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README.md
NBC Audit 2020
This folder contains the description, tasks and scope of Nimbus audit pre-mainnet launch.
RFP:
The audit was done in 3 phases, related branches are:
- https://github.com/status-im/nimbus-eth2/tree/nbc-audit-2020-0
- https://github.com/status-im/nimbus-eth2/tree/nbc-audit-2020-1
- https://github.com/status-im/nimbus-eth2/tree/nbc-audit-2020-2
The audit involved 3 vendors:
- Consensys Diligence: https://consensys.net/diligence/
- NCC: https://www.nccgroup.com/
- Trail of Bits: https://www.trailofbits.com/
Outline
| Module | Repository | Audit round | Category |
|---|---|---|---|
| Wire encryption | nim-crypto, nim-libp2p, nim-bearssl | Round 1 | Network Core Audit |
| Ethereum 2 Request/Response protocol | nimbus-eth2, nim-faststreams, nim-serialization | Round 1 | Network Core Audit |
| Discover Protocol (discv5) | nim-eth | Round 1 | Network Core Audit |
| SSZ - (De)serialization & tree hashing | nimbus-eth2 | Round 2 | Network Core Audit |
| Block/attestation signing | nimbus-eth2, nim-blscurve | Round 2 | Validator Core Audit |
| Peer pool management | nimbus-eth2 | Round 2 | ETH2 Specification Core Audit |
| Block Synchronization | nimbus-eth2 | Round 2 | ETH2 Specification Core Audit |
| Fork choice logic | nimbus-eth2 | Round 2 | ETH2 Specification Core Audit |
| Reward processing | nimbus-eth2 | Round 2 | ETH2 Specification Core Audit |
| Eth1 data processing | nimbus-eth2, nim-web3 | Round 2 | ETH2 Specification Core Audit |
| Epoch finalisation and justification | nimbus-eth2 | Round 2 | ETH2 Specification Core Audit |
| Signature verification | nimbus-eth2, nim-blscurve | Round 2 | ETH2 Specification Core Audit |
| State transition logic | nimbus-eth2 | Round 2 | ETH2 Specification Core Audit |
| Publish/Subscribe protocol (gossipsub) | nim-libp2p | Round 4 | Network Core Audit |
| Command Line Interface (CLI) | nimbus-eth2, nim-confutils | Round 3 | Validator Core Audit |
| RPC API | nimbus-eth2, nim-json-rpc | Round 3 | Validator Core Audit |
| Accounts management & key storage | nimbus-eth2 | Round 3 | Validator Core Audit |
| Slash-prevention mechanisms | nimbus-eth2 | Round 3 | Validator Core Audit |
| Attestation processing and production | nimbus-eth2 | Round 3 | ETH2 Specification Core Audit |
| Block processing and production | nimbus-eth2 | Round 3 | ETH2 Specification Core Audit |