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// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// 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.
//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package params
import "math/big"
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const (
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GasLimitBoundDivisor uint64 = 1024 // 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.
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MaximumExtraDataSize uint64 = 32 // Maximum size extra data may be after Genesis.
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.
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.
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Keccak256Gas uint64 = 30 // Once per KECCAK256 operation.
Keccak256WordGas uint64 = 6 // Once per word of the KECCAK256 operation's data.
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InitCodeWordGas uint64 = 2 // Once per word of the init code when creating a contract.
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SstoreSetGas uint64 = 20000 // Once per SSTORE operation.
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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
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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
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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
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JumpdestGas uint64 = 1 // Once per JUMPDEST operation.
EpochDuration uint64 = 30000 // Duration between proof-of-work epochs.
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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
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// These have been changed during the course of the chain
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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)
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SloadGasEIP2200 uint64 = 800 // Cost of SLOAD after EIP 2200 (part of Istanbul)
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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)
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// 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
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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 = 1000000000 // Initial base fee for EIP-1559 blocks.
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MaxCodeSize = 24576 // Maximum bytecode to permit for a contract
MaxInitCodeSize = 2 * MaxCodeSize // Maximum initcode to permit in a creation transaction and create instructions
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// Precompiled contract gas prices
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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
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
core/vm, crypto/bls12381, params: add bls12-381 elliptic curve precompiles (#21018)
* crypto: add bls12-381 elliptic curve wrapper
* params: add bls12-381 precompile gas parameters
* core/vm: add bls12-381 precompiles
* core/vm: add bls12-381 precompile tests
* go.mod, go.sum: use latest bls12381 lib
* core/vm: move point encode/decode functions to base library
* crypto/bls12381: introduce bls12-381 library init function
* crypto/bls12381: import bls12381 elliptic curve implementation
* go.mod, go.sum: remove bls12-381 library
* remove unsued frobenious coeffs
supress warning for inp that used in asm
* add mappings tests for zero inputs
fix swu g2 minus z inverse constant
* crypto/bls12381: fix typo
* crypto/bls12381: better comments for bls12381 constants
* crypto/bls12381: swu, use single conditional for e2
* crypto/bls12381: utils, delete empty line
* crypto/bls12381: utils, use FromHex for string to big
* crypto/bls12381: g1, g2, strict length check for FromBytes
* crypto/bls12381: field_element, comparision changes
* crypto/bls12381: change swu, isogeny constants with hex values
* core/vm: fix point multiplication comments
* core/vm: fix multiexp gas calculation and lookup for g1 and g2
* core/vm: simpler imput length check for multiexp and pairing precompiles
* core/vm: rm empty multiexp result declarations
* crypto/bls12381: remove modulus type definition
* crypto/bls12381: use proper init function
* crypto/bls12381: get rid of new lines at fatal desciprtions
* crypto/bls12-381: fix no-adx assembly multiplication
* crypto/bls12-381: remove old config function
* crypto/bls12381: update multiplication backend
this commit changes mul backend to 6limb eip1962 backend
mul assign operations are dropped
* core/vm/contracts_tests: externalize test vectors for precompiles
* core/vm/contracts_test: externalize failure-cases for precompiles
* core/vm: linting
* go.mod: tiny up sum file
* core/vm: fix goimports linter issues
* crypto/bls12381: build tags for plain ASM or ADX implementation
Co-authored-by: Martin Holst Swende <martin@swende.se>
Co-authored-by: Péter Szilágyi <peterke@gmail.com>
2020-06-03 06:44:32 +00:00
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
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// 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
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BlobTxHashVersion = 0x01 // Version byte of the commitment hash
BlobTxMaxDataGasPerBlock = 1 << 19 // Maximum consumable data gas for data blobs per block
BlobTxTargetDataGasPerBlock = 1 << 18 // Target consumable data gas for data blobs per block (for 1559-like pricing)
BlobTxDataGasPerBlob = 1 << 17 // Gas consumption of a single data blob (== blob byte size)
BlobTxMinDataGasprice = 1 // Minimum gas price for data blobs
BlobTxDataGaspriceUpdateFraction = 2225652 // Controls the maximum rate of change for data gas price
BlobTxPointEvaluationPrecompileGas = 50000 // Gas price for the point evaluation precompile.
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)
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core/vm, crypto/bls12381, params: add bls12-381 elliptic curve precompiles (#21018)
* crypto: add bls12-381 elliptic curve wrapper
* params: add bls12-381 precompile gas parameters
* core/vm: add bls12-381 precompiles
* core/vm: add bls12-381 precompile tests
* go.mod, go.sum: use latest bls12381 lib
* core/vm: move point encode/decode functions to base library
* crypto/bls12381: introduce bls12-381 library init function
* crypto/bls12381: import bls12381 elliptic curve implementation
* go.mod, go.sum: remove bls12-381 library
* remove unsued frobenious coeffs
supress warning for inp that used in asm
* add mappings tests for zero inputs
fix swu g2 minus z inverse constant
* crypto/bls12381: fix typo
* crypto/bls12381: better comments for bls12381 constants
* crypto/bls12381: swu, use single conditional for e2
* crypto/bls12381: utils, delete empty line
* crypto/bls12381: utils, use FromHex for string to big
* crypto/bls12381: g1, g2, strict length check for FromBytes
* crypto/bls12381: field_element, comparision changes
* crypto/bls12381: change swu, isogeny constants with hex values
* core/vm: fix point multiplication comments
* core/vm: fix multiexp gas calculation and lookup for g1 and g2
* core/vm: simpler imput length check for multiexp and pairing precompiles
* core/vm: rm empty multiexp result declarations
* crypto/bls12381: remove modulus type definition
* crypto/bls12381: use proper init function
* crypto/bls12381: get rid of new lines at fatal desciprtions
* crypto/bls12-381: fix no-adx assembly multiplication
* crypto/bls12-381: remove old config function
* crypto/bls12381: update multiplication backend
this commit changes mul backend to 6limb eip1962 backend
mul assign operations are dropped
* core/vm/contracts_tests: externalize test vectors for precompiles
* core/vm/contracts_test: externalize failure-cases for precompiles
* core/vm: linting
* go.mod: tiny up sum file
* core/vm: fix goimports linter issues
* crypto/bls12381: build tags for plain ASM or ADX implementation
Co-authored-by: Martin Holst Swende <martin@swende.se>
Co-authored-by: Péter Szilágyi <peterke@gmail.com>
2020-06-03 06:44:32 +00:00
// 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 }
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var (
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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.
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)