76 lines
2.0 KiB
Nim
76 lines
2.0 KiB
Nim
# Nimbus
|
|
# Copyright (c) 2018 Status Research & Development GmbH
|
|
# Licensed under either of
|
|
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
|
|
# http://www.apache.org/licenses/LICENSE-2.0)
|
|
# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
|
|
# http://opensource.org/licenses/MIT)
|
|
# at your option. This file may not be copied, modified, or distributed except
|
|
# according to those terms.
|
|
|
|
import
|
|
../../db/accounts_cache,
|
|
../../forks,
|
|
../../vm_state,
|
|
../../vm_types,
|
|
./executor_helpers,
|
|
eth/common
|
|
|
|
|
|
func eth(n: int): Uint256 {.compileTime.} =
|
|
n.u256 * pow(10.u256, 18)
|
|
|
|
const
|
|
eth5 = 5.eth
|
|
eth3 = 3.eth
|
|
eth2 = 2.eth
|
|
eth0 = 0.u256
|
|
|
|
# Note than the `blockRewards` were previously exported but nowhere
|
|
# used otherwise.
|
|
blockRewards: array[Fork, Uint256] = [
|
|
eth5, # FkFrontier
|
|
eth5, # FkHomestead
|
|
eth5, # FkTangerine
|
|
eth5, # FkSpurious
|
|
eth3, # FkByzantium
|
|
eth2, # FkConstantinople
|
|
eth2, # FkPetersburg
|
|
eth2, # FkIstanbul
|
|
eth2, # FkBerlin
|
|
eth2 # FkLondon
|
|
]
|
|
|
|
{.push raises: [Defect].}
|
|
|
|
|
|
proc calculateReward*(vmState: BaseVMState; account: EthAddress;
|
|
number: BlockNumber; uncles: openArray[BlockHeader])
|
|
{.gcsafe, raises: [Defect,CatchableError].} =
|
|
|
|
var blockReward: Uint256
|
|
safeExecutor("getFork"):
|
|
blockReward = blockRewards[vmState.getForkUnsafe]
|
|
|
|
var mainReward = blockReward
|
|
|
|
for uncle in uncles:
|
|
var uncleReward = uncle.blockNumber.u256 + 8.u256
|
|
uncleReward -= number
|
|
uncleReward = uncleReward * blockReward
|
|
uncleReward = uncleReward div 8.u256
|
|
vmState.mutateStateDB:
|
|
db.addBalance(uncle.coinbase, uncleReward)
|
|
mainReward += blockReward div 32.u256
|
|
|
|
vmState.mutateStateDB:
|
|
db.addBalance(account, mainReward)
|
|
|
|
|
|
proc calculateReward*(vmState: BaseVMState;
|
|
header: BlockHeader; body: BlockBody)
|
|
{.gcsafe, raises: [Defect,CatchableError].} =
|
|
vmState.calculateReward(header.coinbase, header.blockNumber, body.uncles)
|
|
|
|
# End
|