selector!: Swap ChangePolicyType for bdk_coin_select::ChangePolicy
#32
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The spend weight now accounts for both the weight of a default `TxIn` as well as the expected satisfaction weight.
This is redundant now that SelectorParams holds the ChangePolicy directly.
The name "strategy" is better suited for the enum, as it implies different strategies can be used, and helps to disambiguate from other similarly named types `Target` and `TargetFee`, etc.
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ChangePolicyType for bdk_coin_select::ChangePolicy
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Rebased on #31. |
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Description
Fix #29 by removing
ChangePolicyTypefromSelectorParamsin favor ofbdk_coin_select::ChangePolicy. The idea is that this affords maximum flexibility when defining the change policy.Builds on #31 which implements absolute fee targeting. h/t aagbotemi. A test
test_absolute_fee_vs_feerate_target_valueis added that checks the expectedTargetis constructed based on the chosenFeeStrategy.Changelog
Added
FeeStrategyenum which defines the fee target as either a feerate or fee amount.Changed
BREAKING
SelectorParams::target_feeratefield is changed tofee_strategy.SelectorParams::change_policyfield is changed to have typebdk_coin_select::ChangePolicy.SelectorParams::newis changed to accept thefee_strategyandchange_policyas inputs.Removed
SelectorParams::change_weightfield is removed now that the change weights are represented in the actual change policy.SelectorParams::to_cs_change_policyas the conversion is no longer necessary.ChangePolicyTypeenum to allow the user to construct the intendedChangePolicy.