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pub use self::{interface::*, sig::*, spam::*, transaction::*, utils::*};
pub(crate) mod interface;
pub(crate) mod sig;
pub(crate) mod spam;
pub(crate) mod transaction;
pub(crate) mod utils {
use super::{Sign, SignedTransaction, Transaction};
use scsys::prelude::{
generate_random_hash,
rand::{self, Rng},
random_keypair,
ring::signature::{
self, Ed25519KeyPair, EdDSAParameters, KeyPair, Signature, UnparsedPublicKey,
VerificationAlgorithm, ED25519,
},
};
pub fn validate_transaction_signature(
trx: &Transaction,
key: &Ed25519KeyPair,
sig: &signature::Signature,
) -> bool {
let ppk = UnparsedPublicKey::new(&ED25519, key.public_key().as_ref());
ppk.verify(trx.to_string().as_bytes(), sig.as_ref()).is_ok()
}
pub fn verify(
t: &Transaction,
public_key: &<Ed25519KeyPair as KeyPair>::PublicKey,
signature: &Signature,
) -> bool {
let serialized: Vec<u8> = serde_json::to_vec(t).unwrap();
let bytes: &[u8] = &serialized;
match VerificationAlgorithm::verify(
&EdDSAParameters,
public_key.as_ref().into(),
bytes.into(),
signature.as_ref().into(),
) {
Ok(_) => true,
Err(_e) => false,
}
}
pub fn verify_signedtxn(t: &SignedTransaction) -> bool {
let transaction = t.transaction.clone();
let pubk = t.sign.pubk.clone();
let sig = t.sign.sig.clone();
let serialized: Vec<u8> = serde_json::to_vec(&transaction).unwrap();
let bytes: &[u8] = &serialized;
match VerificationAlgorithm::verify(
&EdDSAParameters,
pubk[..].into(),
bytes.into(),
sig[..].into(),
) {
Ok(_) => true,
Err(_e) => false,
}
}
pub fn generate_random_transaction() -> Transaction {
let mut rng = rand::thread_rng();
Transaction::new(rng.gen(), generate_random_hash().into(), rng.gen())
}
pub fn generate_random_signed_transaction() -> SignedTransaction {
let transaction = generate_random_transaction();
let pubk = random_keypair();
let sig = super::sign(&transaction, &pubk);
let sign = Sign {
pubk: pubk.public_key().as_ref().to_vec(),
sig: sig.as_ref().to_vec(),
};
SignedTransaction::new(sign, transaction)
}
}