crypto: Remove loader module.

This needs to be rewritten in a different way.

src/crypto/loader.rs

@@ -1,85 +0,0 @@
-use std::{fs::*, path::PathBuf, time::Instant};
-
-use crate::{
-    crypto::proof::{ProvingKey, VerifyingKey},
-    util::serial::Decodable,
-    zk::{circuit::MintContract, vm},
-    Result,
-};
-
-pub struct ContractLoader {}
-
-impl ContractLoader {
-    // let bin = from_bincode("Mint", "proofs/mint.zk.bin");
-    pub fn from_bincode(name: String, path: PathBuf) -> Result<vm::ZkContract> {
-        let start = Instant::now();
-        let file = File::open(path)?;
-        let zkbin = vm::ZkBinary::decode(file)?;
-        for contract_name in zkbin.contracts.keys() {
-            println!("Loaded '{}' contract.", contract_name);
-        }
-        println!("Load time: [{:?}]", start.elapsed());
-        let contract = zkbin.contracts[&name].clone();
-        Ok(contract)
-    }
-
-    // let prk = load_prk("Mint", "proofs/mint.zk/bin", "proofs/mint.prk")
-    pub fn load_prk(
-        contract_name: String,
-        contract_path: PathBuf,
-        key_path: PathBuf,
-    ) -> Result<()> {
-        // TODO: benchmarks
-        //let start = Instant::now();
-        let contract_data = metadata(contract_path)?;
-        let key_data = metadata(key_path)?;
-
-        let contract_time = contract_data.modified()?;
-        let key_time = key_data.modified()?;
-
-        if key_time > contract_time {
-            println!("Key is newer than contract.");
-        } else {
-            Self::create_prk(contract_name)?;
-        }
-        Ok(())
-    }
-
-    // let prk = load_vrk("Mint", "proofs/mint.zk/bin", "proofs/mint.vrk")
-    pub fn load_vrk(
-        contract_name: String,
-        contract_path: PathBuf,
-        key_path: PathBuf,
-    ) -> Result<()> {
-        // TODO: benchmarks
-        //let start = Instant::now();
-        let contract_data = metadata(contract_path)?;
-        let key_data = metadata(key_path)?;
-
-        let contract_time = contract_data.modified()?;
-        let key_time = key_data.modified()?;
-
-        if key_time > contract_time {
-            println!("Key is newer than contract.");
-        } else {
-            Self::create_vrk(contract_name)?;
-        }
-        Ok(())
-    }
-
-    pub fn create_prk(name: String) -> Result<()> {
-        // TODO: implement this
-        let _mint_pk = ProvingKey::build(11, MintContract::default());
-        let _file = File::create(name + ".prk")?;
-        // TODO: serialize and save file
-        Ok(())
-    }
-
-    pub fn create_vrk(name: String) -> Result<()> {
-        // TODO: implement this
-        let _mint_vk = VerifyingKey::build(11, MintContract::default());
-        let _file = File::create(name + ".vrk")?;
-        // TODO: serialize and save file
-        Ok(())
-    }
-}

src/crypto/mod.rs

@@ -1,12 +1,10 @@
 pub mod address;
+pub mod burn_proof;
 pub mod coin;
 pub mod constants;
 pub mod diffie_hellman;
 pub mod keypair;
-//pub mod loader;
-pub mod burn_proof;
 pub mod merkle_node;
-//pub mod point_node;
 pub mod mint_proof;
 pub mod note;
 pub mod nullifier;