example_erc20_gas

Function token_operation

Source 
pub fn token_operation<CTX, ERROR>(
    context: &mut CTX,
    sender: Address,
    recipient: Address,
    amount: U256,
) -> Result<(), ERROR>
where
    CTX: ContextTr,
    ERROR: From<InvalidTransaction> + From<InvalidHeader> + From<<CTX::Db as Database>::Error> + From<PrecompileError>,
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Helpers