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implement EIP 1884 stub

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andri lim 2019-11-11 12:12:58 +07:00 committed by zah
parent 0bb6c73bdb
commit 078375061b
4 changed files with 15 additions and 1 deletions
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9
nimbus/vm/interpreter/gas_costs.nim
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@ -604,10 +604,17 @@ func spuriousGasFees(previous_fees: GasFeeSchedule): GasFeeSchedule =
result = previous_fees
result[GasExpByte] = 50
func istanbulGasFees(previous_fees: GasFeeSchedule): GasFeeSchedule =
# https://eips.ethereum.org/EIPS/eip-1884
result[GasSload] = 800
result[GasExtCodeHash] = 700
result[GasBalance] = 700
const
HomesteadGasFees = BaseGasFees.homesteadGasFees
TangerineGasFees = HomesteadGasFees.tangerineGasFees
SpuriousGasFees = TangerineGasFees.spuriousGasFees
IstanbulGasFees = SpuriousGasFees.istanbulGasFees
gasFees*: array[Fork, GasFeeSchedule] = [
FkFrontier: BaseGasFees,
@ -618,7 +625,7 @@ const
FkSpurious: SpuriousGasFees,
FkByzantium: SpuriousGasFees,
FkConstantinople: SpuriousGasFees,
FkIstanbul: SpuriousGasFees
FkIstanbul: IstanbulGasFees
]

1
nimbus/vm/interpreter/opcode_values.nim
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@ -80,6 +80,7 @@ fill_enum_holes:
GasLimit = 0x45, # Get the block's gas limit.
ChainID = 0x46, # Get current chain’s EIP-155 unique identifier.
SelfBalance = 0x47, # Get current contract's balance.
# 50s: Stack, Memory, Storage and Flow Operations
Pop = 0x50, # Remove item from stack.

5
nimbus/vm/interpreter/opcodes_impl.nim
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@ -377,6 +377,11 @@ op chainID, inline = true:
# TODO: this is a stub
push: 0
op selfBalance, inline = true:
## 0x47, Get current contract's balance.
# TODO: this is a stub
push: 0
# ##########################################
# 50s: Stack, Memory, Storage and Flow Operations

1
nimbus/vm/interpreter_dispatch.nim
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@ -218,6 +218,7 @@ let ConstantinopleOpDispatch {.compileTime.}: array[Op, NimNode] = genConstantin
proc genIstanbulJumpTable(ops: array[Op, NimNode]): array[Op, NimNode] {.compileTime.} =
result = ops
result[ChainID] = newIdentNode "chainID"
result[SelfBalance] = newIdentNode "selfBalance"
let IstanbulOpDispatch {.compileTime.}: array[Op, NimNode] = genIstanbulJumpTable(ConstantinopleOpDispatch)