Implement consensus mechanism using mokka (#412)

* Add Consensus class with placeholders

* Implement Consensus constructor

* Move PubsubType to peer package

* Implement remaining methods in Consensus class

* Use existing consensus stream if it exists

* Setup send and receive pipes on consensus streams

* Refactor P2P and consensus setup in server command

* Add Nitro node initialization in server command

* Return objects from server initializations

* Use dynamic imports for ES modules in util package

* Fix util deps

* Change target to es6 to allow creating a Mokka instance

* Set moduleResolution to node16 in util for dynamic imports

* Upgrade @cerc-io/nitro-node package

* Implement retries while sending consensus messages

* Use bunyan for consensus logs and subscribe to state changes

* Use debug for logging state change events

* Handle empty watcher party file path

* Return object from initP2P

* Upgrade @cerc-io/nitro-node package

* Update package versions

packages/graph-node/package.json

@@ -1,10 +1,10 @@
 {
   "name": "@cerc-io/graph-node",
-  "version": "0.2.56",
+  "version": "0.2.57",
   "main": "dist/index.js",
   "license": "AGPL-3.0",
   "devDependencies": {
-    "@cerc-io/solidity-mapper": "^0.2.56",
+    "@cerc-io/solidity-mapper": "^0.2.57",
     "@ethersproject/providers": "^5.4.4",
     "@graphprotocol/graph-ts": "^0.22.0",
     "@nomiclabs/hardhat-ethers": "^2.0.2",
@@ -51,9 +51,9 @@
   "dependencies": {
     "@apollo/client": "^3.3.19",
     "@cerc-io/assemblyscript": "0.19.10-watcher-ts-0.1.2",
-    "@cerc-io/cache": "^0.2.56",
-    "@cerc-io/ipld-eth-client": "^0.2.56",
-    "@cerc-io/util": "^0.2.56",
+    "@cerc-io/cache": "^0.2.57",
+    "@cerc-io/ipld-eth-client": "^0.2.57",
+    "@cerc-io/util": "^0.2.57",
     "@types/json-diff": "^0.5.2",
     "@types/yargs": "^17.0.0",
     "bn.js": "^4.11.9",