099161ed0b
Add a label parameter to the WalletController SendOutputs endpoint and update rpcs that use it to allow optional provision of labels.
34 lines
1.0 KiB
Go
34 lines
1.0 KiB
Go
// Package labels contains labels used to label transactions broadcast by lnd.
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// These labels are used across packages, so they are declared in a separate
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// package to avoid dependency issues.
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package labels
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import (
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"fmt"
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"github.com/btcsuite/btcwallet/wtxmgr"
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)
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// External labels a transaction as user initiated via the api. This
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// label is only used when a custom user provided label is not given.
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const External = "external"
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// ValidateAPI returns the generic api label if the label provided is empty.
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// This allows us to label all transactions published by the api, even if
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// no label is provided. If a label is provided, it is validated against
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// the known restrictions.
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func ValidateAPI(label string) (string, error) {
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if len(label) > wtxmgr.TxLabelLimit {
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return "", fmt.Errorf("label length: %v exceeds "+
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"limit of %v", len(label), wtxmgr.TxLabelLimit)
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}
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// If no label was provided by the user, add the generic user
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// send label.
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if len(label) == 0 {
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return External, nil
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}
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return label, nil
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}
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