isAvailable
Check if the second-level domain is available. The expired domain names can be re-registered. If the root does not exist, an error message is thrown.
Parameters#
| Name | Type | Description | Required |
|---|---|---|---|
| name | String | The second-level domain, e.g. "test.neo" | Required |
Example#
Request body #1
curl --request POST \ --url http://seed1t4.neo.org:20332/ \ --header 'Content-Type: application/json' \ --data '{ "jsonrpc": "2.0", "method": "invokefunction", "params": [ "0x152fa9ceeb2c83f40e3d3d6da6c1f8898dd4891a", "isAvailable", [{"type":"String","value":"t5.neo"}]], "id": 1}'Response body #1
{ "jsonrpc": "2.0", "id": 1, "result": { "script": "DAZ0NS5uZW8RwB8MC2lzQXZhaWxhYmxlDBQaidSNifjBpm09PQ70gyzrzqkvFUFifVtS", "state": "HALT", "gasconsumed": "875181", "exception": null, "stack": [ { "type": "Boolean", "value": false } ] }}Request body #2
curl --request POST \ --url http://seed1t4.neo.org:20332/ \ --header 'Content-Type: application/json' \ --data '{ "jsonrpc": "2.0", "method": "invokefunction", "params": [ "0x152fa9ceeb2c83f40e3d3d6da6c1f8898dd4891a", "isAvailable", [{"type":"String","value":"test.neo"}]], "id": 1}'Response body #2
{ "jsonrpc": "2.0", "id": 1, "result": { "script": "DAh0ZXN0Lm5lbxHAHwwLaXNBdmFpbGFibGUMFBqJ1I2J+MGmbT09DvSDLOvOqS8VQWJ9W1I=", "state": "HALT", "gasconsumed": "1228476", "exception": null, "stack": [ { "type": "Boolean", "value": true } ] }}Request body #3
curl --request POST \ --url http://seed1t4.neo.org:20332/ \ --header 'Content-Type: application/json' \ --data '{ "jsonrpc": "2.0", "method": "invokefunction", "params": [ "0x152fa9ceeb2c83f40e3d3d6da6c1f8898dd4891a", "isAvailable", [{"type":"String","value":"neo.test"}]], "id": 1}'Response body #3
{ "jsonrpc": "2.0", "id": 1, "result": { "script": "DAhuZW8udGVzdBHAHwwLaXNBdmFpbGFibGUMFBqJ1I2J+MGmbT09DvSDLOvOqS8VQWJ9W1I=", "state": "FAULT", "gasconsumed": "629298", "exception": "An unhandled exception was thrown. The root does not exist.", "stack": [] }}