eth, graphql, internal/ethapi, les: polish and improve graphql (#19886)

Author: rjl493456442

eth/api_backend.go

@@ -89,6 +89,10 @@ func (b *EthAPIBackend) BlockByNumber(ctx context.Context, number rpc.BlockNumbe
 	return b.eth.blockchain.GetBlockByNumber(uint64(number)), nil
 }
 
+func (b *EthAPIBackend) BlockByHash(ctx context.Context, hash common.Hash) (*types.Block, error) {
+	return b.eth.blockchain.GetBlockByHash(hash), nil
+}
+
 func (b *EthAPIBackend) StateAndHeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*state.StateDB, *types.Header, error) {
 	// Pending state is only known by the miner
 	if number == rpc.PendingBlockNumber {
@@ -107,14 +111,6 @@ func (b *EthAPIBackend) StateAndHeaderByNumber(ctx context.Context, number rpc.B
 	return stateDb, header, err
 }
 
-func (b *EthAPIBackend) GetHeader(ctx context.Context, hash common.Hash) *types.Header {
-	return b.eth.blockchain.GetHeaderByHash(hash)
-}
-
-func (b *EthAPIBackend) GetBlock(ctx context.Context, hash common.Hash) (*types.Block, error) {
-	return b.eth.blockchain.GetBlockByHash(hash), nil
-}
-
 func (b *EthAPIBackend) GetReceipts(ctx context.Context, hash common.Hash) (types.Receipts, error) {
 	return b.eth.blockchain.GetReceiptsByHash(hash), nil
 }