Transaction
FewestCoinSelector
The FewestCoinSelector class provides a coin selection algorithm that selects the fewest UTXOs required to meet the
target amount. This algorithm is useful for minimizing the size of the transaction and the fees associated with it.
This class is a sub-class of AbstractCoinSelector | AbstractCoinSelector and implements the
AbstractCoinSelector.performSelection | performSelection method to provide the actual coin selection
logic.
Constructs a new AbstractCoinSelector instance with an empty UTXO array.
Decreases the fee by removing inputs if possible and adjusting change outputs.
Increases the total fee by first reducing change outputs, then selecting additional inputs if necessary.
Performs coin selection to meet the target amount plus fee, using the smallest possible denominations and
minimizing the number of inputs and outputs.
Extends
AbstractCoinSelector
Constructors
new FewestCoinSelector()
Parameters
| Parameter | Type | Default value |
|---|---|---|
availableUTXOs | UTXO[] | [] |
Returns
FewestCoinSelector
Inherited from
AbstractCoinSelector.constructor
Source
transaction/abstract-coinselector.ts:61Methods
decreaseFee()
Parameters
| Parameter | Type | Description |
|---|---|---|
feeReduction | bigint | The amount by which the fee has decreased. |
Returns
SelectedCoinsResult
Source
transaction/coinselector-fewest.ts:280increaseFee()
Parameters
| Parameter | Type | Description |
|---|---|---|
additionalFeeNeeded | bigint | The additional fee needed. |
Returns
SelectedCoinsResult
Returns true if successful, false if insufficient funds.
Source
transaction/coinselector-fewest.ts:226performSelection()
Parameters
| Parameter | Type |
|---|---|
config | CoinSelectionConfig |
Returns
SelectedCoinsResult
The selected UTXOs and outputs.
Overrides
AbstractCoinSelector.performSelection