feat(types)!: camelCase enum serialization; Bump polkadot/api@v4 w. ESM

babel.config.js

@@ -0,0 +1,3 @@
+module.exports = {
+	"plugins": ["@babel/plugin-transform-modules-commonjs"]
+}

jest.config.js

@@ -1,4 +1,5 @@
 module.exports = {
-	preset: 'ts-jest',
-	testPathIgnorePatterns: ['/build/', '/node_modules/', '/docs/']
+	preset: 'ts-jest/presets/js-with-babel',
+	transformIgnorePatterns: ['<rootDir>/node_modules/(?!@polkadot|@babel/runtime/helpers/esm/)'],
+	testPathIgnorePatterns: ['/build/', '/node_modules/', '/docs/'],
 };

package.json

@@ -36,9 +36,9 @@
     "test": "jest --silent"
   },
   "dependencies": {
-    "@polkadot/api": "^3.11.1",
+    "@polkadot/api": "^4.0.3",
     "@polkadot/apps-config": "^0.83.1",
-    "@polkadot/util-crypto": "^5.9.2",
+    "@polkadot/util-crypto": "^6.0.5",
     "@substrate/calc": "^0.2.0",
     "confmgr": "^1.0.6",
     "express": "^4.17.1",
@@ -47,14 +47,15 @@
     "winston": "^3.3.3"
   },
   "devDependencies": {
+    "@babel/plugin-transform-modules-commonjs": "^7.13.8",
     "@types/express": "^4.17.11",
     "@types/express-serve-static-core": "^4.17.18",
     "@types/http-errors": "^1.6.3",
     "@types/jest": "^26.0.20",
     "@types/morgan": "^1.9.2",
     "@types/triple-beam": "^1.3.2",
-    "@typescript-eslint/eslint-plugin": "4.16.1",
-    "@typescript-eslint/parser": "4.16.1",
+    "@typescript-eslint/eslint-plugin": "4.17.0",
+    "@typescript-eslint/parser": "4.17.0",
     "eslint": "^7.21.0",
     "eslint-config-prettier": "^8.1.0",
     "eslint-plugin-prettier": "^3.3.1",
@@ -63,9 +64,9 @@
     "prettier": "^2.2.1",
     "rimraf": "^3.0.2",
     "standard-version": "^9.1.1",
-    "ts-jest": "^26.5.1",
+    "ts-jest": "^26.5.3",
     "tsc-watch": "^4.2.9",
-    "typescript": "4.1.4"
+    "typescript": "4.2.3"
   },
   "resolutions": {
     "node-forge": ">=0.10.0",

src/sanitize/sanitizeNumbers.spec.ts

@@ -303,7 +303,7 @@ describe('sanitizeNumbers', () => {
 					'0x0102030405060708091011121314151617181920212223242526272829303132',
 			});
 			expect(sanitizeNumbers(data)).toStrictEqual({
-				Keccak256:
+				keccak256:
 					'0x0102030405060708091011121314151617181920212223242526272829303132',
 			});
 		});
@@ -570,8 +570,8 @@ describe('sanitizeNumbers', () => {
 			);
 
 			expect(sanitizeNumbers(test)).toStrictEqual({
-				B: {
-					D: MAX_U64,
+				b: {
+					d: MAX_U64,
 				},
 			});
 		});
@@ -641,7 +641,7 @@ describe('sanitizeNumbers', () => {
 			// });
 			it('handles Ok()', () => {
 				const ok = kusamaRegistry.createType('DispatchResult');
-				expect(sanitizeNumbers(ok)).toStrictEqual({ Ok: [] });
+				expect(sanitizeNumbers(ok)).toStrictEqual({ ok: [] });
 			});
 
 			// it('converts Error(u128)', () => {
@@ -655,7 +655,7 @@ describe('sanitizeNumbers', () => {
 					Err: maxU128,
 				});
 				expect(sanitizeNumbers(error)).toStrictEqual({
-					Err: MAX_U128,
+					err: MAX_U128,
 				});
 			});
 
@@ -667,10 +667,10 @@ describe('sanitizeNumbers', () => {
 			// });
 			it('handles Error(Text)', () => {
 				const error = new ResultConstructor(kusamaRegistry, {
-					Err: message,
+					err: message,
 				});
 				expect(sanitizeNumbers(error)).toStrictEqual({
-					Err: message.toString(),
+					err: message.toString(),
 				});
 			});
 
@@ -686,7 +686,7 @@ describe('sanitizeNumbers', () => {
 					ok: maxU128,
 				});
 
-				expect(sanitizeNumbers(ok)).toStrictEqual({ Ok: MAX_U128 });
+				expect(sanitizeNumbers(ok)).toStrictEqual({ ok: MAX_U128 });
 			});
 
