Add readme, get code working

Author: JasoonS

README.md

@@ -0,0 +1,14 @@
+After cloning initialise the contracts needed for testing and installing dependancies run:
+
+```bash
+git submodule update --init --recursive
+yarn && cd async-contracts && yarn && cd ..
+```
+
+### Local development and testing
+
+Run:
+
+```bash
+make graph-test
+```

src/mapping.ts

@@ -1,4 +1,4 @@
-import { BigInt } from "@graphprotocol/graph-ts";
+import { BigInt, log } from "@graphprotocol/graph-ts";
 import {
   Contract,
   Approval,
@@ -57,6 +57,8 @@ export function handleBuyPriceSet(event: BuyPriceSet): void {}
 export function handleControlLeverUpdated(event: ControlLeverUpdated): void {}
 
 export function handleCreatorWhitelisted(event: CreatorWhitelisted): void {
+  log.warning("Whitelist", []);
+
   let txTimestamp = event.block.timestamp;
   let blockNumber = event.block.number;
   let user = new ExampleEntity(txTimestamp.toString());

subgraph.yaml

@@ -6,7 +6,7 @@ dataSources:
     name: Contract
     network: ganache
     source:
-      address: "0x5Db1Dd1980E17050B38413B0561d95CF781CB8C5"
+      address: "0x13759fA52EBf752aF1bbe4b6Fd6A09B6839d737c"
       abi: Contract
       startBlock: 0
     mapping:

yarn.lock

@@ -228,9 +228,9 @@ asn1@~0.2.3:
   dependencies:
     safer-buffer "~2.1.0"
 
-"assemblyscript@git+https://github.com/AssemblyScript/assemblyscript.git#36040d5b5312f19a025782b5e36663823494c2f3":
+"assemblyscript@https://github.com/AssemblyScript/assemblyscript#36040d5b5312f19a025782b5e36663823494c2f3":
   version "0.6.0"
-  resolved "git+https://github.com/AssemblyScript/assemblyscript.git#36040d5b5312f19a025782b5e36663823494c2f3"
+  resolved "https://github.com/AssemblyScript/assemblyscript#36040d5b5312f19a025782b5e36663823494c2f3"
   dependencies:
     "@protobufjs/utf8" "^1.1.0"
     binaryen "77.0.0-nightly.20190407"