Add receipts (#119)

* Conversion between Geth Receipt and core.Receipt

* Add receipt to DB

* Insert receipts with transactions

* Update Travis CI to use dep for dependencies

db/migrations/1514564898_create_receipts_table.down.sql

@@ -0,0 +1,2 @@
+DROP TABLE receipts;
+

db/migrations/1514564898_create_receipts_table.up.sql

@@ -0,0 +1,16 @@
+CREATE TABLE receipts
+(
+  id                  SERIAL PRIMARY KEY,
+  transaction_id      INTEGER NOT NULL,
+  contract_address    VARCHAR(42),
+  cumulative_gas_used NUMERIC,
+  gas_used            NUMERIC,
+  state_root          VARCHAR(66),
+  status              INTEGER,
+  tx_hash             VARCHAR(66),
+  CONSTRAINT transaction_fk FOREIGN KEY (transaction_id)
+  REFERENCES transactions (id)
+  ON DELETE CASCADE
+);
+
+

db/migrations/1514932205_add_transaction_id_index_to_receipts.down.sql

@@ -0,0 +1 @@
+DROP INDEX transaction_id_index;

db/migrations/1514932205_add_transaction_id_index_to_receipts.up.sql

@@ -0,0 +1 @@
+CREATE INDEX transaction_id_index ON receipts (transaction_id);

db/schema.sql

@@ -145,6 +145,41 @@ CREATE SEQUENCE nodes_id_seq
 ALTER SEQUENCE nodes_id_seq OWNED BY nodes.id;
 
 
+--
+-- Name: receipts; Type: TABLE; Schema: public; Owner: -
+--
+
+CREATE TABLE receipts (
+    id integer NOT NULL,
+    transaction_id integer NOT NULL,
+    contract_address character varying(42),
+    cumulative_gas_used numeric,
+    gas_used numeric,
+    state_root character varying(66),
+    status integer,
+    tx_hash character varying(66)
+);
+
+
+--
+-- Name: receipts_id_seq; Type: SEQUENCE; Schema: public; Owner: -
+--
+
+CREATE SEQUENCE receipts_id_seq
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+
+
+--
+-- Name: receipts_id_seq; Type: SEQUENCE OWNED BY; Schema: public; Owner: -
+--
+
+ALTER SEQUENCE receipts_id_seq OWNED BY receipts.id;
+
+
 --
 -- Name: schema_migrations; Type: TABLE; Schema: public; Owner: -
 --
@@ -243,6 +278,13 @@ ALTER TABLE ONLY logs ALTER COLUMN id SET DEFAULT nextval('logs_id_seq'::regclas
 ALTER TABLE ONLY nodes ALTER COLUMN id SET DEFAULT nextval('nodes_id_seq'::regclass);
 
 
+--
+-- Name: receipts id; Type: DEFAULT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY receipts ALTER COLUMN id SET DEFAULT nextval('receipts_id_seq'::regclass);
+
+
 --
 -- Name: transactions id; Type: DEFAULT; Schema: public; Owner: -
 --
@@ -313,6 +355,14 @@ ALTER TABLE ONLY nodes
     ADD CONSTRAINT nodes_pkey PRIMARY KEY (id);
 
 
+--
+-- Name: receipts receipts_pkey; Type: CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY receipts
+    ADD CONSTRAINT receipts_pkey PRIMARY KEY (id);
+
+
 --
 -- Name: schema_migrations schema_migrations_pkey; Type: CONSTRAINT; Schema: public; Owner: -
 --
@@ -358,6 +408,13 @@ CREATE INDEX block_number_index ON blocks USING btree (block_number);
 CREATE INDEX node_id_index ON blocks USING btree (node_id);
 
 
+--
+-- Name: transaction_id_index; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX transaction_id_index ON receipts USING btree (transaction_id);
+
+
 --
 -- Name: tx_from_index; Type: INDEX; Schema: public; Owner: -
 --
@@ -388,6 +445,14 @@ ALTER TABLE ONLY blocks
     ADD CONSTRAINT node_fk FOREIGN KEY (node_id) REFERENCES nodes(id) ON DELETE CASCADE;
 
 
+--
+-- Name: receipts transaction_fk; Type: FK CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY receipts
+    ADD CONSTRAINT transaction_fk FOREIGN KEY (transaction_id) REFERENCES transactions(id) ON DELETE CASCADE;
+
+
 --
 -- PostgreSQL database dump complete
 --