Add a payments plugin to GQL server (#391)

* Add a custom payments plugin in server process

* Fix voucher channel read in voucher subscription

* Use voucher hash and signature for payment authentication

* Use a LRU hash map for storing received vouchers

* Avoid hoisting level types to resolve build errors

* Upgrade ts-nitro packages

* Add payments related logs

* Upgrade package versions

* Always allow latestBlock query

* Upgrade ts-nitro packages

packages/codegen/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@cerc-io/codegen",
-  "version": "0.2.46",
+  "version": "0.2.47",
   "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": "^0.2.46",
+    "@cerc-io/util": "^0.2.47",
     "@graphql-tools/load-files": "^6.5.2",
     "@poanet/solidity-flattener": "https://github.com/vulcanize/solidity-flattener.git",
     "@solidity-parser/parser": "^0.13.2",

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": "^0.2.46",
-    "@cerc-io/ipld-eth-client": "^0.2.46",
-    "@cerc-io/solidity-mapper": "^0.2.46",
-    "@cerc-io/util": "^0.2.46",
+    "@cerc-io/cli": "^0.2.47",
+    "@cerc-io/ipld-eth-client": "^0.2.47",
+    "@cerc-io/solidity-mapper": "^0.2.47",
+    "@cerc-io/util": "^0.2.47",
     {{#if (subgraphPath)}}
-    "@cerc-io/graph-node": "^0.2.46",
+    "@cerc-io/graph-node": "^0.2.47",
     {{/if}}
     "@ethersproject/providers": "^5.4.4",
     "apollo-type-bigint": "^0.1.3",