25 lines
1.1 KiB
Nim
25 lines
1.1 KiB
Nim
|
# beacon_chain
|
||
|
|
# Copyright (c) 2021 Status Research & Development GmbH
|
||
|
|
# Licensed and distributed under either of
|
||
|
|
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
|
||
|
|
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
|
||
|
|
# at your option. This file may not be copied, modified, or distributed except according to those terms.
|
||
|
|
|
||
|
|
{.push raises: [Defect].}
|
||
|
|
|
||
|
|
import
|
||
|
|
../spec/[datatypes, digest, helpers, presets],
|
||
|
|
./block_pools_types, ./blockchain_dag
|
||
|
|
|
||
|
|
# State-related functions implemented based on StateData instead of BeaconState
|
||
|
|
|
||
|
|
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.1/specs/phase0/beacon-chain.md#get_current_epoch
|
||
|
|
func get_current_epoch*(stateData: StateData): Epoch =
|
||
|
|
## Return the current epoch.
|
||
|
|
getStateField(stateData, slot).epoch
|
||
|
|
|
||
|
|
template hash_tree_root*(stateData: StateData): Eth2Digest =
|
||
|
|
# Dispatch here based on type/fork of state. Since StateData is a ref object
|
||
|
|
# type, if Nim chooses the wrong overload, it will simply fail to compile.
|
||
|
|
stateData.data.root
|