use crate::error::{Error, Result};
use crate::model::{AssetId, ByteString};
use crate::util::JsonDeserializer;
use crate::waves_proto::Amount as ProtoAmount;
use crate::waves_proto::SponsorFeeTransactionData;
use serde_json::{Map, Value};
const TYPE: u8 = 14;
#[derive(Clone, Eq, PartialEq, Debug)]
pub struct SponsorFeeTransactionInfo {
asset_id: AssetId,
min_sponsored_asset_fee: u64,
}
impl SponsorFeeTransactionInfo {
pub fn new(asset_id: AssetId, min_sponsored_asset_fee: u64) -> Self {
Self {
asset_id,
min_sponsored_asset_fee,
}
}
pub fn asset_id(&self) -> AssetId {
self.asset_id.clone()
}
pub fn min_sponsored_asset_fee(&self) -> u64 {
self.min_sponsored_asset_fee
}
}
impl TryFrom<&Value> for SponsorFeeTransactionInfo {
type Error = Error;
fn try_from(value: &Value) -> Result<Self> {
let asset_id = JsonDeserializer::safe_to_string_from_field(value, "assetId")?;
let min_sponsored_asset_fee =
JsonDeserializer::safe_to_int_from_field(value, "minSponsoredAssetFee")?;
Ok(SponsorFeeTransactionInfo {
asset_id: AssetId::from_string(&asset_id)?,
min_sponsored_asset_fee: min_sponsored_asset_fee as u64,
})
}
}
#[derive(Clone, Eq, PartialEq, Debug)]
pub struct SponsorFeeTransaction {
asset_id: AssetId,
min_sponsored_asset_fee: u64,
}
impl SponsorFeeTransaction {
pub fn new(asset_id: AssetId, min_sponsored_asset_fee: u64) -> Self {
Self {
asset_id,
min_sponsored_asset_fee,
}
}
pub fn asset_id(&self) -> AssetId {
self.asset_id.clone()
}
pub fn min_sponsored_asset_fee(&self) -> u64 {
self.min_sponsored_asset_fee
}
pub fn tx_type() -> u8 {
TYPE
}
}
impl TryFrom<&Value> for SponsorFeeTransaction {
type Error = Error;
fn try_from(value: &Value) -> Result<Self> {
let asset_id = JsonDeserializer::safe_to_string_from_field(value, "assetId")?;
let min_sponsored_asset_fee =
JsonDeserializer::safe_to_int_from_field(value, "minSponsoredAssetFee")?;
Ok(SponsorFeeTransaction {
asset_id: AssetId::from_string(&asset_id)?,
min_sponsored_asset_fee: min_sponsored_asset_fee as u64,
})
}
}
impl TryFrom<&SponsorFeeTransaction> for Map<String, Value> {
type Error = Error;
fn try_from(value: &SponsorFeeTransaction) -> Result<Self> {
let mut sponsor_fee_tx_json = Map::new();
sponsor_fee_tx_json.insert("assetId".to_owned(), value.asset_id().encoded().into());
sponsor_fee_tx_json.insert(
"minSponsoredAssetFee".to_owned(),
value.min_sponsored_asset_fee().into(),
);
Ok(sponsor_fee_tx_json)
}
}
impl TryFrom<&SponsorFeeTransaction> for SponsorFeeTransactionData {
type Error = Error;
fn try_from(value: &SponsorFeeTransaction) -> Result<Self> {
let amount = ProtoAmount {
asset_id: value.asset_id.bytes(),
amount: value.min_sponsored_asset_fee as i64,
};
Ok(SponsorFeeTransactionData {
min_fee: Some(amount),
})
}
}
#[cfg(test)]
mod tests {
use crate::error::Result;
use crate::model::{AssetId, ByteString, SponsorFeeTransaction};
use crate::waves_proto::SponsorFeeTransactionData;
use serde_json::{json, Map, Value};
use std::borrow::Borrow;
use std::fs;
#[test]
fn test_json_to_sponsor_fee_transaction() {
let data = fs::read_to_string("./tests/resources/sponsor_fee_rs.json")
.expect("Unable to read file");
let json: Value = serde_json::from_str(&data).expect("failed to generate json from str");
let sponsor_fee_from_json: SponsorFeeTransaction = json.borrow().try_into().unwrap();
assert_eq!(
"8bt2MZjuUCJPmfucPfaZPTXqrxmoCHCC8gVnbjZ7bhH6",
sponsor_fee_from_json.asset_id().encoded()
);
assert_eq!(10, sponsor_fee_from_json.min_sponsored_asset_fee())
}
#[test]
fn test_sponsor_fee_to_proto() -> Result<()> {
let sponsor_fee_tx = &SponsorFeeTransaction::new(
AssetId::from_string("8bt2MZjuUCJPmfucPfaZPTXqrxmoCHCC8gVnbjZ7bhH6")?,
100,
);
let proto: SponsorFeeTransactionData = sponsor_fee_tx.try_into()?;
let amount = proto.min_fee.unwrap();
assert_eq!(
amount.amount as u64,
sponsor_fee_tx.min_sponsored_asset_fee()
);
assert_eq!(amount.asset_id, sponsor_fee_tx.asset_id().bytes());
Ok(())
}
#[test]
fn test_sponsor_fee_to_json() -> Result<()> {
let sponsor_fee_tx = &SponsorFeeTransaction::new(
AssetId::from_string("8bt2MZjuUCJPmfucPfaZPTXqrxmoCHCC8gVnbjZ7bhH6")?,
100,
);
let map: Map<String, Value> = sponsor_fee_tx.try_into()?;
let json: Value = map.into();
let expected_json = json!({
"assetId": "8bt2MZjuUCJPmfucPfaZPTXqrxmoCHCC8gVnbjZ7bhH6",
"minSponsoredAssetFee": 100
});
assert_eq!(expected_json, json);
Ok(())
}
}