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author | obscuren <geffobscura@gmail.com> | 2014-12-04 17:28:02 +0800 |
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committer | obscuren <geffobscura@gmail.com> | 2014-12-04 17:28:02 +0800 |
commit | 9008b155d3c8d2a32c4c8945f1174243d48d4e90 (patch) | |
tree | a55140b7d4802a0db14cbc265b8ca21d44d6f10a /core/error.go | |
parent | b6cb5272de96185b424d5c6c4a817d99f536d29b (diff) | |
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Renamed `chain` => `core`
Diffstat (limited to 'core/error.go')
-rw-r--r-- | core/error.go | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/core/error.go b/core/error.go new file mode 100644 index 000000000..11d8c1653 --- /dev/null +++ b/core/error.go @@ -0,0 +1,141 @@ +package core + +import ( + "fmt" + "math/big" +) + +// Parent error. In case a parent is unknown this error will be thrown +// by the block manager +type ParentErr struct { + Message string +} + +func (err *ParentErr) Error() string { + return err.Message +} + +func ParentError(hash []byte) error { + return &ParentErr{Message: fmt.Sprintf("Block's parent unkown %x", hash)} +} + +func IsParentErr(err error) bool { + _, ok := err.(*ParentErr) + + return ok +} + +type UncleErr struct { + Message string +} + +func (err *UncleErr) Error() string { + return err.Message +} + +func UncleError(str string) error { + return &UncleErr{Message: str} +} + +func IsUncleErr(err error) bool { + _, ok := err.(*UncleErr) + + return ok +} + +// Block validation error. If any validation fails, this error will be thrown +type ValidationErr struct { + Message string +} + +func (err *ValidationErr) Error() string { + return err.Message +} + +func ValidationError(format string, v ...interface{}) *ValidationErr { + return &ValidationErr{Message: fmt.Sprintf(format, v...)} +} + +func IsValidationErr(err error) bool { + _, ok := err.(*ValidationErr) + + return ok +} + +type GasLimitErr struct { + Message string + Is, Max *big.Int +} + +func IsGasLimitErr(err error) bool { + _, ok := err.(*GasLimitErr) + + return ok +} +func (err *GasLimitErr) Error() string { + return err.Message +} +func GasLimitError(is, max *big.Int) *GasLimitErr { + return &GasLimitErr{Message: fmt.Sprintf("GasLimit error. Max %s, transaction would take it to %s", max, is), Is: is, Max: max} +} + +type NonceErr struct { + Message string + Is, Exp uint64 +} + +func (err *NonceErr) Error() string { + return err.Message +} + +func NonceError(is, exp uint64) *NonceErr { + return &NonceErr{Message: fmt.Sprintf("Nonce err. Is %d, expected %d", is, exp), Is: is, Exp: exp} +} + +func IsNonceErr(err error) bool { + _, ok := err.(*NonceErr) + + return ok +} + +type OutOfGasErr struct { + Message string +} + +func OutOfGasError() *OutOfGasErr { + return &OutOfGasErr{Message: "Out of gas"} +} +func (self *OutOfGasErr) Error() string { + return self.Message +} + +func IsOutOfGasErr(err error) bool { + _, ok := err.(*OutOfGasErr) + + return ok +} + +type TDError struct { + a, b *big.Int +} + +func (self *TDError) Error() string { + return fmt.Sprintf("incoming chain has a lower or equal TD (%v <= %v)", self.a, self.b) +} +func IsTDError(e error) bool { + _, ok := e.(*TDError) + return ok +} + +type KnownBlockError struct { + number *big.Int + hash []byte +} + +func (self *KnownBlockError) Error() string { + return fmt.Sprintf("block %v already known (%x)", self.number, self.hash[0:4]) +} +func IsKnownBlockErr(e error) bool { + _, ok := e.(*KnownBlockError) + return ok +} |