Test Chain for the Mumbai2 Protocol Proposal

Public RPC endpoints https://rpc.mumbainet.teztnets.xyz
Faucet Mumbainet faucet
Full network name TEZOS_MUMBAINET_2023-03-09T15:00:00Z
Tezos docker build tezos/tezos:v16.1
Activated on 2023-03-09T15:00:00Z
Block Explorers TzKT - TzStats

Mumbainet has 8 second blocks (twice faster than mainnet).

Install the software

⚠️ If you already have an existing Tezos installation, do not forget to backup and delete your ~/.tezos-node and ~/.tezos-client.

Download and install Tezos version v16.1

Follow instructions from the Tezos documentation.

Alternative: Use docker

To join Mumbainet with docker, open a shell in the container:

docker run -it --entrypoint=/bin/sh tezos/tezos:v16.1

Alternative: Build the software

⚠️ If this is your first time installing Tezos, you may need to install a few dependencies.

git clone git@gitlab.com:tezos/tezos.git
cd tezos
git checkout v16.1
opam init # if this is your first time using OPAM
make build-deps
eval $(opam env)
export PATH=$HOME/tezos/_build/install/default/bin/:$PATH

Join the Mumbainet network

Run the following commands:

octez-node config init --network mumbainet

octez-node run --rpc-addr

💡 A simple way to keep your process alive is to use screen or nohup to keep it running in the background while redirecting logs into files at the same time. For example:

nohup octez-node run --rpc-addr > ./node-mumbainet.log &

Bake on the Mumbainet network

To improve reliability of the chain, you can take part in the consensus by becoming a baker. In that case, you will need some test tokens from the faucet.

If you are not a bootstrap baker, you need to register your key as a delegate using your alias or pkh. For instance:

./octez-client register key mykey as delegate

You may now launch the baker process.

octez-baker-PtMumbai run with local node ~/.tezos-node mykey --liquidity-baking-toggle-vote pass

You may run the accuser as well:

octez-accuser-PtMumbai run

💡 Again, to keep your processes alive in background:

nohup octez-baker-PtMumbai run with local node ~/.tezos-node mykey --liquidity-baking-toggle-vote pass > ./baker-mumbainet.log &

Note that you need a minimum amount of tez to get baking rights. If you are not a bootstrap baker, it will take you several cycles to start baking.