github.com/koko1123/flow-go-1@v0.29.6/ledger/errors.go (about)

     1  package ledger
     2  
     3  // ErrLedgerConstruction is returned upon a failure in ledger creation steps
     4  type ErrLedgerConstruction struct {
     5  	Err error
     6  }
     7  
     8  func (e ErrLedgerConstruction) Error() string {
     9  	return e.Err.Error()
    10  }
    11  
    12  // Is returns true if the type of errors are the same
    13  func (e ErrLedgerConstruction) Is(other error) bool {
    14  	_, ok := other.(ErrLedgerConstruction)
    15  	return ok
    16  }
    17  
    18  // NewErrLedgerConstruction constructs a new ledger construction error
    19  func NewErrLedgerConstruction(err error) *ErrLedgerConstruction {
    20  	return &ErrLedgerConstruction{err}
    21  }
    22  
    23  // ErrMissingKeys is returned when some keys are not found in the ledger
    24  // this is mostly used when dealing with partial ledger
    25  type ErrMissingKeys struct {
    26  	Keys []Key
    27  }
    28  
    29  func (e ErrMissingKeys) Error() string {
    30  	str := "keys are missing: \n"
    31  	for _, k := range e.Keys {
    32  		str += "\t" + k.String() + "\n"
    33  	}
    34  	return str
    35  }
    36  
    37  // Is returns true if the type of errors are the same
    38  func (e ErrMissingKeys) Is(other error) bool {
    39  	_, ok := other.(ErrMissingKeys)
    40  	return ok
    41  }
    42  
    43  // TODO add more errors
    44  // ErrorFetchQuery
    45  // ErrorCommitChanges
    46  // ErrorMissingKeys