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25 lines
502 B
Go
25 lines
502 B
Go
package interopnames
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import (
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"crypto/sha256"
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"encoding/binary"
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"errors"
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)
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var errNotFound = errors.New("interop not found")
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// ToID returns an identificator of the method based on its name.
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func ToID(name []byte) uint32 {
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h := sha256.Sum256(name)
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return binary.LittleEndian.Uint32(h[:4])
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}
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// FromID returns interop name from its id.
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func FromID(id uint32) (string, error) {
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for i := range names {
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if id == ToID([]byte(names[i])) {
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return names[i], nil
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}
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}
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return "", errNotFound
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}
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