Certificate

Get Smart Contract list

Retrieves all smart contract records for an organization.

GET

API_URL/api/certificate/get-smart-contract

HEADERS

client_id   9b16ae5638534ae1961fb370f874b6cc

client_secret   sk_9b16ae5638534ae1961fb370f874b6cc

content-type   application/json

Sample result

{
    "status": 200,
    "result": [
        {
            "transactionHash" : "0xf519ba69ba0e60351...."
            "contract_address": "0xab3379af6e256063b....",
        },
        {
            "transactionHash" : "0xf519ba6s85786f5ad1..."
            "contract_address": "0x49DbCCC560CE46A582...",
        }
    ]
}

Get Smart Contract by contract address

Retrieves all smart contract records for an organization.

GET

API_URL/api/certificate/get-smart-contract/{id}

HEADERS

client_id   9b16ae5638534ae1961fb370f874b6cc

client_secret   sk_9b16ae5638534ae1961fb370f874b6cc

content-type   application/json

Sample result

{
    "status": 200,
    "result": {
        "transactionHash" : "0xf519ba69ba0e603583e0e...."
        "contract_address": "0xab3379af6e256063b92B8...",
        "name": "Maschain",
        "symbol": "MEI"
        "logo" : "image.pdf"
    },
}

Create Smart Contract

Create New Certificate Smart Contract to MasChain with fields. You may also create this smart contract in the portal.

POST

API_URL/api/certificate/create-smartcontract

HEADERS

client_id   9b16ae5638534ae1961fb370f874b6cc

client_secret   sk_9b16ae5638534ae1961fb370f874b6cc

content-type   application/json

BODY

Name	Type	Required
wallet_address	string	Yes
name	string	Yes
field	object	Yes
callback_url	string	No
image	string	No

• wallet_address is used to deploy this smart contract and it can set a different or separate owner for this contract in the ownerAddress field. Be careful to set a proper owner address.
• name is just to give a nickname for the smart contract.
• field is an object that contains the required properties to create this smart contract.
  • wallet_address_owner : owner of the smart contract
  • max_supply : Total maximum supply of certificates ( max 2^256 ) *Put 0 for unlimited supply
  • name : Name of the certificate
  • symbol : Symbol of the certificate
• image A base64 image with max size of 0.5mb
• callback_url response after data is minted into blockchain

**IMPORTANT : Only Owner can mint certificates

Sample request

{
    "wallet_address":"0x3423BF219008A8D6b644b79.....", //Address used to deploy this contract
    "name" : "NFT2", //Contract Nickname
    "field":{
        "wallet_address_owner":"0x3423BF219008A8D6b644b79.....", //Owner of the Certificate contract
        "max_supply":1000, //Maximum supply 
        "name":"MasChain", //Name of Certificate
        "symbol":"MT" //Certificate Symbol
    },
    "image": "data:image/jpeg;base64,/9j/4AAQSkZJRgABAQAA..."
    "callback_url": "https://postman-echo.com/post?"
}

Sample result

{
    "status": 200,
    "result": {
        "status": "pending",
        "transactionHash": "0xf519ba69ba0e603583e0e885786f5ad1...."
    }
}

Sample Callback Success response

{
    "status": 200,
    "result": {
        "transactionHash": "0xf519ba69ba0e603583e0e885786f5ad1...",
        "nonce": 752,
        "from": "0x147f20a28739da15419AdC0...",
        "status": "success"
        "receipt" : { Transaction Receipt Object }
    }
}

Sample Callback Fail response

{
    "status": 200,
    "result": {
        "transactionHash": "0xf519ba69ba0e603583e0e885786f5ad1...",
        "nonce": 752,
        "from": "0x147f20a28739da15419AdC0...",
        "status": "failed"
        "message": "Error message"
    }
}

Mint Certificate

Mint Certificate by contract_address and storing it in MasChain.

