fix: flask 10.17 snap breaking change fix (#206)

* fix: flask 10.17 snap breaking change fix

* lint onRpcRequest fix

* manifest

packages/snap/package.json

@@ -50,7 +50,7 @@
   "homepage": "https://github.com/chainsafe/filecoin-metamask-snap#readme",
   "devDependencies": {
     "@chainsafe/filsnap-types": "workspace:^",
-    "@metamask/snaps-cli": "^0.11.1",
+    "@metamask/snaps-cli": "^0.18.1",
     "@types/bn.js": "^4.11.6",
     "@types/chai": "^4.2.10",
     "@types/mocha": "^9.1.1",

packages/snap/snap.manifest.json

@@ -7,7 +7,7 @@
     "url": "https://github.com/Chainsafe/filsnap.git"
   },
   "source": {
-    "shasum": "yOfdreCEtwMdTmupfP+w9RyPdcOj6q1KgMfSwwd9jTg=",
+    "shasum": "Gh5Rkh+Tbw4uZDmH94HyCDl8difNBzji6B0/DEd3Mfg=",
     "location": {
       "npm": {
         "filePath": "dist/bundle.js",

packages/snap/src/index.ts

@@ -1 +1,92 @@
-import "./snap";
+import { EmptyMetamaskState, Wallet } from "./interfaces";
+import { getAddress } from "./rpc/getAddress";
+import { exportPrivateKey } from "./rpc/exportPrivateKey";
+import { getPublicKey } from "./rpc/getPublicKey";
+import { getApi } from "./filecoin/api";
+import { LotusRpcApi } from "./filecoin/types";
+import { getBalance } from "./rpc/getBalance";
+import { configure } from "./rpc/configure";
+import { getMessages } from "./rpc/getMessages";
+import { signMessage, signMessageRaw } from "./rpc/signMessage";
+import { sendMessage } from "./rpc/sendMessage";
+import { estimateMessageGas } from "./rpc/estimateMessageGas";
+
+declare let wallet: Wallet;
+
+const apiDependentMethods = [
+  "fil_getBalance",
+  "fil_signMessage",
+  "fil_sendMessage",
+  "fil_getGasForMessage",
+  "fil_configure",
+];
+// eslint-disable-next-line
+module.exports.onRpcRequest = (async ({ origin, request }: { origin: string, request: any }) => {
+
+  const state = await wallet.request({
+    method: "snap_manageState",
+    params: ["get"],
+  });
+
+  if (!state) {
+    // initialize state if empty and set default config
+    await wallet.request({
+      method: "snap_manageState",
+      params: ["update", EmptyMetamaskState()],
+    });
+  }
+
+  let api: LotusRpcApi;
+  // initialize lotus RPC api if needed
+  // eslint-disable-next-line
+  if (apiDependentMethods.indexOf(request.method) >= 0) {
+    api = await getApi(wallet);
+  }
+  // eslint-disable-next-line
+  switch (request.method) {
+    case "fil_configure": {
+      const resp = await configure(
+        wallet,
+        // eslint-disable-next-line
+        request.params.configuration.network,
+        // eslint-disable-next-line
+        request.params.configuration
+      );
+      api = resp.api;
+      return resp.snapConfig;
+    }
+    case "fil_getAddress":
+      return await getAddress(wallet);
+    case "fil_getPublicKey":
+      return await getPublicKey(wallet);
+    case "fil_exportPrivateKey":
+      return exportPrivateKey(wallet);
+    case "fil_getBalance": {
+      const balance = await getBalance(wallet, api);
+      return balance;
+    }
+    case "fil_getMessages":
+      return getMessages(wallet);
+    case "fil_signMessage":
+      // eslint-disable-next-line
+      return await signMessage(wallet, api, request.params.message);
+    case "fil_signMessageRaw":
+      // eslint-disable-next-line
+      return await signMessageRaw(wallet, request.params.message);
+    case "fil_sendMessage":
+      // eslint-disable-next-line
+      return await sendMessage(wallet, api, request.params.signedMessage);
+    case "fil_getGasForMessage":
+      return await estimateMessageGas(
+        wallet,
+        api,
+        // eslint-disable-next-line
+        request.params.message,
+        // eslint-disable-next-line
+        request.params.maxFee
+      );
+    default:
+      throw new Error("Unsupported RPC method");
+  }
+  // eslint-disable-next-line
+});

packages/snap/src/interfaces.ts

@@ -22,6 +22,5 @@ export const EmptyMetamaskState: () => MetamaskState = () => ({
 });
 
 export interface Wallet {
-  registerRpcMessageHandler: (fn: FMethodCallback) => unknown;
   request(options: { method: string; params?: unknown[] }): unknown;
 }