### 2. 調用JSON RPC方法
#### 標準JSON RPC方法
BSC Dedicate Node（Geth）的標準JSON RPC方法於Ethereum Geth完全兼容，具體調用方法請參考
#### 定製JSON RPC方法
BSC Dedicate Node（Geth）支持bundle模擬，方法名`eth_simulateBundles`，請求和返回示例如下：
**請求**
```
curl -X POST \
-H "Content-Type: application/json" \
-d '{
"jsonrpc": "2.0",
"id": 1,
"method": "eth_simulateBundles",
"params": [
[
{
"from": "0x03Ae1e3082dD5E338e8Ae8572A34bcdF8be40362",
"to": "0x55d398326f99059fF775485246999027B3197955",
"data": "0x18160ddd",
"gas": "0x100000"
}
],
"latest" // 指定模擬的區塊高度或狀態，latest表示最新已打包的區塊
]
}'
```
**返回**
```
{"jsonrpc":"2.0","id":1,"result":[{"return":"0x","gasUsed":21160}]}
```
```
{"jsonrpc":"2.0","id":1,"result":[{"return":"0x","gasUsed":21070,"revertReason":"execution reverted"}]}
```
```
{"jsonrpc":"2.0","id":1,"result":[{"return":"0x","gasUsed":0,"error":"err: intrinsic gas too low: have 0, want 21000 (supplied gas 0)"}]}
```
---
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