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Moving provider content around

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Jamie Hewitt 2023-05-23 16:07:18 +03:00
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# APIs

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# Aquarius # Aquarius
### Postman documentation ### Postman documentation
Click [here](https://documenter.getpostman.com/view/2151723/UVkmQc7r) to explore the documentation and more examples in postman. Click [here](https://documenter.getpostman.com/view/2151723/UVkmQc7r) to explore the documentation and more examples in postman.

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# Get Requests # Get Requests
### nonce endpoint
#### GET /api/services/nonce
Parameters
```
userAddress: String object containing a user's ethereum address
```
Returns: Json object containing the last-used nonce value. The nonce endpoint is just informative, use the current UTC timestamp as a nonce, where required in other endpoints.
Example:
```
GET /api/services/nonce?userAddress=0x990922334
```
Response:
```json
{
"nonce": 23
}
```
#### Javascript Example
```runkit nodeVersion="18.x.x"
const axios = require('axios')
const response = await axios( `https://v4.provider.oceanprotocol.com/api/services/nonce?userAddress=0x0db823218e337a6817e6d7740eb17635deadafaf`)
console.log(response.status)
console.log(response.data)
```
### Encrypt endpoint
#### GET /api/services/encrypt
Body: binary application/octet-stream
Returns: Bytes string containing the encrypted document.
Example:
```
POST /api/services/encrypt
body: b'\xfd7zXZ\x00\x00\x04\xe6\xd6\xb4F\ ... \x00\x04YZ'
```
Response:
```
b'0x04b2bfab1f4e...7ed0573'
```
#### Javascript Example
```runkit nodeVersion="18.x.x"
const fetch = require('cross-fetch')
const data = "test"
const response = await fetch('https://v4.provider.oceanprotocol.com/api/services/encrypt?chainId=1', {
method: 'POST',
body: JSON.stringify(data),
headers: { 'Content-Type': 'application/octet-stream' }
})
console.log(response)
```
#### GET /api/services/initialize
Parameters
```
documentId: String object containing document id (e.g. a DID)
serviceId: String, ID of the service the datatoken is attached to
consumerAddress: String object containing consumer's address
environment: String representing a compute environment offered by the provider
validUntil: Integer, date of validity of the service (optional)
fileIndex: Integer, the index of the file from the files list in the dataset. If set, provider will validate the file access. (optional)
```
Returns: Json document with a quote for amount of tokens to transfer to the provider account.
Example:
```
GET /api/services/initialize
payload:
{
"documentId":"0x1111",
"serviceId": 0,
"consumerAddress":"0x990922334",
}
payload (with optional parameters):
{
"documentId":"0x1111",
"serviceId": 0,
"consumerAddress":"0x990922334",
"validUntil": 1578004800,
"fileIndex": 1
}
```
Response:
```json
{
"datatoken": "0x21fa3ea32892091...",
"nonce": 23,
"providerFee": {
"providerFeeAddress": "0xabc123...",
"providerFeeToken": "0xabc123...",
"providerFeeAmount": "200",
"providerData": "0xabc123...",
"v": 27,
"r": "0xabc123...",
"s": "0xabc123...",
"validUntil": 123456,
},
"computeAddress": "0x8123jdf8sdsa..."
}
```
### Download endpoint
#### GET /api/services/download
Parameters
```
documentId: String object containing document id (e.g. a DID)
serviceId: String, representing the list of `file` objects that describe each file in the dataset
transferTxId: Hex string -- the id of on-chain transaction for approval of datatokens transfer
given to the provider's account
fileIndex: integer, the index of the file from the files list in the dataset
nonce: Nonce
consumerAddress: String object containing consumer's address
signature: String object containg user signature (signed message)
```
Returns: File stream. Retrieves the attached asset files.
Example:
```
GET /api/services/download
payload:
{
"documentId":"0x1111",
"serviceId": 0,
"fileIndex": 0,
"datatoken": "",
"consumerAddress":"0x990922334",
"signature":"0x00110011",
"transferTxId": "0xa09fc23421345532e34829"
```
Response:
```json
{
"": ""
}
```

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# Post Requests # Post Requests
### Decrypt endpoint
#### POST /api/services/decrypt
Parameters
```
decrypterAddress: String object containing the address of the decrypter (required)
chainId: the chain id of the network the document is on (required)
transactionId: the transaction id of the encrypted document (optional)
dataNftAddress: the address of the data nft (optional)
encryptedDocument: the encrypted document (optional)
flags: the flags of the encrypted document (optional)
documentHash: the hash of the encrypted document (optional)
nonce: the nonce of the encrypted document (required)
signature: the signature of the encrypted document (required)
```
Returns: Bytes string containing the decrypted document.
Example:
```
POST /api/services/decrypt
payload: {
'decrypterAddress':'0xA78deb2Fa79463945C247991075E2a0e98Ba7A09'
'chainId':8996
'dataNftAddress':'0xBD558814eE914800EbfeF4a1cbE196F5161823d9'
'encryptedDocument':'0xfd377a585a0...f07afef7dc214'
'flags': 1
'documentHash':'0x0cb38a7bba49758a86f8556642aff655d00e41da28240d5ea0f596b74094d91f'
'nonce':'1644315615.24195'
'signature':'0xd6f27047853203824ab9e5acef87d0a501a64aee93f33a83b6f91cbe8fb4489824defceaccde91273f41290cb2a0c15572368e8bea0b456c7a653659cad7de311b'
}
```
Response:
```
b'{"@context": ["https://w3id.org/did/v1"], "id": "did:op:0c184915b07b44c888d468be85a9b28253e80070e5294b1aaed81c ...'
```
### File info endpoint
#### POST /api/services/fileinfo
Retrieves Content-Type and Content-Length from the given URL or asset.
Parameters
For published assets:
```
{
did: String, DID of the dataset
serviceId: String, ID of the service
}
```
For file objects,see https://docs.oceanprotocol.com/core-concepts/did-ddo#files
If checksum is requests, file size should be lower < MAX\_CHECKSUM\_LENGTH (see Provider ENVs) If file is larger, checksum WILL NOT be computed.
Returns: Json document file info object
Example:
```
POST /api/services/fileinfo
payload:
{
"did":"0x1111",
"serviceId": "0",
}
```
Response:
```json
[
{
"contentLength":"1161",
"contentType":"application/json",
"index":0,
"valid": true
},...
]
```