message: op-node: Remove BlockIDRange
  This function was not being used and could be safely removed.
diff: @@ -2,7 +2,6 @@ package sources
  import (
  "context"
  - "errors"
  "fmt"
  "github.com/ethereum-optimism/optimism/op-node/client"
  @@ -248,53 +247,6 @@ func (s *EthClient) Fetch(ctx context.Context, blockHash common.Hash) (eth.Block
  return info, txs, r, nil
  }
  -// BlockIDRange returns a range of block IDs from the provided begin up to max blocks after the begin.
  -// This batch-requests all blocks by number in the range at once, and then verifies the consistency
  -func (s *EthClient) BlockIDRange(ctx context.Context, begin eth.BlockID, max uint64) ([]eth.BlockID, error) {
  - headerRequests := make([]rpc.BatchElem, max)
  - for i := uint64(0); i < max; i++ {
  - headerRequests[i] = rpc.BatchElem{
  - Method: "eth_getBlockByNumber",
  - Args: []interface{}{hexutil.EncodeUint64(begin.Number + 1 + i), false},
  - Result: new(*rpcHeader),
  - Error: nil,
  - }
  - }
  - if err := s.client.BatchCallContext(ctx, headerRequests); err != nil {
  - return nil, err
  - }
  -
  - out := make([]eth.BlockID, 0, max)
  -
  - // try to cache everything we have before halting on the results with errors
  - for i := 0; i < len(headerRequests); i++ {
  - result := *headerRequests[i].Result.(**rpcHeader)
  - if headerRequests[i].Error == nil {
  - if result == nil {
  - break // no more headers from here
  - }
  - info, err := result.Info(s.trustRPC, s.mustBePostMerge)
  - if err != nil {
  - return nil, fmt.Errorf("bad header data for block %s: %w", headerRequests[i].Args[0], err)
  - }
  - s.headersCache.Add(info.Hash(), info)
  - out = append(out, info.ID())
  - prev := begin
  - if i > 0 {
  - prev = out[i-1]
  - }
  - if prev.Hash != info.ParentHash() {
  - return nil, fmt.Errorf("inconsistent results from L1 chain range request, block %s not expected parent %s of %s", prev, info.ParentHash(), info.ID())
  - }
  - } else if errors.Is(headerRequests[i].Error, ethereum.NotFound) {
  - break // no more headers from here
  - } else {
  - return nil, fmt.Errorf("failed to retrieve block: %s: %w", headerRequests[i].Args[0], headerRequests[i].Error)
  - }
  - }
  - return out, nil
  -}
  -
  func (s *EthClient) GetProof(ctx context.Context, address common.Address, blockTag string) (*eth.AccountResult, error) {
  var getProofResponse *eth.AccountResult
  err := s.client.CallContext(ctx, &getProofResponse, "eth_getProof", address, []common.Hash{}, blockTag)
  