github.com/ethereum/go-ethereum@v1.16.1/params/verkle_params.go (about)

     1  // Copyright 2023 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum 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 go-ethereum 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 go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package params
    18  
    19  // Verkle tree EIP: costs associated to witness accesses
    20  var (
    21  	WitnessBranchReadCost  uint64 = 1900
    22  	WitnessChunkReadCost   uint64 = 200
    23  	WitnessBranchWriteCost uint64 = 3000
    24  	WitnessChunkWriteCost  uint64 = 500
    25  	WitnessChunkFillCost   uint64 = 6200
    26  )
    27  
    28  // ClearVerkleWitnessCosts sets all witness costs to 0, which is necessary
    29  // for historical block replay simulations.
    30  func ClearVerkleWitnessCosts() {
    31  	WitnessBranchReadCost = 0
    32  	WitnessChunkReadCost = 0
    33  	WitnessBranchWriteCost = 0
    34  	WitnessChunkWriteCost = 0
    35  	WitnessChunkFillCost = 0
    36  }