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

62 lines
1.5 KiB
Rust

use std::path::PathBuf;
use bft_crdt_derive::add_crdt_fields;
use bft_json_crdt::{
json_crdt::{BaseCrdt, CrdtNode, IntoCrdtNode},
keypair::{Ed25519KeyPair, KeyPair},
list_crdt::ListCrdt,
};
use serde::{Deserialize, Serialize};
use serde_json::{json, Value};
use crate::keys;
#[add_crdt_fields]
#[derive(Clone, CrdtNode, Serialize, Deserialize)]
pub(crate) struct CrdtList {
pub(crate) list: ListCrdt<Transaction>, // switch to Transaction as soon as char is working
}
/// 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,
}
pub(crate) fn new(side_dir: PathBuf) -> (BaseCrdt<CrdtList>, Ed25519KeyPair) {
let keys = keys::load_from_file(side_dir);
let bft_crdt = BaseCrdt::<CrdtList>::new(&keys);
println!("Author is {}", keys.public().to_string());
(bft_crdt, keys)
}
pub(crate) fn send(
bft_crdt: &mut BaseCrdt<CrdtList>,
keys: &Ed25519KeyPair,
) -> bft_json_crdt::json_crdt::SignedOp {
// generate a placeholder transaction
let transaction = generate_transaction(keys.public().to_string());
// next job is to keep adding to this guy
let next = bft_crdt.doc.list.ops.len();
let signed_op = bft_crdt
.doc
.list
.insert_idx(next - 1, transaction.clone())
.sign(&keys);
signed_op
}
fn generate_transaction(pubkey: String) -> Value {
json!({
"from": pubkey,
"to": "Bob",
"amount": 1
})
}