pub struct TransactionOutput { /* private fields */ }
Implementations§
source§impl TransactionOutput
impl TransactionOutput
pub fn from_bytes(bytes: Vec<u8>) -> Result<TransactionOutput, DeserializeError>
source§impl TransactionOutput
impl TransactionOutput
pub fn from_hex(hex_str: &str) -> Result<TransactionOutput, DeserializeError>
source§impl TransactionOutput
impl TransactionOutput
pub fn address(&self) -> Address
sourcepub fn amount(&self) -> Value
pub fn amount(&self) -> Value
Examples found in repository?
src/tx_builder.rs (line 713)
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pub fn set_collateral_return_and_total(
&mut self,
collateral_return: &TransactionOutput,
) -> Result<(), JsError> {
let collateral = &self.collateral;
if collateral.len() == 0 {
return Err(JsError::from_str(
"Cannot calculate total collateral value when collateral inputs are missing",
));
}
let col_input_value: Value = collateral.total_value()?;
let total_col: Value = col_input_value.checked_sub(&collateral_return.amount())?;
if total_col.multiasset.is_some() {
return Err(JsError::from_str(
"Total collateral value cannot contain assets!",
));
}
let min_ada = min_ada_for_output(&collateral_return, &self.config.utxo_cost())?;
if min_ada > collateral_return.amount.coin {
return Err(JsError::from_str(&format!(
"Not enough coin to make return on the collateral value!\
Increase amount of return coins. \
Min ada for return {}, but was {}",
min_ada, collateral_return.amount.coin
)));
}
self.set_collateral_return(collateral_return);
self.total_collateral = Some(total_col.coin);
Ok(())
}
pub fn set_total_collateral(&mut self, total_collateral: &Coin) {
self.total_collateral = Some(total_collateral.clone());
}
/// This function will set the total-collateral coin and then auto-calculate and assign
/// the collateral return value. Will raise an error in case no collateral inputs are set.
/// The specified address will be the received of the collateral return
pub fn set_total_collateral_and_return(
&mut self,
total_collateral: &Coin,
return_address: &Address,
) -> Result<(), JsError> {
let collateral = &self.collateral;
if collateral.len() == 0 {
return Err(JsError::from_str(
"Cannot calculate collateral return when collateral inputs are missing",
));
}
let col_input_value: Value = collateral.total_value()?;
let col_return: Value = col_input_value.checked_sub(&Value::new(&total_collateral))?;
if col_return.multiasset.is_some() || col_return.coin > BigNum::zero() {
let return_output = TransactionOutput::new(return_address, &col_return);
let min_ada = min_ada_for_output(&return_output, &self.config.utxo_cost())?;
if min_ada > col_return.coin {
return Err(JsError::from_str(&format!(
"Not enough coin to make return on the collateral value!\
Decrease the total collateral value or add more collateral inputs. \
Min ada for return {}, but was {}",
min_ada, col_return.coin
)));
}
self.collateral_return = Some(return_output);
}
self.set_total_collateral(total_collateral);
Ok(())
}
pub fn add_reference_input(&mut self, reference_input: &TransactionInput) {
self.reference_inputs.insert(reference_input.clone());
}
/// We have to know what kind of inputs these are to know what kind of mock witnesses to create since
/// 1) mock witnesses have different lengths depending on the type which changes the expecting fee
/// 2) Witnesses are a set so we need to get rid of duplicates to avoid over-estimating the fee
#[deprecated(since = "10.2.0", note = "Use `.set_inputs`")]
pub fn add_key_input(
&mut self,
hash: &Ed25519KeyHash,
input: &TransactionInput,
amount: &Value,
) {
self.inputs.add_key_input(hash, input, amount);
}
/// This method adds the input to the builder BUT leaves a missing spot for the witness native script
