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errorHandling.go
46 lines (37 loc) · 1.05 KB
/
errorHandling.go
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package core
import (
"errors"
"strings"
)
// IsGetNodeFromDBError returns true if the provided error is of type getNodeFromDB
func IsGetNodeFromDBError(err error) bool {
if err == nil {
return false
}
if IsClosingError(err) {
return false
}
return strings.Contains(err.Error(), GetNodeFromDBErrorString)
}
// IsClosingError returns true if the provided error is used whenever the node is in the closing process
func IsClosingError(err error) bool {
if err == nil {
return false
}
errString := err.Error()
return strings.Contains(errString, ErrDBIsClosed.Error()) ||
strings.Contains(errString, ErrContextClosing.Error())
}
// UnwrapGetNodeFromDBErr unwraps the provided error until it finds a GetNodeFromDbErrHandler
func UnwrapGetNodeFromDBErr(wrappedErr error) GetNodeFromDbErrHandler {
errWithKeyHandler, ok := wrappedErr.(GetNodeFromDbErrHandler)
for !ok {
if wrappedErr == nil {
return nil
}
err := errors.Unwrap(wrappedErr)
errWithKeyHandler, ok = err.(GetNodeFromDbErrHandler)
wrappedErr = err
}
return errWithKeyHandler
}