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keyBackup.md

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Backing up your keys to your local machine

For every foundational node operator there are two keys of importanace.

  • BLS Key - This is used for signing your transactions which earns rewards
  • Wallet Key - this is used to access (sign transactions) for the rewards earned

It is important these two keys are backed up

Here is how to copy the keys to your local machine from your AWS Instance

  • Locate your bls keys - this will depend on the name you gave them By default the keys should be in the same directory you run ./node.sh and be stored with a UTC prefix
cd ~
ls UTC*

Gives the key name e.g.

UTC--2019-06-12T19-22-43.157337000Z--bls_19101de3d0578c3146a1904f25a3344a998dcb0a18433dc5cc977d05f378676b0652b4a64fa8dff6c819cfd52dc94c14

  • Locate your wallet key - this should be stored in .hmy/keystore/
ls .hmy/keystore/*

Gives the wallet keys e.g.

.hmy/keystore/UTC--2019-06-12T19-19-44.548607000Z--56151cda1f9574543d0f5f0b2c33384dbfdf0fb7

where your wallet key is UTC--2019-06-12T19-19-44.548607000Z--56151cda1f9574543d0f5f0b2c33384dbfdf0fb7

Using SCP

  • Here we will use scp -i which has the format scp -i <pem> <from> <to> where

    • is the pem file used to connect to AWS
    • is the file your copying from
    • is the file your copying to

    e.g. scp -i oregon-key-benchmark.pem ec2-user@54.190.19.255:/home/ec2-user/UT* ./keybackup/

    or scp -i oregon-key-benchmark.pem ec2-user@ec2-34-222-17-175.us-west-2.compute.amazonaws.com;/home/ec2-user/UT* ./keybackup/

Download the keys to your local machine

  • Create a directory where you would like to keep your downloaded keys
  • Move your .pem file to that machine so you can access your AWS instance
  • Get your AWS connection information this can be retrieved by going to you AWS Console, selecting the EC2 instance and pressing connect
  • Use SCP to download your BLS Key
  • Use SCP to download your wallet key
  • Check that your files have been downloaded

For example

mkdir keybackup
cp ./sample.pem .
scp -i oregon-key-benchmark.pem ec2-user@54.190.19.255:/home/ec2-user/UT* ./keybackup/
scp -i oregon-key-benchmark.pem ec2-user@54.190.19.255:/home/ec2-user/.hmy/keystore/* ./keybackup/