[contracts] Simplify hardhat node startup

.gitignore

@@ -21,4 +21,3 @@ build/
 
 .update.timestamp
 dagger.nims
-deployment-localhost.json

dagger.nimble

@@ -37,12 +37,7 @@ task testContracts, "Build, deploy and test contracts":
   exec "cd vendor/dagger-contracts && npm install"
 
   # start node
-  # Note: combining this command with the previous does not work
-  exec "cd vendor/dagger-contracts && npx hardhat node --no-deploy &"
-
-  # deploy contracts
-  exec "sleep 3 && " &
-       "cd vendor/dagger-contracts && npx hardhat deploy --network localhost --export '../../deployment-localhost.json'"
+  exec "cd vendor/dagger-contracts && npm start &"
 
   # run contract tests using deployed contracts
   try:

dagger/contracts/deployment.nim

@@ -5,7 +5,7 @@ import pkg/questionable
 type Deployment* = object
   json: JsonNode
 
-const defaultFile = "./deployment-localhost.json"
+const defaultFile = "vendor/dagger-contracts/deployment-localhost.json"
 
 ## Reads deployment information from a json file. It expects a file that has
 ## been exported with Hardhat deploy.