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Docker node

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TamoMaez edited this page Feb 24, 2018 · 22 revisions

The fastest way to set up a Nano node is via a docker container from DockerHub. You'll need a semi-recent version of docker, Client Version ~ 1.5.0.

Installation instructions

https://docs.docker.com/engine/installation

Pulling docker image

sudo docker pull nanocurrency/nano

Running

sudo docker run -d -p 7075:7075/udp -p 7075:7075 -p [::1]:7076:7076 -v ~:/root nanocurrency/nano

This command:

  • Starts the docker container as a daemon "-d"
  • Maps the network activity port "-p 7075:7075/udp"
  • Maps the bootstrapping TCP port "-p 7075:7075"
  • Maps the RPC control port to the local adapter only "-p [::1]:7076:7076"
  • Maps the host's home directory to the guest /root directory "~:/root"
  • Specifies the container to execute "nanocurrency/nano"

This will put the data in a permanent location in your hosts's home directory, outside the docker container.

Troubleshooting

If you get Error starting userland proxy: port is not a proto:IP:port: 'tcp:[:'. or want to expose IPv4 port, use -p 127.0.0.1:7076:7076.

If you get create ~: volume name is too short, names should be at least two alphanumeric characters. replace the ~ with the full pathname such as /Users/someuser.

Setting up a wallet and adding accounts

curl -d '{ "action" : "wallet_create" }' [::1]:7076
The response will look like:
{ "wallet" : "000D1BAEC8EC208142C99059B393051BAC8380F9B5A2E6B2489A277D81789F3F" }
The number is the wallet ID that you can use to reference this wallet in other API commands.

curl -d '{ "action": "account_create", "wallet": "000D1BAEC8EC208142C99059B393051BAC8380F9B5A2E6B2489A277D81789F3F" }' [::1]:7076
The response will look like:
{ "account" : "xrb_3e3j5tkog48pnny9dmfzj1r16pg8t1e76dz5tmac6iq689wyjfpi00000000" }
This is the account number that was just created.

Back up the wallet seed following the backup instructions https://github.com/clemahieu/raiblocks/wiki/Wallet-Backups

Usability

You can find reference material for using docker here: https://docs.docker.com/engine/reference/commandline/

Once set up, using bashrc to create an alias can save you time.

For example (when 97bf54657cdb is your docker container):

sudo docker exec 97bf54657cdb /usr/bin/rai_node --diagnostics

Can be shortened to:

rai --diagnostics

By editing ~/.bashrc to add the alias:

alias rai='sudo docker exec 97bf54657cdb /usr/bin/rai_node'

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