Macro parables_testing::wei

macro_rules! wei {
    ($value:tt) => { ... };
    ($value:tt mwei) => { ... };
    ($value:tt kwei) => { ... };
    ($value:tt gwei) => { ... };
    ($value:tt szabo) => { ... };
    ($value:tt finney) => { ... };
    ($value:tt ether) => { ... };
    ($value:tt eth) => { ... };
}

Convert the given argument into wei.