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docs/developers/aquarius-rest-api.md
Ana Loznianu 648acaa967
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# Aquarius REST API
The universal Aquarius Endpoint is [`https://v4.aquarius.oceanprotocol.com`](https://v4.aquarius.oceanprotocol.com).
## Assets
### **Get** `/api/aquarius/assets/ddo/<did>`
* Description
Get DDO of a particular asset.
* Parameters
| name | description | type | in | required |
| ----- | ---------------- | ------ | ---- | -------- |
| `did` | DID of the asset | string | path | true |
* Example
```bash
curl --location --request GET 'https://v4.aquarius.oceanprotocol.com/api/aquarius/assets/ddo/did:op:cd086344c275bc7c560e91d472be069a24921e73a2c3798fb2b8caadf8d245d6'
```
* Responses
* 200
* content-type: json
* description: On successful operation returns DDO information.
* 404
* content-type: json
* description: This asset DID is not in ES.
* response body:
```
{
"error": "Asset DID <did> not found in Elasticsearch."
}
```
### **GET** `/api/aquarius/assets/metadata/<did>`
* Description
Get metadata of a particular asset.
* Parameters
| name | description | type | in | required |
| ----- | ---------------- | ------ | ---- | -------- |
| `did` | DID of the asset | string | path | true |
* Example
```bash
curl --location --request GET 'https://v4.aquarius.oceanprotocol.com/api/aquarius/assets/metadata/did:op:cd086344c275bc7c560e91d472be069a24921e73a2c3798fb2b8caadf8d245d6'
```
* Responses
* 200
* content-type: json
* description: successful operation.
* 404
* content-type: json
* description: This asset DID is not in ES.
* response body:
```
{
"error": "Error encountered while retrieving metadata: NotFoundError(404, '{\"_index\":\"aquarius\",\"_type\":\"_doc\",\"_id\":\"<did>\",\"found\":false}')."
}
```
### **POST** `/api/aquarius/assets/names`
* Description
Get names of assets as specified in the payload.
* Parameters
| name | description | type | in | required |
| --------- | ------------------ | ---- | ---- | -------- |
| `didList` | list of asset DIDs | list | body | true |
* Example
```bash
curl --location --request POST 'https://v4.aquarius.oceanprotocol.com/api/aquarius/assets/names' \
--header 'Content-Type: application/json' \
--data-raw '{
"didList" : ["did:op:cd086344c275bc7c560e91d472be069a24921e73a2c3798fb2b8caadf8d245d6"]
}'
```
* Responses
* 200
* content-type: json
* description: successful operation.
* response body:
```
{"did:op:cd086344c275bc7c560e91d472be069a24921e73a2c3798fb2b8caadf8d245d6": "Ocean CEX Aggregator: OHLC history for OCEAN/USDT "}
```
* 400
* content-type: json
* description: This asset DID is not in ES.
* response body:
```
{
"error": "The requested didList can not be empty."
}
```
### **POST** `/api/aquarius/assets/query`
* Description
Run a native ES query. Body must be a valid json object.
