github.com/0xsequence/ethkit@v1.25.0/ethgas/readers.go (about)

     1  package ethgas
     2  
     3  import (
     4  	"math/big"
     5  
     6  	"github.com/0xsequence/ethkit/ethmonitor"
     7  	"github.com/0xsequence/ethkit/go-ethereum/core/types"
     8  )
     9  
    10  type GasPriceReader func(block *ethmonitor.Block) []*big.Int
    11  
    12  var CustomGasPriceBidReaders = map[uint64]GasPriceReader{}
    13  
    14  var CustomGasPricePaidReaders = map[uint64]GasPriceReader{
    15  	42161:  arbitrumGasPricePaidReader, // arbitrum one
    16  	42170:  arbitrumGasPricePaidReader, // arbitrum nova
    17  	421611: arbitrumGasPricePaidReader, // arbitrum rinkeby
    18  	421613: arbitrumGasPricePaidReader, // arbitrum goerli
    19  	421614: arbitrumGasPricePaidReader, // arbitrum sepolia
    20  	200:    arbitrumGasPricePaidReader, // arbitrum xdai
    21  }
    22  
    23  func DefaultGasPriceBidReader(block *ethmonitor.Block) []*big.Int {
    24  	transactions := block.Transactions()
    25  	prices := make([]*big.Int, 0, len(transactions))
    26  
    27  	for _, transaction := range transactions {
    28  		prices = append(prices, transaction.GasFeeCap())
    29  	}
    30  
    31  	return prices
    32  }
    33  
    34  func DefaultGasPricePaidReader(block *ethmonitor.Block) []*big.Int {
    35  	transactions := block.Transactions()
    36  	prices := make([]*big.Int, 0, len(transactions))
    37  
    38  	for _, transaction := range transactions {
    39  		var price *big.Int
    40  
    41  		switch transaction.Type() {
    42  		case types.LegacyTxType:
    43  			price = transaction.GasPrice()
    44  		case types.AccessListTxType:
    45  			price = transaction.GasPrice()
    46  		case types.DynamicFeeTxType:
    47  			price = new(big.Int).Add(block.BaseFee(), transaction.GasTipCap())
    48  		}
    49  
    50  		prices = append(prices, price)
    51  	}
    52  
    53  	return prices
    54  }
    55  
    56  func arbitrumGasPricePaidReader(block *ethmonitor.Block) []*big.Int {
    57  	transactions := block.Transactions()
    58  	prices := make([]*big.Int, 0, len(transactions))
    59  
    60  	for range transactions {
    61  		prices = append(prices, block.BaseFee())
    62  	}
    63  
    64  	return prices
    65  }