1909 Hyperledger Besu(a.k.a pantheon) Overview

1. Hyperledger Besu(a.k.a Pantheon)?
Hyperledger Korea User Group

2. Besu(a.k.a Pantheon) is Enterprise Ethereum
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• besu(베이수,bay-soo)는 일본어로 base/foundation의미
• an open-source Ethereum client developed under the Apache 2.0 license and written
in Java.
• It runs on the Ethereum public network, private networks, and test networks such
as Rinkeby, Ropsten, and Görli.
• implements Proof of Work(Ethash) and Proof of Authority(IBFT 2.0 and Clique)
consensus mechanisms.
• command line interface and JSON-RPC API for running, maintaining, debugging, and
monitoring nodes in an Ethereum network
• using tool such as Truffle, Remix, and web3j

3. 시스템 요구사항
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• 메모리
- 최소 4GB, Ethereum Mainnet 사용시 최소 8GB
• 디스크
- Ethereum Mainnet 사용시 동기화를 위해 3TB
• Java
- JDK/JRE 11+, 64bit버전

4. 기능
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출처 – Twitter @felipefaraggi

5. v1.2 새로운 기능
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출처 – Twitter @felipefaraggi

6. Permissioning feature
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출처 – Twitter @felipefaraggi

7. 배포, 데이터, 모니터링
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• 배포
- Ansible
- Docker
- Kubernetes
• 데이터
- GraphQL(not available in Quorum, Parity)
• 모니터링
- Prometheus/Grafana
출처 – Twitter @felipefaraggi

8. 아키텍처
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출처 – https://www.hyperledger.org/category/hyperledger-besu

9. Permissioning
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출처 – https://besu.hyperledger.org/en/latest/Concepts/Permissioning/Permissioning-Overview/
Node Permissioning Account Permissioning

10. Privacy
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출처 – https://besu.hyperledger.org/en/latest/Concepts/Privacy/Privacy-Overview/
• 관련된 참가자 사이의 거래를 비공개로 유지할 수 있는 기능.
• 다른 참가자는 거래 내용이나 참가자의 목록에 접근할 수 없음.
• Private Transaction Manager를 통해 Privacy 구현. 현재 Orion 지원.
• Private Transaction을 송신하거나 수신하기 위해 각 노드는 Private
Transaction Manager 역할을 하는 Orion 노드를 가짐.

11. Privacy – Ethereum Node + Orion Node(Private Transaction
Manager)
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출처 – https://besu.hyperledger.org/en/latest/Concepts/Privacy/Privacy-Overview/

12. Privacy Group = Channel
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출처 – https://besu.hyperledger.org/en/latest/Concepts/Privacy/Privacy-Groups/
• EEA-compliant privacy – “privateFor”
• Besu-extended privacy – “privacyGroupId”

13. 로드맵
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출처 – Twitter @felipefaraggi

14. 사례
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출처 – Twitter @felipefaraggi

15. Hyperledger Fabric - 2Org
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Peer Peer
Peer PeerOrderer
Org1
Org2peer0.org1.example.com
peer1.org1.example.com
peer0.org2.example.comorderer.example.com
fabric_byfn
peer1.org2.example.com

16. 데모 – 3 node(org) 계속
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Node
Orion
public
private
node1
Node
Orion
node2
Node
Orion
node3
Node’s private, public key
Orion’s private, public key
SC SC
Public State
private State

17. 데모 – 3 node(org)
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contract EventEmitter {
address owner;
event stored(address _to, uint _amount);
address _sender;
uint _value;
constructor() public {
owner = msg.sender;
}
function store(uint _amount) public {
emit stored(msg.sender, _amount);
_value = _amount;
_sender = msg.sender;
}
function value() view public returns (uint) {
return _value;
}
function sender() view public returns (address) {
return _sender;
}
}
[ 컨트랙트 배포 ]
[ 함수 호출 ]

18. 18
감사합니다.