callContract()

Call a smart contract function and get the output

Method Signature

def callContract(self, blockchain, sender, address, request)

Parameters

Name	Type	Description
blockchain	string or hexadecimal	Blockchain address
sender	string or hexadecimal	User's wallet address
address	string or hexadecimal	Smart Contract's address
Request	string	Requested function in string format (include the parenthesis and the semicolumn e.g. CRC_Contract.__GetContractName();).

Example

from circular_protocol_api import CircularProtocolAPI

blockhain = 0x8a20baa40c45dc5055aeb26197c203e576ef389d9acb171bd62da11dc5ad72b2
sender = 0x8b20bda40c45dc2908aeb26197c203e576ef389d9acb171bd62da15af5ad72b4
contract_address = 0x2f0bda40c45dc2908aeb26197c203e576ef389aacb171bd62da15af5ad72b1
request = "CRC_Contract.__GetContractName();"

circular = CircularProtocolAPI()
result = circular.callContract(blockchain, sender, contract_address, request)

Result

200

{
    "Result": 200,
    "Response": "7b20225f506572666f726d616e636522203a2022487970657220436f646520457865637574696f6e2054696d653a20313130307573222c200a0a225f436f6e736f6c655f4f757470757422203a202235343635373337343230373336643631373237343230363336663665373437323631363337343061227d",
    "Node": "7bb5bd50729d6857942701d5673ea70ca1625f883230d8543970a452d1abe1c4"
}

Remember to convert the response from Hex to String if you want to get the result in plain text.

117

Wrong function call. Remember to pass the request in Hex format as shown in the body section or to verify that the smart contract address is the right one.

{
    "Result": 117,
    "Response": "4552524f523a57726f6e672046756e6374696f6e2043616c6c3a200a",
    "Node": "7bb5bd50729d6857942701d5673ea70ca1625f883230d8543970a452d1abe1c4"
}