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# Tendermint P2P Tests |
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These scripts facilitate setting up and testing a local testnet using docker containers. |
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Setup your own local testnet as follows. |
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For consistency, we assume all commands are run from the Tendermint repository root (ie. $GOPATH/src/github.com/tendermint/tendermint). |
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First, build the docker image: |
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``` |
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docker build -t tendermint_tester -f ./test/docker/Dockerfile . |
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``` |
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Now create the docker network: |
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``` |
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docker network create --driver bridge --subnet 172.57.0.0/16 my_testnet |
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``` |
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This gives us a new network with IP addresses in the rage `172.57.0.0 - 172.57.255.255`. |
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Peers on the network can have any IP address in this range. |
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For our four node network, let's pick `172.57.0.101 - 172.57.0.104`. |
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Since we use Tendermint's default listening port of 46656, our list of seed nodes will look like: |
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``` |
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172.57.0.101:46656,172.57.0.102:46656,172.57.0.103:46656,172.57.0.104:46656 |
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``` |
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Now we can start up the peers. We already have config files setup in `test/p2p/data/`. |
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Let's use a for-loop to start our peers: |
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``` |
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for i in $(seq 1 4); do |
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docker run -d \ |
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--net=my_testnet\ |
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--ip="172.57.0.$((100 + $i))" \ |
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--name local_testnet_$i \ |
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--entrypoint tendermint \ |
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-e TMROOT=/go/src/github.com/tendermint/tendermint/test/p2p/data/mach$i/core \ |
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tendermint_tester node --seeds 172.57.0.101:46656,172.57.0.102:46656,172.57.0.103:46656,172.57.0.104:46656 --proxy_app=dummy |
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done |
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``` |
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If you now run `docker ps`, you'll see your containers! |
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We can confirm they are making blocks by checking the `/status` message using `curl` and `jq` to pretty print the output json: |
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``` |
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curl 172.57.0.101:46657/status | jq . |
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``` |
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