getInclusionStates - 获取一组交易的确认状态
使用getInclusionStates
调用获取一组交易的包含状态。这个API
确定交易是否被网络确认(以有效里程碑为参照)。
你可以搜索多个tips来获取交易的历史包含状态。
注意:只有当节点同步后,该调用才会返回数据。
调用参数
- transactions:要查询的交易哈希数组,必须
- tips:用于参照的tips数组,必须,可以为空数组
返回结果
getInclusionStates
调用返回一个JSON对象,结构如下:
- states:状态布尔数组,次序与transactions参数一致。true表示 对应的交易已经被网络确认。
- duration:请求执行用时,单位:毫秒
调用成功的HTTP状态码为200,响应示例如下:
{
"states": [true, true],
"duration": 726
}
调用失败的HTTP状态码为400,响应示例如下:
{
"error": "'command' parameter has not been specified"
}
示例代码
Python
import urllib2
import json
command = {
"command": "getInclusionStates",
"transactions": [
"P9KFSJVGSPLXAEBJSHWFZLGP9GGJTIO9YITDEHATDTGAFLPLBZ9FOFWWTKMAZXZHFGQHUOXLXUALY9999",
"P9KFSJVGSPLXAEBJSHWFZLGP9GGJTIO9YITDEHATDTGAFLPLBZ9FOFWWTKMAZXZHFGQHUOXLXUALY9999"
],
"tips": [
"P9KFSJVGSPLXAEBJSHWFZLGP9GGJTIO9YITDEHATDTGAFLPLBZ9FOFWWTKMAZXZHFGQHUOXLXUALY9999",
"P9KFSJVGSPLXAEBJSHWFZLGP9GGJTIO9YITDEHATDTGAFLPLBZ9FOFWWTKMAZXZHFGQHUOXLXUALY9999"
]
}
stringified = json.dumps(command)
headers = {
'content-type': 'application/json',
'X-IOTA-API-Version': '1'
}
request = urllib2.Request(url="http://localhost:14265", data=stringified, headers=headers)
returnData = urllib2.urlopen(request).read()
jsonData = json.loads(returnData)
print jsonData
Node.js
var request = require('request');
var command = {
"command": "getInclusionStates",
"transactions": [
"P9KFSJVGSPLXAEBJSHWFZLGP9GGJTIO9YITDEHATDTGAFLPLBZ9FOFWWTKMAZXZHFGQHUOXLXUALY9999",
"P9KFSJVGSPLXAEBJSHWFZLGP9GGJTIO9YITDEHATDTGAFLPLBZ9FOFWWTKMAZXZHFGQHUOXLXUALY9999"
],
"tips": [
"P9KFSJVGSPLXAEBJSHWFZLGP9GGJTIO9YITDEHATDTGAFLPLBZ9FOFWWTKMAZXZHFGQHUOXLXUALY9999",
"P9KFSJVGSPLXAEBJSHWFZLGP9GGJTIO9YITDEHATDTGAFLPLBZ9FOFWWTKMAZXZHFGQHUOXLXUALY9999"
]
}
var options = {
url: 'http://localhost:14265',
method: 'POST',
headers: {
'Content-Type': 'application/json',
'X-IOTA-API-Version': '1',
'Content-Length': Buffer.byteLength(JSON.stringify(command))
},
json: command
};
request(options, function (error, response, data) {
if (!error && response.statusCode == 200) {
console.log(data);
}
});
命令行
curl http://localhost:14265 \
-X POST \
-H 'Content-Type: application/json' \
-H 'X-IOTA-API-Version: 1' \
-d '{
"command": "getInclusionStates",
"transactions": [
"P9KFSJVGSPLXAEBJSHWFZLGP9GGJTIO9YITDEHATDTGAFLPLBZ9FOFWWTKMAZXZHFGQHUOXLXUALY9999",
"P9KFSJVGSPLXAEBJSHWFZLGP9GGJTIO9YITDEHATDTGAFLPLBZ9FOFWWTKMAZXZHFGQHUOXLXUALY9999"
],
"tips": [
"P9KFSJVGSPLXAEBJSHWFZLGP9GGJTIO9YITDEHATDTGAFLPLBZ9FOFWWTKMAZXZHFGQHUOXLXUALY9999",
"P9KFSJVGSPLXAEBJSHWFZLGP9GGJTIO9YITDEHATDTGAFLPLBZ9FOFWWTKMAZXZHFGQHUOXLXUALY9999"
]
}'