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e0367e552a
Withdrawals obtain signatures before deposits enter their durable state, leaving a window where a loop-in can select the same outputs. Coordinate in-flight client operations with an in-memory registry. Persist withdrawal data before publication. Existing recovery resumes it after restart.
48 lines
1.7 KiB
Go
48 lines
1.7 KiB
Go
package withdraw
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import (
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"context"
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"github.com/btcsuite/btcd/wire"
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"github.com/lightninglabs/loop/fsm"
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"github.com/lightninglabs/loop/staticaddr/deposit"
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"github.com/lightninglabs/loop/staticaddr/script"
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)
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// AddressManager handles fetching of address parameters.
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type AddressManager interface {
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// GetStaticAddressParameters returns the static address parameters.
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GetStaticAddressParameters(ctx context.Context) (*script.Parameters,
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error)
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// GetStaticAddress returns the deposit address for the given
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// client and server public keys.
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GetStaticAddress(ctx context.Context) (*script.StaticAddress, error)
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}
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type DepositManager interface {
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// EnsureDepositsFresh reconciles active deposits with the wallet view.
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EnsureDepositsFresh(ctx context.Context) error
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// RegisterDepositUse registers the deposits for exclusive use by this
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// client operation and returns a function that unregisters them.
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RegisterDepositUse(deposits []*deposit.Deposit) (func(), error)
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// GetActiveDepositsInState returns all active deposits in the given
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// state.
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GetActiveDepositsInState(stateFilter fsm.StateType) ([]*deposit.Deposit,
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error)
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// AllOutpointsActiveDeposits returns all active deposits referenced by
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// the outpoints if every deposit is active and in the given state.
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AllOutpointsActiveDeposits(outpoints []wire.OutPoint,
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stateFilter fsm.StateType) ([]*deposit.Deposit, bool)
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// TransitionDeposits transitions the deposits with the given event and
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// waits until they reach the expected final state.
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TransitionDeposits(ctx context.Context, deposits []*deposit.Deposit,
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event fsm.EventType, expectedFinalState fsm.StateType) error
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// UpdateDeposit persists the current deposit fields.
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UpdateDeposit(ctx context.Context, d *deposit.Deposit) error
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}
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