sidan_csl_rs/core/builder.rs
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use super::core_csl::MeshCSL;
use crate::{csl, model::*};
use cardano_serialization_lib::JsError;
#[derive(Clone, Debug)]
pub struct TxBuilderCore {
pub mesh_csl: MeshCSL,
pub tx_builder_body: TxBuilderBody,
pub tx_evaluation_multiplier_percentage: u64,
}
/// ## Transaction building method
///
/// Serialize the transaction body
///
/// ### Arguments
///
/// * `tx_builder_body` - The transaction builder body information
/// * `params` - Optional protocol parameters, default as Cardano mainnet configuration
///
/// ### Returns
///
/// * `String` - the built transaction hex
pub fn serialize_tx_body(
tx_builder_body: TxBuilderBody,
params: Option<Protocol>,
) -> Result<String, JsError> {
if tx_builder_body.change_address.is_empty() {
return Err(JsError::from_str("change address cannot be empty"));
}
let mut mesh_csl = MeshCSL::new(params);
TxBuilderCore::add_all_inputs(&mut mesh_csl, tx_builder_body.inputs.clone())?;
TxBuilderCore::add_all_outputs(&mut mesh_csl, tx_builder_body.outputs.clone())?;
TxBuilderCore::add_all_collaterals(&mut mesh_csl, tx_builder_body.collaterals.clone())?;
TxBuilderCore::add_all_reference_inputs(
&mut mesh_csl,
tx_builder_body.reference_inputs.clone(),
)?;
TxBuilderCore::add_all_withdrawals(&mut mesh_csl, tx_builder_body.withdrawals.clone())?;
TxBuilderCore::add_all_mints(&mut mesh_csl, tx_builder_body.mints.clone())?;
TxBuilderCore::add_all_certificates(&mut mesh_csl, tx_builder_body.certificates.clone())?;
TxBuilderCore::add_all_votes(&mut mesh_csl, tx_builder_body.votes.clone())?;
TxBuilderCore::add_validity_range(&mut mesh_csl, tx_builder_body.validity_range.clone());
TxBuilderCore::add_all_required_signature(
&mut mesh_csl,
&tx_builder_body
.required_signatures
.iter()
.map(|s| s.as_str())
.collect::<Vec<&str>>(),
)?;
TxBuilderCore::add_all_metadata(&mut mesh_csl, tx_builder_body.metadata.clone())?;
match tx_builder_body.network {
Some(current_network) => mesh_csl.add_script_hash(current_network)?,
None => mesh_csl.add_script_hash(Network::Mainnet)?,
};
// if self.tx_builder_body.change_address != "" {
// let collateral_inputs = self.tx_builder_body.collaterals.clone();
// let collateral_vec: Vec<u64> = collateral_inputs
// .into_iter()
// .map(|pub_key_tx_in| {
// let assets = pub_key_tx_in.tx_in.amount.unwrap();
// let lovelace = assets
// .into_iter()
// .find(|asset| asset.unit == "lovelace")
// .unwrap();
// lovelace.quantity.parse::<u64>().unwrap()
// })
// .collect();
// let total_collateral: u64 = collateral_vec.into_iter().sum();
// let collateral_estimate: u64 = (150
// * self
// .tx_builder
// .min_fee()
// .unwrap()
// .checked_add(&to_bignum(10000))
// .unwrap()
// .to_string()
// .parse::<u64>()
// .unwrap())
// / 100;
// let mut collateral_return_needed = false;
// if (total_collateral - collateral_estimate) > 0 {
// let collateral_estimate_output = csl::TransactionOutput::new(
// &csl::address::Address::from_bech32(&self.tx_builder_body.change_address)
// .unwrap(),
// &csl::utils::Value::new(&to_bignum(collateral_estimate)),
// );
// let min_ada = csl::utils::min_ada_for_output(
// &collateral_estimate_output,
// &csl::DataCost::new_coins_per_byte(&to_bignum(4310)),
// )
// .unwrap()
// .to_string()
// .parse::<u64>()
// .unwrap();
// if total_collateral - collateral_estimate > min_ada {
// self.tx_builder
// .set_collateral_return(&csl::TransactionOutput::new(
// &csl::address::Address::from_bech32(
// &self.tx_builder_body.change_address,
// )
// .unwrap(),
// &csl::utils::Value::new(&to_bignum(total_collateral)),
// ));
// self.tx_builder
// .set_total_collateral(&to_bignum(total_collateral));
// collateral_return_needed = true;
// }
// }
// self.add_change(self.tx_builder_body.change_address.clone());
// if collateral_return_needed {
// self.add_collateral_return(self.tx_builder_body.change_address.clone());
// }
// }
if tx_builder_body.fee.is_some() {
