forked from bnb-chain/bsc
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathprotocol_params.go
193 lines (163 loc) · 14 KB
/
protocol_params.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package params
import "math/big"
const (
GasLimitBoundDivisor uint64 = 256 // The bound divisor of the gas limit, used in update calculations.
MinGasLimit uint64 = 5000 // Minimum the gas limit may ever be.
MaxGasLimit uint64 = 0x7fffffffffffffff // Maximum the gas limit (2^63-1).
GenesisGasLimit uint64 = 4712388 // Gas limit of the Genesis block.
MaximumExtraDataSize uint64 = 32 // Maximum size extra data may be after Genesis.
ForkIDSize uint64 = 4 // The length of fork id
ExpByteGas uint64 = 10 // Times ceil(log256(exponent)) for the EXP instruction.
SloadGas uint64 = 50 // Multiplied by the number of 32-byte words that are copied (round up) for any *COPY operation and added.
CallValueTransferGas uint64 = 9000 // Paid for CALL when the value transfer is non-zero.
CallNewAccountGas uint64 = 25000 // Paid for CALL when the destination address didn't exist prior.
TxGas uint64 = 21000 // Per transaction not creating a contract. NOTE: Not payable on data of calls between transactions.
SystemTxsGas uint64 = 5000000 // The gas reserved for system txs; only for parlia consensus
TxGasContractCreation uint64 = 53000 // Per transaction that creates a contract. NOTE: Not payable on data of calls between transactions.
TxDataZeroGas uint64 = 4 // Per byte of data attached to a transaction that equals zero. NOTE: Not payable on data of calls between transactions.
QuadCoeffDiv uint64 = 512 // Divisor for the quadratic particle of the memory cost equation.
LogDataGas uint64 = 8 // Per byte in a LOG* operation's data.
CallStipend uint64 = 2300 // Free gas given at beginning of call.
Keccak256Gas uint64 = 30 // Once per KECCAK256 operation.
Keccak256WordGas uint64 = 6 // Once per word of the KECCAK256 operation's data.
InitCodeWordGas uint64 = 2 // Once per word of the init code when creating a contract.
SstoreSetGas uint64 = 20000 // Once per SSTORE operation.
SstoreResetGas uint64 = 5000 // Once per SSTORE operation if the zeroness changes from zero.
SstoreClearGas uint64 = 5000 // Once per SSTORE operation if the zeroness doesn't change.
SstoreRefundGas uint64 = 15000 // Once per SSTORE operation if the zeroness changes to zero.
NetSstoreNoopGas uint64 = 200 // Once per SSTORE operation if the value doesn't change.
NetSstoreInitGas uint64 = 20000 // Once per SSTORE operation from clean zero.
NetSstoreCleanGas uint64 = 5000 // Once per SSTORE operation from clean non-zero.
NetSstoreDirtyGas uint64 = 200 // Once per SSTORE operation from dirty.
NetSstoreClearRefund uint64 = 15000 // Once per SSTORE operation for clearing an originally existing storage slot
NetSstoreResetRefund uint64 = 4800 // Once per SSTORE operation for resetting to the original non-zero value
NetSstoreResetClearRefund uint64 = 19800 // Once per SSTORE operation for resetting to the original zero value
SstoreSentryGasEIP2200 uint64 = 2300 // Minimum gas required to be present for an SSTORE call, not consumed
SstoreSetGasEIP2200 uint64 = 20000 // Once per SSTORE operation from clean zero to non-zero
SstoreResetGasEIP2200 uint64 = 5000 // Once per SSTORE operation from clean non-zero to something else
SstoreClearsScheduleRefundEIP2200 uint64 = 15000 // Once per SSTORE operation for clearing an originally existing storage slot
ColdAccountAccessCostEIP2929 = uint64(2600) // COLD_ACCOUNT_ACCESS_COST
ColdSloadCostEIP2929 = uint64(2100) // COLD_SLOAD_COST
WarmStorageReadCostEIP2929 = uint64(100) // WARM_STORAGE_READ_COST
// In EIP-2200: SstoreResetGas was 5000.
// In EIP-2929: SstoreResetGas was changed to '5000 - COLD_SLOAD_COST'.
// In EIP-3529: SSTORE_CLEARS_SCHEDULE is defined as SSTORE_RESET_GAS + ACCESS_LIST_STORAGE_KEY_COST
// Which becomes: 5000 - 2100 + 1900 = 4800
SstoreClearsScheduleRefundEIP3529 uint64 = SstoreResetGasEIP2200 - ColdSloadCostEIP2929 + TxAccessListStorageKeyGas
JumpdestGas uint64 = 1 // Once per JUMPDEST operation.
EpochDuration uint64 = 30000 // Duration between proof-of-work epochs.
CreateDataGas uint64 = 200 //
CallCreateDepth uint64 = 1024 // Maximum depth of call/create stack.
ExpGas uint64 = 10 // Once per EXP instruction
LogGas uint64 = 375 // Per LOG* operation.
