Update Travis to create a database from a schema

* We were running into issues getting migrate to work

.travis.yml

@@ -1,15 +1,12 @@
 dist: trusty
-sudo: required
 language: go
 go:
   - 1.9
 services:
   - postgresql
 before_script:
-  - go get -u -d github.com/mattes/migrate/cli github.com/lib/pq
-  - go build -tags 'postgres' -o /usr/local/bin/migrate github.com/mattes/migrate/cli
-  - psql -c 'create database vulcanize;' -U postgres
-  - migrate -database 'postgresql://localhost:5432/vulcanize?sslmode=disable' -path ./migrations up
+  - createdb vulcanize
+  - psql vulcanize < migrations/schema.sql
 script:
   - go test -v ./core/...
 notifications:

migrations/schema.sql

@@ -0,0 +1,67 @@
+--
+-- PostgreSQL database dump
+--
+
+-- Dumped from database version 10.0
+-- Dumped by pg_dump version 10.0
+
+SET statement_timeout = 0;
+SET lock_timeout = 0;
+SET idle_in_transaction_session_timeout = 0;
+SET client_encoding = 'UTF8';
+SET standard_conforming_strings = on;
+SET check_function_bodies = false;
+SET client_min_messages = warning;
+SET row_security = off;
+
+--
+-- Name: plpgsql; Type: EXTENSION; Schema: -; Owner: -
+--
+
+CREATE EXTENSION IF NOT EXISTS plpgsql WITH SCHEMA pg_catalog;
+
+
+--
+-- Name: EXTENSION plpgsql; Type: COMMENT; Schema: -; Owner: -
+--
+
+COMMENT ON EXTENSION plpgsql IS 'PL/pgSQL procedural language';
+
+
+SET search_path = public, pg_catalog;
+
+SET default_tablespace = '';
+
+SET default_with_oids = false;
+
+--
+-- Name: blocks; Type: TABLE; Schema: public; Owner: -
+--
+
+CREATE TABLE blocks (
+    block_number bigint
+);
+
+
+--
+-- Name: schema_migrations; Type: TABLE; Schema: public; Owner: -
+--
+
+CREATE TABLE schema_migrations (
+    version bigint NOT NULL,
+    dirty boolean NOT NULL
+);
+
+
+--
+-- Name: schema_migrations schema_migrations_pkey; Type: CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY schema_migrations
+    ADD CONSTRAINT schema_migrations_pkey PRIMARY KEY (version);
+
+
+--
+-- PostgreSQL database dump complete
+--
+

scripts/dump_schema

@@ -0,0 +1,2 @@
+#!/bin/bash
+pg_dump -O -s vulcanize > migrations/schema.sql