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Merge pull request #150 from status-im/pre-homestead-gas-costs 

Homestead contract creation gas cost
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Yuriy Glukhov 2018-09-18 19:13:38 +03:00 committed by GitHub
parent dd20f4079c 070487d78a
commit 05b4745f2e
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1 changed files with 12 additions and 3 deletions
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15
nimbus/vm/interpreter/gas_costs.nim
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@ -536,7 +536,7 @@ const
GasExp: 10,
GasExpByte: 10, # Changed to 50 in Spurious Dragon (EIP160)
GasMemory: 3,
GasTXCreate: 32000,
GasTXCreate: 0, # Changed to 32000 in Homestead (EIP2)
GasTXDataZero: 4,
GasTXDataNonZero: 68,
GasTransaction: 21000,
@ -551,6 +551,11 @@ const
]
# Create the schedule for each forks
func homesteadGasFees(previous_fees: GasFeeSchedule): GasFeeSchedule =
# https://github.com/ethereum/EIPs/blob/master/EIPS/eip-2.md
result = previous_fees
result[GasTXCreate] = 32000
func tangerineGasFees(previous_fees: GasFeeSchedule): GasFeeSchedule =
# https://github.com/ethereum/EIPs/blob/master/EIPS/eip-150.md
result = previous_fees
@ -565,14 +570,18 @@ func spuriousGasFees(previous_fees: GasFeeSchedule): GasFeeSchedule =
result[GasExpByte] = 50
const
TangerineGasFees = BaseGasFees.tangerineGasFees
HomesteadGasFees = BaseGasFees.homesteadGasFees
TangerineGasFees = HomesteadGasFees.tangerineGasFees
SpuriousGasFees = TangerineGasFees.spuriousGasFees
gasCosts(BaseGasFees, base, BaseGasCosts)
gasCosts(HomesteadGasFees, homestead, HomesteadGasCosts)
gasCosts(TangerineGasFees, tangerine, TangerineGasCosts)
proc forkToSchedule*(fork: Fork): GasCosts =
if fork < FkTangerine:
if fork < FkHomestead:
BaseGasCosts
elif fork < FkTangerine:
HomesteadGasCosts
else:
TangerineGasCosts