zera-sdk 0.1.0

Rust SDK for ZERA transactions, validator APIs, and bridge workflows
Documentation 
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use async_trait::async_trait;

use crate::error::{Result, ZeraError};

#[async_trait]
pub trait ZeraSigner: Send + Sync {
    fn public_key(&self) -> &str;
    async fn sign(&self, data: &[u8]) -> Result<Vec<u8>>;
}

#[derive(Debug, Clone, PartialEq, Eq)]
pub struct KeyPairSigner {
    public_key: String,
    private_key: String,
}

impl KeyPairSigner {
    pub fn new(public_key: impl Into<String>, private_key: impl Into<String>) -> Result<Self> {
        let public_key = public_key.into();
        let private_key = private_key.into();
        if public_key.is_empty() {
            return Err(ZeraError::InvalidInput("publicKey is required".to_string()));
        }
        if private_key.is_empty() {
            return Err(ZeraError::InvalidInput(
                "privateKey is required".to_string(),
            ));
        }
        Ok(Self {
            public_key,
            private_key,
        })
    }
}

#[async_trait]
impl ZeraSigner for KeyPairSigner {
    fn public_key(&self) -> &str {
        &self.public_key
    }

    async fn sign(&self, data: &[u8]) -> Result<Vec<u8>> {
        sign_transaction_data(data, &self.private_key, &self.public_key)
    }
}

pub fn sign_transaction_data(
    data: &[u8],
    private_key_base58: &str,
    public_key_identifier: &str,
) -> Result<Vec<u8>> {
    crate::crypto::signature::sign_transaction_data(data, private_key_base58, public_key_identifier)
}

pub fn create_transaction_hash(data: &[u8]) -> Vec<u8> {
    crate::crypto::signature::create_transaction_hash(data)
}