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+## Usage
+使⽤你熟悉的语⾔，利⽤ flashbot API eth_sendBundle 捆绑 OpenspaceNFT 的开启预售和 presale 交易
+预售的交易(sepolia 测试⽹络)，并使⽤ flashbots_getBundleStats 查询状态，最终打印交易哈希和 stats 信息
+
+### Reference
+* https://learnblockchain.cn/article/8938
+* https://www.wtf.academy/docs/ethers-102/Flashbots/
+### Run
+
+```shell
+$ node script/flashbots.js
+```
+
+### Result
+
+```
+Connected to provider: https://sepolia.infura.io/v3/37c4affd9b39416c84029afdfaaab901
+Current block number: 7106165
+Wallet address: 0x2e04aF48d11F4E505F09e253B119BfDa6772df54
+Bundle transactions: [
+  {
+    "signer": {
+      "provider": {},
+      "address": "0x2e04aF48d11F4E505F09e253B119BfDa6772df54"
+    },
+    "transaction": {
+      "to": "0x07dd1daba01489c67321766125b42e72d8eaa622",
+      "data": "0x04c98b2b",
+      "chainId": 11155111,
+      "gasLimit": 100000,
+      "maxFeePerGas": "10000000000",
+      "maxPriorityFeePerGas": "2000000000",
+      "type": 2
+    }
+  },
+  {
+    "signer": {
+      "provider": {},
+      "address": "0x2e04aF48d11F4E505F09e253B119BfDa6772df54"
+    },
+    "transaction": {
+      "to": "0x07dd1daba01489c67321766125b42e72d8eaa622",
+      "data": "0xcaa07a0c",
+      "chainId": 11155111,
+      "gasLimit": 100000,
+      "maxFeePerGas": "10000000000",
+      "maxPriorityFeePerGas": "2000000000",
+      "type": 2
+    }
+  }
+]
+Simulation results: {
+  "bundleGasPrice": "2000000000",
+  "bundleHash": "0x4eadbcc3ff4d1369cb04d8d4eecd2922136712d9b2482b646dda10ea05b508d9",
+  "coinbaseDiff": "85150000000000",
+  "ethSentToCoinbase": "0",
+  "gasFees": "85150000000000",
+  "results": [
+    {
+      "txHash": "0xca2adcc13dd66e87b5b5d1c318240d26418b357f2ca4b4d47969f7aab248b2a4",
+      "gasUsed": 21278,
+      "gasPrice": "2000000000",
+      "gasFees": "42556000000000",
+      "fromAddress": "0x2e04aF48d11F4E505F09e253B119BfDa6772df54",
+      "toAddress": "0x07Dd1dabA01489c67321766125b42E72D8EAA622",
+      "coinbaseDiff": "42556000000000",
+      "ethSentToCoinbase": "0",
+      "error": "execution reverted",
+      "value": null
+    },
+    {
+      "txHash": "0x25745840adee769e6d6c61558cb23c9387fce64d9d96557a9e87a047b3c4c50e",
+      "gasUsed": 21297,
+      "gasPrice": "2000000000",
+      "gasFees": "42594000000000",
+      "fromAddress": "0x2e04aF48d11F4E505F09e253B119BfDa6772df54",
+      "toAddress": "0x07Dd1dabA01489c67321766125b42E72D8EAA622",
+      "coinbaseDiff": "42594000000000",
+      "ethSentToCoinbase": "0",
+      "error": "execution reverted",
+      "value": null
+    }
+  ],
+  "stateBlockNumber": 7106165,
+  "totalGasUsed": 42575,
+  "firstRevert": {
+    "txHash": "0xca2adcc13dd66e87b5b5d1c318240d26418b357f2ca4b4d47969f7aab248b2a4",
+    "gasUsed": 21278,
+    "gasPrice": "2000000000",
+    "gasFees": "42556000000000",
+    "fromAddress": "0x2e04aF48d11F4E505F09e253B119BfDa6772df54",
+    "toAddress": "0x07Dd1dabA01489c67321766125b42E72D8EAA622",
+    "coinbaseDiff": "42556000000000",
+    "ethSentToCoinbase": "0",
+    "error": "execution reverted",
+    "value": null
+  }
+}
+Bundle response: {
+  "bundleTransactions": [
+    {
+      "signedTransaction": "0x02f87383aa36a73084773594008502540be400830186a09407dd1daba01489c67321766125b42e72d8eaa622808404c98b2bc080a0799c32ec1b335492d9832876c389c79c43fc236a515c124c55f0dbfb8c2abe46a079ba818a93debcf6543a6f6f531b5115b498414a3fe4124cebb3f47e307ae6d7",
+      "hash": "0xca2adcc13dd66e87b5b5d1c318240d26418b357f2ca4b4d47969f7aab248b2a4",
+      "account": "0x2e04aF48d11F4E505F09e253B119BfDa6772df54",
+      "nonce": 48
+    },
+    {
+      "signedTransaction": "0x02f87383aa36a73184773594008502540be400830186a09407dd1daba01489c67321766125b42e72d8eaa6228084caa07a0cc001a0657c175faffe1d12d1062efacfa826655b2a6fdb9ac47728adbac9ed88e5dc7ea024b286389b3c243f23a709abb4e2e8cd850d2d1d7151af6056990d1ad292f7a8",
+      "hash": "0x25745840adee769e6d6c61558cb23c9387fce64d9d96557a9e87a047b3c4c50e",
+      "account": "0x2e04aF48d11F4E505F09e253B119BfDa6772df54",
+      "nonce": 49
+    }
+  ],
+  "bundleHash": "0x4eadbcc3ff4d1369cb04d8d4eecd2922136712d9b2482b646dda10ea05b508d9"
+}
+Bundle included in block
+Bundle stats: {
+  "isHighPriority": true,
+  "isSentToMiners": false,
+  "isSimulated": true,
+  "simulatedAt": "2024-11-19T02:13:11.688Z",
+  "submittedAt": "2024-11-19T02:13:11.672Z"
+}
+```
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