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ee5d84b323
Reject duplicate static-address deposit outpoints before creating withdrawal, loop-in, or channel-open requests. Use the shared outpoint duplicate helper so each flow reports the same input validation failure.
21 lines
444 B
Go
21 lines
444 B
Go
package deposit
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import (
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"fmt"
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"github.com/btcsuite/btcd/wire"
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)
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// CheckDuplicates returns an error if the outpoint list contains duplicates.
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func CheckDuplicates(outpoints []wire.OutPoint) error {
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seen := make(map[wire.OutPoint]struct{}, len(outpoints))
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for _, outpoint := range outpoints {
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if _, ok := seen[outpoint]; ok {
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return fmt.Errorf("duplicate outpoint %v", outpoint)
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}
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seen[outpoint] = struct{}{}
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}
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return nil
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}
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