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Submitting your GenTx for the Evmos Mainnet

Thank you for becoming a genesis validator on Evmos! This guide will provide instructions on setting up a node, submitting a gentx, and other tasks needed to participate in the launch of the Evmos Mainnet.

A gentx does three things:

  • Registers the validator account you created as a validator operator account (i.e. the account that controls the validator).
  • Self-delegates the provided amount of staking tokens.
  • Links the operator account with a Tendermint node pubkey that will be used for signing blocks. If no --pubkey flag is provided, it defaults to the local node pubkey created via the evmosd init command.

Setup

Software:

To verify that Go is installed:

go version
# Should return go version go1.17 linux/amd64

Instructions (Launch: 2022-02-28T18:00:00Z)

These instructions are written targeting an Ubuntu 20.04 system. Relevant changes to commands should be made depending on the OS/architecture you are running on.

  1. Install evmosd

    git clone https://github.com/tharsis/evmos
cd evmos && git checkout tags/v1.0.0-beta1
make install

    Make sure to checkout to the v1.0.0-beta1 tag.

    Verify that everything is OK. If you get something like the following, you've successfully installed Evmos on your system.

    evmosd version --long

name: evmos
server_name: evmosd
version: 1.0.0-beta1
commit: 2c0b38566058df48ea5e7349e0b202bf743be90f
build_tags: netgo,ledger
go: go version go1.17 darwin/amd64

  2. Initialize the evmosd directories and create the local file with the correct chain-id

    evmosd init <moniker> --chain-id=evmos_9001-1

  3. You should have already created a key pair

  4. Add the account to your local genesis file with a given amount and key you just created.

    evmosd add-genesis-account $(evmosd keys show <your key name> -a) <correct balance in genesis file>aevmos

    Make sure to use aevmos denom, not evmos.

  5. Create the gentx

    evmosd gentx <your key name> <correct balance in genesis file>aevmos \
  --chain-id=evmos_9001-1 \
  --moniker=<moniker> \
  --details="My moniker description" \
  --commission-rate=0.05 \
  --commission-max-rate=0.2 \
  --commission-max-change-rate=0.01 \
  --pubkey $(evmosd tendermint show-validator) \
  --identity="<Keybase.io GPG Public Key>"

    Any gentxs with a commission rate set below 5% will be removed from the set.

  6. Create Pull Request to this repository (evmychan/something-special) with the file gentxs/<your validator moniker>.json. In order to be a valid submission, you need the .json file extension and no whitespace or special characters in your filename. Your PR should be one addition.