moving some memory allocation to init function rather than within

execution cycles and fixing test db tear down so that it drops
checked_headers table instead of individual columns (droping columns
only hides them, they remain in memory and continue to contribute to the
1600 column limit which causes us to eventually exceed it)

pkg/omni/shared/contract/contract.go

@@ -81,7 +81,7 @@ func (c *Contract) GenerateFilters() error {
 			Name:      event.Name,
 			FromBlock: c.StartingBlock,
 			ToBlock:   -1,
-			Address:   c.Address,
+			Address:   common.HexToAddress(c.Address).Hex(),
 			Topics:    core.Topics{event.Sig().Hex()},
 		}
 	}

pkg/omni/shared/helpers/test_helpers/database.go

@@ -260,37 +260,10 @@ func TearDown(db *postgres.DB) {
 	_, err = tx.Exec(`DELETE FROM receipts`)
 	Expect(err).NotTo(HaveOccurred())
 
-	_, err = tx.Exec(`ALTER TABLE public.checked_headers DROP COLUMN IF EXISTS eventName_contractAddr`)
+	_, err = tx.Exec(`DROP TABLE public.checked_headers`)
 	Expect(err).NotTo(HaveOccurred())
 
-	_, err = tx.Exec(`ALTER TABLE public.checked_headers DROP COLUMN IF EXISTS eventName_contractAddr2`)
-	Expect(err).NotTo(HaveOccurred())
-
-	_, err = tx.Exec(`ALTER TABLE public.checked_headers DROP COLUMN IF EXISTS eventName_contractAddr3`)
-	Expect(err).NotTo(HaveOccurred())
-
-	_, err = tx.Exec(`ALTER TABLE public.checked_headers DROP COLUMN IF EXISTS methodname_contractaddr`)
-	Expect(err).NotTo(HaveOccurred())
-
-	_, err = tx.Exec(`ALTER TABLE public.checked_headers DROP COLUMN IF EXISTS methodname_contractaddr2`)
-	Expect(err).NotTo(HaveOccurred())
-
-	_, err = tx.Exec(`ALTER TABLE public.checked_headers DROP COLUMN IF EXISTS methodname_contractaddr3`)
-	Expect(err).NotTo(HaveOccurred())
-
-	_, err = tx.Exec(`ALTER TABLE public.checked_headers DROP COLUMN IF EXISTS transfer_0x8dd5fbce2f6a956c3022ba3663759011dd51e73e`)
-	Expect(err).NotTo(HaveOccurred())
-
-	_, err = tx.Exec(`ALTER TABLE public.checked_headers DROP COLUMN IF EXISTS balanceof_0x8dd5fbce2f6a956c3022ba3663759011dd51e73e`)
-	Expect(err).NotTo(HaveOccurred())
-
-	_, err = tx.Exec(`ALTER TABLE public.checked_headers DROP COLUMN IF EXISTS newowner_0x314159265dd8dbb310642f98f50c066173c1259b`)
-	Expect(err).NotTo(HaveOccurred())
-
-	_, err = tx.Exec(`ALTER TABLE public.checked_headers DROP COLUMN IF EXISTS owner_0x8dd5fbce2f6a956c3022ba3663759011dd51e73e`)
-	Expect(err).NotTo(HaveOccurred())
-
-	_, err = tx.Exec(`ALTER TABLE public.checked_headers DROP COLUMN IF EXISTS owner_0x314159265dd8dbb310642f98f50c066173c1259b`)
+	_, err = tx.Exec(`CREATE TABLE public.checked_headers (id SERIAL PRIMARY KEY, header_id INTEGER UNIQUE NOT NULL REFERENCES headers (id) ON DELETE CASCADE);`)
 	Expect(err).NotTo(HaveOccurred())
 
 	_, err = tx.Exec(`DROP SCHEMA IF EXISTS full_0x8dd5fbce2f6a956c3022ba3663759011dd51e73e CASCADE`)

pkg/omni/shared/parser/parser.go

@@ -93,7 +93,7 @@ func (p *parser) lookUp(contractAddr string) (string, error) {
 
 // Returns only specified methods, if they meet the criteria
 // Returns as array with methods in same order they were specified
-// Nil wanted array => no events are returned
+// Nil or empty wanted array => no events are returned
 func (p *parser) GetSelectMethods(wanted []string) []types.Method {
 	wLen := len(wanted)
 	if wLen == 0 {

pkg/omni/shared/repository/event_repository.go

@@ -193,7 +193,6 @@ func (r *eventRepository) persistFullSyncLogs(logs []types.Log, eventInfo types.
 // Returns true if it created a new table; returns false if table already existed
 func (r *eventRepository) CreateEventTable(contractAddr string, event types.Event) (bool, error) {
 	tableID := fmt.Sprintf("%s_%s.%s_event", r.mode.String(), strings.ToLower(contractAddr), strings.ToLower(event.Name))
-
 	// Check cache before querying pq to see if table exists
 	_, ok := r.tables.Get(tableID)
 	if ok {

pkg/omni/shared/transformer/interface.go

@@ -23,7 +23,7 @@ type Transformer interface {
 	SetEventArgs(contractAddr string, filterSet []string)
 	SetMethods(contractAddr string, filterSet []string)
 	SetMethodArgs(contractAddr string, filterSet []string)
-	SetRange(contractAddr string, rng [2]int64)
+	SetStartingBlock(contractAddr string, start int64)
 	SetCreateAddrList(contractAddr string, on bool)
 	SetCreateHashList(contractAddr string, on bool)
 	SetPiping(contractAddr string, on bool)