TODO Figure out signatures automatically from config somehow :(.

Get the addresses for multiple contracts from config.

Get the ABI for multiple contracts from config Makes sure the ABI matches for all, since a single transformer may run against many contracts.

Get the minimum deployment block for multiple contracts from config.

Returns all contract config names from transformer configuration: [exporter.vow_file] path = "transformers/events/vow_file/initializer" type = "eth_event" repository = "github.com/vulcanize/mcd_transformers" migrations = "db/migrations" contracts = ["MCD_VOW"] <---- rank = "0" */.

TODO remove after transition to ColumnName.