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reference/demo/contract_interaction/contract_monad.mjs

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+import { ethers } from 'ethers';
+
+// Monad 测试网 RPC URL
+const providerUrl = 'https://testnet-rpc.monad.xyz';
+const provider = new ethers.JsonRpcProvider(providerUrl);
+
+// 钱包私钥
+const privateKey = '0x3991542110242368f4770716be904b0ca6d44a8dbe4501771833b1a3642198d1';
+const wallet = new ethers.Wallet(privateKey, provider);
+
+// 质押合约地址
+const stakingContractAddress = '0x2c9c959516e9aaedb2c748224a41249202ca8be7';
+
+// 质押 $MON
+async function stakeMon() {
+    try {
+        // 检查原生代币余额
+        const balance = await provider.getBalance(wallet.address);
+        console.log('Native balance:', ethers.formatEther(balance));
+
+        // 质押金额
+        const amountToStake = ethers.parseEther('0.0001'); // 0.0001 原生代币
+        if (balance < amountToStake) {
+            throw new Error('Insufficient balance for staking');
+        }
+
+        // 低级调用，发送交易
+        const tx = await wallet.sendTransaction({
+            to: stakingContractAddress,
+            value: amountToStake,
+            data: '0xd5575982', // 函数选择器
+            gasLimit: 100000,
+            gasPrice: ethers.parseUnits('50', 'gwei')
+        });
+        console.log('Stake transaction hash:', tx.hash);
+
+        // 等待交易确认
+        const receipt = await tx.wait();
+        console.log('Stake transaction receipt:', receipt);
+    } catch (error) {
+        console.error('Error staking $MON:', error);
+    }
+}
+
+// 调用质押函数
+stakeMon();