How to setup chainlink in Mac System

Git clone -> https://github.com/smartcontractkit/chainlink

Setup Chainlink Node Using below command

Pre-requisites to be done‌

1. Install Go 1.15, and add your GOPATH's bin directory to your PATH

   • Example Path for macOS export PATH=$GOPATH/bin:$PATH & export GOPATH=/Users/$USER/go

2. Install NodeJS 12.18 & Yarn

   • It might be easier long term to use nvm to switch between node versions for different projects: nvm install 12.18 && nvm use 12.18

3. Install Postgres (>= 11.x).

   • You should configure Postgres to use SSL connection

4. Download Chainlink: git clone https://github.com/smartcontractkit/chainlink && cd chainlink

5. Build and install Chainlink: make install

   • If you got any errors regarding locked yarn package, try running yarn install before this step

   • If you get error during make install with permission access apply this command

     • sudo chown -R ${whoami}:admin /usr/local/go/bin/

6. Run the node: chainlink help‌

Postgres should have database chainlink_test created

O‌nce all set, open up terminal and export these variable. Please note, the ETH_CHAIN_ID=1337 is for ganache. If you want to connect with mainnet or testnet, use appropriate ETH_CHAIN_ID. YOu can also update websocket URL to listen to

• export DATABASE_URL=postgresql://127.0.0.1:5432/chainlink_test?sslmode=disable

• export CHAINLINK_DEV=true # I prefer to use direnv and skip thi

• export ETH_CHAIN_ID=1337 # for ganche 

• export CHAINLINK_TLS_PORT=0

  export ETH_URL=websocket url (replace it)

Once all set, run below command -> 

Chaincode node start 

It will ask you to set keystore password, nd it should be in below combinations.. 3 capital letters, 3 small letters, 3 numbers and 3 special characters.

That's it, you will be able to open GUI by localhost:6688