bft-crdt-experiment/side-node/src/crdt.rs

use bft_crdt_derive::add_crdt_fields;
use bft_json_crdt::{
    json_crdt::{CrdtNode, IntoCrdtNode},
    list_crdt::ListCrdt,
};
use serde::{Deserialize, Serialize};

#[add_crdt_fields]
#[derive(Clone, CrdtNode, Serialize, Deserialize)]
pub(crate) struct TransactionList {
    pub(crate) list: ListCrdt<Transaction>,
}

impl TransactionList {
    pub(crate) fn view_sha(&self) -> String {
        sha256::digest(serde_json::to_string(&self.list.view()).unwrap().as_bytes()).to_string()
    }
}

/// A fake Transaction struct we can use as a simulated payload
#[add_crdt_fields]
#[derive(Clone, CrdtNode, Serialize, Deserialize)]
pub(crate) struct Transaction {
    from: String,
    to: String,
    amount: f64,
}

// impl TransactionList {
//     fn create(&mut self, keys: &Ed25519KeyPair) -> bft_json_crdt::json_crdt::SignedOp {
//         // generate a placeholder transaction
//         let transaction = _fake_transaction(keys.public().to_string());

//         // next job is to keep adding to this guy
//         let last: &Op<Transaction>;
//         last = self.list.ops.last().expect("couldn't find last op");
//         let signed_op = self.list.insert(last.id, transaction.clone()).sign(&keys);
//         signed_op
//     }
// }