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TransactionRequest

zcash_client_backend::zip321

Struct TransactionRequest 

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

A ZIP321 transaction request.

A ZIP 321 request may include one or more such requests for payment. When constructing a transaction in response to such a request, a separate output should be added to the transaction for each payment value in the request.

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impl TransactionRequest

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pub fn empty() -> TransactionRequest

Constructs a new empty transaction request.

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pub fn new(payments: Vec<Payment>) -> Result<TransactionRequest, Zip321Error>

Constructs a new transaction request that obeys the ZIP-321 invariants.

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pub fn from_indexed( payments: BTreeMap<usize, Payment>, ) -> Result<TransactionRequest, Zip321Error>

Constructs a new transaction request from the provided map from payment index to payment.

Payment index 0 will be mapped to the empty payment index.

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pub fn payments(&self) -> &BTreeMap<usize, Payment>

Returns the map of payments that make up this request.

This is a map from payment index to payment. Payment index 0 is used to denote the empty payment index in the returned values.

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pub fn total(&self) -> Result<Option<Zatoshis>, BalanceError>

Returns the total value of payments to be made.

Returns Ok(None) if any payment does not specify an amount, as the total of the request is not well-defined in this circumstance.

Returns Err if any summation step results in a value outside the range 0..=MAX_MONEY zatoshis.

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pub fn to_uri(&self) -> String

Convert this request to a URI string.

Returns None if the payment request is empty.

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pub fn from_uri(uri: &str) -> Result<TransactionRequest, Zip321Error>

Parse the provided URI to a payment request value.

Trait Implementations§

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impl Clone for TransactionRequest

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fn clone(&self) -> TransactionRequest

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

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

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

Formats the value using the given formatter. Read more
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impl Eq for TransactionRequest

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impl PartialEq for TransactionRequest

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for TransactionRequest

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