casper-types 0.6.3

Types used to allow creation of Wasm contracts and tests for use on the Casper network.
Documentation 
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use crate::{account::AccountHash, system_contract_errors::mint::Error, URef, U512};

/// Provides functionality of a system module.
pub trait SystemProvider {
    /// Records a transfer.
    fn record_transfer(
        &mut self,
        maybe_to: Option<AccountHash>,
        source: URef,
        target: URef,
        amount: U512,
        id: Option<u64>,
    ) -> Result<(), Error>;
}