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event listeners take EventData, not interface{}; EventData type assertions

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This commit is contained in:
Jae Kwon
2015-08-11 12:46:33 -07:00
parent b37ff75f7a
commit ffcc657be6
16 changed files with 62 additions and 73 deletions
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types/events.go
+10 -2
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@@ -14,6 +14,7 @@ func EventStringAccOutput(addr []byte) string { return fmt.Sprintf("Acc/%X/Out
func EventStringAccCall(addr []byte) string { return fmt.Sprintf("Acc/%X/Call", addr) }
func EventStringLogEvent(addr []byte) string { return fmt.Sprintf("Log/%X", addr) }
func EventStringPermissions(name string) string { return fmt.Sprintf("Permissions/%s", name) }
func EventStringNameReg(name string) string { return fmt.Sprintf("NameReg/%s", name) }
func EventStringBond() string { return "Bond" }
func EventStringUnbond() string { return "Unbond" }
func EventStringRebond() string { return "Rebond" }
@@ -31,12 +32,14 @@ const (
EventDataTypeLog = byte(0x05)
)
type EventData interface{}
type EventData interface {
AssertIsEventData()
}
var _ = wire.RegisterInterface(
struct{ EventData }{},
wire.ConcreteType{EventDataNewBlock{}, EventDataTypeNewBlock},
// wire.ConcreteType{EventDataNewBlock{}, EventDataTypeFork },
// wire.ConcreteType{EventDataFork{}, EventDataTypeFork },
wire.ConcreteType{EventDataTx{}, EventDataTypeTx},
wire.ConcreteType{EventDataCall{}, EventDataTypeCall},
wire.ConcreteType{EventDataLog{}, EventDataTypeLog},
@@ -80,3 +83,8 @@ type EventDataLog struct {
Data []byte `json:"data"`
Height int64 `json:"height"`
}
func (_ EventDataNewBlock) AssertIsEventData() {}
func (_ EventDataTx) AssertIsEventData() {}
func (_ EventDataCall) AssertIsEventData() {}
func (_ EventDataLog) AssertIsEventData() {}