ethers_signers/ledger/
mod.rs

1pub mod app;
2pub mod types;
3
4use crate::Signer;
5use app::LedgerEthereum;
6use async_trait::async_trait;
7use ethers_core::types::{
8    transaction::{eip2718::TypedTransaction, eip712::Eip712},
9    Address, Signature,
10};
11use types::LedgerError;
12
13#[cfg_attr(target_arch = "wasm32", async_trait(?Send))]
14#[cfg_attr(not(target_arch = "wasm32"), async_trait)]
15impl Signer for LedgerEthereum {
16    type Error = LedgerError;
17
18    /// Signs the hash of the provided message after prefixing it
19    async fn sign_message<S: Send + Sync + AsRef<[u8]>>(
20        &self,
21        message: S,
22    ) -> Result<Signature, Self::Error> {
23        self.sign_message(message).await
24    }
25
26    /// Signs the transaction
27    async fn sign_transaction(&self, message: &TypedTransaction) -> Result<Signature, Self::Error> {
28        let mut tx_with_chain = message.clone();
29        if tx_with_chain.chain_id().is_none() {
30            // in the case we don't have a chain_id, let's use the signer chain id instead
31            tx_with_chain.set_chain_id(self.chain_id);
32        }
33        self.sign_tx(&tx_with_chain).await
34    }
35
36    /// Signs a EIP712 derived struct
37    async fn sign_typed_data<T: Eip712 + Send + Sync>(
38        &self,
39        payload: &T,
40    ) -> Result<Signature, Self::Error> {
41        self.sign_typed_struct(payload).await
42    }
43
44    /// Returns the signer's Ethereum Address
45    fn address(&self) -> Address {
46        self.address
47    }
48
49    fn with_chain_id<T: Into<u64>>(mut self, chain_id: T) -> Self {
50        self.chain_id = chain_id.into();
51        self
52    }
53
54    fn chain_id(&self) -> u64 {
55        self.chain_id
56    }
57}
ethers_signers/ledger/mod.rs

ethers_signers/ledger/
mod.rs