TxBuilderCore::set_fee(&mut mesh_csl, tx_builder_body.fee.unwrap());
}
mesh_csl.add_change(
tx_builder_body.change_address.clone(),
tx_builder_body.change_datum.clone(),
)?;
mesh_csl.build_tx()
}
impl TxBuilderCore {
/// ## Transaction building method
///
/// Create a new TxBuilder instance
///
/// ### Returns
///
/// * `Self` - A new TxBuilder instance
///
pub fn new_core(params: Option<Protocol>) -> Self {
Self {
mesh_csl: MeshCSL::new(params),
tx_builder_body: TxBuilderBody {
inputs: vec![],
outputs: vec![],
collaterals: vec![],
required_signatures: vec![],
reference_inputs: vec![],
withdrawals: vec![],
mints: vec![],
change_address: "".to_string(),
change_datum: None,
certificates: vec![],
votes: vec![],
metadata: vec![],
validity_range: ValidityRange {
invalid_before: None,
invalid_hereafter: None,
},
signing_key: vec![],
fee: None,
network: None,
},
tx_evaluation_multiplier_percentage: 110,
}
}
/// ## Transaction building method
///
/// Complete the signing process
///
/// ### Returns
///
/// * `String` - The signed transaction in hex
pub fn complete_signing(&mut self) -> Result<String, JsError> {
let signing_keys = self.tx_builder_body.signing_key.clone();
self.add_all_signing_keys(
&signing_keys
.iter()
.map(|s| s.as_str())
.collect::<Vec<&str>>(),
)?;
Ok(self.mesh_csl.tx_hex.to_string())
}
/// ## Internal method
///
/// Add multiple signing keys to the TxBuilder instance
///
/// ### Arguments
///
/// * `signing_keys` - A vector of signing keys in hexadecimal
fn add_all_signing_keys(&mut self, signing_keys: &[&str]) -> Result<(), JsError> {
if !signing_keys.is_empty() {
self.mesh_csl.add_signing_keys(signing_keys)?;
}
Ok(())
}
/// ## Internal method
///
/// Add multiple inputs to the TxBuilder instance
///
/// ### Arguments
///
/// * `mesh_csl` - The MeshCSL instance
/// * `inputs` - A vector of inputs
fn add_all_inputs(mesh_csl: &mut MeshCSL, inputs: Vec<TxIn>) -> Result<(), JsError> {
for input in inputs {
match input {
TxIn::PubKeyTxIn(pub_key_tx_in) => mesh_csl.add_tx_in(pub_key_tx_in)?,
TxIn::SimpleScriptTxIn(simple_script_tx_in) => {
mesh_csl.add_simple_script_tx_in(simple_script_tx_in)?
}
TxIn::ScriptTxIn(script_tx_in) => mesh_csl.add_script_tx_in(script_tx_in)?,
};
}
mesh_csl.tx_builder.set_inputs(&mesh_csl.tx_inputs_builder);
Ok(())
}
/// ## Internal method
///
/// Add multiple outputs to the TxBuilder instance
///
/// ### Arguments
///
/// * `mesh_csl` - The MeshCSL instance
/// * `outputs` - A vector of outputs
fn add_all_outputs(mesh_csl: &mut MeshCSL, outputs: Vec<Output>) -> Result<(), JsError> {
for output in outputs {
mesh_csl.add_output(output)?;
}
Ok(())
}
/// ## Internal method
///
/// Add multiple collaterals to the TxBuilder instance
///
/// ## Arguments
///
/// * `mesh_csl` - The MeshCSL instance
/// * `collaterals` - A vector of collaterals
fn add_all_collaterals(
mesh_csl: &mut MeshCSL,
collaterals: Vec<PubKeyTxIn>,
) -> Result<(), JsError> {
let mut collateral_builder = csl::TxInputsBuilder::new();
for collateral in collaterals {
mesh_csl.add_collateral(&mut collateral_builder, collateral)?
}
mesh_csl.tx_builder.set_collateral(&collateral_builder);
Ok(())
}
/// ## Internal method
///
/// Add multiple reference inputs to the TxBuilder instance
///
/// ## Arguments
///
/// * `mesh_csl` - The MeshCSL instance
/// * `ref_inputs` - A vector of reference inputs
fn add_all_reference_inputs(
mesh_csl: &mut MeshCSL,
ref_inputs: Vec<RefTxIn>,
) -> Result<(), JsError> {
for ref_input in ref_inputs {
mesh_csl.add_reference_input(ref_input)?;
}
Ok(())
}
/// ## Internal method
///
/// Add multiple withdrawals to the TxBuilder instance
///
/// ## Arguments
///
/// * `mesh_csl` - The MeshCSL instance
/// * `withdrawals` - A vector of withdrawals
fn add_all_withdrawals(
mesh_csl: &mut MeshCSL,
withdrawals: Vec<Withdrawal>,
) -> Result<(), JsError> {
for withdrawal in withdrawals {
match withdrawal {
Withdrawal::PubKeyWithdrawal(pub_key_withdrawal) => {
mesh_csl.add_pub_key_withdrawal(pub_key_withdrawal)?