///
/// After adding the input with this method, use `.add_required_native_input_scripts`
/// and `.add_required_plutus_input_scripts` to add the witness scripts
///
/// Or instead use `.add_native_script_input` and `.add_plutus_script_input`
/// to add inputs right along with the script, instead of the script hash
#[deprecated(since = "10.2.0", note = "Use `.set_inputs`")]
pub fn add_script_input(
&mut self,
hash: &ScriptHash,
input: &TransactionInput,
amount: &Value,
) {
self.inputs.add_script_input(hash, input, amount);
}
/// This method will add the input to the builder and also register the required native script witness
#[deprecated(since = "10.2.0", note = "Use `.set_inputs`")]
pub fn add_native_script_input(
&mut self,
script: &NativeScript,
input: &TransactionInput,
amount: &Value,
) {
self.inputs.add_native_script_input(script, input, amount);
}
/// This method will add the input to the builder and also register the required plutus witness
#[deprecated(since = "10.2.0", note = "Use `.set_inputs`")]
pub fn add_plutus_script_input(
&mut self,
witness: &PlutusWitness,
input: &TransactionInput,
amount: &Value,
) {
self.inputs.add_plutus_script_input(witness, input, amount);
}
#[deprecated(since = "10.2.0", note = "Use `.set_inputs`")]
pub fn add_bootstrap_input(
&mut self,
hash: &ByronAddress,
input: &TransactionInput,
amount: &Value,
) {
self.inputs.add_bootstrap_input(hash, input, amount);
}
/// Note that for script inputs this method will use underlying generic `.add_script_input`
/// which leaves a required empty spot for the script witness (or witnesses in case of Plutus).
/// You can use `.add_native_script_input` or `.add_plutus_script_input` directly to register the input along with the witness.
#[deprecated(since = "10.2.0", note = "Use `.set_inputs`")]
pub fn add_input(&mut self, address: &Address, input: &TransactionInput, amount: &Value) {
self.inputs.add_input(address, input, amount);
}
/// Returns the number of still missing input scripts (either native or plutus)
/// Use `.add_required_native_input_scripts` or `.add_required_plutus_input_scripts` to add the missing scripts
#[deprecated(since = "10.2.0", note = "Use `.count_missing_input_scripts` from `TxInputsBuilder`")]
pub fn count_missing_input_scripts(&self) -> usize {
self.inputs.count_missing_input_scripts()
}
/// Try adding the specified scripts as witnesses for ALREADY ADDED script inputs
/// Any scripts that don't match any of the previously added inputs will be ignored
/// Returns the number of remaining required missing witness scripts
/// Use `.count_missing_input_scripts` to find the number of still missing scripts
#[deprecated(since = "10.2.0", note = "Use `.set_inputs`")]
pub fn add_required_native_input_scripts(&mut self, scripts: &NativeScripts) -> usize {
self.inputs.add_required_native_input_scripts(scripts)
}
/// Try adding the specified scripts as witnesses for ALREADY ADDED script inputs
/// Any scripts that don't match any of the previously added inputs will be ignored
/// Returns the number of remaining required missing witness scripts
/// Use `.count_missing_input_scripts` to find the number of still missing scripts
#[deprecated(since = "10.2.0", note = "Use `.set_inputs`")]
pub fn add_required_plutus_input_scripts(&mut self, scripts: &PlutusWitnesses) -> usize {
self.inputs.add_required_plutus_input_scripts(scripts)
}
/// Returns a copy of the current script input witness scripts in the builder
#[deprecated(since = "10.2.0", note = "Use `.set_inputs`")]
pub fn get_native_input_scripts(&self) -> Option<NativeScripts> {
self.inputs.get_native_input_scripts()
}
/// Returns a copy of the current plutus input witness scripts in the builder.
