Prototype teleportation tree

src/blockchain/ops/apply_tx/regular_send.rs

@@ -1,5 +1,21 @@
 use super::*;
 
+use crate::core::ZkHasher as CoreZkHasher;
+use crate::zk::ZkHasher;
+use ff::PrimeField;
+use num_bigint::BigUint;
+
+fn put_in_teleport_tree<K: KvStore>(
+    chain: &mut KvStoreChain<K>,
+    dst: Address,
+    money: Money,
+) -> Result<(), BlockchainError> {
+    let as_scalar =
+        ZkScalar::from_str_vartime(&BigUint::from_bytes_le(&dst.to_bytes()[..31]).to_string());
+    let commitment = CoreZkHasher::hash(&[money.token_id.into(), money.amount.into()]);
+    Ok(())
+}
+
 pub fn regular_send<K: KvStore>(
     chain: &mut KvStoreChain<K>,
     tx_src: Address,
@@ -25,6 +41,8 @@ pub fn regular_send<K: KvStore>(
                 keys::account_balance(&entry.dst, entry.amount.token_id),
                 dst_bal.into(),
             )])?;
+
+            put_in_teleport_tree(chain, entry.dst.clone(), entry.amount.clone())?;
         }
     }
     Ok(())

src/crypto/ed25519.rs

@@ -20,6 +20,11 @@ impl Clone for PrivateKey {
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct PublicKey(pub ed25519_dalek::PublicKey);
+impl PublicKey {
+    pub fn to_bytes(&self) -> [u8; 32] {
+        self.0.to_bytes()
+    }
+}
 impl PartialEq<PublicKey> for PublicKey {
     fn eq(&self, other: &Self) -> bool {
         self.0.to_bytes() == other.0.to_bytes()