Remove nodeCompat (#1130)

packages/api/src/Base.ts

@@ -30,7 +30,6 @@ import { StorageEntry } from '@polkadot/types/primitive/StorageKey';
 import { assert, compactStripLength, isFunction, isObject, isUndefined, logger, u8aToHex } from '@polkadot/util';
 import { cryptoWaitReady } from '@polkadot/util-crypto';
 
-import injectNodeCompat from './nodeCompat';
 import createSubmittable, { SubmittableExtrinsic } from './SubmittableExtrinsic';
 import { decorateSections } from './util/decorate';
 
@@ -514,8 +513,6 @@ export default abstract class ApiBase<ApiType> {
       this._genesisHash = this._options.source.genesisHash;
     }
 
-    injectNodeCompat(this._runtimeVersion as RuntimeVersion);
-
     const extrinsics = extrinsicsFromMeta(this.runtimeMetadata);
     const storage = storageFromMeta(this.runtimeMetadata);
     const constants = constantsFromMeta(this.runtimeMetadata);

packages/api/src/nodeCompat.ts

@@ -1,46 +0,0 @@
-/* eslint-disable @typescript-eslint/camelcase */
-// Copyright 2017-2019 @polkadot/api authors & contributors
-// This software may be modified and distributed under the terms
-// of the Apache-2.0 license. See the LICENSE file for details.
-
-import { Constructor } from '@polkadot/types/types';
-
-import { EventRecord0to76, RuntimeVersion, getTypeRegistry } from '@polkadot/types';
-
-interface Compat {
-  // an array of the spec-name and spec_version that denotes the first version that
-  // does not support this feature. i.e. for EventRecord between 0-76, the new version
-  // went live at 77 - hence the version here denotes 77
-  nodeSpecs: [string, number][];
-  types: {
-    [index: string]: Constructor;
-  };
-}
-
-const ANY_VERSION = 0xffffff;
-
-const types: Compat[] = [
-  {
-    nodeSpecs: [
-      ['node', 77],
-      ['polkadot', 1000],
-      ['node-template', ANY_VERSION]
-    ],
-    types: {
-      EventRecord: EventRecord0to76
-    }
-  }
-];
-
-export default function injectNodeCompat ({ specName, specVersion }: RuntimeVersion): void {
-  types
-    .filter(({ nodeSpecs }): boolean =>
-      nodeSpecs.some(([name, version]): boolean =>
-        specName.eq(name) &&
-        specVersion.ltn(version)
-      )
-    )
-    .forEach(({ types }): void => {
-      getTypeRegistry().register(types);
-    });
-}