/updateSmartContractFromPreview

Update an existing smart contract's functions from a parsed preview.

Requires admin user and an active MPC administrative session. FileHash and PreviewContentHash locate the cached file on the MCS and are included in the signed MPC body.

     ************** Request example **********************

        updateSmartContractFromPreview(
            existing_contract_address="CA7QYNF7SOWQ3GLR2BGMZEHXAVIRZA4KVWLTJJFC7MGXUA74P7UJVSGZ",
            contract_name="XLMMMFv2",
            coin_symbol="XLM",
            file_hash="3f786850e387550fdab836ed7e6dc881de23001b",
            preview_content_hash="c2f8a7e1b0d94a5c8f6e2d3b1a9c8e7f6d5c4b3a",
            description="XLM money market fund contract (adds revoke_role)",
            request_extra_data={}
          )


     ************** Response example *********************

                   {
            "FunctionData": {
                 "StatusCode": 0,
                 "StatusCodeDescription": "Success"
              },
            "Meta": {
                  "AccessToken": "58f08df6e369fa4d126e1ba5c7f66cf85c9c79df32d05fee8f3c542121c87cf5",
                  "Destination": "044fd7dc60304b8aceeb662ce41bf9d9cc132278c0871c0a72fb4f3cecbabb25a86e43ae28dab21a95c64e2db76abdcfffb9bfdeec67a21399cfa5f555f01d054b",
                  "Source": "be1f60e490b8ccabcc02a4595817b8edf45905d24944e87b8e3cae27f158df63843bfc4b09d37a5e752017b74ea2d136af272bea210f059e768e1ea8777aaf21e9",
                  "Time": "2025-10-19 15:04:13.129"
            }
        }
    
    


### Error Responses

| Error Type       | Http Code | GK8 error code | Reason / Description                                            | Example Response |
|------------------|-----------|----------------|-----------------------------------------------------------------|------------------|
| Backend Response | 400       | 1              | Coin not supported                                              | "StatusCode": 1  |
| Backend Response | 400       | 2              | Invalid contract address                                        | "StatusCode": 2  |
| Backend Response | 400       | 3              | Smart contract not found                                        | "StatusCode": 3, |
| Backend Response | 400       | 4              | Contract parse failed during cosigner handle()                  | "StatusCode": 4  |
| Backend Response | 400       | 5              | PARSED_PREVIEW_HASH_MISMATCH                                    | "StatusCode": 5  |
| Backend Response | 400       | 6              | Display name already exists (another contract on the same coin) | "StatusCode": 6  |
| Backend Response | 400       | 7              | Name already used by an existing contact                        | "StatusCode": 7  |