105 lines
2.9 KiB
Go
105 lines
2.9 KiB
Go
|
package ethclient
|
||
|
|
|
||
|
|
import (
|
||
|
|
"context"
|
||
|
|
"math/big"
|
||
|
|
|
||
|
|
ethereum "github.com/ethereum/go-ethereum"
|
||
|
|
"github.com/ethereum/go-ethereum/accounts/abi/bind"
|
||
|
|
"github.com/ethereum/go-ethereum/common"
|
||
|
|
"github.com/ethereum/go-ethereum/core/types"
|
||
|
|
"github.com/ethereum/go-ethereum/ethclient"
|
||
|
|
"github.com/ethereum/go-ethereum/rpc"
|
||
|
|
)
|
||
|
|
|
||
|
|
type ChainReader interface {
|
||
|
|
BlockByHash(ctx context.Context, hash common.Hash) (*types.Block, error)
|
||
|
|
BlockByNumber(ctx context.Context, number *big.Int) (*types.Block, error)
|
||
|
|
HeaderByHash(ctx context.Context, hash common.Hash) (*types.Header, error)
|
||
|
|
HeaderByNumber(ctx context.Context, number *big.Int) (*types.Header, error)
|
||
|
|
}
|
||
|
|
|
||
|
|
type CallClient interface {
|
||
|
|
CallContext(ctx context.Context, result interface{}, method string, args ...interface{}) error
|
||
|
|
}
|
||
|
|
|
||
|
|
type BatchCallClient interface {
|
||
|
|
BatchCallContext(ctx context.Context, b []rpc.BatchElem) error
|
||
|
|
}
|
||
|
|
|
||
|
|
// Interface for rpc.Client
|
||
|
|
type RPCClientInterface interface {
|
||
|
|
CallClient
|
||
|
|
BatchCallClient
|
||
|
|
}
|
||
|
|
|
||
|
|
// Interface for ethclient.Client
|
||
|
|
type BaseEthClientInterface interface {
|
||
|
|
// External calls
|
||
|
|
ChainReader
|
||
|
|
ethereum.TransactionReader
|
||
|
|
ethereum.ChainStateReader
|
||
|
|
ethereum.ChainSyncReader
|
||
|
|
ethereum.ContractCaller
|
||
|
|
ethereum.LogFilterer
|
||
|
|
ethereum.TransactionSender
|
||
|
|
ethereum.GasPricer
|
||
|
|
ethereum.PendingStateReader
|
||
|
|
ethereum.PendingContractCaller
|
||
|
|
ethereum.GasEstimator
|
||
|
|
FeeHistory(ctx context.Context, blockCount uint64, lastBlock *big.Int, rewardPercentiles []float64) (*ethereum.FeeHistory, error)
|
||
|
|
BlockNumber(ctx context.Context) (uint64, error)
|
||
|
|
TransactionSender(ctx context.Context, tx *types.Transaction, block common.Hash, index uint) (common.Address, error)
|
||
|
|
// Internal calls
|
||
|
|
Close()
|
||
|
|
}
|
||
|
|
|
||
|
|
// EthClientInterface extends BaseEthClientInterface with additional capabilities
|
||
|
|
type EthClientInterface interface {
|
||
|
|
BaseEthClientInterface
|
||
|
|
// Additional external calls
|
||
|
|
RPCClientInterface
|
||
|
|
GetBaseFeeFromBlock(ctx context.Context, blockNumber *big.Int) (string, error)
|
||
|
|
bind.ContractCaller
|
||
|
|
bind.ContractBackend
|
||
|
|
}
|
||
|
|
|
||
|
|
// EthClient implements EthClientInterface
|
||
|
|
type EthClient struct {
|
||
|
|
*ethclient.Client
|
||
|
|
rpcClient *rpc.Client
|
||
|
|
}
|
||
|
|
|
||
|
|
func NewEthClient(rpcClient *rpc.Client) *EthClient {
|
||
|
|
return &EthClient{
|
||
|
|
Client: ethclient.NewClient(rpcClient),
|
||
|
|
rpcClient: rpcClient,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (ec *EthClient) BatchCallContext(ctx context.Context, b []rpc.BatchElem) error {
|
||
|
|
return ec.rpcClient.BatchCallContext(ctx, b)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (ec *EthClient) GetBaseFeeFromBlock(ctx context.Context, blockNumber *big.Int) (string, error) {
|
||
|
|
feeHistory, err := ec.FeeHistory(ctx, 1, blockNumber, nil)
|
||
|
|
|
||
|
|
if err != nil {
|
||
|
|
if err.Error() == "the method eth_feeHistory does not exist/is not available" {
|
||
|
|
return "", nil
|
||
|
|
}
|
||
|
|
return "", err
|
||
|
|
}
|
||
|
|
|
||
|
|
var baseGasFee string = ""
|
||
|
|
if len(feeHistory.BaseFee) > 0 {
|
||
|
|
baseGasFee = feeHistory.BaseFee[0].String()
|
||
|
|
}
|
||
|
|
|
||
|
|
return baseGasFee, err
|
||
|
|
}
|
||
|
|
|
||
|
|
func (ec *EthClient) CallContext(ctx context.Context, result interface{}, method string, args ...interface{}) error {
|
||
|
|
return ec.rpcClient.CallContext(ctx, result, method, args...)
|
||
|
|
}
|