
     "@types/node": "^18.19.130",
     "@types/supertest": "^7.2.0",
     "@typescript-eslint/eslint-plugin": "^5.0.0",