From 40d289f1a3004caafdecabeb4e9faa74b40c435f Mon Sep 17 00:00:00 2001 From: vbuterin Date: Sat, 24 Nov 2018 16:16:27 -0500 Subject: [PATCH] Resolved Justin's #13 --- specs/core/0_beacon-chain.md | 1 + 1 file changed, 1 insertion(+) diff --git a/specs/core/0_beacon-chain.md b/specs/core/0_beacon-chain.md index 1efd98d4b..1600519f5 100644 --- a/specs/core/0_beacon-chain.md +++ b/specs/core/0_beacon-chain.md @@ -803,6 +803,7 @@ For each `AttestationRecord` object: * Derive a group public key by adding the public keys of all of the attesters in `attestation_indices` for whom the corresponding bit in `attester_bitfield` (the ith bit is `(attester_bitfield[i // 8] >> (7 - (i %8))) % 2`) equals 1. * Let `fork_version = pre_fork_version if slot < fork_slot_number else post_fork_version`. * Verify that `aggregate_sig` verifies using the group pubkey generated and the serialized form of `AttestationSignedData(fork_version, slot, shard, parent_hashes, shard_block_hash, last_crosslinked_hash, shard_block_combined_data_root, justified_slot)` as the message. +* [TO BE REMOVED IN PHASE 1] Verify that `shard_block_hash == bytes([0] * 32)` Extend the list of `AttestationRecord` objects in the `state` with those included in the block, ordering the new additions in the same order as they came in the block.