Mark Polkadot 26 upgrade (#2843)

packages/types-known/src/upgrades/index.spec.ts

@@ -0,0 +1,10 @@
+// Copyright 2017-2020 @polkadot/types-known authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import all from '.';
+
+describe('upgrades', (): void => {
+  it('is valid', (): void => {
+    expect(all).toBeDefined();
+  });
+});

packages/types-known/src/upgrades/index.ts

@@ -5,16 +5,33 @@ import { ChainUpgrades } from '@polkadot/types/types';
 import { ChainUpgradesRaw } from './types';
 
 import BN from 'bn.js';
-import { hexToU8a } from '@polkadot/util';
+import { assert, hexToU8a } from '@polkadot/util';
 
 import kusama from './kusama';
 import polkadot from './polkadot';
 import westend from './westend';
 
-function rawToFinal ({ genesisHash, versions }: ChainUpgradesRaw): ChainUpgrades {
+/** @internal */
+function checkOrder (network: string, versions: [number, number][]): [number, number][] {
+  const ooo = versions.filter((curr, index): boolean => {
+    const prev = versions[index - 1];
+
+    return index === 0
+      ? false
+      : curr[0] <= prev[0] || curr[1] <= prev[1];
+  });
+
+  assert(!ooo.length, `${network}: Mismatched upgrade ordering: ${JSON.stringify(ooo)}`);
+
+  return versions;
+}
+
+/** @internal */
+function rawToFinal (network: string, { genesisHash, versions }: ChainUpgradesRaw): ChainUpgrades {
   return {
     genesisHash: hexToU8a(genesisHash),
-    versions: versions.map(([blockNumber, specVersion]) => ({
+    network,
+    versions: checkOrder(network, versions).map(([blockNumber, specVersion]) => ({
       blockNumber: new BN(blockNumber),
       specVersion: new BN(specVersion)
     }))
@@ -23,9 +40,9 @@ function rawToFinal ({ genesisHash, versions }: ChainUpgradesRaw): ChainUpgrades
 
 // Type overrides for specific spec types & versions as given in runtimeVersion
 const upgrades: ChainUpgrades[] = [
-  rawToFinal(kusama),
-  rawToFinal(polkadot),
-  rawToFinal(westend)
+  rawToFinal('kusama', kusama),
+  rawToFinal('polkadot', polkadot),
+  rawToFinal('westend', westend)
 ];
 
 export default upgrades;