CopyGas uint64 = 3 //
StackLimit uint64 = 1024 // Maximum size of VM stack allowed.
TierStepGas uint64 = 0 // Once per operation, for a selection of them.
LogTopicGas uint64 = 375 // Multiplied by the * of the LOG*, per LOG transaction. e.g. LOG0 incurs 0 * c_txLogTopicGas, LOG4 incurs 4 * c_txLogTopicGas.
CreateGas uint64 = 32000 // Once per CREATE operation & contract-creation transaction.
Create2Gas uint64 = 32000 // Once per CREATE2 operation
SelfdestructRefundGas uint64 = 24000 // Refunded following a selfdestruct operation.
MemoryGas uint64 = 3 // Times the address of the (highest referenced byte in memory + 1). NOTE: referencing happens on read, write and in instructions such as RETURN and CALL.
TxDataNonZeroGasFrontier uint64 = 68 // Per byte of data attached to a transaction that is not equal to zero. NOTE: Not payable on data of calls between transactions.
TxDataNonZeroGasEIP2028 uint64 = 16 // Per byte of non zero data attached to a transaction after EIP 2028 (part in Istanbul)
TxAccessListAddressGas uint64 = 2400 // Per address specified in EIP 2930 access list
TxAccessListStorageKeyGas uint64 = 1900 // Per storage key specified in EIP 2930 access list
// These have been changed during the course of the chain
CallGasFrontier uint64 = 40 // Once per CALL operation & message call transaction.
CallGasEIP150 uint64 = 700 // Static portion of gas for CALL-derivates after EIP 150 (Tangerine)
BalanceGasFrontier uint64 = 20 // The cost of a BALANCE operation
BalanceGasEIP150 uint64 = 400 // The cost of a BALANCE operation after Tangerine
BalanceGasEIP1884 uint64 = 700 // The cost of a BALANCE operation after EIP 1884 (part of Istanbul)
ExtcodeSizeGasFrontier uint64 = 20 // Cost of EXTCODESIZE before EIP 150 (Tangerine)
ExtcodeSizeGasEIP150 uint64 = 700 // Cost of EXTCODESIZE after EIP 150 (Tangerine)
SloadGasFrontier uint64 = 50
SloadGasEIP150 uint64 = 200
SloadGasEIP1884 uint64 = 800 // Cost of SLOAD after EIP 1884 (part of Istanbul)
SloadGasEIP2200 uint64 = 800 // Cost of SLOAD after EIP 2200 (part of Istanbul)
ExtcodeHashGasConstantinople uint64 = 400 // Cost of EXTCODEHASH (introduced in Constantinople)
ExtcodeHashGasEIP1884 uint64 = 700 // Cost of EXTCODEHASH after EIP 1884 (part in Istanbul)
SelfdestructGasEIP150 uint64 = 5000 // Cost of SELFDESTRUCT post EIP 150 (Tangerine)
// EXP has a dynamic portion depending on the size of the exponent
ExpByteFrontier uint64 = 10 // was set to 10 in Frontier
ExpByteEIP158 uint64 = 50 // was raised to 50 during Eip158 (Spurious Dragon)
// Extcodecopy has a dynamic AND a static cost. This represents only the
// static portion of the gas. It was changed during EIP 150 (Tangerine)
ExtcodeCopyBaseFrontier uint64 = 20
ExtcodeCopyBaseEIP150 uint64 = 700
// CreateBySelfdestructGas is used when the refunded account is one that does
// not exist. This logic is similar to call.
// Introduced in Tangerine Whistle (Eip 150)
CreateBySelfdestructGas uint64 = 25000
DefaultBaseFeeChangeDenominator = 8 // Bounds the amount the base fee can change between blocks.
DefaultElasticityMultiplier = 2 // Bounds the maximum gas limit an EIP-1559 block may have.
InitialBaseFee = 0 // Initial base fee for EIP-1559 blocks.
