nimbus-eth1/nimbus/core/executor/calculate_reward.nim

45 lines
1.4 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,
../../common/common,
../../vm_state,
../../vm_types
{.push raises: [Defect].}
proc calculateReward*(vmState: BaseVMState; account: EthAddress;
number: BlockNumber; uncles: openArray[BlockHeader])
{.gcsafe, raises: [Defect,CatchableError].} =
let blockReward = vmState.com.blockReward()
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