38 lines
1.1 KiB
Rust
38 lines
1.1 KiB
Rust
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#![cfg(any(test, feature = "runtime-benchmarks"))]
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use crate::{keccak_256, Config, EcdsaSignature, EthereumAddress};
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pub fn public(secret: &libsecp256k1::SecretKey) -> libsecp256k1::PublicKey {
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libsecp256k1::PublicKey::from_secret_key(secret)
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}
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pub fn eth(secret: &libsecp256k1::SecretKey) -> EthereumAddress {
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let mut res = EthereumAddress::default();
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res.0.copy_from_slice(&keccak_256(&public(secret).serialize()[1..65])[12..]);
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res
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}
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#[cfg(test)]
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pub fn into_account_id<T: Config<I>, I: 'static>(address: EthereumAddress) -> T::AccountId {
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super::Pallet::<T, I>::into_account_id(address).unwrap()
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}
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pub fn sig<T: Config<I>, I: 'static>(
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secret: &libsecp256k1::SecretKey,
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what: &[u8],
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) -> EcdsaSignature {
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let msg = keccak_256(&super::Pallet::<T, I>::ethereum_signable_message(
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&crate::to_ascii_hex(what)[..],
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));
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let (sig, recovery_id) = libsecp256k1::sign(
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&libsecp256k1::Message::parse(&msg),
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secret,
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);
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let mut r = [0u8; 65];
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r[0..64].copy_from_slice(&sig.serialize()[..]);
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r[64] = recovery_id.serialize();
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EcdsaSignature(r)
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}
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