diff --git a/examples/erc20/src/lib.rs b/examples/erc20/src/lib.rs index 84674e4da7047e1861cf838f48ee1b67815b1909..5e22b0711671421963888c07e274f41df725273d 100644 --- a/examples/erc20/src/lib.rs +++ b/examples/erc20/src/lib.rs @@ -119,9 +119,9 @@ mod erc20 { if from_balance < value { return false } - self.balances.insert(from.clone(), from_balance - value); + self.balances.insert(from, from_balance - value); let to_balance = self.balance_of_or_zero(&to); - self.balances.insert(to.clone(), to_balance + value); + self.balances.insert(to, to_balance + value); self.env().emit_event(Transfer { from: Some(from), to: Some(to),