BRISE Chain Relayer

BRISE Relayer Guides

Prepare Fund

  1. Make sure that you have enough BRISE in your account. You can get from faucet

If you haven't created your account yet, please follow these guides to create one first.

  • 100 BRISE for relayer register

  • More than 50 BRISE for transaction fee

Tip

Currently the brise-chain-relayer code is not fully prepared. Some features like db persistence, alert, prometheus monitor are still under development. So please don’t modify the configuration about db_config, alert_config, instrumentation_config, admin_config

Steps to Install BRISE Relayer

1.Build from source code

Make sure that you have installed Go 1.13+ and have added GOPATH to PATH environment variable

git clonehttps://github.com/Bitgert/brise-chain-relayer
# Enter the folder bsc was cloned into
cd nc-relayer
# Comile and install bsc
make build

or you can download the pre-build binaries from release page

Get Example Config File

Get example config from this url: https://github.com/Bitgert/brise-chain-relayer/blob/master/config/config.json

Editconfig.json and fill your BRISE private key to bsc_config.private_key, example private key: AFD8C5D83F148065176268A9D1EE375A10CEE1E74D15985D4CC63E467EC34DA5

  • Brise Chain Configuration:

    • mnemonic: Paste the recovery phrase here. Since nc-relayer will automaticly submit double-sign evidence, if it's committed, the reward will be sent to this address

  • Brise Chain Configuration: *

Start Relayer

You can start Locally

./brise-chain-relayer --config-type local --config-path config.json

Output:

(base) huangsuyudeMacBook-Pro:mac huangsuyu$ nc-relayer --config-type local --config-path config.json
2020-05-27 17:01:16 INFO main Start relayer
2020-05-27 17:01:16 INFO SyncProtocol Sync cross chain protocol fromhttps://github.com/Bitgert/brise-chain-relayer-config.git
2020-05-27 17:01:18 INFO RegisterRelayerHub This relayer has already been registered
2020-05-27 17:01:18 INFO CleanPreviousPackages channelID: 1, next deliver sequence 55 on TC, next sequence 55 on BC
2020-05-27 17:01:18 INFO CleanPreviousPackages channelID: 2, next deliver sequence 1273 on TC, next sequence 1273 on BC
2020-05-27 17:01:18 INFO CleanPreviousPackages channelID: 3, next deliver sequence 6 on TC, next sequence 6 on BC
2020-05-27 17:01:19 INFO CleanPreviousPackages channelID: 8, next deliver sequence 5 on TC, next sequence 5 on BC
2020-05-27 17:01:19 INFO RelayerDaemon Start relayer daemon
2020-05-27 17:01:19 INFO Serve start admin server at 0.0.0.0:8080

Or, dynamic Sync Cross Chain Protocol Configuration from https://github.com/Bitgert/brise-chain-relayer-config

./nc-relayer --config-type local --config-path config.json

Verify Status

You could call RelayerHub Contract to verify that your relayer is registered. Go to read contract and call isRelayer function. If it returns true, then your relayer is working properly.

Relayer Rewards

  1. You can witness the distribution of relayer rewards in the log of system contract: https://brisescan.com/address/0x0000000000000000000000000000000000001005#events. According to the design of Relayer Incentive, the rewards will be distributed every 1000 data packages. The total accumulated rewards can be read from contract the value of _collectedRewardForHeaderRelayer and _collectedRewardForTransferRelayer.

  2. Query your relayer's status

The total accumulated relayed count can be read from contract the value of _transferRelayersSubmitCount

Stop Relayer

To get your locked 100 BRISE back, you need to call RelayerHub Contract to unregister your relayer. The fee is 0.1 BRISE

  • Go to MyEtherWallet and interact with contract

  • Fill in the contract address: 0x0000000000000000000000000000000000001006 with abi interface

  • Call unregister function and leave value in ETH as 0

  • Sign your transaction in MetaMask

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