57 lines
1.7 KiB
Rust
57 lines
1.7 KiB
Rust
use mitra_utils::did_pkh::DidPkh;
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use super::signatures::{recover_address, SignatureError};
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use super::utils::address_to_string;
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#[derive(thiserror::Error, Debug)]
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pub enum Eip191VerificationError {
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#[error(transparent)]
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InvalidSignature(#[from] SignatureError),
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#[error("invalid signer")]
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InvalidSigner,
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}
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pub fn verify_eip191_signature(
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did: &DidPkh,
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message: &str,
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signature_hex: &str,
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) -> Result<(), Eip191VerificationError> {
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let signature_data = signature_hex.parse()?;
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let signer = recover_address(message.as_bytes(), &signature_data)?;
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if address_to_string(signer) != did.address.to_lowercase() {
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return Err(Eip191VerificationError::InvalidSigner);
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};
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Ok(())
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}
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#[cfg(test)]
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mod tests {
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use web3::signing::{Key, SecretKeyRef};
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use mitra_utils::currencies::Currency;
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use crate::ethereum::{
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signatures::{
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generate_ecdsa_key,
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sign_message,
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},
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utils::address_to_string,
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};
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use super::*;
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const ETHEREUM: Currency = Currency::Ethereum;
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#[test]
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fn test_verify_eip191_signature() {
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let message = "test";
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let secret_key = generate_ecdsa_key();
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let secret_key_ref = SecretKeyRef::new(&secret_key);
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let secret_key_str = secret_key.display_secret().to_string();
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let address = address_to_string(secret_key_ref.address());
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let did = DidPkh::from_address(ÐEREUM, &address);
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let signature = sign_message(&secret_key_str, message.as_bytes())
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.unwrap().to_string();
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let result = verify_eip191_signature(&did, message, &signature);
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assert_eq!(result.is_ok(), true);
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}
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}
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