/// NOTE: each plutus witness will be cloned with a specific corresponding input index
#[deprecated(since = "10.2.0", note = "Use `.set_inputs`")]
pub fn get_plutus_input_scripts(&self) -> Option<PlutusWitnesses> {
self.inputs.get_plutus_input_scripts()
}
/// calculates how much the fee would increase if you added a given output
pub fn fee_for_input(
&self,
address: &Address,
input: &TransactionInput,
amount: &Value,
) -> Result<Coin, JsError> {
let mut self_copy = self.clone();
// we need some value for these for it to be a a valid transaction
// but since we're only calculating the difference between the fee of two transactions
// it doesn't matter what these are set as, since it cancels out
self_copy.set_fee(&to_bignum(0));
let fee_before = min_fee(&self_copy)?;
self_copy.add_input(&address, &input, &amount);
let fee_after = min_fee(&self_copy)?;
fee_after.checked_sub(&fee_before)
}
/// Add explicit output via a TransactionOutput object
pub fn add_output(&mut self, output: &TransactionOutput) -> Result<(), JsError> {
let value_size = output.amount.to_bytes().len();
if value_size > self.config.max_value_size as usize {
return Err(JsError::from_str(&format!(
"Maximum value size of {} exceeded. Found: {}",
self.config.max_value_size, value_size
)));
}
let min_ada = min_ada_for_output(&output, &self.config.utxo_cost())?;
if output.amount().coin() < min_ada {
Err(JsError::from_str(&format!(
"Value {} less than the minimum UTXO value {}",
from_bignum(&output.amount().coin()),
from_bignum(&min_ada)
)))
} else {
self.outputs.add(output);
Ok(())
}
}
/// calculates how much the fee would increase if you added a given output
pub fn fee_for_output(&self, output: &TransactionOutput) -> Result<Coin, JsError> {
let mut self_copy = self.clone();
// we need some value for these for it to be a a valid transaction
// but since we're only calculating the different between the fee of two transactions
// it doesn't matter what these are set as, since it cancels out
self_copy.set_fee(&to_bignum(0));
let fee_before = min_fee(&self_copy)?;
self_copy.add_output(&output)?;
let fee_after = min_fee(&self_copy)?;
fee_after.checked_sub(&fee_before)
}
pub fn set_fee(&mut self, fee: &Coin) {
self.fee = Some(fee.clone())
}
/// !!! DEPRECATED !!!
/// Set ttl value.
#[deprecated(
since = "10.1.0",
note = "Underlying value capacity of ttl (BigNum u64) bigger then Slot32. Use set_ttl_bignum instead."
)]
pub fn set_ttl(&mut self, ttl: Slot32) {
self.ttl = Some(ttl.into())
}
pub fn set_ttl_bignum(&mut self, ttl: &SlotBigNum) {
self.ttl = Some(ttl.clone())
}
/// !!! DEPRECATED !!!
/// Uses outdated slot number format.
#[deprecated(
since = "10.1.0",
note = "Underlying value capacity of validity_start_interval (BigNum u64) bigger then Slot32. Use set_validity_start_interval_bignum instead."
