/
rpc.go
68 lines (59 loc) · 1.9 KB
/
rpc.go
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package etherclient
import (
"context"
"math/big"
ethereum "github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethclient"
)
func GetBalance(client ethclient.Client, address string) (*big.Int, error) {
account := common.HexToAddress(address)
balance, err := client.BalanceAt(context.Background(), account, nil)
if err != nil {
return big.NewInt(0), err
}
return balance, nil
}
func GetBlockByNum(client ethclient.Client, blockNum int64) (types.Block, error) {
block, err := client.BlockByNumber(context.Background(), big.NewInt(blockNum))
if err != nil {
return types.Block{}, err
}
return *block, nil
}
func GetBlockNumber(client ethclient.Client) (int64, error) {
blockNumHeader, err := client.HeaderByNumber(context.Background(), nil)
if err != nil {
return int64(0), err
}
return blockNumHeader.Number.Int64(), nil
}
func Call(client ethclient.Client, callTx ethereum.CallMsg) ([]byte, error) {
ethCallResult, err := client.CallContract(context.Background(), callTx, nil)
if err != nil {
return []byte(""), err
}
return ethCallResult, nil
}
func GetTransactionReceipt(client ethclient.Client, txHash string) (*types.Receipt, error) {
txReceipt, err := client.TransactionReceipt(context.Background(), common.HexToHash(txHash))
if err != nil {
return nil, err
}
return txReceipt, nil
}
func GetTransactionByHash(client ethclient.Client, txHash string) (*types.Transaction, bool, error) {
txObj, isPending, err := client.TransactionByHash(context.Background(), common.HexToHash(txHash))
if err != nil {
return nil, isPending, err
}
return txObj, isPending, nil
}
func GetLogs(client ethclient.Client, logsFilter ethereum.FilterQuery) ([]types.Log, error) {
logsArr, err := client.FilterLogs(context.Background(), logsFilter)
if err != nil {
return []types.Log{}, err
}
return logsArr, nil
}