Add contracts table / start building out watch contracts

Gododir/main.go

@@ -36,6 +36,16 @@ func tasks(p *do.Project) {
 			do.M{"environment": environment, "startingNumber": startingNumber, "$in": "cmd/populate_blocks"})
 	})
 
+	p.Task("subscribeToContract", nil, func(context *do.Context) {
+		environment := parseEnvironment(context)
+		contractHash := context.Args.MayString("", "contract-hash", "c")
+		if contractHash == "" {
+			log.Fatalln("--contract-hash required")
+		}
+		context.Start(`go run main.go --environment={{.environment}} --contract-hash={{.contractHash}}`,
+			do.M{"environment": environment, "contractHash": contractHash, "$in": "cmd/subscribe_contract"})
+	})
+
 	p.Task("migrate", nil, func(context *do.Context) {
 		environment := parseEnvironment(context)
 		cfg := cmd.LoadConfig(environment)