NearApiJS v6

.github/workflows/e2e.yaml

@@ -13,22 +13,30 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: "20"
+          node-version: "22"
 
-      - name: Cache node modules
+      - name: Cache Bun dependencies
         uses: actions/cache@v4
         with:
           path: |
+            ~/.bun/install/cache
             node_modules
-            ~/.cache/yarn
-          key: ${{ runner.os }}-yarn-${{ hashFiles('yarn.lock') }}
+            packages/*/node_modules
+          key: ${{ runner.os }}-bun-${{ hashFiles('**/bun.lockb') }}
           restore-keys: |
-            ${{ runner.os }}-yarn-
+            ${{ runner.os }}-bun-
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: latest
+
+      - name: Install Dependencies
+        run: bun install --frozen-lockfile
 
       - name: E2E Test
         run: |
-          yarn --frozen-lockfile
-          yarn test e2e
+          bun test e2e
         env:
           MPC_CONTRACT_ID: v1.signer-prod.testnet
           NEAR_ACCOUNT_ID: ${{secrets.NEAR_ACCOUNT_ID}}

.github/workflows/publish.yaml

@@ -15,8 +15,8 @@ jobs:
           registry-url: https://registry.npmjs.org/
       - name: Build & Set Package Version to Tag
         run: |
-          yarn --frozen-lockfile
-          yarn build
+          bun install --frozen-lockfile
+          bun run build
           VERSION=${GITHUB_REF#refs/tags/}
           npm version $VERSION --no-git-tag-version
       - name: Publish

.github/workflows/pull-request.yaml

@@ -12,24 +12,27 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Set up Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: "20"
-
-      - name: Cache node modules
+      - name: Cache Bun dependencies
         uses: actions/cache@v4
         with:
           path: |
+            ~/.bun/install/cache
             node_modules
-            ~/.cache/yarn
-          key: ${{ runner.os }}-yarn-${{ hashFiles('yarn.lock') }}
+            packages/*/node_modules
+          key: ${{ runner.os }}-bun-${{ hashFiles('**/bun.lockb') }}
           restore-keys: |
-            ${{ runner.os }}-yarn-
+            ${{ runner.os }}-bun-
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: latest
+
+      - name: Install Dependencies
+        run: bun install --frozen-lockfile
 
       - name: Install & Build
         run: |
-          yarn --frozen-lockfile
-          yarn lint
-          yarn build
-          yarn verify
+          bun lint
+          bun run build
+          bun verify

.github/workflows/upgrade.yaml

@@ -1,4 +1,4 @@
-name: Auto Yarn Upgrade
+name: Auto Bun Update
 
 on:
   schedule:
@@ -21,12 +21,12 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: "20"
+          node-version: "22"
 
       - name: Install and upgrade dependencies
         run: |
-          yarn
-          yarn upgrade
+          bun i
+          bun update
 
       - name: Commit changes
         run: |
@@ -41,5 +41,5 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
           commit-message: upgrade dependencies
           branch: auto-upgrade-branch
-          title: "Yarn Upgrade"
-          body: "This PR updates dependencies via `yarn upgrade`"
+          title: "Bun Update"
+          body: "This PR updates dependencies via `bun update`"

package.json

@@ -23,13 +23,13 @@
     "dist/**/*"
   ],
   "scripts": {
-    "build": "rm -fr dist/* && yarn build:esm && yarn build:cjs",
+    "build": "rm -fr dist/* && bun build:esm && bun build:cjs",
     "build:esm": "tsc -p tsconfig.esm.json",
     "build:cjs": "tsc -p tsconfig.cjs.json",
     "lint": "eslint . --ignore-pattern dist/ && prettier --check **/*.ts",
     "test": "jest --passWithNoTests",
-    "coverage": "yarn test --coverage",
-    "verify": "yarn coverage unit",
+    "coverage": "bun test --coverage",
+    "verify": "bun coverage unit",
     "fmt": "prettier --write '{src,examples,tests}/**/*.{js,jsx,ts,tsx}' && eslint src/ --fix"
   },
   "engines": {
@@ -39,19 +39,18 @@
     "@reown/walletkit": "^1.2.4",
     "elliptic": "^6.6.1",
     "js-sha3": "^0.9.3",
-    "near-api-js": "^5.1.1",
+    "near-api-js": "^6.2.4",
     "viem": "^2.29.3"
   },
   "devDependencies": {
     "@types/elliptic": "^6.4.18",
-    "@types/jest": "^29.5.12",
-    "@types/node": "^22.13.5",
+    "@types/jest": "^30.0.0",
+    "@types/node": "^24.2.0",
     "@typescript-eslint/eslint-plugin": "^8.21.0",
     "@typescript-eslint/parser": "^8.21.0",
-    "dotenv": "^16.4.5",
+    "dotenv": "^17.2.1",
     "eslint": "^9.19.0",
     "ethers": "^6.13.3",
-    "jest": "^29.7.0",
     "opensea-js": "^7.1.12",
     "prettier": "^3.5.3",
     "ts-jest": "^29.2.3",

src/chains/near.ts

@@ -1,4 +1,5 @@
-import { keyStores, KeyPair, connect, Account } from "near-api-js";
+import { KeyPair, Account, KeyPairSigner } from "near-api-js";
+import { JsonRpcProvider, Provider } from "near-api-js/lib/providers";
 import { NearConfig } from "near-api-js/lib/near";
 import { NearAccountConfig } from "../types";
 
