TransactionBuilder

melstructs

Struct TransactionBuilder 

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

A helper struct for creating transactions.

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impl TransactionBuilder

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pub fn new() -> Self

Creates a new TransactionBuilder.

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pub fn kind(self, kind: TxKind) -> Self

Sets the kind.

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pub fn input(self, coin_id: CoinID, coin_data: CoinData) -> Self

Adds an input. A CoinData must be provided.

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pub fn output(self, data: CoinData) -> Self

Adds an output.

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pub fn covenant(self, script: Bytes) -> Self

Adds a covenant script.

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pub fn fee(self, fee: CoinValue) -> Self

Adds a fee.

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pub fn auto_base_fee( self, fee_multiplier: u128, max_sig_count: usize, max_sig_size: usize, cov_to_weight: impl Fn(&[u8]) -> u128, ) -> Self

“Automatically” adds the base fee. An upper-bound for the number of signatures and the size of each signature is required.

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pub fn change(self, denom: Denom, change_addr: Address) -> Self

Balance the transaction on the given denomination. Sends any excess to a change output.

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pub fn build(self) -> Result<Transaction, TransactionBuildError>

Attempts to generate the transaction.

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pub fn data(self, data: Bytes) -> Self

Sets the associated data.

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impl Debug for TransactionBuilder

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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 TransactionBuilder

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fn default() -> Self

Returns the “default value” for a type. Read more

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> Conv for T

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fn conv<T>(self) -> T
where Self: Into<T>,

Converts self into T using Into<T>. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
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Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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type Err = Infallible

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fn into_result(self) -> Result<T, <T as IntoResult<T>>::Err>

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impl<T> Pipe for T
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fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R
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Pipes by value. This is generally the method you want to use. Read more
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fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R
where R: 'a,

Borrows self and passes that borrow into the pipe function. Read more
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fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R
where R: 'a,

Mutably borrows self and passes that borrow into the pipe function. Read more
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fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R
where Self: Borrow<B>, B: 'a + ?Sized, R: 'a,

Borrows self, then passes self.borrow() into the pipe function. Read more
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fn pipe_borrow_mut<'a, B, R>( &'a mut self, func: impl FnOnce(&'a mut B) -> R, ) -> R
where Self: BorrowMut<B>, B: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.borrow_mut() into the pipe function. Read more
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where Self: AsRef<U>, U: 'a + ?Sized, R: 'a,

Borrows self, then passes self.as_ref() into the pipe function.
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where Self: AsMut<U>, U: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.as_mut() into the pipe function.
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where Self: Deref<Target = T>, T: 'a + ?Sized, R: 'a,

Borrows self, then passes self.deref() into the pipe function.
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fn pipe_deref_mut<'a, T, R>( &'a mut self, func: impl FnOnce(&'a mut T) -> R, ) -> R
where Self: DerefMut<Target = T> + Deref, T: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.deref_mut() into the pipe function.
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impl<T> Same for T

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type Output = T

Should always be Self
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fn tap(self, func: impl FnOnce(&Self)) -> Self

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Mutable access to a value. Read more
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fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self
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Immutable access to the Borrow<B> of a value. Read more
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fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self
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Mutable access to the BorrowMut<B> of a value. Read more
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Immutable access to the AsRef<R> view of a value. Read more
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Mutable access to the AsMut<R> view of a value. Read more
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Immutable access to the Deref::Target of a value. Read more
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Calls .tap_borrow_mut() only in debug builds, and is erased in release builds.
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fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
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fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self
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