|  | 
|  | 1 | +package tcs | 
|  | 2 | + | 
|  | 3 | +import ( | 
|  | 4 | +	"fmt" | 
|  | 5 | +) | 
|  | 6 | + | 
|  | 7 | +// DecodingError represents an error that occurs during decoding operations. | 
|  | 8 | +type DecodingError struct { | 
|  | 9 | +	ObjectType string | 
|  | 10 | +	Text       string | 
|  | 11 | +	Err        error | 
|  | 12 | +} | 
|  | 13 | + | 
|  | 14 | +// Error returns the error message. | 
|  | 15 | +func (e DecodingError) Error() string { | 
|  | 16 | +	suffix := e.ObjectType | 
|  | 17 | +	if e.Text != "" { | 
|  | 18 | +		suffix = fmt.Sprintf("%s, %s", suffix, e.Text) | 
|  | 19 | +	} | 
|  | 20 | + | 
|  | 21 | +	return fmt.Sprintf("failed to decode %s: %s", suffix, e.Err) | 
|  | 22 | +} | 
|  | 23 | + | 
|  | 24 | +func (e DecodingError) Unwrap() error { | 
|  | 25 | +	return e.Err | 
|  | 26 | +} | 
|  | 27 | + | 
|  | 28 | +// NewTxnOpResponseDecodingError returns a new txnOpResponse decoding error. | 
|  | 29 | +func NewTxnOpResponseDecodingError(err error) error { | 
|  | 30 | +	if err == nil { | 
|  | 31 | +		return nil | 
|  | 32 | +	} | 
|  | 33 | + | 
|  | 34 | +	return DecodingError{ | 
|  | 35 | +		ObjectType: "txnOpResponse", | 
|  | 36 | +		Text:       "", | 
|  | 37 | +		Err:        err, | 
|  | 38 | +	} | 
|  | 39 | +} | 
|  | 40 | + | 
|  | 41 | +// EncodingError represents an error that occurs during encoding operations. | 
|  | 42 | +type EncodingError struct { | 
|  | 43 | +	ObjectType string | 
|  | 44 | +	Text       string | 
|  | 45 | +	Err        error | 
|  | 46 | +} | 
|  | 47 | + | 
|  | 48 | +// Error returns the error message. | 
|  | 49 | +func (e EncodingError) Error() string { | 
|  | 50 | +	if e.Text == "" { | 
|  | 51 | +		return fmt.Sprintf("failed to encode %s: %s", e.ObjectType, e.Err) | 
|  | 52 | +	} | 
|  | 53 | + | 
|  | 54 | +	return fmt.Sprintf("failed to encode %s, %s: %s", e.ObjectType, e.Text, e.Err) | 
|  | 55 | +} | 
|  | 56 | + | 
|  | 57 | +func (e EncodingError) Unwrap() error { | 
|  | 58 | +	return e.Err | 
|  | 59 | +} | 
|  | 60 | + | 
|  | 61 | +// NewOperationEncodingError returns a new operation encoding error. | 
|  | 62 | +func NewOperationEncodingError(text string, err error) error { | 
|  | 63 | +	if err == nil { | 
|  | 64 | +		return nil | 
|  | 65 | +	} | 
|  | 66 | + | 
|  | 67 | +	return EncodingError{ | 
|  | 68 | +		ObjectType: "operation", | 
|  | 69 | +		Text:       text, | 
|  | 70 | +		Err:        err, | 
|  | 71 | +	} | 
|  | 72 | +} | 
|  | 73 | + | 
|  | 74 | +// NewPredicateEncodingError returns a new predicate encoding error. | 
|  | 75 | +func NewPredicateEncodingError(text string, err error) error { | 
|  | 76 | +	if err == nil { | 
|  | 77 | +		return nil | 
|  | 78 | +	} | 
|  | 79 | + | 
|  | 80 | +	return EncodingError{ | 
|  | 81 | +		ObjectType: "predicate", | 
|  | 82 | +		Text:       text, | 
|  | 83 | +		Err:        err, | 
|  | 84 | +	} | 
|  | 85 | +} | 
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