@@ -74,10 +75,10 @@ export const createNearAccount = async (
   network: NearConfig,
   keyPair?: KeyPair
 ): Promise<Account> => {
-  const keyStore = new keyStores.InMemoryKeyStore();
-  if (keyPair) {
-    await keyStore.setKey(network.networkId, accountId, keyPair);
-  }
-  const near = await connect({ ...network, keyStore });
-  return near.account(accountId);
+  const provider = new JsonRpcProvider({ url: network.nodeUrl }) as Provider;
+  return new Account(
+    accountId,
+    provider,
+    keyPair ? KeyPairSigner.fromSecretKey(keyPair.toString()) : undefined
+  );
 };

src/mpcContract.ts

@@ -58,7 +58,7 @@ export class MpcContract implements IMpcContract {
     this.connectedAccount = account;
     this.rootPublicKey = rootPublicKey;
 
-    this.contract = new Contract(account.connection, contractId, {
+    this.contract = new Contract(account.getConnection(), contractId, {
       changeMethods: ["sign"],
       viewMethods: ["public_key", "experimental_signature_deposit"],
       useLocalViewExecution: false,
@@ -164,35 +164,16 @@ export class MpcContract implements IMpcContract {
    * @returns The execution outcome
    */
   async signAndSendSignRequest(
-    transaction: FunctionCallTransaction<{ request: SignArgs }>,
-    blockTimeout: number = 30
+    transaction: FunctionCallTransaction<{ request: SignArgs }>
   ): Promise<FinalExecutionOutcome> {
     const account = this.connectedAccount;
-    // @ts-expect-error: Account.signTransaction is protected (for no apparently good reason)
-    const [txHash, signedTx] = await account.signTransaction(
+    const signedTx = await account.createSignedTransaction(
       this.contract.contractId,
       transaction.actions.map(({ params: { args, gas, deposit } }) =>
         transactions.functionCall("sign", args, BigInt(gas), BigInt(deposit))
       )
     );
-    const provider = account.connection.provider;
-    let outcome = await provider.sendTransactionAsync(signedTx);
-
-    let pings = 0;
-    while (
-      outcome.final_execution_status != "EXECUTED" &&
-      pings < blockTimeout
-    ) {
-      await new Promise((resolve) => setTimeout(resolve, 1000));
-      outcome = await provider.txStatus(txHash, account.accountId, "INCLUDED");
-      pings += 1;
-    }
-    if (pings >= blockTimeout) {
-      console.warn(
-        `Request status polling exited before desired outcome.\n  Current status: ${outcome.final_execution_status}\nSignature Request will likely fail.`
-      );
-    }
-    return outcome;
+    return account.provider.sendTransactionUntil(signedTx, "EXECUTED");
   }
 }
 

tests/e2e.test.ts

@@ -26,7 +26,7 @@ describe("End To End", () => {
   });
 
   it("Adapter.getBalance", async () => {
-    await expect(realAdapter.getBalance(chainId)).resolves.not.toThrow();
+    await expect(realAdapter.getBalance(chainId)).resolves.toBeDefined();
   });
 
   it.skip("signAndSendTransaction", async () => {

tests/unit/ethereum.test.ts

@@ -30,7 +30,7 @@ describe("ethereum", () => {
     const request = await adapter.mpcSignRequest(transaction);
     expect(request.actions.length).toEqual(1);
 
-    expect(() =>
+    await expect(
       adapter.beta.handleSessionRequest({
         params: {
           chainId: "11155111",

tests/unit/index.test.ts

@@ -40,7 +40,7 @@ describe("index", () => {
       network: configFromNetworkId(networkId),
       mpcContractId,
     };
-    await expect(() => setupAdapter(config)).rejects.toThrow(
+    await expect(setupAdapter(config)).rejects.toThrow(
       `accountId ${accountId} doesn't match the networkId ${networkId}. Please ensure that your accountId is correct and corresponds to the intended network.`
     );
   });

tests/unit/types.util.test.ts

@@ -35,7 +35,7 @@ describe("types/utils", () => {
 
   it("convertToCompatibleFormat fails", async () => {
     expect(() => convertToCompatibleFormat(1n)).toThrow(
-      "Failed to convert the input: Do not know how to serialize a BigInt"
+      "Failed to convert the input: JSON.stringify cannot serialize BigInt."
     );
   });
 });

tests/unit/utils/transaction.test.ts

@@ -61,7 +61,7 @@ describe("Transaction Builder Functions", () => {
       chainId: 11155111,
       to: zeroAddress,
     };
-    await expect(() =>
+    await expect(
       populateTx(baseTx, zeroAddress, Network.fromChainId(100).client)
     ).rejects.toThrow("client chainId=100 mismatch with tx.chainId=11155111");