/*
   Copyright 2021 The Erigon contributors

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/

package fixedgas

const (
	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.
	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

	MaxCodeSize = 24576 // Maximum bytecode to permit for a contract

	// EIP-3860 to limit size of initcode
	MaxInitCodeSize = 2 * MaxCodeSize // Maximum initcode to permit in a creation transaction and create instructions
	InitCodeWordGas = 2

	// EIP-4844: Shard Blob Transactions
	FieldElementsPerBlob           = 4096 // each field element is 32 bytes
	BlobSize                       = FieldElementsPerBlob * 32
	BlobGasPerBlob          uint64 = 0x20000
	DefaultMaxBlobsPerBlock uint64 = 6 // lower for Gnosis
)