MaxCodeSize = 24576 // Maximum bytecode to permit for a contract
MaxInitCodeSize = 2 * MaxCodeSize // Maximum initcode to permit in a creation transaction and create instructions
// Precompiled contract gas prices
TendermintHeaderValidateGas uint64 = 3000 // Gas for validate tendermiint consensus state
IAVLMerkleProofValidateGas uint64 = 3000 // Gas for validate merkle proof
CometBFTLightBlockValidateGas uint64 = 3000 // Gas for validate cometBFT light block
EcrecoverGas uint64 = 3000 // Elliptic curve sender recovery gas price
Sha256BaseGas uint64 = 60 // Base price for a SHA256 operation
Sha256PerWordGas uint64 = 12 // Per-word price for a SHA256 operation
Ripemd160BaseGas uint64 = 600 // Base price for a RIPEMD160 operation
Ripemd160PerWordGas uint64 = 120 // Per-word price for a RIPEMD160 operation
IdentityBaseGas uint64 = 15 // Base price for a data copy operation
IdentityPerWordGas uint64 = 3 // Per-work price for a data copy operation
BlsSignatureVerifyBaseGas uint64 = 1000 // base price for a BLS signature verify operation
BlsSignatureVerifyPerKeyGas uint64 = 3500 // Per-key price for a BLS signature verify operation
Bn256AddGasByzantium uint64 = 500 // Byzantium gas needed for an elliptic curve addition
Bn256AddGasIstanbul uint64 = 150 // Gas needed for an elliptic curve addition
Bn256ScalarMulGasByzantium uint64 = 40000 // Byzantium gas needed for an elliptic curve scalar multiplication
Bn256ScalarMulGasIstanbul uint64 = 6000 // Gas needed for an elliptic curve scalar multiplication
Bn256PairingBaseGasByzantium uint64 = 100000 // Byzantium base price for an elliptic curve pairing check
Bn256PairingBaseGasIstanbul uint64 = 45000 // Base price for an elliptic curve pairing check
Bn256PairingPerPointGasByzantium uint64 = 80000 // Byzantium per-point price for an elliptic curve pairing check
Bn256PairingPerPointGasIstanbul uint64 = 34000 // Per-point price for an elliptic curve pairing check
Bls12381G1AddGas uint64 = 600 // Price for BLS12-381 elliptic curve G1 point addition
Bls12381G1MulGas uint64 = 12000 // Price for BLS12-381 elliptic curve G1 point scalar multiplication
Bls12381G2AddGas uint64 = 4500 // Price for BLS12-381 elliptic curve G2 point addition
Bls12381G2MulGas uint64 = 55000 // Price for BLS12-381 elliptic curve G2 point scalar multiplication
Bls12381PairingBaseGas uint64 = 115000 // Base gas price for BLS12-381 elliptic curve pairing check
Bls12381PairingPerPairGas uint64 = 23000 // Per-point pair gas price for BLS12-381 elliptic curve pairing check
Bls12381MapG1Gas uint64 = 5500 // Gas price for BLS12-381 mapping field element to G1 operation
Bls12381MapG2Gas uint64 = 110000 // Gas price for BLS12-381 mapping field element to G2 operation
// The Refund Quotient is the cap on how much of the used gas can be refunded. Before EIP-3529,
// up to half the consumed gas could be refunded. Redefined as 1/5th in EIP-3529
RefundQuotient uint64 = 2
RefundQuotientEIP3529 uint64 = 5
BlobTxBytesPerFieldElement = 32 // Size in bytes of a field element
BlobTxFieldElementsPerBlob = 4096 // Number of field elements stored in a single data blob
BlobTxHashVersion = 0x01 // Version byte of the commitment hash
BlobTxMaxBlobGasPerBlock = 1 << 19 // Maximum consumable blob gas for data blobs per block
BlobTxTargetBlobGasPerBlock = 1 << 18 // Target consumable blob gas for data blobs per block (for 1559-like pricing)
BlobTxBlobGasPerBlob = 1 << 17 // Gas consumption of a single data blob (== blob byte size)
BlobTxMinBlobGasprice = 1 // Minimum gas price for data blobs
BlobTxBlobGaspriceUpdateFraction = 2225652 // Controls the maximum rate of change for blob gas price
BlobTxPointEvaluationPrecompileGas = 50000 // Gas price for the point evaluation precompile.
// used for test
InitialBaseFeeForEthMainnet = int64(1000000000) // Initial base fee for EIP-1559 blocks on Eth hMainnet
)
// Gas discount table for BLS12-381 G1 and G2 multi exponentiation operations
var Bls12381MultiExpDiscountTable = [128]uint64{1200, 888, 764, 641, 594, 547, 500, 453, 438, 423, 408, 394, 379, 364, 349, 334, 330, 326, 322, 318, 314, 310, 306, 302, 298, 294, 289, 285, 281, 277, 273, 269, 268, 266, 265, 263, 262, 260, 259, 257, 256, 254, 253, 251, 250, 248, 247, 245, 244, 242, 241, 239, 238, 236, 235, 233, 232, 231, 229, 228, 226, 225, 223, 222, 221, 220, 219, 219, 218, 217, 216, 216, 215, 214, 213, 213, 212, 211, 211, 210, 209, 208, 208, 207, 206, 205, 205, 204, 203, 202, 202, 201, 200, 199, 199, 198, 197, 196, 196, 195, 194, 193, 193, 192, 191, 191, 190, 189, 188, 188, 187, 186, 185, 185, 184, 183, 182, 182, 181, 180, 179, 179, 178, 177, 176, 176, 175, 174}
var (
DifficultyBoundDivisor = big.NewInt(2048) // The bound divisor of the difficulty, used in the update calculations.
GenesisDifficulty = big.NewInt(131072) // Difficulty of the Genesis block.
MinimumDifficulty = big.NewInt(131072) // The minimum that the difficulty may ever be.
DurationLimit = big.NewInt(13) // The decision boundary on the blocktime duration used to determine whether difficulty should go up or not.
)