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authorobscuren <geffobscura@gmail.com>2014-10-23 20:04:00 +0800
committerobscuren <geffobscura@gmail.com>2014-10-23 20:04:00 +0800
commitfeef194829b07570e91873ed5d1e8cc51e8fa430 (patch)
tree7ccb57a57bc538c8ae242fcad95f96218b21862e /vm/errors.go
parent91c876831a3b616beb759c30d705407845ffc3ee (diff)
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Chnged to use GetOp instead & added error + checking
Diffstat (limited to 'vm/errors.go')
-rw-r--r--vm/errors.go51
1 files changed, 51 insertions, 0 deletions
diff --git a/vm/errors.go b/vm/errors.go
new file mode 100644
index 000000000..ab011bd62
--- /dev/null
+++ b/vm/errors.go
@@ -0,0 +1,51 @@
+package vm
+
+import (
+ "fmt"
+ "math/big"
+)
+
+type OutOfGasError struct {
+ req, has *big.Int
+}
+
+func OOG(req, has *big.Int) OutOfGasError {
+ return OutOfGasError{req, has}
+}
+
+func (self OutOfGasError) Error() string {
+ return fmt.Sprintf("out of gas! require %v, have %v", self.req, self.has)
+}
+
+func IsOOGErr(err error) bool {
+ _, ok := err.(OutOfGasError)
+ return ok
+}
+
+type StackError struct {
+ req, has int
+}
+
+func StackErr(req, has int) StackError {
+ return StackError{req, has}
+}
+
+func (self StackError) Error() string {
+ return fmt.Sprintf("stack error! require %v, have %v", self.req, self.has)
+}
+
+func IsStack(err error) bool {
+ _, ok := err.(StackError)
+ return ok
+}
+
+type DepthError struct{}
+
+func (self DepthError) Error() string {
+ return fmt.Sprintf("Max call depth exceeded (%d)", MaxCallDepth)
+}
+
+func IsDepthErr(err error) bool {
+ _, ok := err.(DepthError)
+ return ok
+}