POST

API_URL/api/certificate/mint-certificate

HEADERS

client_id   9b16ae5638534ae1961fb370f874b6cc

client_secret   sk_9b16ae5638534ae1961fb370f874b6cc

content-type   multipart/form-data

body   form-data

BODY ( form-data )

Name	Type	Required
wallet_address	string	Yes
to	string	Yes
contract_address	string	Yes
file	file	Yes
attributes	json	No
name	string	Yes
description	string	Yes
callback_url	string	Yes

NOTE : Attributes fields can be empty or many

wallet_address        : 0x3423BF219008A8D6b644b79.....
to                    : 0xbD8992F758B4429b92D1Afc1b53aB5Bc16bD8475
contract_address      : 0xb988C69344505faf6F804A7bfcC7c81FdFb59B4c
file                  : upload an image
attributes            : [{"trait":"New Cert","value":"10001"},{"Student":"yes","value":"Chan"}]
name                  : NFT CERT
description           : NFT CERT
callback_url           : https://your.domain/

• wallet_address must be the owner of the smart contract.
• to is the receiver of the certificate.
• contract_address is the certificate contract address.
• attributes is the additional attribute of a certificate being minted. Could be none and not required. Also no limitation.
• name name of the certificate being minted.
• file max size of 1mb
• description description of the certificate being minted.
• callback_url response after data is minted into blockchain

Sample result

{
    "status": 200,
    "result": {
        "nft_token_id": 17,
        "transactionHash": "0xf519ba69ba0e603583e0e885786f5ad1...",
        "nonce": 752,
        "from": "0x147f20a28739da15419AdC0...",
        "receiver_wallet_address": "0x147f20a28739da15419AdC0...",
        "organisation_id": 2,
        "certificate": "https://storage.maschain.con/....../metadata/1.json",
        "certificate_image": "https://storage.maschain.con/....../image/example_image.pdf",
        "status": "pending"
    }
}

Sample Callback Success response

{
    "status": 200,
    "result": {
        "transactionHash": "0xf519ba69ba0e603583e0e885786f5ad1...",
        "nonce": 752,
        "from": "0x147f20a28739da15419AdC0...",
        "status": "success"
        "receipt" : { Transaction Receipt Object }
    }
}

Sample Callback Fail response

{
    "status": 200,
    "result": {
        "transactionHash": "0xf519ba69ba0e603583e0e885786f5ad1...",
        "nonce": 752,
        "from": "0x147f20a28739da15419AdC0...",
        "status": "failed"
        "message": "Error message"
    }
}

Transfer Certificate

Transfer your certificate to another wallet

POST

API_URL/api/certificate/transfer-certificate

HEADERS

client_id   9b16ae5638534ae1961fb370f874b6cc

client_secret   sk_9b16ae5638534ae1961fb370f874b6cc

content-type   multipart/form-data

body   form-data

BODY

Name	Type	Required
wallet_address	string	Yes
to	string	Yes
nft_id	string	Yes
contract_address	string	Yes
callback_url	string	Yes

Sample request

{
    "wallet_address":"0x147f20a28739da1.....",
    "to":"0xbD8992F758B4429b92D1Af....",
    "contract_address":"0x4175a3EE7fbD167EAd1a.....",
    "nft_id": "1",
    "callback_url": "https://postman-echo.com/post?"
}

Sample result

{
    "status": 200,
    "result": {
        "nft_token_id": 17,
        "transactionHash": "0xf519ba69ba0e603583e0e885786f5ad1...",
        "nonce": 1,
        "from": "0x147f20a28739da1...",
        "receiver_wallet_address": "0xbD8992F758B4429b92D1Af...",
        "organisation_id": 2,
        "certificate": "https://storage.maschain.con/....../metadata/1.json",
        "certificate_image": "https://storage.maschain.con/....../image/example_image.pdf",
        "status": "pending"
    }
}

Get Certificate

Get Certificate details. Parameter can be null.

GET

API_URL/api/certificate/get-certificate?from={address}&to={address}&contract_address={address}&transaction_id={tx_id}&status={status}

HEADERS

client_id   9b16ae5638534ae1961fb370f874b6cc

client_secret   sk_9b16ae5638534ae1961fb370f874b6cc

content-type   application/json

Params

Name	Required
from	No
to	No
contract_address	No
tx_id	No
status	No

from                  : 0x3PLABF2maSAE8D6Fb6g4edf.....
to                    : 0x3423BF219008A8D6b644b79.....
contract_address      : 0xb988C69344505faf....
tx_id                 : 0x3b1d66bd24a7614db9....
status                : success or fail or pending , default success

Sample result

{
    "status": 200,
    "result": [
        {
            "from_wallet": "0xeC986877959353dD4...",
            "to_wallet": "0xD6C0868b79A0Fcb50...",
            "is_mint": 1,
            "blockNumber": 2805251,
            "nft_token_id": 1,
            "transactionHash": "0x19801b1d1fad1ce549b9a8af239ed865cd1a0ecb1bf65824651c26735e82d1c2",
            "certificate_image_file": null,
            "certificate_file": "1.json",
            "created_at": "2024-07-27T06:30:40.000000Z",
            "token": {
                "contract_address": "0x5DFE5cbC5E56E7....",
                "name": "Chain",
                "symbol": "CC",
                "logo": "0e8951ba31014bdfbb9fa62e4b6b8ad720240727212548.png"
            }
        },
    ]
}

Get Certificate Transactions

Get success Certificate Transactions

GET

API_URL/api/token/get-certificate-transaction

HEADERS

client_id   9b16ae5638534ae1961fb370f874b6cc*

client_secret   sk_9b16ae5638534ae1961fb370f874b6cc*

content-type   application/json

Params

Name	Type	Required	Description
wallet_address	string	Yes
contract_address	string	Yes
filter	string	Yes	"to" , "from" or "to|from"
status	string	No	"success" , "pending" or "fail" , default return all status

Sample result

{
    "status": 200,
    "result": [
        {
            "to": "0xED7cfE6FaBA7070Ae4ed2A...",
            "from": "0x6C8C08029D80445DF1...",
            "blockNumber": 2769746,
            "transactionHash": "0x1165c4353bc030205a203f100b6...",
            "method": "mint",
            "token": {
                "contract_address": "0x0d4987628e0a736...",
                "name": "Certificate",
                "symbol": "CERT"
            },
            "timestamp": "2024-07-24T19:20:09.000000Z"
        }
    ],
    "pagination": {
        "current_page": 1,
        "first_page_url": "/api/get-token-transaction?page=1",
        "last_page": 1,
        "last_page_url": "/api/get-token-transaction?page=1",
        "next_page_url": null,
        "per_page": 20,
        "prev_page_url": null,
        "total": 1
    }
}

Transfer Contract Ownership

Transfer smart contract ownership to another wallet address

POST

API_URL/api/certificate/owner-transfer

HEADERS

client_id   9b16ae5638534ae1961fb370f874b6cc*

client_secret   sk_9b16ae5638534ae1961fb370f874b6cc*

content-type   application/json

BODY

Name	Type	Required
wallet_address	string	Yes
to	string	Yes
contract_address	string	Yes
callback_url	string	No

Sample request

{
    "wallet_address":"0x147f20a28739da1.....",
    "to":"0xbD8992F758B4429b92D1Af....",
    "contract_address":"0x4175a3EE7fbD167EAd1a.....",
    "callback_url": "https://postman-echo.com/post?"
}

Sample result

{
    "status": "success",
    "result": {
        "requestId": "118628",
        "from": "0xC5477130AB175674ce.....",
        "nonce": 4,
        "transactionHash": "0x5ce8fd99c9a1656d0c1005a36e8073ca1568d3dc....",
        "status": 1
    }
}