Function fund_channel

pub async fn fund_channel<P, N>(
    counterparty: Address,
    hopr_token: HoprTokenInstance<P, N>,
    hopr_channels: HoprChannelsInstance<P, N>,
    amount: U256,
) -> Result<()>
where
    P: Provider<N>,
    N: Network,

Funds the channel to the counterparty with the given amount of HOPR tokens. The amount must be present in the wallet of the client.