gitlab.com/aquachain/aquachain@v1.17.16-rc3.0.20221018032414-e3ddf1e1c055/params/protocol_params.go (about) 1 // Copyright 2018 The aquachain Authors 2 // This file is part of the aquachain library. 3 // 4 // The aquachain library is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU Lesser General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // The aquachain library is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU Lesser General Public License for more details. 13 // 14 // You should have received a copy of the GNU Lesser General Public License 15 // along with the aquachain library. If not, see <http://www.gnu.org/licenses/>. 16 17 package params 18 19 import "math/big" 20 21 var ( 22 MaxMoney = big.NewInt(42000000) // At block 42mil rewards will be fees-only 23 BlockReward *big.Int = big.NewInt(1e+18) // Block reward in wei for successfully mining a block 24 EthBlockReward *big.Int = big.NewInt(5e+18) // Block reward in wei for successfully mining a block 25 EthBlockReward2 *big.Int = big.NewInt(3e+18) // Block reward in wei for successfully mining a block 26 ) 27 28 var ( 29 TargetGasLimit uint64 = GenesisGasLimit // The artificial gas limit target 30 ) 31 32 const ( 33 GasLimitBoundDivisor uint64 = 1024 // The bound divisor of the gas limit, used in update calculations. 34 MinGasLimit uint64 = 5000 // Minimum the gas limit may ever be. 35 GenesisGasLimit uint64 = 4712388 // Gas limit of the Genesis block. 36 37 MaximumExtraDataSize uint64 = 32 // Maximum size extra data may be after Genesis. 38 ExpByteGas uint64 = 10 // Times ceil(log256(exponent)) for the EXP instruction. 39 SloadGas uint64 = 50 // Multiplied by the number of 32-byte words that are copied (round up) for any *COPY operation and added. 40 CallValueTransferGas uint64 = 9000 // Paid for CALL when the value transfer is non-zero. 41 CallNewAccountGas uint64 = 25000 // Paid for CALL when the destination address didn't exist prior. 42 TxGas uint64 = 21000 // Per transaction not creating a contract. NOTE: Not payable on data of calls between transactions. 43 TxGasContractCreation uint64 = 53000 // Per transaction that creates a contract. NOTE: Not payable on data of calls between transactions. 44 TxDataZeroGas uint64 = 4 // Per byte of data attached to a transaction that equals zero. NOTE: Not payable on data of calls between transactions. 45 QuadCoeffDiv uint64 = 512 // Divisor for the quadratic particle of the memory cost equation. 46 SstoreSetGas uint64 = 20000 // Once per SLOAD operation. 47 LogDataGas uint64 = 8 // Per byte in a LOG* operation's data. 48 CallStipend uint64 = 2300 // Free gas given at beginning of call. 49 50 Sha3Gas uint64 = 30 // Once per SHA3 operation. 51 Sha3WordGas uint64 = 6 // Once per word of the SHA3 operation's data. 52 SstoreResetGas uint64 = 5000 // Once per SSTORE operation if the zeroness changes from zero. 53 SstoreClearGas uint64 = 5000 // Once per SSTORE operation if the zeroness doesn't change. 54 SstoreRefundGas uint64 = 15000 // Once per SSTORE operation if the zeroness changes to zero. 55 JumpdestGas uint64 = 1 // Refunded gas, once per SSTORE operation if the zeroness changes to zero. 56 EpochDuration uint64 = 30000 // Duration between proof-of-work epochs. 57 CallGas uint64 = 40 // Once per CALL operation & message call transaction. 58 CreateDataGas uint64 = 200 // 59 CallCreateDepth uint64 = 1024 // Maximum depth of call/create stack. 60 ExpGas uint64 = 10 // Once per EXP instruction 61 LogGas uint64 = 375 // Per LOG* operation. 62 CopyGas uint64 = 3 // 63 StackLimit uint64 = 1024 // Maximum size of VM stack allowed. 