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cleanups, fix AllSet

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This commit is contained in:
Ethan Buchman
2015-05-21 15:51:57 -04:00
committed by Jae Kwon
parent b2282d5a39
commit d824e1b731
4 changed files with 33 additions and 16 deletions
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40
vm/snative.go
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@ -7,6 +7,15 @@ import (
ptypes "github.com/tendermint/tendermint/permission/types"
)
type ErrInvalidPermission struct {
Address Word256
SNative string
}
func (e ErrInvalidPermission) Error() string {
return fmt.Sprintf("Account %X does not have permission snative.%s", e.Address.Postfix(20), e.SNative)
}
// Checks if a permission flag is valid (a known base chain or snative permission)
func ValidPermN(n ptypes.PermFlag) bool {
if n > ptypes.TopBasePermission && n < FirstSNativePerm {
@ -37,13 +46,13 @@ const (
)
var registeredSNativeContracts = map[Word256]ptypes.PermFlag{
RightPadWord256([]byte("hasBasePerm")): HasBasePerm,
RightPadWord256([]byte("setBasePerm")): SetBasePerm,
RightPadWord256([]byte("unsetBasePerm")): UnsetBasePerm,
RightPadWord256([]byte("setGlobalPerm")): SetGlobalPerm,
RightPadWord256([]byte("hasRole")): HasRole,
RightPadWord256([]byte("addRole")): AddRole,
RightPadWord256([]byte("rmRole")): RmRole,
LeftPadWord256([]byte("hasBasePerm")): HasBasePerm,
LeftPadWord256([]byte("setBasePerm")): SetBasePerm,
LeftPadWord256([]byte("unsetBasePerm")): UnsetBasePerm,
LeftPadWord256([]byte("setGlobalPerm")): SetGlobalPerm,
LeftPadWord256([]byte("hasRole")): HasRole,
LeftPadWord256([]byte("addRole")): AddRole,
LeftPadWord256([]byte("rmRole")): RmRole,
}
// takes an account so it can check for permission to access the contract
@ -80,7 +89,7 @@ func (vm *VM) SNativeContract(name Word256) SNativeContract {
func (vm *VM) hasBasePerm(acc *Account, args []byte) (output []byte, err error) {
if !vm.HasPermission(acc, HasBasePerm) {
return nil, fmt.Errorf("acc %X does not have permission to call snative.HasBasePerm")
return nil, ErrInvalidPermission{acc.Address, "HasBasePerm"}
}
if len(args) != 2*32 {
return nil, fmt.Errorf("hasBasePerm() takes two arguments (address, permission number)")
@ -107,7 +116,7 @@ func (vm *VM) hasBasePerm(acc *Account, args []byte) (output []byte, err error)
func (vm *VM) setBasePerm(acc *Account, args []byte) (output []byte, err error) {
if !vm.HasPermission(acc, SetBasePerm) {
return nil, fmt.Errorf("acc %X does not have permission to call snative.SetBasePerm")
return nil, ErrInvalidPermission{acc.Address, "SetBasePerm"}
}
if len(args) != 3*32 {
return nil, fmt.Errorf("setBasePerm() takes three arguments (address, permission number, permission value)")
@ -134,7 +143,7 @@ func (vm *VM) setBasePerm(acc *Account, args []byte) (output []byte, err error)
func (vm *VM) unsetBasePerm(acc *Account, args []byte) (output []byte, err error) {
if !vm.HasPermission(acc, UnsetBasePerm) {
return nil, fmt.Errorf("acc %X does not have permission to call snative.UnsetBasePerm")
return nil, ErrInvalidPermission{acc.Address, "UnsetBasePerm"}
}
if len(args) != 2*32 {
return nil, fmt.Errorf("unsetBasePerm() takes two arguments (address, permission number)")
@ -158,6 +167,9 @@ func (vm *VM) unsetBasePerm(acc *Account, args []byte) (output []byte, err error
}
func (vm *VM) setGlobalPerm(acc *Account, args []byte) (output []byte, err error) {
if !vm.HasPermission(acc, SetGlobalPerm) {
return nil, ErrInvalidPermission{acc.Address, "SetGlobalPerm"}
}
if len(args) != 2*32 {
return nil, fmt.Errorf("setGlobalPerm() takes three arguments (permission number, permission value)")
}
@ -183,14 +195,14 @@ func (vm *VM) setGlobalPerm(acc *Account, args []byte) (output []byte, err error
// TODO: needs access to an iterator ...
func (vm *VM) clearPerm(acc *Account, args []byte) (output []byte, err error) {
if !vm.HasPermission(acc, ClearBasePerm) {
return nil, fmt.Errorf("acc %X does not have permission to call snative.ClearBasePerm")
return nil, ErrInvalidPermission{acc.Address, "ClearPerm"}
}
return nil, nil
}
func (vm *VM) hasRole(acc *Account, args []byte) (output []byte, err error) {
if !vm.HasPermission(acc, HasRole) {
return nil, fmt.Errorf("acc %X does not have permission to call snative.HasRole")
return nil, ErrInvalidPermission{acc.Address, "HasRole"}
}
if len(args) != 2*32 {
return nil, fmt.Errorf("hasRole() takes two arguments (address, role)")
@ -214,7 +226,7 @@ func (vm *VM) hasRole(acc *Account, args []byte) (output []byte, err error) {
func (vm *VM) addRole(acc *Account, args []byte) (output []byte, err error) {
if !vm.HasPermission(acc, AddRole) {
return nil, fmt.Errorf("acc %X does not have permission to call snative.AddRole")
return nil, ErrInvalidPermission{acc.Address, "AddRole"}
}
if len(args) != 2*32 {
return nil, fmt.Errorf("addRole() takes two arguments (address, role)")
@ -238,7 +250,7 @@ func (vm *VM) addRole(acc *Account, args []byte) (output []byte, err error) {
func (vm *VM) rmRole(acc *Account, args []byte) (output []byte, err error) {
if !vm.HasPermission(acc, RmRole) {
return nil, fmt.Errorf("acc %X does not have permission to call snative.RmRole")
return nil, ErrInvalidPermission{acc.Address, "RmRole"}
}
if len(args) != 2*32 {
return nil, fmt.Errorf("rmRole() takes two arguments (address, role)")