import EthUtils from './utils/eth_utils'
import AbiManager from './utils/abi_manager'

class @contract {

@constructor

    private _ethUtils: EthUtils
    private _contractAddress: string
    private _version: number = null

    constructor(ethUtils: EthUtils, address: string) {
        this._ethUtils = ethUtils
        this._contractAddress = address
    }

@functions

    private async _getAbi(): Promise<any> {
        let version = await this._getVersion()
        return AbiManager.getAbiAndBytecode('@contract', version).abi
    }

    private async _getVersion(): Promise<number> {
        if (this._version == null) {
            let abi = AbiManager.getAbiAndBytecode('Version').abi
            this._version = await this._ethUtils.call(abi, this._contractAddress, this._contractAddress, '0', 'version', [])
        }
        return this._version
    }
}


export default @contract