Added From field to transactions

db/migrations/1510262915_add_from_to_transactions.down.sql

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

db/migrations/1510262915_add_from_to_transactions.up.sql

@@ -0,0 +1,2 @@
+ALTER TABLE transactions
+  ADD COLUMN tx_from VARCHAR(66)

db/schema.sql

@@ -94,7 +94,8 @@ CREATE TABLE transactions (
     tx_gaslimit numeric,
     tx_gasprice numeric,
     tx_value numeric,
-    block_id integer NOT NULL
+    block_id integer NOT NULL,
+    tx_from character varying(66)
 );