Support Metadata V8 (#1441)

* Support Metadata V8

* Update V7 references, introduce *Latest (as applicable)

* Add v8 static metadata

* Bump to latest metadata

packages/api-metadata/src/consts/types.ts

@@ -3,10 +3,10 @@
 // of the Apache-2.0 license. See the LICENSE file for details.
 
 import { Codec } from '@polkadot/types/types';
-import { ModuleConstantMetadataV7 } from '@polkadot/types/interfaces';
+import { ModuleConstantMetadataLatest } from '@polkadot/types/interfaces';
 
 export interface ConstantCodec extends Codec {
-  meta: ModuleConstantMetadataV7;
+  meta: ModuleConstantMetadataLatest;
 }
 
 export type ModuleConstants = Record<string, Codec>;

packages/api-metadata/src/extrinsics/fromMetadata/createUnchecked.ts

@@ -2,7 +2,7 @@
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
-import { Call, FunctionMetadataV7 } from '@polkadot/types/interfaces';
+import { Call, FunctionMetadataLatest } from '@polkadot/types/interfaces';
 import { CallFunction } from '@polkadot/types/types';
 
 import { createType } from '@polkadot/types';
@@ -21,7 +21,7 @@ export default function createDescriptor (
   section: string,
   sectionIndex: number,
   methodIndex: number,
-  callMetadata: FunctionMetadataV7
+  callMetadata: FunctionMetadataLatest
 ): CallFunction {
   const callIndex = new Uint8Array([sectionIndex, methodIndex]);
   const expectedArgs = callMetadata.args;

packages/api-metadata/src/extrinsics/fromMetadata/fromMetadata.spec.ts

@@ -5,7 +5,7 @@
 import '@polkadot/types/injector';
 
 import { createType, Metadata } from '@polkadot/types';
-import json from '@polkadot/types/Metadata/v7/static';
+import json from '@polkadot/types/Metadata/static';
 
 import fromMetadata from '.';
 

packages/api-metadata/src/extrinsics/fromMetadata/index.ts

@@ -4,7 +4,7 @@
 
 import { Calls, ModulesWithCalls } from '@polkadot/types/types';
 
-import { ModuleMetadataV7 } from '@polkadot/types/Metadata/v7/Metadata';
+import { ModuleMetadataV8 } from '@polkadot/types/Metadata/v8/Metadata';
 import Metadata from '@polkadot/types/Metadata';
 import { stringCamelCase } from '@polkadot/util';
 
@@ -19,7 +19,7 @@ import createUnchecked from './createUnchecked';
 export default function fromMetadata (metadata: Metadata): ModulesWithCalls {
   return metadata.asLatest.modules
     .filter(({ calls }): boolean => calls.isSome)
-    .reduce((result, modul: ModuleMetadataV7, sectionIndex): ModulesWithCalls => {
+    .reduce((result, modul: ModuleMetadataV8, sectionIndex): ModulesWithCalls => {
       const section = stringCamelCase(modul.name.toString());
 
       result[section] = modul.calls.unwrap().reduce((newModule, callMetadata, methodIndex): Calls => {

packages/api-metadata/src/storage/fromMetadata/createFunction.ts

@@ -7,7 +7,7 @@ import { Codec } from '@polkadot/types/types';
 import BN from 'bn.js';
 import { Bytes, Compact, StorageKey, U8a } from '@polkadot/types';
 import { createType, createTypeUnsafe } from '@polkadot/types/codec';
-import { StorageEntryMetadata, StorageEntryType } from '@polkadot/types/Metadata/v7/Storage';
+import { StorageEntryMetadata, StorageEntryType } from '@polkadot/types/Metadata/v8/Storage';
 import { StorageEntry } from '@polkadot/types/primitive/StorageKey';
 import { assert, isNull, isUndefined, stringLowerFirst, stringToU8a, u8aConcat } from '@polkadot/util';
 
@@ -121,8 +121,8 @@ function extendLinkedMap ({ meta: { documentation, name, type } }: CreateItemFn,
   // meta fallback only applies to actual entry values, create one for head
   headFn.meta = new StorageEntryMetadata({
     name,
-    modifier: createType('StorageEntryModifierV7', 1), // required
-    type: new StorageEntryType(createType('PlainTypeV7', type.asMap.key), 0),
+    modifier: createType('StorageEntryModifierLatest', 1), // required
+    type: new StorageEntryType(createType('PlainTypeLatest', type.asMap.key), 0),
     fallback: new Bytes(createTypeUnsafe(type.asMap.key.toString()).toHex()),
     documentation
   });

packages/api-metadata/src/storage/fromMetadata/substrate.ts

@@ -2,7 +2,7 @@
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
-import { StorageEntryMetadata, StorageEntryType } from '@polkadot/types/Metadata/v7/Storage';
+import { StorageEntryMetadata, StorageEntryType } from '@polkadot/types/Metadata/v8/Storage';
 import { StorageEntry } from '@polkadot/types/primitive/StorageKey';
 import { createType, Text, Vec } from '@polkadot/types';
 
@@ -19,7 +19,7 @@ const createRuntimeFunction = (method: string, key: string, { documentation, typ
     {
       meta: {
         documentation: new Vec(Text, [documentation]),
-        modifier: createType('StorageEntryModifierV7', 1), // required
+        modifier: createType('StorageEntryModifierLatest', 1), // required
         type: new StorageEntryType(type, 0),
         toJSON: (): any => key
       } as unknown as StorageEntryMetadata,