preCallContract

abstract fun preCallContract(contractAddress: String, data: String, payload: String = "0x", amount: Long = 0, joule: Long = 0): Receipt

预调用合约

Return

回执Receipt

Parameters

contractAddress

合约地址

data

合约data

payload

转账的交易备注

amount

转账的通证额度

joule

交易的手续费