)]
pub fn set_validity_start_interval(&mut self, validity_start_interval: Slot32) {
self.validity_start_interval = Some(validity_start_interval.into())
}
pub fn set_validity_start_interval_bignum(&mut self, validity_start_interval: SlotBigNum) {
self.validity_start_interval = Some(validity_start_interval.clone())
}
pub fn set_certs(&mut self, certs: &Certificates) {
self.certs = Some(certs.clone());
for cert in &certs.0 {
self.inputs
.add_required_signers(&witness_keys_for_cert(cert))
}
}
pub fn set_withdrawals(&mut self, withdrawals: &Withdrawals) {
self.withdrawals = Some(withdrawals.clone());
for (withdrawal, _coin) in &withdrawals.0 {
self.inputs
.add_required_signer(&withdrawal.payment_cred().to_keyhash().unwrap())
}
}
pub fn get_auxiliary_data(&self) -> Option<AuxiliaryData> {
self.auxiliary_data.clone()
}
/// Set explicit auxiliary data via an AuxiliaryData object
/// It might contain some metadata plus native or Plutus scripts
pub fn set_auxiliary_data(&mut self, auxiliary_data: &AuxiliaryData) {
self.auxiliary_data = Some(auxiliary_data.clone())
}
/// Set metadata using a GeneralTransactionMetadata object
/// It will be set to the existing or new auxiliary data in this builder
pub fn set_metadata(&mut self, metadata: &GeneralTransactionMetadata) {
let mut aux = self
.auxiliary_data
.as_ref()
.cloned()
.unwrap_or(AuxiliaryData::new());
aux.set_metadata(metadata);
self.set_auxiliary_data(&aux);
}
/// Add a single metadatum using TransactionMetadatumLabel and TransactionMetadatum objects
/// It will be securely added to existing or new metadata in this builder
pub fn add_metadatum(&mut self, key: &TransactionMetadatumLabel, val: &TransactionMetadatum) {
let mut metadata = self
.auxiliary_data
.as_ref()
.map(|aux| aux.metadata().as_ref().cloned())
.unwrap_or(None)
.unwrap_or(GeneralTransactionMetadata::new());
metadata.insert(key, val);
self.set_metadata(&metadata);
}
/// Add a single JSON metadatum using a TransactionMetadatumLabel and a String
/// It will be securely added to existing or new metadata in this builder
pub fn add_json_metadatum(
&mut self,
key: &TransactionMetadatumLabel,
val: String,
) -> Result<(), JsError> {
self.add_json_metadatum_with_schema(key, val, MetadataJsonSchema::NoConversions)
}
/// Add a single JSON metadatum using a TransactionMetadatumLabel, a String, and a MetadataJsonSchema object
/// It will be securely added to existing or new metadata in this builder
pub fn add_json_metadatum_with_schema(
&mut self,
key: &TransactionMetadatumLabel,
val: String,
schema: MetadataJsonSchema,
) -> Result<(), JsError> {
let metadatum = encode_json_str_to_metadatum(val, schema)?;
self.add_metadatum(key, &metadatum);
Ok(())
}
pub fn set_mint_builder(&mut self, mint_builder: &MintBuilder) {
self.mint = Some(mint_builder.clone());
}
pub fn get_mint_builder(&self) -> Option<MintBuilder> {
self.mint.clone()
}
/// !!! DEPRECATED !!!
/// Mints are defining by MintBuilder now.
/// Use `.set_mint_builder()` and `MintBuilder` instead.
#[deprecated(
since = "11.2.0",
note = "Mints are defining by MintBuilder now. Use `.set_mint_builder()` and `MintBuilder` instead."
)]
/// Set explicit Mint object and the required witnesses to this builder
/// it will replace any previously existing mint and mint scripts
/// NOTE! Error will be returned in case a mint policy does not have a matching script
pub fn set_mint(&mut self, mint: &Mint, mint_scripts: &NativeScripts) -> Result<(), JsError> {
assert_required_mint_scripts(mint, Some(mint_scripts))?;
let mut scripts_policies = HashMap::new();
for scipt in &mint_scripts.0 {
scripts_policies.insert(scipt.hash(), scipt.clone());
}
let mut mint_builder = MintBuilder::new();
for (policy_id, asset_map) in &mint.0 {
for (asset_name, amount) in &asset_map.0 {
if let Some(script) = scripts_policies.get(policy_id) {
let mint_witness = MintWitness::new_native_script(script);
mint_builder.set_asset(&mint_witness, asset_name, amount);
} else {
return Err(JsError::from_str("Mint policy does not have a matching script"));
}
}
}
self.mint = Some(mint_builder);
Ok(())
}
/// !!! DEPRECATED !!!
/// Mints are defining by MintBuilder now.
/// Use `.get_mint_builder()` and `.build()` instead.
#[deprecated(
since = "11.2.0",
note = "Mints are defining by MintBuilder now. Use `.get_mint_builder()` and `.build()` instead."
