立即执行消息调用,而不在区块链上创建交易。即triggerConstantContract
参数
- Object - transaction对象, 包含的元素如下:
名称 | 数据类型 | 描述 |
---|---|---|
from | DATA, 20 Bytes | Caller address |
to | DATA, 20 Bytes | Contract address |
gas | QUANTITY | Not supported. The value is 0x0 |
gasPrice | QUANTITY | Not supported. The value is 0x0 |
value | QUANTITY | Not supported. The value is 0x0 |
data | DATA | Hash of the method signature and encoded parameters. |
- QUANTITY|TAG - 目前仅支持"latest"
返回值
DATA - 执行合约函数的返回结果
示例
curl -X POST '47.95.206.44:50545/jsonrpc' --data '{
"jsonrpc": "2.0",
"method": "eth_call",
"params": [{
"from": "0x41F0CC5A2A84CD0F68ED1667070934542D673ACBD8",
"to": "0x4170082243784DCDF3042034E7B044D6D342A91360",
"gas": "0x0",
"gasPrice": "0x0",
"value": "0x0",
"data": "0x70a08231000000000000000000000041f0cc5a2a84cd0f68ed1667070934542d673acbd8"
}, "latest"],
"id": 1
}'
结果
{"jsonrpc":"2.0","id":1,"result":"0x"}