Given the limitation of smart contracts, they are not self-executing, and require an external force to trigger their functions. Relay is a service to drive LRT network to properly process its own internal states, such as dealing with delegating, undelegating, distributing rewards and calculating the rate between LRT and LST. We introduce era concept to define how often the smart contract should be called. Most of the time, an era is 24 hours long.

Security is the our first priority when developing Stack, We are thrilled to say that the new era process is permissionless, showcasing the decentralized nature of the StaFi LRT Stack, allowing anyone to trigger the beginning of a new era.

Install build tools

Install makegcc and git

sudo apt update
sudo apt install -y make gcc git build-essential

Install go by following the official docs. Remember to set your $PATH environment variable, for example:

cd $HOME
wget -O go1.22.0.linux-amd64.tar.gz https://go.dev/dl/go1.22.0.linux-amd64.tar.gz
rm -rf /usr/local/go && tar -C /usr/local -xzf go1.22.0.linux-amd64.tar.gz && rm go1.22.0.linux-amd64.tar.gz
echo 'export GOROOT=/usr/local/go' >> $HOME/.bashrc
echo 'export GOPATH=$HOME/go' >> $HOME/.bashrc
echo 'export GO111MODULE=on' >> $HOME/.bashrc
echo 'export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin' >> $HOME/.bashrc && . $HOME/.bashrc
go version

Install relay service

git clone https://github.com/stafiprotocol/lrd-relay.git
cd lrd-relay
make install

Add account

lrd-relay add-account
config home: /home/ubuntu/.stafi/lrd
keystore path: /home/ubuntu/.stafi/lrd/keystore
password for key:
> 
INFO[2024-04-12T11:01:28+08:00] key added                                     address=0xE2E896D5ACB6B192Bb519185287908D2A38C7d3E file=/home/ubuntu/.stafi/lrd/keystore/0xE2E896D5ACB6B192Bb519185287908D2A38C7d3E.key

Or import account

lrd-relay import-account
config home: /home/ubuntu/.stafi/lrd
keystore path: /home/ubuntu/.stafi/lrd/keystore
Enter private key:
> 
password for key:
> 
INFO[2024-04-12T11:06:01+08:00] key imported                                  address=0x68146ebA486CE6F8D22731c8ECB4d013F34E7114 file=/home/ubuntu/.stafi/lrd/keystore/0x68146ebA486CE6F8D22731c8ECB4d013F34E7114.key

Start relay service

lrd-relay start --stake_manager 0x<your_stake_manager_address> \
    --account 0x<imported_account_address> \
    --endpoint http://127.0.0.1:8545 \
    --log_level info

Options

optiondescriptionexample value
stake_managerthe address of StakeManager contract of the LRT network0xb77BD2bdE07205AE1926F857c4E8c5B90c6050a3
accountthe account that has been added or imported0x68146ebA486CE6F8D22731c8ECB4d013F34E7114
endpointRPC endpoint on Ethereumhttp://127.0.0.1:8545
homeHome path (default “$HOME/.stafi/lrd”)
log_levelThe logging level (trace|debug|info|warn|error|fatal|panic)info