use serde::{Deserialize, Serialize};
#[derive(Serialize, Deserialize)]
pub struct TopUpTxRequest {
pub user_address: String,
pub token: String,
pub amount: u64,
}
#[derive(Serialize, Deserialize)]
pub struct WithdrawTxRequest {
pub provider_address: String,
pub token: String,
}
#[derive(Serialize, Deserialize)]
pub struct TransactionResponse {
pub tx: String,
}