feat: Track artifact files

.gitignore

@@ -12,14 +12,19 @@ typechain-types
 
 # Hardhat files
 cache
-artifacts
-
-# Deployed addresses saved with deploy/ scripts
-build/*.json
 
 contracts/hardhat-dependency-compiler/
 deployments/*hardhat*
 deployments/dev-*
 
 # Flattened Solidity file used to generate diagrams.
 flatten.sol
+
+# Contract artifacts are used by the SDKs and the Middleware.
+# Irrelevant files are ignored.
+# /!\ Update package.json#files if this is updated.
+/artifacts/*
+!/artifacts/contracts/
+/artifacts/contracts/tools/testing/
+/artifacts/contracts/tools/diagrams/
+/artifacts/contracts/**/*.dbg.json

.prettierignore

@@ -1,7 +1,6 @@
 
 artifacts/
 audit/
-build/
 cache/
 coverage/
 coverage.json