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