ProtocolParameters

cardano_sdk::protocol_parameters

Struct ProtocolParameters 

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pub struct ProtocolParameters { /* private fields */ }
Expand description

Protocol parameters restricted to the set immediately useful to this library.

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impl ProtocolParameters

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pub fn mainnet() -> Self

Current Mainnet protocol parameters.

This may drift from actual parameters based on protocol updates. Ideally, parameters should be reconstructed from a blockchain provider.
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pub fn preprod() -> Self

Current PreProd protocol parameters.

This may drift from actual parameters based on protocol updates. Ideally, parameters should be reconstructed from a blockchain provider.
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pub fn preview() -> Self

Current PreProd protocol parameters.

This may drift from actual parameters based on protocol updates. Ideally, parameters should be reconstructed from a blockchain provider.

FIXME :: This has not been verified.

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pub fn posix_to_slot(&self, posix: Duration) -> u64

Translate a posix time to a slot number for that particular network.

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pub fn with_fee_per_byte(self, fee_per_byte: u64) -> Self

Specify the multiplier fee coefficient on the size of transactions, in lovelace/bytes

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pub fn with_fee_constant(self, fee_constant: u64) -> Self

Flat/fixed fee for all transactions, in lovelace

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pub fn with_collateral_coefficient(self, collateral_coefficient: f64) -> Self

Specify the coefficient to apply to fees to obtain the collateral, in lovelace

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pub fn with_referenced_scripts_base_fee_per_byte( self, referenced_scripts_base_fee_per_byte: u64, ) -> Self

Specify the initial fee coefficient on the size of referenced scripts, in lovelace/bytes

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pub fn with_referenced_scripts_fee_multiplier( self, referenced_scripts_fee_multiplier: Ratio<u64>, ) -> Self

Specify the multiplier exponentially increasing the cost of reference scripts at each size step.

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pub fn with_referenced_scripts_fee_step_size( self, referenced_scripts_fee_step_size: u64, ) -> Self

Specify the size of each step after which the cost of referenced script bytes increases, in bytes

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pub fn with_execution_price_mem(self, price_mem: f64) -> Self

Specify the price of a single memory execution unit, in lovelace/unit

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pub fn with_execution_price_cpu(self, price_cpu: f64) -> Self

Specify the price of a single cpu execution unit, in lovelace/unit

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pub fn with_start_time(self, start_time: u64) -> Self

Specify the network POSIX start time, in seconds.

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pub fn with_first_shelley_slot(self, first_shelley_slot: u64) -> Self

The first (not-necessarily active) slot of the Shelley era.

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pub fn with_plutus_v3_cost_model(self, cost_model: Vec<i64>) -> Self

Specify the cost model for Plutus version 3, ordered according to the “spec”

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impl ProtocolParameters

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pub fn base_fee(&self, size: u64) -> u64

Base transaction fee, computed from the size of a serialised transaction.

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pub fn referenced_scripts_fee(&self, size: u64) -> u64

Compute the tiered-fee of included reference scripts according to ADR- 2024-08-14_009-refscripts-fee-change.

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pub fn minimum_collateral(&self, base_fee: u64) -> u64

Compute the minimum collateral value, based on the current transaction fee.

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pub fn price_mem(&self, execution_units: u64) -> u64

Compute the price, in lovelace, of memory units usage.

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pub fn price_cpu(&self, execution_units: u64) -> u64

Compute the price, in lovelace, of cpu units usage.

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pub fn plutus_v3_cost_model(&self) -> &Vec<i64>

Trait Implementations§

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impl Clone for ProtocolParameters

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fn clone(&self) -> ProtocolParameters

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for ProtocolParameters

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for ProtocolParameters

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl From<&ProtocolParameters> for SlotConfig

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fn from(params: &ProtocolParameters) -> Self

Converts to this type from the input type.
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impl From<Network> for ProtocolParameters

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fn from(network: Network) -> ProtocolParameters

Converts to this type from the input type.
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impl PartialEq for ProtocolParameters

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fn eq(&self, other: &ProtocolParameters) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl PartialOrd for ProtocolParameters

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fn partial_cmp(&self, other: &ProtocolParameters) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl StructuralPartialEq for ProtocolParameters

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🔬This is a nightly-only experimental API. (clone_to_uninit)
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