How to install Relayer for Cosmos SDK Starport chain

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I have created a blockchain with Starport (https://github.com/tendermint/starport).

The command to install I used was starport app github.com/tosch110/stargateapp --sdk-version=stargate

Now trying to run starport serve and start my blockchain, I get

Cosmos' version is: Stargate
Error: Please, check that Relayer is installed.
Usage:
  starport serve [flags]

Flags:
  -h, --help          help for serve
  -p, --path string   path of the app
  -v, --verbose       Verbose output

Please, check that Relayer is installed.

How do I install Relayer? Is there a particular repository / documentation which needs to be installed?

cosmos-sdk blockchain go
1 Answers

A relayer is an off-chain program that has a wallet with tokens, watches one or more blockchains for interchain transactions, and sends them to corresponding blockchains.

There is an implementation of a relayer in Go. To install it, run the following commands:

git clone https://github.com/cosmos/relayer

cd relayer

make install

This will install a rly binary. Starport will automatically use rly to set up relayer configuration between chains.

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