)]
/// Returns a copy of the current mint state in the builder
pub fn get_mint(&self) -> Option<Mint> {
match &self.mint {
Some(mint) => Some(mint.build()),
None => None,
}
}
/// Returns a copy of the current mint witness scripts in the builder
pub fn get_mint_scripts(&self) -> Option<NativeScripts> {
match &self.mint {
Some(mint) => Some(mint.get_native_scripts()),
None => None,
}
}
/// !!! DEPRECATED !!!
/// Mints are defining by MintBuilder now.
/// Use `.set_mint_builder()` and `MintBuilder` instead.
#[deprecated(
since = "11.2.0",
note = "Mints are defining by MintBuilder now. Use `.set_mint_builder()` and `MintBuilder` instead."
)]
/// Add a mint entry to this builder using a PolicyID and MintAssets object
/// It will be securely added to existing or new Mint in this builder
/// It will replace any existing mint assets with the same PolicyID
pub fn set_mint_asset(&mut self, policy_script: &NativeScript, mint_assets: &MintAssets) {
let mint_witness = MintWitness::new_native_script(policy_script);
if let Some(mint) = &mut self.mint {
for (asset, amount) in mint_assets.0.iter() {
mint.set_asset(&mint_witness, asset, amount);
}
} else {
let mut mint = MintBuilder::new();
for (asset, amount) in mint_assets.0.iter() {
mint.set_asset(&mint_witness, asset, amount);
}
self.mint = Some(mint);
}
}
/// !!! DEPRECATED !!!
/// Mints are defining by MintBuilder now.
/// Use `.set_mint_builder()` and `MintBuilder` instead.
#[deprecated(
since = "11.2.0",
note = "Mints are defining by MintBuilder now. Use `.set_mint_builder()` and `MintBuilder` instead."
)]
/// Add a mint entry to this builder using a PolicyID, AssetName, and Int object for amount
/// It will be securely added to existing or new Mint in this builder
/// It will replace any previous existing amount same PolicyID and AssetName
pub fn add_mint_asset(
&mut self,
policy_script: &NativeScript,
asset_name: &AssetName,
amount: Int,
) {
let mint_witness = MintWitness::new_native_script(policy_script);
if let Some(mint) = &mut self.mint {
mint.add_asset(&mint_witness, asset_name, &amount);
} else {
let mut mint = MintBuilder::new();
mint.add_asset(&mint_witness, asset_name, &amount);
self.mint = Some(mint);
}
}
/// Add a mint entry together with an output to this builder
/// Using a PolicyID, AssetName, Int for amount, Address, and Coin (BigNum) objects
/// The asset will be securely added to existing or new Mint in this builder
/// A new output will be added with the specified Address, the Coin value, and the minted asset
pub fn add_mint_asset_and_output(
&mut self,
policy_script: &NativeScript,
asset_name: &AssetName,
amount: Int,
output_builder: &TransactionOutputAmountBuilder,
output_coin: &Coin,
) -> Result<(), JsError> {
if !amount.is_positive() {
return Err(JsError::from_str("Output value must be positive!"));
}
let policy_id: PolicyID = policy_script.hash();
self.add_mint_asset(policy_script, asset_name, amount.clone());
let multiasset = Mint::new_from_entry(
&policy_id,
&MintAssets::new_from_entry(asset_name, amount.clone()),
)
.as_positive_multiasset();
self.add_output(
&output_builder
.with_coin_and_asset(&output_coin, &multiasset)
.build()?,
)
}
/// Add a mint entry together with an output to this builder
/// Using a PolicyID, AssetName, Int for amount, and Address objects
/// The asset will be securely added to existing or new Mint in this builder
/// A new output will be added with the specified Address and the minted asset
/// The output will be set to contain the minimum required amount of Coin
pub fn add_mint_asset_and_output_min_required_coin(
&mut self,
policy_script: &NativeScript,
asset_name: &AssetName,
amount: Int,
output_builder: &TransactionOutputAmountBuilder,
) -> Result<(), JsError> {
if !amount.is_positive() {
return Err(JsError::from_str("Output value must be positive!"));
}
let policy_id: PolicyID = policy_script.hash();
self.add_mint_asset(policy_script, asset_name, amount.clone());
let multiasset = Mint::new_from_entry(
&policy_id,
&MintAssets::new_from_entry(asset_name, amount.clone()),
)
.as_positive_multiasset();
self.add_output(
&output_builder
.with_asset_and_min_required_coin_by_utxo_cost(
&multiasset,
&self.config.utxo_cost(),
)?