64 TierStepGas uint64 = 0 // Once per operation, for a selection of them. 65 LogTopicGas uint64 = 375 // Multiplied by the * of the LOG*, per LOG transaction. e.g. LOG0 incurs 0 * c_txLogTopicGas, LOG4 incurs 4 * c_txLogTopicGas. 66 CreateGas uint64 = 32000 // Once per CREATE operation & contract-creation transaction. 67 SuicideRefundGas uint64 = 24000 // Refunded following a suicide operation. 68 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. 69 TxDataNonZeroGas 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. 70 71 MaxCodeSize = 24576 // Maximum bytecode to permit for a contract 72 73 // Precompiled contract gas prices 74 75 EcrecoverGas uint64 = 3000 // Elliptic curve sender recovery gas price 76 Sha256BaseGas uint64 = 60 // Base price for a SHA256 operation 77 Sha256PerWordGas uint64 = 12 // Per-word price for a SHA256 operation 78 Ripemd160BaseGas uint64 = 600 // Base price for a RIPEMD160 operation 79 Ripemd160PerWordGas uint64 = 120 // Per-word price for a RIPEMD160 operation 80 IdentityBaseGas uint64 = 15 // Base price for a data copy operation 81 IdentityPerWordGas uint64 = 3 // Per-work price for a data copy operation 82 ModExpQuadCoeffDiv uint64 = 20 // Divisor for the quadratic particle of the big int modular exponentiation 83 Bn256AddGas uint64 = 500 // Gas needed for an elliptic curve addition 84 Bn256ScalarMulGas uint64 = 40000 // Gas needed for an elliptic curve scalar multiplication 85 Bn256PairingBaseGas uint64 = 100000 // Base price for an elliptic curve pairing check 86 Bn256PairingPerPointGas uint64 = 80000 // Per-point price for an elliptic curve pairing check 87 ) 88 89 var ( 90 GenesisDifficultyEth = big.NewInt(131072) // Difficulty of the Ethereum Genesis block. 91 MinimumDifficultyEth = big.NewInt(131072) // The minimum that the Ethereum difficulty may ever be 92 ) 93 94 var ( 95 GenesisDifficulty = big.NewInt(99999999) // Difficulty of the Genesis block. 96 MinimumDifficultyGenesis = big.NewInt(99999999) // The minimum that the difficulty may ever be 97 MinimumDifficultyHF1 = big.NewInt(100001792) // The minimum that the difficulty may ever be (changed to a nice multiple of 2048). 98 MinimumDifficultyHF3 = big.NewInt(3095918580 * 10) // GPU Announcement 99 MinimumDifficultyHF8Testnet = big.NewInt(64) // Argon2id Announcement 100 MinimumDifficultyHF5Testnet = big.NewInt(4096) // Argon2id Announcement 101 MinimumDifficultyHF5 = big.NewInt(46039386) // Argon2id Announcement 102 MinimumDifficultyTestnet = big.NewInt(4096) // Argon2id Testnet 103 ) 104 105 var ( 106 DifficultyBoundDivisor = big.NewInt(2048) // The bound divisor of the difficulty, used in the update calculations. 107 DifficultyBoundDivisorHF5 = big.NewInt(16) // The bound divisor of the difficulty, used in the update calculations. 108 DifficultyBoundDivisorHF6 = big.NewInt(128) // The bound divisor of the difficulty, used in the update calculations. 109 DifficultyBoundDivisorHF8 = big.NewInt(1024) // The bound divisor of the difficulty, used in the update calculations. 110 DifficultyBoundDivisorHF8Testnet = big.NewInt(8) // The bound divisor of the difficulty, used in the update calculations. 111 DifficultyBoundDivisorHF9 = big.NewInt(2048) // The bound divisor of the difficulty, used in the update calculations. 112 ) 113 114 var ( 115 DurationLimit = big.NewInt(240) // The decision boundary on the blocktime duration used to determine difficulty direction. 116 DurationLimitHF6 = big.NewInt(180) // DurationLimitHF6 lowers the duration limit, keeping 240 second target 117 118 )