50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
package keyring
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import (
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"fmt"
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"strings"
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"github.com/cosmos/cosmos-sdk/crypto/hd"
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)
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// SignatureAlgo defines the interface for a keyring supported algorithm.
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type SignatureAlgo interface {
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Name() hd.PubKeyType
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Derive() hd.DeriveFn
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Generate() hd.GenerateFn
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}
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// NewSigningAlgoFromString creates a supported SignatureAlgo.
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func NewSigningAlgoFromString(str string, algoList SigningAlgoList) (SignatureAlgo, error) {
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for _, algo := range algoList {
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if str == string(algo.Name()) {
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return algo, nil
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}
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}
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return nil, fmt.Errorf("provided algorithm %q is not supported", str)
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}
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// SigningAlgoList is a slice of signature algorithms
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type SigningAlgoList []SignatureAlgo
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// Contains returns true if the SigningAlgoList the given SignatureAlgo.
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func (sal SigningAlgoList) Contains(algo SignatureAlgo) bool {
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for _, cAlgo := range sal {
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if cAlgo.Name() == algo.Name() {
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return true
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}
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}
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return false
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}
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// String returns a comma separated string of the signature algorithm names in the list.
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func (sal SigningAlgoList) String() string {
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names := make([]string, len(sal))
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for i := range sal {
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names[i] = string(sal[i].Name())
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}
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return strings.Join(names, ",")
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}
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