Ganache-CLI以太坊私网JSON-RPC接口大全：从入门到精通 - 指南

1. 账户相关接口

eth_accounts - 获取账户列表

{"jsonrpc": "2.0","method": "eth_accounts","params": [],"id": 1
}

输出示例：

{"jsonrpc": "2.0","id": 1,"result": ["0x90F8bf6A479f320ead074411a4B0e7944Ea8c9C1","0xFFcf8FDEE72ac11b5c542428B35EEF5769C409f0"]
}

字段解释：

• jsonrpc: JSON-RPC 版本号
• id: 请求标识符
• result: 账户地址数组，每个地址都是20字节的十六进制字符串

eth_getBalance - 查询余额

{"jsonrpc": "2.0","method": "eth_getBalance","params": ["0xC29056169F9A933cfAF02d1d997356e3D6656584", "latest"],"id": 1
}

输出示例：

{"jsonrpc": "2.0","id": 1,"result": "0x56bc75e2d63100000"
}

字段解释：

• result: 余额值，以wei为单位的十六进制数
• wei转换: 1 ETH = 10^18 wei
• 示例值: 0x56bc75e2d63100000 = 100 ETH

eth_getTransactionCount - 获取交易数量

{"jsonrpc": "2.0","method": "eth_getTransactionCount","params": ["0xC29056169F9A933cfAF02d1d997356e3D6656584", "latest"],"id": 1
}

输出示例：

{"jsonrpc": "2.0","id": 1,"result": "0x5"
}

字段解释：

• result: 账户发出的交易总数（nonce值）
• 用途: 防止重放攻击，每笔交易必须有唯一的nonce

2. 交易相关接口

eth_sendTransaction - 发送交易

{"jsonrpc": "2.0","method": "eth_sendTransaction","params": [{"from": "0xC29056169F9A933cfAF02d1d997356e3D6656584","to": "0xefBFb91d702DBDa726d2d0949d0cafA3a56F2f98","value": "0x8ac7230489e80000","gas": "0x5208","gasPrice": "0x4a817c800","data": "0x"}],"id": 1
}

输出示例：

{"jsonrpc": "2.0","id": 1,"result": "0x88df016429689c079f3b2f6ad39fa052532c56795b733da78a91ebe6a713944b"
}

字段解释：

• result: 交易哈希，32字节的十六进制字符串
• 交易参数:
  • from: 发送方地址
  • to: 接收方地址
  • value: 转账金额（wei）
  • gas: Gas限制
  • gasPrice: Gas价格（wei）
  • data: 合约调用数据

eth_getTransactionByHash - 根据哈希查询交易

{"jsonrpc": "2.0","method": "eth_getTransactionByHash","params": ["0x88df016429689c079f3b2f6ad39fa052532c56795b733da78a91ebe6a713944b"],"id": 1
}

输出示例：

{