zombienet: warp-sync tests for validators (#13078)

* zombienet validators warp sync draft

Sketch of warp-sync test for validators.
Not tested.

Follow-up of: #12769

* yet another warp-sync scenario added

- all validators are synced from DB,
- some full nodes are synced from DB,
- full-node is warp-synced

* fixes

* fixes

* missing files

* path fixed

---------

Co-authored-by: parity-processbot <>

substrate/zombienet/0003-block-building-warp-sync/test-block-building-warp-sync.toml

@@ -0,0 +1,30 @@
+[settings]
+enable_tracing = false
+
+[relaychain]
+default_image = "{{ZOMBIENET_INTEGRATION_TEST_IMAGE}}"
+default_command = "substrate"
+
+chain = "gen-db"
+chain_spec_path = "zombienet/0003-block-building-warp-sync/chain-spec.json"
+
+  #we need at least 3 nodes for warp sync
+  [[relaychain.nodes]]
+  name = "alice"
+  validator = true
+  db_snapshot="https://storage.googleapis.com/zombienet-db-snaps/substrate/0001-basic-warp-sync/chains-0bb3f0be2ce41b5615b224215bcc8363aa0416a6.tgz"
+
+  [[relaychain.nodes]]
+  name = "bob"
+  validator = true
+  db_snapshot="https://storage.googleapis.com/zombienet-db-snaps/substrate/0001-basic-warp-sync/chains-0bb3f0be2ce41b5615b224215bcc8363aa0416a6.tgz"
+
+  [[relaychain.nodes]]
+  name = "charlie"
+  validator = false
+  db_snapshot="https://storage.googleapis.com/zombienet-db-snaps/substrate/0001-basic-warp-sync/chains-0bb3f0be2ce41b5615b224215bcc8363aa0416a6.tgz"
+
+  [[relaychain.nodes]]
+  name = "dave"
+  validator = false
+  args = ["--sync warp"]