From 8384fd896eac04995708c0af4a39f60cc3c2a20c Mon Sep 17 00:00:00 2001 From: Alex Stokes Date: Wed, 4 May 2022 10:32:21 -0600 Subject: [PATCH] Add comment about domain type reservation --- specs/bellatrix/beacon-chain.md | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/specs/bellatrix/beacon-chain.md b/specs/bellatrix/beacon-chain.md index 0acef00a67..c2e3d79b0b 100644 --- a/specs/bellatrix/beacon-chain.md +++ b/specs/bellatrix/beacon-chain.md @@ -70,7 +70,9 @@ Additionally, this upgrade introduces the following minor changes: | Name | Value | | - | - | -| `DOMAIN_APPLICATION` | `DomainType('0x00000001')` | +| `DOMAIN_APPLICATION_MASK` | `DomainType('0x00000001')` | + +*Note*: `DOMAIN_APPLICATION_MASK` reserves the rest of the bitspace in `DomainType` for application usage. This means for some `DomainType` `DOMAIN_SOME_APPLICATION`, `DOMAIN_SOME_APPLICATION && DOMAIN_APPLICATION_MASK` **MUST** be non-zero. This expression for any other `DomainType` in the consensus specs **MUST** be zero. ## Preset