{
    "comment": "direct builtin function call",
    "steps": [
        {
            "step": "setState",
            "accounts": {
                "address:A": {
                    "nonce": "0",
                    "dct": {
                        "str:TOK-123000": "150"
                    }
                },
                "address:B": {
                    "nonce": "0",
                    "balance": "0"
                }
            }
        },
        {
            "step": "scCall",
            "id": "1",
            "tx": {
                "from": "address:A",
                "to": "address:B",
                "function": "DCTTransfer",
                "arguments": [
                    "str:TOK-123000",
                    "100"
                ],
                "gasLimit": "50,000,000",
                "gasPrice": "0"
            },
            "expect": {
                "out": [],
                "logs": [
                    {
                        "address": "address:A",
                        "endpoint": "str:DCTTransfer",
                        "topics": [
                            "str:TOK-123000",
                            "",
                            "100",
                            "address:B"
                        ],
                        "data": ""
                    }
                ],
                "gas": "*",
                "refund": "*"
            }
        },
        {
            "step": "checkState",
            "accounts": {
                "address:A": {
                    "nonce": "1",
                    "balance": "0",
                    "dct": {
                        "str:TOK-123000": "50"
                    },
                    "storage": {},
                    "code": ""
                },
                "address:B": {
                    "nonce": "0",
                    "balance": "0",
                    "dct": {
                        "str:TOK-123000": "100"
                    },
                    "storage": {},
                    "code": ""
                }
            }
        },
        {
            "step": "transfer",
            "id": "2",
            "tx": {
                "from": "address:A",
                "to": "address:B",
                "dctValue": [
                    {
                        "tokenIdentifier": "str:TOK-123000",
                        "value": "50"
                    }
                ]
            }
        },
        {
            "step": "checkState",
            "accounts": {
                "address:A": {
                    "nonce": "2",
                    "balance": "0",
                    "dct": {
                        "str:TOK-123000": "0"
                    },
                    "storage": {},
                    "code": ""
                },
                "address:B": {
                    "nonce": "0",
                    "dct": {
                        "str:TOK-123000": "150"
                    },
                    "storage": {},
                    "code": ""
                }
            }
        }
    ]
}