* Example
```bash
curl --location --request POST 'https://v4.aquarius.oceanprotocol.com/api/aquarius/assets/query' \
--header 'Content-Type: application/json' \
--data-raw '{
"query": {
"match_all": {}
}
}'
```
* Responses
* 200
* content-type: json
* 500
* description: elasticsearch exception
### **POST** `/api/aquarius/assets/ddo/validate`
* Description
Validate DDO content. Cosumes `application/octet-stream`
* Example
```bash
curl --location --request POST 'https://v4.aquarius.oceanprotocol.com/api/aquarius/assets/query/api/v1/aquarius/assets/ddo/validate' \
--header 'Content-Type: application/json' \
--data-raw '<json_body>'
```
* Valid body
```
{
"@context": ["https://w3id.org/did/v1"],
"id": "did:op:56c3d0ac76c02cc5cec98993be2b23c8a681800c08f2ff77d40c895907517280",
"version": "4.1.0",
"chainId": 1337,
"nftAddress": "0xabc",
"metadata": {
"created": "2000-10-31T01:30:00.000-05:00Z",
"updated": "2000-10-31T01:30:00.000-05:00",
"name": "Ocean protocol white paper",
"type": "dataset",
"description": "Ocean protocol white paper -- description",
"author": "Ocean Protocol Foundation Ltd.",
"license": "CC-BY",
"contentLanguage": "en-US",
"tags": ["white-papers"],
"additionalInformation": {"test-key": "test-value"},
"links": [
"http://data.ceda.ac.uk/badc/ukcp09/data/gridded-land-obs/gridded-land-obs-daily/",
"http://data.ceda.ac.uk/badc/ukcp09/data/gridded-land-obs/gridded-land-obs-averages-25km/",
"http://data.ceda.ac.uk/badc/ukcp09/"
]
},
"services": [
{
"id": "test",
"type": "access",
"datatokenAddress": "0xC7EC1970B09224B317c52d92f37F5e1E4fF6B687",
"name": "Download service",
"description": "Download service",
"serviceEndpoint": "http://172.15.0.4:8030/",
"timeout": 0,
"files": "encryptedFiles"
}
]
}
```
* Responses:
* 200
* description: successfully request.
* 400
* description: Invalid DDO format
* 500
* description: Error
### **POST** `/api/aquarius/assets/triggerCaching`
* Description
Manually triggers DDO caching based on a transacionId containing either MetadataCreated or MetadataUpdated event(s).
* Parameters
| name | description | type | in | required |
| --------------- | ------------------------------------ | ------ | ---- | -------- |
| `transactionId` | DID of the asset | string | path | true |
| `logIndex` | custom log index for the transaction | int | path | false |
* Example
```bash
curl --location --request POST 'https://v4.aquarius.oceanprotocol.com/api/aquarius/assets/triggerCaching' \
--header 'Content-Type: application/json' \
--data-raw '<json_body>'
```
* Valid body
```
{
"transactionId": "0x945596edf2a26d127514a78ed94fea86b199e68e9bed8b6f6d6c8bb24e451f27",
"logIndex": 0
}
```
* Responses:
* 200
* description: triggering successful, updated asset returned
* 400
* description: request issues: either log index not found, or neither of MetadataCreated, MetadataUpdated found in tx log
* 500
* description: Error
## Chains
### **GET** `/api/aquarius/chains/list`
* Description
Get chains list
* Example
```bash
curl --location --request GET 'https://v4.aquarius.oceanprotocol.com/api/aquarius/chains/list'
```
* Response
* 200
* Description: Successful request
* Body
```
{ "246": true, "3": true, "137": true,
"2021000": true, "4": true, "1": true,
"56": true, "80001": true, "1287": true
}
```
### **GET** `/api/aquarius/chains/status/{chain_id}`
* Description
Get index status for a specific chain\_id
* Example
```bash
curl --location --request GET 'https://v4.aquarius.oceanprotocol.com/api/aquarius/chains/status/137'
```
* Response
* 200
* Description: Successful request
* Body
```
{"last_block": 25198729}
```
## Others
### **GET** `/`
* Description
Get version, plugin, and software information.
* Example
```bash
curl --location --request GET 'https://v4.aquarius.oceanprotocol.com/'
```
* Response
* 200
* Description: Successful request
* Body
```
{
"plugin": "elasticsearch",
"software": "Aquarius",
"version": "4.2.0"
}
```
### **GET** `/health`
* Description
Get health status
* Example
```bash
curl --location --request GET 'https://v4.aquarius.oceanprotocol.com/health'
```
* Response
* 200
* Description: Successful request
* Body
```
Elasticsearch connected
```
### **GET** /spec
* Description
Get swagger spec
* Example
```bash
curl --location --request GET 'https://v4.aquarius.oceanprotocol.com/spec'
```
* Response
* 200
* Description: Successful request
### Postman documentation
Click [here](https://documenter.getpostman.com/view/2151723/UVkmQc7r) to explore the documentation and more examples in postman.
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