Associate saved transactions to their block

migrations/1509460207_add_block_id_to_transactions.down.sql

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

migrations/1509460207_add_block_id_to_transactions.up.sql

@@ -0,0 +1,5 @@
+ALTER TABLE transactions
+  ADD COLUMN block_id INTEGER NOT NULL,
+  ADD CONSTRAINT fk_test
+  FOREIGN KEY (block_id)
+  REFERENCES blocks (id)

migrations/schema.sql

@@ -87,7 +87,8 @@ CREATE TABLE transactions (
     tx_to character varying(66),
     tx_gaslimit numeric,
     tx_gasprice numeric,
-    tx_value numeric
+    tx_value numeric,
+    block_id integer NOT NULL
 );
 
 
@@ -148,6 +149,15 @@ ALTER TABLE ONLY transactions
     ADD CONSTRAINT transactions_pkey PRIMARY KEY (id);
 
 
+--
+-- Name: transactions fk_test; Type: FK CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY transactions
+    ADD CONSTRAINT fk_test FOREIGN KEY (block_id) REFERENCES blocks(id);
+
+
 --
 -- PostgreSQL database dump complete
 --
+