From 52698a18659c2cfd95f7aca5ac54546d088fa1c1 Mon Sep 17 00:00:00 2001
From: Kirill Fedoseev <k.fedoseev@innopolis.university>
Date: Fri, 11 Oct 2019 11:50:41 +0300
Subject: [PATCH] Added reset block functionality

---
 demo/reset-to-block.sh                        | 19 +++++++++++++++++++
 src/oracle/scripts/resetToBlock/Dockerfile    | 11 +++++++++++
 src/oracle/scripts/resetToBlock/package.json  |  7 +++++++
 .../scripts/resetToBlock/resetToBlock.js      | 18 ++++++++++++++++++
 src/oracle/scripts/resetToBlock/run.sh        |  9 +++++++++
 5 files changed, 64 insertions(+)
 create mode 100755 demo/reset-to-block.sh
 create mode 100644 src/oracle/scripts/resetToBlock/Dockerfile
 create mode 100644 src/oracle/scripts/resetToBlock/package.json
 create mode 100644 src/oracle/scripts/resetToBlock/resetToBlock.js
 create mode 100755 src/oracle/scripts/resetToBlock/run.sh

diff --git a/demo/reset-to-block.sh b/demo/reset-to-block.sh
new file mode 100755
index 0000000..7028678
--- /dev/null
+++ b/demo/reset-to-block.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+set -e
+
+cd $(dirname "$0")
+
+# either development or staging
+TARGET_NETWORK=${TARGET_NETWORK:=development}
+
+echo "Resetting block in redis"
+
+docker network create redis_net > /dev/null 2>&1 || true
+docker kill redis > /dev/null 2>&1 || true
+docker rm redis > /dev/null 2>&1 || true
+docker run --rm --network redis_net -d --name redis -v "$PWD/validator$N/$TARGET_NETWORK/db:/data" redis:5.0.5-alpine
+
+../src/oracle/scripts/resetToBlock/run.sh redis_net $1
+
+docker kill redis
diff --git a/src/oracle/scripts/resetToBlock/Dockerfile b/src/oracle/scripts/resetToBlock/Dockerfile
new file mode 100644
index 0000000..1702c3d
--- /dev/null
+++ b/src/oracle/scripts/resetToBlock/Dockerfile
@@ -0,0 +1,11 @@
+FROM node:10.16.0-alpine
+
+WORKDIR /test
+
+COPY package.json /test/
+
+RUN npm install
+
+COPY resetToBlock.js /test/
+
+ENTRYPOINT ["node", "resetToBlock.js"]
diff --git a/src/oracle/scripts/resetToBlock/package.json b/src/oracle/scripts/resetToBlock/package.json
new file mode 100644
index 0000000..f4546c1
--- /dev/null
+++ b/src/oracle/scripts/resetToBlock/package.json
@@ -0,0 +1,7 @@
+{
+  "name": "reset-to-block",
+  "version": "0.0.1",
+  "dependencies": {
+    "ioredis": "4.14.1"
+  }
+}
diff --git a/src/oracle/scripts/resetToBlock/resetToBlock.js b/src/oracle/scripts/resetToBlock/resetToBlock.js
new file mode 100644
index 0000000..bcbaddf
--- /dev/null
+++ b/src/oracle/scripts/resetToBlock/resetToBlock.js
@@ -0,0 +1,18 @@
+const Redis = require('ioredis')
+
+const redis = new Redis({
+  port: 6379,
+  host: 'redis',
+  family: 4,
+  db: 0
+})
+
+redis.on('error', () => {
+  console.log('Error: Cannot connect to redis')
+})
+
+redis.on('connect', async () => {
+  await redis.set('homeBlock', parseInt(process.argv[2]))
+  await redis.save()
+  redis.disconnect()
+})
diff --git a/src/oracle/scripts/resetToBlock/run.sh b/src/oracle/scripts/resetToBlock/run.sh
new file mode 100755
index 0000000..d739bb7
--- /dev/null
+++ b/src/oracle/scripts/resetToBlock/run.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+set -e
+
+cd $(dirname "$0")
+
+docker build -t reset-to-block .
+
+docker run --rm --network $1 reset-to-block $2