 			// it('handles Ok(Text)', () => {
@@ -699,10 +699,10 @@ describe('sanitizeNumbers', () => {
 			it('handles Ok(Text)', () => {
 				const R = Result.with({ Err: 'Text', Ok: 'Text' });
 				const ok = new R(kusamaRegistry, {
-					Ok: message,
+					ok: message,
 				});
 				expect(sanitizeNumbers(ok)).toStrictEqual({
-					Ok: message.toString(),
+					ok: message.toString(),
 				});
 			});
 		});
@@ -924,12 +924,12 @@ describe('sanitizeNumbers', () => {
 						],
 						index: '0x0000',
 					},
-					phase: { ApplyExtrinsic: '0' },
+					phase: { applyExtrinsic: '0' },
 					topics: [],
 				},
 				{
 					event: { data: null, index: '0x0000' },
-					phase: { ApplyExtrinsic: '0' },
+					phase: { applyExtrinsic: '0' },
 					topics: [],
 				},
 			]);
@@ -951,7 +951,7 @@ describe('sanitizeNumbers', () => {
 				'0x6502'
 			);
 			expect(sanitizeNumbers(extrinsicEra)).toStrictEqual({
-				MortalEra: ['64', '38'],
+				mortalEra: ['64', '38'],
 			});
 		});
 
@@ -1170,10 +1170,10 @@ describe('sanitizeNumbers', () => {
 			const open = kusamaRegistry.createType('ElectionStatus', {
 				open: 420420,
 			});
-			expect(sanitizeNumbers(open)).toStrictEqual({ Open: '420420' });
+			expect(sanitizeNumbers(open)).toStrictEqual({ open: '420420' });
 
 			const close = kusamaRegistry.createType('ElectionStatus', 'close');
-			expect(sanitizeNumbers(close)).toStrictEqual({ Close: null });
+			expect(sanitizeNumbers(close)).toStrictEqual({ close: null });
 		});
 	});
 

src/sanitize/sanitizeNumbers.ts

@@ -10,7 +10,7 @@ import { AbstractArray } from '@polkadot/types/codec/AbstractArray';
 import { AbstractInt } from '@polkadot/types/codec/AbstractInt';
 import { Json } from '@polkadot/types/codec/Json';
 import { CodecMap } from '@polkadot/types/codec/Map';
-import { isObject } from '@polkadot/util';
+import { isObject, stringCamelCase } from '@polkadot/util';
 import * as BN from 'bn.js';
 import { InternalServerError } from 'http-errors';
 
@@ -68,7 +68,11 @@ function sanitizeCodec(value: Codec): AnyJson {
 			return value.toJSON();
 		}
 
-		return { [value.type]: sanitizeNumbers(value.value) };
+		return {
+			// Replicating camelCaseing introduced in https://github.com/polkadot-js/api/pull/3024
+			// Specifically see: https://github.com/polkadot-js/api/blob/516fbd4a90652841d4e81636e74ca472e2dc5621/packages/types/src/codec/Enum.ts#L346
+			[stringCamelCase(value.type)]: sanitizeNumbers(value.value),
+		};
 	}
 
 	if (value instanceof BTreeSet) {

src/services/test-helpers/responses/accounts/stakingInfo789629.json

@@ -4,7 +4,9 @@
     "height": "789629"
   },
   "controller": "1zugcapKRuHy2C1PceJxTvXWiq6FHEDm2xa5XSU7KYP3rJE",
-  "rewardDestination": "Controller",
+  "rewardDestination": {
+    "controller": null
+  },
   "numSlashingSpans": "0",
   "staking": {
     "stash": "1zugcapKRuHy2C1PceJxTvXWiq6FHEDm2xa5XSU7KYP3rJE",

src/services/test-helpers/responses/blocks/blocks789629.json

@@ -1259,7 +1259,7 @@
                     },
                     "data": [
                         {
-                            "Ok": []
+                            "ok": []
                         }
                     ],
                     "docs": " A proxy was executed correctly, with the given [result]."

