Prepare your keys!

Before modifying your customSpec.json with the keys, you will need to prepare your keys.

in this project, we will set up FOUR sets of keys to build the trusted nodes specs.

to do that, the easiest process is to generate your keys on the terminal in your GCP instance.

SSH into your GCP terminal

create node keys

      
      cd Unit-Network-Chain
      
      ./target/release/node-unitchain key generate --scheme Sr25519 
      

this will create the aura key which will look like this

Secret phrase:       remember you eternal wreck scrub text dismiss else dad gallery option saddle
  Network ID:        substrate
  Secret seed:       0x82373aef20e8e3d68420f9a5b55482419be99bf0bc123df525913f58c0a0994e
  Public key (hex):  0xfe2de904c2538aa334632f57ab6b9a585d52c640af665492d986b04b9f0fce14
  Account ID:        0xfe2de904c2538aa334632f57ab6b9a585d52c640af665492d986b04b9f0fce14
  Public key (SS58): 5Hoyf7yTUUPmBEyxPxXmWuUgUpX6WKrLFGKASSDoTeefFqDL
  SS58 Address:      5Hoyf7yTUUPmBEyxPxXmWuUgUpX6WKrLFGKASSDoTeefFqDL
  

copy the Secret phrase and insert into the command to create the grandpa

./target/release/node-unitchain key inspect --scheme Ed25519 "remember you eternal wreck scrub text dismiss else dad gallery option saddle"

the grandpa key will look like this :

Secret phrase:       remember you eternal wreck scrub text dismiss else dad gallery option saddle
  Network ID:        substrate
  Secret seed:       0x82373aef20e8e3d68420f9a5b55482419be99bf0bc123df525913f58c0a0994e
  Public key (hex):  0xa2b586853a7b6f0c8034ab315808d7a140eb96e4d50fa9d1a32de9b571e01ba3
  Account ID:        0xa2b586853a7b6f0c8034ab315808d7a140eb96e4d50fa9d1a32de9b571e01ba3
  Public key (SS58): 5Fk3YCp7dXDEcui3VEwvFLmfvUkbFQGQJH3SG6dSrAtjze9y
  SS58 Address:      5Fk3YCp7dXDEcui3VEwvFLmfvUkbFQGQJH3SG6dSrAtjze9y

repeat this process FOUR times so you have FOUR SETS of keys to insert into the customSpec.json file