code: func (odr *LesOdr) SetIndexers(chtIndexer, bloomTrieIndexer, bloomIndexer *core.ChainIndexer) {
  	odr.chtIndexer = chtIndexer
  	odr.bloomTrieIndexer = bloomTrieIndexer
  	odr.bloomIndexer = bloomIndexer
  }
docs: // SetIndexers adds the necessary chain indexers to the ODR backend