.build()?,
)
}
pub fn new(cfg: &TransactionBuilderConfig) -> Self {
Self {
config: cfg.clone(),
inputs: TxInputsBuilder::new(),
collateral: TxInputsBuilder::new(),
outputs: TransactionOutputs::new(),
fee: None,
ttl: None,
certs: None,
withdrawals: None,
auxiliary_data: None,
validity_start_interval: None,
mint: None,
script_data_hash: None,
required_signers: Ed25519KeyHashes::new(),
collateral_return: None,
total_collateral: None,
reference_inputs: HashSet::new(),
}
}
pub fn get_reference_inputs(&self) -> TransactionInputs {
let mut inputs = self.reference_inputs.clone();
for input in self.inputs.get_ref_inputs().0 {
inputs.insert(input);
}
let vec_inputs = inputs.into_iter().collect();
TransactionInputs(vec_inputs)
}
/// does not include refunds or withdrawals
pub fn get_explicit_input(&self) -> Result<Value, JsError> {
self.inputs
.iter()
.try_fold(Value::zero(), |acc, ref tx_builder_input| {
acc.checked_add(&tx_builder_input.amount)
})
}
/// withdrawals and refunds
pub fn get_implicit_input(&self) -> Result<Value, JsError> {
internal_get_implicit_input(
&self.withdrawals,
&self.certs,
&self.config.pool_deposit,
&self.config.key_deposit,
)
}
/// Returns mint as tuple of (mint_value, burn_value) or two zero values
fn get_mint_as_values(&self) -> (Value, Value) {
self.mint
.as_ref()
.map(|m| {
(
Value::new_from_assets(&m.build().as_positive_multiasset()),
Value::new_from_assets(&m.build().as_negative_multiasset()),
)
})
.unwrap_or((Value::zero(), Value::zero()))
}
/// Return explicit input plus implicit input plus mint
pub fn get_total_input(&self) -> Result<Value, JsError> {
let (mint_value, _) = self.get_mint_as_values();
self.get_explicit_input()?
.checked_add(&self.get_implicit_input()?)?
.checked_add(&mint_value)
}
/// Return explicit output plus deposit plus burn
pub fn get_total_output(&self) -> Result<Value, JsError> {
let (_, burn_value) = self.get_mint_as_values();
self.get_explicit_output()?
.checked_add(&Value::new(&self.get_deposit()?))?
.checked_add(&burn_value)
}
/// does not include fee
pub fn get_explicit_output(&self) -> Result<Value, JsError> {
self.outputs
.0
.iter()
.try_fold(Value::new(&to_bignum(0)), |acc, ref output| {
acc.checked_add(&output.amount())
})
}
sourcepub fn data_hash(&self) -> Option<DataHash>
pub fn data_hash(&self) -> Option<DataHash>
Examples found in repository?
