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Move SECONDS_PER_SLOT back to 0_beacon_chain spec so that the "duration" notes make more sense

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Hsiao-Wei Wang 2019-07-04 20:41:00 +08:00
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1
specs/core/0_beacon-chain.md
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@ -207,6 +207,7 @@ The following values are (non-configurable) constants used throughout the specif
| Name | Value | Unit | Duration | | Name | Value | Unit | Duration |
| - | - | :-: | :-: | | - | - | :-: | :-: |
| `SECONDS_PER_SLOT` | `6` | seconds | 6 seconds |
| `MIN_ATTESTATION_INCLUSION_DELAY` | `2**0` (= 1) | slots | 6 seconds | | `MIN_ATTESTATION_INCLUSION_DELAY` | `2**0` (= 1) | slots | 6 seconds |
| `SLOTS_PER_EPOCH` | `2**6` (= 64) | slots | 6.4 minutes | | `SLOTS_PER_EPOCH` | `2**6` (= 64) | slots | 6.4 minutes |
| `MIN_SEED_LOOKAHEAD` | `2**0` (= 1) | epochs | 6.4 minutes | | `MIN_SEED_LOOKAHEAD` | `2**0` (= 1) | epochs | 6.4 minutes |

10
specs/core/0_fork-choice.md
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@ -8,8 +8,6 @@
- [Ethereum 2.0 Phase 0 -- Beacon Chain Fork Choice](#ethereum-20-phase-0----beacon-chain-fork-choice) - [Ethereum 2.0 Phase 0 -- Beacon Chain Fork Choice](#ethereum-20-phase-0----beacon-chain-fork-choice)
- [Table of contents](#table-of-contents) - [Table of contents](#table-of-contents)
- [Introduction](#introduction) - [Introduction](#introduction)
- [Configuration](#configuration)
- [Time parameters](#time-parameters)
- [Fork choice](#fork-choice) - [Fork choice](#fork-choice)
- [Helpers](#helpers) - [Helpers](#helpers)
- [`LatestMessage`](#latestmessage) - [`LatestMessage`](#latestmessage)
@ -29,14 +27,6 @@
This document is the beacon chain fork choice spec, part of Ethereum 2.0 Phase 0. It assumes the [beacon chain state transition function spec](./0_beacon-chain.md). This document is the beacon chain fork choice spec, part of Ethereum 2.0 Phase 0. It assumes the [beacon chain state transition function spec](./0_beacon-chain.md).
## Configuration
### Time parameters
| Name | Value | Unit | Duration |
| - | - | :-: | :-: |
| `SECONDS_PER_SLOT` | `6` | seconds | 6 seconds |
## Fork choice ## Fork choice
The head block root associated with a `store` is defined as `get_head(store)`. At genesis, let `store = get_genesis_store(genesis_state)` and update `store` by running: The head block root associated with a `store` is defined as `get_head(store)`. At genesis, let `store = get_genesis_store(genesis_state)` and update `store` by running: