🚧
This function is only available for EVM-based chains: Ethereum , Polygon , Avalanche and Binance Smart Chain.

Request Endpoint: reference

This endpoint allows you to read contract functions. This function is only available for EVM-based chains.

POST /api/contracts/read

Parameter	Param Type	Description	Data Type	Mandatory
`secretType`	Body	On which blockchain the contract exists	String	✅
`contractAddress`	Body	The contract address that you want to read	String	✅
`functionName`	Body	The contract function that you want to call	String	✅
`inputs`	Body	TArray of inputs needed to call the function	Array	✅
inputs.`type`	Body	Type of the input parameter (ex. uint256)	String	✅
inputs.`value`	Body	Value of the input parameter. This needs to be passed as a string value	Object	✅
`outputs`	Body	An array of expected outputs	Array	✅
outputs.`type`	Body	Type of output	String	✅

Examples

1. Get balance of

This example will get the balance of a certain NFT for a specific wallet.

POST https://api-wallet.venly.io/api/contracts/read

Request Body:

{
    "secretType": "MATIC",
    "walletAddress": "0x0000000000000000000000000000000000000000",
    "contractAddress": "0xE80F3baA739c18fd4eBf97716529a4b85BE464Dd",
    "functionName": "balanceOf",
    "inputs": [
        {
            "type": "address",
            "value": "0x427d0addaa77d8bb871dbea3458dea4b5198730c"
        },
        {
            "type": "uint256",
            "value": "202"
        }
    ],
    "outputs": [
        {
            "type": "uint256"
        }
    ]
}

Response Body:

{
    "success": true,
    "result": [
        {
            "type": "uint256",
            "value": 1
        }
    ]
}

2. Get Mint Number

This example will get the mint number for a specific NFT.

POST https://api-wallet.venly.io/api/contracts/read

Request Body:

{
    "secretType": "MATIC",
    "walletAddress": "0x0000000000000000000000000000000000000000",
    "contractAddress": "0xf86013ac3a23d26efb3337b4d63de6e6ec2a9861",
    "functionName": "mintNumber",
    "inputs": [
        {
            "type": "uint256",
            "value": "51"
        }
    ],
    "outputs": [
        {
            "type": "uint256"
        }
    ]
}

Response Body:

{
    "success": true,
    "result": [
        {
            "type": "uint256",
            "value": 2
        }
    ]
}

3. Get Contract URI

This example will fetch the contract URI, which contains the metadata, for a specific contract.

POST https://api-wallet.venly.io/api/contracts/read

Request Body:

{
    "secretType": "MATIC",
    "walletAddress": "0x0000000000000000000000000000000000000000",
    "contractAddress": "0x8c53de6a889cf0a3151168c3e84263c982d09a2f",
    "functionName": "contractURI",
    "outputs": [
        {
            "type": "string"
        }
    ]
}

Response Body:

{
    "success": true,
    "result": [
        {
            "type": "string",
            "value": "https://metadata.arkane.network/api/apps/0ed3a778-4f11-4cdf-b3cc-45f3225a9065/contracts/76/metadata"
        }
    ]
}