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tendermint/docs/architecture/README.md
M. J. Fromberger ce3c059a0d ADR 072: Re-instate a request-for-comments archive. (#6851)
This ADR restores a variation of the old Request for Comments documentation
that we previously used. The proposal differs from the original formulation,
and does not replace ADRs.
2021-08-23 18:06:01 -04:00

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4.7 KiB
Markdown

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# Architecture Decision Records (ADR)
This is a location to record all high-level architecture decisions in the tendermint project.
You can read more about the ADR concept in this [blog post](https://product.reverb.com/documenting-architecture-decisions-the-reverb-way-a3563bb24bd0#.78xhdix6t).
An ADR should provide:
- Context on the relevant goals and the current state
- Proposed changes to achieve the goals
- Summary of pros and cons
- References
- Changelog
Note the distinction between an ADR and a spec. The ADR provides the context, intuition, reasoning, and
justification for a change in architecture, or for the architecture of something
new. The spec is much more compressed and streamlined summary of everything as
it stands today.
If recorded decisions turned out to be lacking, convene a discussion, record the new decisions here, and then modify the code to match.
Note the context/background should be written in the present tense.
## Table of Contents
### Implemented
- [ADR-001: Logging](./adr-001-logging.md)
- [ADR-002: Event-Subscription](./adr-002-event-subscription.md)
- [ADR-003: ABCI-APP-RPC](./adr-003-abci-app-rpc.md)
- [ADR-004: Historical-Validators](./adr-004-historical-validators.md)
- [ADR-005: Consensus-Params](./adr-005-consensus-params.md)
- [ADR-008: Priv-Validator](./adr-008-priv-validator.md)
- [ADR-009: ABCI-Design](./adr-009-ABCI-design.md)
- [ADR-010: Crypto-Changes](./adr-010-crypto-changes.md)
- [ADR-011: Monitoring](./adr-011-monitoring.md)
- [ADR-014: Secp-Malleability](./adr-014-secp-malleability.md)
- [ADR-015: Crypto-Encoding](./adr-015-crypto-encoding.md)
- [ADR-016: Protocol-Versions](./adr-016-protocol-versions.md)
- [ADR-017: Chain-Versions](./adr-017-chain-versions.md)
- [ADR-018: ABCI-Validators](./adr-018-ABCI-Validators.md)
- [ADR-019: Multisigs](./adr-019-multisigs.md)
- [ADR-020: Block-Size](./adr-020-block-size.md)
- [ADR-021: ABCI-Events](./adr-021-abci-events.md)
- [ADR-025: Commit](./adr-025-commit.md)
- [ADR-026: General-Merkle-Proof](./adr-026-general-merkle-proof.md)
- [ADR-033: Pubsub](./adr-033-pubsub.md)
- [ADR-034: Priv-Validator-File-Structure](./adr-034-priv-validator-file-structure.md)
- [ADR-043: Blockchain-RiRi-Org](./adr-043-blockchain-riri-org.md)
- [ADR-044: Lite-Client-With-Weak-Subjectivity](./adr-044-lite-client-with-weak-subjectivity.md)
- [ADR-046: Light-Client-Implementation](./adr-046-light-client-implementation.md)
- [ADR-047: Handling-Evidence-From-Light-Client](./adr-047-handling-evidence-from-light-client.md)
- [ADR-051: Double-Signing-Risk-Reduction](./adr-051-double-signing-risk-reduction.md)
- [ADR-052: Tendermint-Mode](./adr-052-tendermint-mode.md)
- [ADR-053: State-Sync-Prototype](./adr-053-state-sync-prototype.md)
- [ADR-054: Crypto-Encoding-2](./adr-054-crypto-encoding-2.md)
- [ADR-055: Protobuf-Design](./adr-055-protobuf-design.md)
- [ADR-056: Light-Client-Amnesia-Attacks](./adr-056-light-client-amnesia-attacks.md)
- [ADR-059: Evidence-Composition-and-Lifecycle](./adr-059-evidence-composition-and-lifecycle.md)
- [ADR-062: P2P-Architecture](./adr-062-p2p-architecture.md)
- [ADR-063: Privval-gRPC](./adr-063-privval-grpc.md)
- [ADR-066-E2E-Testing](./adr-066-e2e-testing.md)
### Accepted
- [ADR-006: Trust-Metric](./adr-006-trust-metric.md)
- [ADR-024: Sign-Bytes](./adr-024-sign-bytes.md)
- [ADR-035: Documentation](./adr-035-documentation.md)
- [ADR-039: Peer-Behaviour](./adr-039-peer-behaviour.md)
- [ADR-060: Go-API-Stability](./adr-060-go-api-stability.md)
- [ADR-061: P2P-Refactor-Scope](./adr-061-p2p-refactor-scope.md)
- [ADR-065: Custom Event Indexing](./adr-065-custom-event-indexing.md)
- [ADR-068: Reverse-Sync](./adr-068-reverse-sync.md)
- [ADR-067: Mempool Refactor](./adr-067-mempool-refactor.md)
### Rejected
- [ADR-023: ABCI-Propose-tx](./adr-023-ABCI-propose-tx.md)
- [ADR-029: Check-Tx-Consensus](./adr-029-check-tx-consensus.md)
- [ADR-058: Event-Hashing](./adr-058-event-hashing.md)
### Proposed
- [ADR-007: Trust-Metric-Usage](./adr-007-trust-metric-usage.md)
- [ADR-012: Peer-Transport](./adr-012-peer-transport.md)
- [ADR-013: Symmetric-Crypto](./adr-013-symmetric-crypto.md)
- [ADR-022: ABCI-Errors](./adr-022-abci-errors.md)
- [ADR-030: Consensus-Refactor](./adr-030-consensus-refactor.md)
- [ADR-037: Deliver-Block](./adr-037-deliver-block.md)
- [ADR-038: Non-Zero-Start-Height](./adr-038-non-zero-start-height.md)
- [ADR-041: Proposer-Selection-via-ABCI](./adr-041-proposer-selection-via-abci.md)
- [ADR-045: ABCI-Evidence](./adr-045-abci-evidence.md)
- [ADR-057: RPC](./adr-057-RPC.md)
- [ADR-069: Node Initialization](./adr-069-flexible-node-initialization.md)
- [ADR-071: Proposer-Based Timestamps](adr-071-proposer-based-timestamps.md)
- [ADR-072: Restore Requests for Comments](./adr-072-request-for-comments.md)