PRT-227 refactor chain sentry class (lavanet#218)

* added chainTracker class

* api change to add specific block

* finished implementing chainTracker

* better performance, fixed some bugs, added protections for polling too early, added unitests, WIP

* fixed all issues, added unitests for fork callbacks

* added latest block as arg to callbacks

* fixed fork identification bug

* allows cancelling the ticker in chainTracker

* lint spaces

* lint space

* lint

* better fetch performance

* improved readability of the fetcher code

* added a unit test verifying stateTracker doesn't need to read previous blocks if nothing changed

* modified parameters to make the unit-test more interesting

* lint

* added documentation and error codes are sparser

.github/workflows/e2e.yml

@@ -74,3 +74,9 @@ jobs:
     ######################################################
     - name: Run Lava E2E Tests IGNITE VERSION:0.22.1 -timeout 1200s
       run: go test ./testutil/e2e/ -v -timeout 1200s # 20mins
+
+    ######################################################
+    ### Run relayer unitests
+    ######################################################
+   - name: Run Relayer unit Tests
+      run: go test ./relayer/lavasession/ ./relayer/chainTracker/ -v

config.yml

@@ -5,7 +5,7 @@ accounts:
   - name: alice
     coins: ["200000000000ulava"]
   - name: bob
-    coins: ["100000000ulava"]
+    coins: ["10000ulava"]
   - name: user1
     coins: ["200000000ulava"]
   - name: user2