ipld-eth-server/pkg/core/blockchain.go
2019-01-08 16:53:26 -06:00

23 lines
722 B
Go

package core
import (
"github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/core/types"
"math/big"
)
type BlockChain interface {
ContractDataFetcher
GetBlockByNumber(blockNumber int64) (Block, error)
GetHeaderByNumber(blockNumber int64) (Header, error)
GetHeaderByNumbers(blockNumbers []int64) ([]Header, error)
GetLogs(contract Contract, startingBlockNumber *big.Int, endingBlockNumber *big.Int) ([]Log, error)
GetEthLogsWithCustomQuery(query ethereum.FilterQuery) ([]types.Log, error)
LastBlock() *big.Int
Node() Node
}
type ContractDataFetcher interface {
FetchContractData(abiJSON string, address string, method string, methodArg interface{}, result interface{}, blockNumber int64) error
}