Publish package with build output in dist/ (#207)

This includes, among other things, the contract ABIs and TypeChain
bindings for the contracts.

Author: Jannis

.gitignore

@@ -3,6 +3,7 @@ node_modules/
 
 # Ignore truffle stuff
 build/
+dist/
 
 # Coverage tests
 coverage/

.npmignore

@@ -0,0 +1,12 @@
+# Ignore zeppelin contracts
+node_modules/
+
+# Ignore truffle stuff
+build/
+
+# Coverage tests
+coverage/
+
+.privkey.txt
+.infurakey.txt
+.DS_Store

package.json

@@ -34,9 +34,11 @@
     "truffle-abi": "^1.0.3",
     "truffle-assertions": "^0.9.2",
     "truffle-flattener": "^1.4.4",
-    "typechain": "^1.0.5"
+    "typechain": "^1.0.5",
+    "typechain-target-ethers": "^1.0.4"
   },
   "scripts": {
+    "prepare": "npm run build && npm run typechain && cp -R build dist",
     "build": "npm run compile && npm run flatten && npm run abi:extract",
     "clean": "rm -rf build/contracts",
     "compile": "truffle compile --all",
@@ -80,5 +82,6 @@
   "bugs": {
     "url": "https://github.com/graphprotocol/contracts/issues"
   },
-  "homepage": "https://github.com/graphprotocol/contracts#readme"
+  "homepage": "https://github.com/graphprotocol/contracts#readme",
+  "types": "dist/typechain/contracts/index.d.ts"
 }