chore: Add keystore start script

Author: jsanmigimeno

Diff for: .gitignore

@@ -41,4 +41,5 @@ src/contracts
 # env
 .env
 config.*.yaml
-!config.example.yaml
+!config.example.yaml
+*.keystore

Diff for: docker-compose.yaml

@@ -46,6 +46,7 @@ services:
       - NODE_ENV=${NODE_ENV}
       - REDIS_HOST=redis
       - SPY_HOST=spy
+      - RELAYER_PRIVATE_KEY=${RELAYER_PRIVATE_KEY}
     expose:
       - ${RELAYER_PORT}:${RELAYER_PORT}
     container_name: relayer

Diff for: scripts/start-docker-keystore.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+PRIVATE_KEY_RESPONSE=$(cast wallet decrypt-keystore --keystore-dir ./ $NODE_ENV.keystore) || exit 1
+RELAYER_PRIVATE_KEY="${PRIVATE_KEY_RESPONSE: -66}"
+RELAYER_PRIVATE_KEY="$RELAYER_PRIVATE_KEY" docker compose up -d