Export metrics for watcher config and upstream and external chain heads (#497)

* Add a cli to export chain head block numbers

* Use ETH RPC endpoint and allow env overrides

* Use ethers provider

* Export upstream chain head block number in watcher metrics

* Remove unnecessary exports

* Upgrade package versions

* Fix defaults usage

* Export watcher config in metrics

* Add metric for watcher sync mode

* Remove cache flag from watcher config metrics

* Update watcher config field names

packages/codegen/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@cerc-io/codegen",
-  "version": "0.2.78",
+  "version": "0.2.79",
   "description": "Code generator",
   "private": true,
   "main": "index.js",
@@ -20,7 +20,7 @@
   },
   "homepage": "https://github.com/cerc-io/watcher-ts#readme",
   "dependencies": {
-    "@cerc-io/util": "^0.2.78",
+    "@cerc-io/util": "^0.2.79",
     "@graphql-tools/load-files": "^6.5.2",
     "@npmcli/package-json": "^5.0.0",
     "@poanet/solidity-flattener": "https://github.com/vulcanize/solidity-flattener.git",

packages/codegen/src/templates/package-template.handlebars

@@ -41,12 +41,12 @@
   "homepage": "https://github.com/cerc-io/watcher-ts#readme",
   "dependencies": {
     "@apollo/client": "^3.3.19",
-    "@cerc-io/cli": "^0.2.78",
-    "@cerc-io/ipld-eth-client": "^0.2.78",
-    "@cerc-io/solidity-mapper": "^0.2.78",
-    "@cerc-io/util": "^0.2.78",
+    "@cerc-io/cli": "^0.2.79",
+    "@cerc-io/ipld-eth-client": "^0.2.79",
+    "@cerc-io/solidity-mapper": "^0.2.79",
+    "@cerc-io/util": "^0.2.79",
     {{#if (subgraphPath)}}
-    "@cerc-io/graph-node": "^0.2.78",
+    "@cerc-io/graph-node": "^0.2.79",
     {{/if}}
     "@ethersproject/providers": "^5.4.4",
     "debug": "^4.3.1",