src/serialization.rs (line 749)
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fn serialize<'se, W: Write>(
&self,
serializer: &'se mut Serializer<W>,
) -> cbor_event::Result<&'se mut Serializer<W>> {
if self.has_plutus_data() || self.has_script_ref() {
//post alonzo output
let map_len = 2 + opt64(&self.plutus_data) + opt64(&self.script_ref);
serializer.write_map(cbor_event::Len::Len(map_len))?;
serializer.write_unsigned_integer(0)?;
self.address.serialize(serializer)?;
serializer.write_unsigned_integer(1)?;
self.amount.serialize(serializer)?;
if let Some(field) = &self.plutus_data {
serializer.write_unsigned_integer(2)?;
field.serialize(serializer)?;
}
if let Some(field) = &self.script_ref {
serializer.write_unsigned_integer(3)?;
field.serialize(serializer)?;
}
} else {
//lagacy output
let data_hash = &self.data_hash();
serializer.write_array(cbor_event::Len::Len(2 + opt64(&data_hash)))?;
self.address.serialize(serializer)?;
self.amount.serialize(serializer)?;
if let Some(pure_data_hash) = data_hash {
pure_data_hash.serialize(serializer)?;
}
}
Ok(serializer)
}
pub fn plutus_data(&self) -> Option<PlutusData>
pub fn script_ref(&self) -> Option<ScriptRef>
pub fn set_script_ref(&mut self, script_ref: &ScriptRef)
pub fn set_plutus_data(&mut self, data: &PlutusData)
pub fn set_data_hash(&mut self, data_hash: &DataHash)
sourcepub fn has_plutus_data(&self) -> bool
pub fn has_plutus_data(&self) -> bool
Examples found in repository?
src/serialization.rs (line 731)
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fn serialize<'se, W: Write>(
&self,
serializer: &'se mut Serializer<W>,
) -> cbor_event::Result<&'se mut Serializer<W>> {
if self.has_plutus_data() || self.has_script_ref() {
//post alonzo output
let map_len = 2 + opt64(&self.plutus_data) + opt64(&self.script_ref);
serializer.write_map(cbor_event::Len::Len(map_len))?;
serializer.write_unsigned_integer(0)?;
self.address.serialize(serializer)?;
serializer.write_unsigned_integer(1)?;
self.amount.serialize(serializer)?;
if let Some(field) = &self.plutus_data {
serializer.write_unsigned_integer(2)?;
field.serialize(serializer)?;
}
if let Some(field) = &self.script_ref {
serializer.write_unsigned_integer(3)?;
field.serialize(serializer)?;
}
} else {
//lagacy output
let data_hash = &self.data_hash();
serializer.write_array(cbor_event::Len::Len(2 + opt64(&data_hash)))?;
self.address.serialize(serializer)?;
self.amount.serialize(serializer)?;
if let Some(pure_data_hash) = data_hash {
pure_data_hash.serialize(serializer)?;
}
}
Ok(serializer)
}
pub fn has_data_hash(&self) -> bool
sourcepub fn has_script_ref(&self) -> bool
pub fn has_script_ref(&self) -> bool
Examples found in repository?
src/serialization.rs (line 731)
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fn serialize<'se, W: Write>(
&self,
serializer: &'se mut Serializer<W>,
) -> cbor_event::Result<&'se mut Serializer<W>> {
if self.has_plutus_data() || self.has_script_ref() {
//post alonzo output
let map_len = 2 + opt64(&self.plutus_data) + opt64(&self.script_ref);
serializer.write_map(cbor_event::Len::Len(map_len))?;
serializer.write_unsigned_integer(0)?;
self.address.serialize(serializer)?;
serializer.write_unsigned_integer(1)?;
self.amount.serialize(serializer)?;
if let Some(field) = &self.plutus_data {
serializer.write_unsigned_integer(2)?;
field.serialize(serializer)?;
}
if let Some(field) = &self.script_ref {
serializer.write_unsigned_integer(3)?;
field.serialize(serializer)?;
}
} else {
//lagacy output
let data_hash = &self.data_hash();
serializer.write_array(cbor_event::Len::Len(2 + opt64(&data_hash)))?;
self.address.serialize(serializer)?;
self.amount.serialize(serializer)?;
if let Some(pure_data_hash) = data_hash {
pure_data_hash.serialize(serializer)?;
}
}
Ok(serializer)
}
sourcepub fn new(address: &Address, amount: &Value) -> Self
pub fn new(address: &Address, amount: &Value) -> Self
Examples found in repository?
