Add first pass at local build.

.envrc

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+PROJECT_DIR="$(pwd)"
+
+PATH_add ${PROJECT_DIR}
+PATH_add ${PROJECT_DIR}/node_modules/.bin

.ruby-version

@@ -0,0 +1 @@
+2.7.2

Gemfile

@@ -0,0 +1,3 @@
+source 'https://rubygems.org'
+
+gem 'rake', '~> 13.0'

Gemfile.lock

@@ -0,0 +1,13 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    rake (13.0.3)
+
+PLATFORMS
+  x86_64-darwin-19
+
+DEPENDENCIES
+  rake (~> 13.0)
+
+BUNDLED WITH
+   2.2.6

Rakefile

@@ -0,0 +1,8 @@
+task :default => :"contracts:compile"
+
+namespace :contracts do
+  desc "Compile all contracts"
+  task :compile do
+    sh('npm run compile')
+  end
+end

go

@@ -0,0 +1,61 @@
+#!/usr/bin/env bash
+
+[ -n "$GO_DEBUG" ] && set -x
+set -e
+
+project_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+verbose="no"
+offline="no"
+skip_checks="no"
+
+missing_dependency="no"
+
+[ -n "$GO_DEBUG" ] && verbose="yes"
+[ -n "$GO_SKIP_CHECKS" ] && skip_checks="yes"
+[ -n "$GO_OFFLINE" ] && offline="yes"
+
+
+if [[ "$skip_checks" = "no" ]]; then
+    echo "Checking for system dependencies."
+    ruby_version="$(cat "$project_dir"/.ruby-version)"
+    if ! type ruby >/dev/null 2>&1 || ! ruby -v | grep -q "$ruby_version"; then
+        echo "This codebase requires Ruby $ruby_version."
+        missing_dependency="yes"
+    fi
+
+    if ! type bundler >/dev/null 2>&1; then
+        echo "This codebase requires Bundler."
+        missing_dependency="yes"
+    fi
+
+    if [[ "$missing_dependency" = "yes" ]]; then
+        echo "Please install missing dependencies to continue."
+        exit 1
+    fi
+
+    echo "All system dependencies present. Continuing."
+fi
+
+if [[ "$offline" = "no" ]]; then
+    echo "Installing bundler."
+    if [[ "$verbose" = "yes" ]]; then
+        gem install --no-document bundler
+    else
+        gem install --no-document bundler > /dev/null
+    fi
+
+    echo "Installing ruby dependencies."
+    if [[ "$verbose" = "yes" ]]; then
+        bundle install
+    else
+        bundle install > /dev/null
+    fi
+fi
+
+echo "Starting rake."
+if [[ "$verbose" = "yes" ]]; then
+    time bundle exec rake --verbose "$@"
+else
+    time bundle exec rake "$@"
+fi

package.json

@@ -7,7 +7,7 @@
     "test": "test"
   },
   "scripts": {
-    "compile": "truffle compile",
+    "compile": "truffle compile --all",
     "test:unit": "truffle test",
     "coverage": "node --max-old-space-size=4096 ./node_modules/.bin/truffle run coverage --network coverage",
     "migrate-dev": "truffle migrate --network=rinkeby",