Delegate log chunks to respective transformers

pkg/transformers/factories/log_note_transformer.go

@@ -59,3 +59,7 @@ func (transformer LogNoteTransformer) Execute(logs []types.Log, header core.Head
 	}
 	return nil
 }
+
+func (transformer LogNoteTransformer) Name() string {
+	return transformer.Config.TransformerName
+}

pkg/transformers/factories/transformer.go

@@ -66,3 +66,7 @@ func (transformer Transformer) Execute(logs []types.Log, header core.Header) err
 
 	return nil
 }
+
+func (transformer Transformer) Name() string {
+	return transformer.Config.TransformerName
+}

pkg/transformers/shared/repository.go

@@ -26,7 +26,6 @@ func MarkHeaderCheckedInTransaction(headerID int64, tx *sql.Tx, checkedHeadersCo
 }
 
 // Treats a header as missing if it's not in the headers table, or not checked for some log type
-// TODO Revisit definition of "checked header
 func MissingHeaders(startingBlockNumber, endingBlockNumber int64, db *postgres.DB, notCheckedSQL string) ([]core.Header, error) {
 	var result []core.Header
 	var query string

pkg/transformers/shared/transformer.go

@@ -24,6 +24,7 @@ import (
 
 type Transformer interface {
 	Execute(logs []types.Log, header core.Header) error
+	Name() string
 }
 
 type TransformerInitializer func(db *postgres.DB) Transformer