More examples
src/tx_builder.rs (line 756)
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pub fn set_total_collateral_and_return(
&mut self,
total_collateral: &Coin,
return_address: &Address,
) -> Result<(), JsError> {
let collateral = &self.collateral;
if collateral.len() == 0 {
return Err(JsError::from_str(
"Cannot calculate collateral return when collateral inputs are missing",
));
}
let col_input_value: Value = collateral.total_value()?;
let col_return: Value = col_input_value.checked_sub(&Value::new(&total_collateral))?;
if col_return.multiasset.is_some() || col_return.coin > BigNum::zero() {
let return_output = TransactionOutput::new(return_address, &col_return);
let min_ada = min_ada_for_output(&return_output, &self.config.utxo_cost())?;
if min_ada > col_return.coin {
return Err(JsError::from_str(&format!(
"Not enough coin to make return on the collateral value!\
Decrease the total collateral value or add more collateral inputs. \
Min ada for return {}, but was {}",
min_ada, col_return.coin
)));
}
self.collateral_return = Some(return_output);
}
self.set_total_collateral(total_collateral);
Ok(())
}
Trait Implementations§
source§impl Clone for TransactionOutput
impl Clone for TransactionOutput
source§fn clone(&self) -> TransactionOutput
fn clone(&self) -> TransactionOutput
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Debug for TransactionOutput
impl Debug for TransactionOutput
source§impl<'de> Deserialize<'de> for TransactionOutput
impl<'de> Deserialize<'de> for TransactionOutput
source§fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
Deserialize this value from the given Serde deserializer. Read more
source§impl Deserialize for TransactionOutput
impl Deserialize for TransactionOutput
fn deserialize<R: BufRead + Seek>(
raw: &mut Deserializer<R>
) -> Result<Self, DeserializeError>
source§impl DeserializeEmbeddedGroup for TransactionOutput
impl DeserializeEmbeddedGroup for TransactionOutput
fn deserialize_as_embedded_group<R: BufRead + Seek>(
raw: &mut Deserializer<R>,
_: Len
) -> Result<Self, DeserializeError>
source§impl JsonSchema for TransactionOutput
impl JsonSchema for TransactionOutput
source§fn schema_name() -> String
fn schema_name() -> String
The name of the generated JSON Schema. Read more
source§fn json_schema(gen: &mut SchemaGenerator) -> Schema
fn json_schema(gen: &mut SchemaGenerator) -> Schema
Generates a JSON Schema for this type. Read more
source§fn is_referenceable() -> bool
fn is_referenceable() -> bool
Whether JSON Schemas generated for this type should be re-used where possible using the
$ref
keyword. Read moresource§impl Ord for TransactionOutput
impl Ord for TransactionOutput
source§fn cmp(&self, other: &TransactionOutput) -> Ordering
fn cmp(&self, other: &TransactionOutput) -> Ordering
1.21.0 · source§fn max(self, other: Self) -> Selfwhere
Self: Sized,
fn max(self, other: Self) -> Selfwhere
Self: Sized,
Compares and returns the maximum of two values. Read more
source§impl PartialEq<TransactionOutput> for TransactionOutput
impl PartialEq<TransactionOutput> for TransactionOutput
source§fn eq(&self, other: &TransactionOutput) -> bool
fn eq(&self, other: &TransactionOutput) -> bool
This method tests for
self
and other
values to be equal, and is used
by ==
.source§impl PartialOrd<TransactionOutput> for TransactionOutput
impl PartialOrd<TransactionOutput> for TransactionOutput
source§fn partial_cmp(&self, other: &TransactionOutput) -> Option<Ordering>
fn partial_cmp(&self, other: &TransactionOutput) -> Option<Ordering>
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
This method tests less than or equal to (for
self
and other
) and is used by the <=
operator. Read more