chore: codegen + test ctx server refactor

.devcontainer/devcontainer.json

@@ -19,7 +19,7 @@
     "[typescript]": {
       "editor.defaultFormatter": "dprint.dprint"
     },
-    "deno.codeLens.testArgs": ["--no-check=remote", "-A", "-L=info"],
+    "deno.codeLens.testArgs": ["-A", "-L=info"],
     "deno.config": "./deno.jsonc",
     "deno.enable": true,
     "deno.lint": true,
@@ -38,5 +38,5 @@
     "vadimcn.vscode-lldb",
     "bungcip.better-toml"
   ],
-  "postCreateCommand": "deno task codegen && deno task star"
+  "postCreateCommand": "deno task star"
 }

.github/workflows/dev-container.yml

@@ -11,6 +11,5 @@ jobs:
     steps:
       - name: Checkout (GitHub)
         uses: actions/checkout@v2
-
       - name: Build and run Dev Container task
         uses: devcontainers/[email protected]

.github/workflows/test.yml

@@ -14,10 +14,32 @@ jobs:
       - uses: denoland/setup-deno@9db7f66e8e16b5699a514448ce994936c63f0d54 # v1.1.0
         with:
           deno-version: v1.x
-      - name: Setup polkadot
-        uses: ./.github/actions/setup-polkadot
+      - name: Cache Deno dependencies
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.deno
+            ~/.cache/deno
+          key: ${{ runner.os }}-deno-${{ hashFiles('deps/**/*.ts') }}
+      - name: Setup Polkadot
+        uses: ./.github/actions/setup-binary
+        with:
+          binary-name: polkadot
+          binary-version: v0.9.36
+          binary-github: https://github.com/paritytech/polkadot
+      - name: Setup Cumulus
+        uses: ./.github/actions/setup-binary
+        with:
+          binary-name: polkadot-parachain
+          binary-version: v0.9.360
+          binary-github: https://github.com/paritytech/cumulus
+      - name: Setup Zombienet
+        uses: ./.github/actions/setup-binary
+        with:
+          binary-name: zombienet-linux
+          binary-version: v1.3.18
+          binary-github: https://github.com/paritytech/zombienet
       - run: deno lint
-      - run: deno task codegen
       - run: deno task star
       - run: deno task test
-      - run: deno task test:examples
+      # - run: deno task test:examples

.vscode/settings.json

@@ -8,15 +8,15 @@
   "[typescript]": {
     "editor.defaultFormatter": "dprint.dprint"
   },
-  "deno.codeLens.testArgs": ["--no-check=remote", "-A", "-L=info"],
+  "deno.codeLens.testArgs": ["-A", "-L=info"],
   "deno.config": "./deno.jsonc",
   "deno.importMap": "./import_map.json",
   "deno.suggest.imports.hosts": {
     "https://deno.land": true,
     "https://x.nest.land": true,
     "https://crux.land": true,
-    "http://localhost:5646": true,
-    "https://capi.dev": true
+    "https://capi.dev": true,
+    "http://localhost:4646": false
   },
   "deno.enable": true,
   "deno.lint": true,
@@ -26,5 +26,9 @@
   "prettier.printWidth": 100,
   "ltex.disabledRules": {
     "en-US": ["MORFOLOGIK_RULE_EN_US"]
+  },
+  "markdownlint.config": {
+    "MD013": false,
+    "MD033": false
   }
 }

Readme.md

@@ -10,8 +10,16 @@ Capi is a declarative, TypeScript-first toolkit for crafting interactions with S
 
 ## At a Glance
 
+Run the local server.
+
+```sh
+deno run -A https://deno.land/x/capi/main.ts
+```
+
+Then, open your IDE and import pallet-corresponding modules from the local server.
+
 ```ts
-import { System } from "https://capi.dev/proxy/wss:rpc.polkadot.io/pallets/mod.ts"
+import { System } from "http://localhost:4646/frame/wss/rpc.polkadot.io/@<chain-version>/mod.ts"
 
 const key = System.Account.keys().first()
 
@@ -20,11 +28,24 @@ const value = System.Account.entry(key)
 console.log(await value.run())
 ```
 
-> Note: although the codegen server is hosted on https://capi.dev, we encourage you to run it locally with
->
-> ```sh
-> deno run -A https://deno.land/x/capi/serve.ts
-> ```
+### Import Mapping
+
+For simplicity, we recommend aliasing import specifiers via import maps.
+
+`import_map.json`
+
+```json
+{
+  "imports": {
+    "#polkadot/": "http://localhost:4646/frame/wss/rpc.polkadot.io/@<chain-version>/"
+  }
+}
+```
+
+```diff
+- import { System } from "http://localhost:4646/frame/wss/rpc.polkadot.io/@<chain-version>/mod.ts"
++ import { System } from "#polkadot/mod.ts"
+```
 
 ## Examples
 

_tasks/download_frame_metadata.ts

@@ -1,8 +1,11 @@
-import * as Z from "../deps/zones.ts"
-import * as C from "../mod.ts"
-import * as U from "../util/mod.ts"
+import { rawClient as kusama } from "kusama/mod.ts"
+import { rawClient as polkadot } from "polkadot/mod.ts"
+import { rawClient as rococo } from "rococo/mod.ts"
+import { rawClient as westend } from "westend/mod.ts"
 
-const names = Object.keys(C.knownClients)
+const knownClients = { kusama, polkadot, westend, rococo }
+
+const names = Object.keys(knownClients)
 const outDir = new URL("../frame_metadata/_downloaded", import.meta.url)
 try {
   Deno.removeSync(outDir, { recursive: true })
@@ -26,30 +29,17 @@ async function download(name: string) {
   )
 }
 `
-Deno.writeTextFileSync(modFilePath, modFileContents, { create: true })
 
-U.throwIfError(await Z.ls(...Object.entries(C.knownClients).map(download)).run())
-
-function download<Name extends Z.$<string>, Client extends Z.$<C.rpc.Client>>(
-  entry: [name: Name, client: Client],
-) {
-  return Z.ls(...entry).next(async ([name, client]) => {
-    try {
-      const metadataHex = U.throwIfError(await C.state.getMetadata(client)().run())
-      const outPath = new URL(`_downloaded/${name}.scale`, outDir)
-      console.log(`Downloading ${name} metadata to "${outPath}".`)
-      await Deno.writeTextFile(outPath, metadataHex)
-      return
-    } catch (cause) {
-      return new MetadataDownloadError(name, { cause })
-    }
-  })
-}
-
-class MetadataDownloadError extends Error {
-  override readonly name = "MetadataDownloadError"
+Deno.writeTextFileSync(modFilePath, modFileContents, { create: true })
 
-  constructor(readonly chainName: string, options: ErrorOptions) {
-    super(undefined, options)
-  }
-}
+await Promise.all(
+  Object.entries(knownClients).map(async ([name, client]) => {
+    const r = await client.call(name, "state_getMetadata", [])
+    if (r instanceof Error) throw r
+    if (r.error) throw new Error(r.error.message)
+    const outPath = new URL(`_downloaded/${name}.scale`, outDir)
+    console.log(`Downloading ${name} metadata to "${outPath}".`)
+    await Deno.writeTextFile(outPath, r.result)
+    await client.discard()
+  }),
+)