Add tx fields

db/migrations/1514502281_add_data_input_to_transactions.down.sql

@@ -0,0 +1,2 @@
+ALTER TABLE transactions
+    DROP COLUMN tx_input_data;

db/migrations/1514502281_add_data_input_to_transactions.up.sql

@@ -0,0 +1,2 @@
+ALTER TABLE transactions
+    ADD COLUMN tx_input_data VARCHAR;

db/schema.sql

@@ -168,7 +168,8 @@ CREATE TABLE transactions (
     tx_gasprice numeric,
     tx_value numeric,
     block_id integer NOT NULL,
-    tx_from character varying(66)
+    tx_from character varying(66),
+    tx_input_data character varying
 );