src/services/test-helpers/responses/node/network.json

@@ -1,7 +1,7 @@
 {
   "nodeRoles": [
     {
-      "Full": null
+      "full": null
     }
   ],
   "isSyncing": false,

src/services/test-helpers/responses/pallets/fetchStorage789629.json

@@ -10,7 +10,7 @@
       "name": "PublicPropCount",
       "modifier": "Default",
       "type": {
-        "Plain": "PropIndex"
+        "plain": "PropIndex"
       },
       "fallback": "0x00000000",
       "documentation": " The number of (public) proposals that have been made so far."
@@ -19,7 +19,7 @@
       "name": "PublicProps",
       "modifier": "Default",
       "type": {
-        "Plain": "Vec<(PropIndex,Hash,AccountId)>"
+        "plain": "Vec<(PropIndex,Hash,AccountId)>"
       },
       "fallback": "0x00",
       "documentation": " The public proposals. Unsorted. The second item is the proposal's hash."
@@ -28,7 +28,7 @@
       "name": "DepositOf",
       "modifier": "Optional",
       "type": {
-        "Map": {
+        "map": {
           "hasher": "Twox64Concat",
           "key": "PropIndex",
           "value": "(Vec<AccountId>,BalanceOf)",
@@ -42,7 +42,7 @@
       "name": "Preimages",
       "modifier": "Optional",
       "type": {
-        "Map": {
+        "map": {
           "hasher": "Identity",
           "key": "Hash",
           "value": "PreimageStatus",
@@ -56,7 +56,7 @@
       "name": "ReferendumCount",
       "modifier": "Default",
       "type": {
-        "Plain": "ReferendumIndex"
+        "plain": "ReferendumIndex"
       },
       "fallback": "0x00000000",
       "documentation": " The next free referendum index, aka the number of referenda started so far."
@@ -65,7 +65,7 @@
       "name": "LowestUnbaked",
       "modifier": "Default",
       "type": {
-        "Plain": "ReferendumIndex"
+        "plain": "ReferendumIndex"
       },
       "fallback": "0x00000000",
       "documentation": " The lowest referendum index representing an unbaked referendum. Equal to\n `ReferendumCount` if there isn't a unbaked referendum."
@@ -74,7 +74,7 @@
       "name": "ReferendumInfoOf",
       "modifier": "Optional",
       "type": {
-        "Map": {
+        "map": {
           "hasher": "Twox64Concat",
           "key": "ReferendumIndex",
           "value": "ReferendumInfo",
@@ -88,7 +88,7 @@
       "name": "VotingOf",
       "modifier": "Default",
       "type": {
-        "Map": {
+        "map": {
           "hasher": "Twox64Concat",
           "key": "AccountId",
           "value": "Voting",
@@ -102,7 +102,7 @@
       "name": "Locks",
       "modifier": "Optional",
       "type": {
-        "Map": {
+        "map": {
           "hasher": "Twox64Concat",
           "key": "AccountId",
           "value": "BlockNumber",
@@ -116,7 +116,7 @@
       "name": "LastTabledWasExternal",
       "modifier": "Default",
       "type": {
-        "Plain": "bool"
+        "plain": "bool"
       },
       "fallback": "0x00",
       "documentation": " True if the last referendum tabled was submitted externally. False if it was a public\n proposal."
@@ -125,7 +125,7 @@
       "name": "NextExternal",
       "modifier": "Optional",
       "type": {
-        "Plain": "(Hash,VoteThreshold)"
+        "plain": "(Hash,VoteThreshold)"
       },
       "fallback": "0x00",
       "documentation": " The referendum to be tabled whenever it would be valid to table an external proposal.\n This happens when a referendum needs to be tabled and one of two conditions are met:\n - `LastTabledWasExternal` is `false`; or\n - `PublicProps` is empty."
@@ -134,7 +134,7 @@
       "name": "Blacklist",
       "modifier": "Optional",
       "type": {
-        "Map": {
+        "map": {
           "hasher": "Identity",
           "key": "Hash",
           "value": "(BlockNumber,Vec<AccountId>)",
@@ -148,7 +148,7 @@
       "name": "Cancellations",
       "modifier": "Default",
       "type": {
-        "Map": {
+        "map": {
           "hasher": "Identity",
           "key": "Hash",
           "value": "bool",
@@ -162,7 +162,7 @@
       "name": "StorageVersion",
       "modifier": "Optional",
       "type": {
-        "Plain": "Releases"
+        "plain": "Releases"
       },
       "fallback": "0x00",
       "documentation": " Storage version of the pallet.\n\n New networks start with last version."

src/services/test-helpers/responses/pallets/fetchStorageItemMeta789629.json

@@ -11,7 +11,7 @@
     "name": "ReferendumInfoOf",
     "modifier": "Optional",
     "type": {
-      "Map": {
+      "map": {
         "hasher": "Twox64Concat",
         "key": "ReferendumIndex",
         "value": "ReferendumInfo",

src/services/test-helpers/responses/pallets/stakingProgress789629.json

@@ -10,7 +10,7 @@
   "nextActiveEraEstimate": "803868",
   "electionStatus": {
     "status": {
-      "Close": null
+      "close": null
     },
     "toggleEstimate": "801318"
   },