}
Withdrawal::PlutusScriptWithdrawal(plutus_script_withdrawal) => {
mesh_csl.add_plutus_withdrawal(plutus_script_withdrawal)?
}
Withdrawal::SimpleScriptWithdrawal(simple_script_withdrawal) => {
mesh_csl.add_simple_script_withdrawal(simple_script_withdrawal)?
}
}
}
mesh_csl
.tx_builder
.set_withdrawals_builder(&mesh_csl.tx_withdrawals_builder);
Ok(())
}
/// ## Internal method
///
/// Add multiple mints to the TxBuilder instance
///
/// ### Arguments
///
/// * `mesh_csl` - The MeshCSL instance
/// * `mints` - A vector of mints
fn add_all_mints(mesh_csl: &mut MeshCSL, mints: Vec<MintItem>) -> Result<(), JsError> {
let mut mint_builder = csl::MintBuilder::new();
for (index, mint) in mints.into_iter().enumerate() {
match mint {
MintItem::ScriptMint(script_mint) => {
mesh_csl.add_plutus_mint(&mut mint_builder, script_mint, index as u64)?
}
MintItem::SimpleScriptMint(simple_script_mint) => {
mesh_csl.add_native_mint(&mut mint_builder, simple_script_mint)?
}
};
}
mesh_csl.tx_builder.set_mint_builder(&mint_builder);
Ok(())
}
/// ## Internal method
///
/// Add multiple certificates to the TxBuilder instance
///
/// ### Arguments
///
/// * `mesh_csl` - The MeshCSL instance
/// * `certificates` - A vector of certificates
fn add_all_certificates(
mesh_csl: &mut MeshCSL,
certificates: Vec<Certificate>,
) -> Result<(), JsError> {
let mut certificates_builder = csl::CertificatesBuilder::new();
for (index, cert) in certificates.into_iter().enumerate() {
mesh_csl.add_cert(&mut certificates_builder, cert, index as u64)?
}
mesh_csl.tx_builder.set_certs_builder(&certificates_builder);
Ok(())
}
/// ## Internal method
///
/// Add multiple votes to the TxBuilder instance
///
/// ### Arguments
///
/// * `mesh_csl` - The MeshCSL instance
/// * `votes` - A vector of votes
fn add_all_votes(mesh_csl: &mut MeshCSL, votes: Vec<Vote>) -> Result<(), JsError> {
let mut vote_builder = csl::VotingBuilder::new();
for (index, vote) in votes.into_iter().enumerate() {
mesh_csl.add_vote(&mut vote_builder, vote, index as u64)?
}
mesh_csl.tx_builder.set_voting_builder(&vote_builder);
Ok(())
}
/// ## Internal method
///
/// Add a validity range to the TxBuilder instance
///
/// ### Arguments
///
/// * `mesh_csl` - The MeshCSL instance
/// * `validity_range` - The validity range
fn add_validity_range(mesh_csl: &mut MeshCSL, validity_range: ValidityRange) {
if validity_range.invalid_before.is_some() {
mesh_csl.add_invalid_before(validity_range.invalid_before.unwrap())
}
if validity_range.invalid_hereafter.is_some() {
mesh_csl.add_invalid_hereafter(validity_range.invalid_hereafter.unwrap())
}
}
/// ## Internal method
///
/// Add multiple required signatures to the TxBuilder instance
///
/// ### Arguments
///
/// * `mesh_csl` - The MeshCSL instance
/// * `required_signatures` - A vector of required signatures
fn add_all_required_signature(
mesh_csl: &mut MeshCSL,
required_signatures: &[&str],
) -> Result<(), JsError> {
for pub_key_hash in required_signatures {
mesh_csl.add_required_signature(pub_key_hash)?;
}
Ok(())
}
/// ## Internal method
///
/// Add multiple metadata to the TxBuilder instance
///
/// ### Arguments
///
/// * `mesh_csl` - The MeshCSL instance
/// * `all_metadata` - A vector of metadata
fn add_all_metadata(
mesh_csl: &mut MeshCSL,
all_metadata: Vec<Metadata>,
) -> Result<(), JsError> {
for metadata in all_metadata {
mesh_csl.add_metadata(metadata)?;
}
Ok(())
}
// fn add_collateral_return(&mut self, change_address: String) {
// let current_fee = self
// .tx_builder
// .get_fee_if_set()
// .unwrap()
// .to_string()
// .parse::<u64>()
// .unwrap();
// let collateral_amount = 150 * ((current_fee / 100) + 1);
// let _ = self
// .tx_builder
// .set_total_collateral_and_return(
// &to_bignum(collateral_amount),
// &csl::address::Address::from_bech32(&change_address).unwrap(),
// )
// .unwrap();
// }
fn set_fee(mesh_csl: &mut MeshCSL, fee: String) {
mesh_csl.set_fee(fee);
}
}
impl Default for TxBuilderCore {
fn default() -> Self {
Self::new_core(None)
}
}