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chore: seal extension traits (#1553) 

* chore: seal extension traits

* chore: fmt

Co-authored-by: Georgios Konstantopoulos <me@gakonst.com>
This commit is contained in:
Matthias Seitz 2022-08-03 00:28:02 +02:00 committed by GitHub
parent eb8cee0d2f
commit 550d2d86ef
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1 changed files with 13 additions and 3 deletions
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16
ethers-core/src/abi/mod.rs
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@ -26,8 +26,18 @@ pub use human_readable::{
use crate::types::{H256, H512, I256, U128, U256, U64}; use crate::types::{H256, H512, I256, U128, U256, U64};
mod sealed {
use ethabi::{Event, Function};
/// private trait to ensure extension traits are used as intended
pub trait Sealed {}
impl Sealed for Function {}
impl Sealed for Event {}
impl Sealed for ethabi::AbiError {}
}
/// Extension trait for `ethabi::Function`. /// Extension trait for `ethabi::Function`.
pub trait FunctionExt { pub trait FunctionExt: sealed::Sealed {
/// Compute the method signature in the standard ABI format. This does not /// Compute the method signature in the standard ABI format. This does not
/// include the output types. /// include the output types.
fn abi_signature(&self) -> String; fn abi_signature(&self) -> String;
@ -52,7 +62,7 @@ impl FunctionExt for Function {
} }
/// Extension trait for `ethabi::Event`. /// Extension trait for `ethabi::Event`.
pub trait EventExt { pub trait EventExt: sealed::Sealed {
/// Compute the event signature in human-readable format. The `keccak256` /// Compute the event signature in human-readable format. The `keccak256`
/// hash of this value is the actual event signature that is used as topic0 /// hash of this value is the actual event signature that is used as topic0
/// in the transaction logs. /// in the transaction logs.
@ -71,7 +81,7 @@ impl EventExt for Event {
} }
/// Extension trait for `ethabi::AbiError`. /// Extension trait for `ethabi::AbiError`.
pub trait ErrorExt { pub trait ErrorExt: sealed::Sealed {
/// Compute the method signature in the standard ABI format. /// Compute the method signature in the standard ABI format.
fn abi_signature(&self) -> String; fn abi_signature(&self) -> String;