/
params.go
202 lines (180 loc) · 5.05 KB
/
params.go
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package types
import (
"encoding/json"
"fmt"
"strings"
sdk "github.com/FiboChain/fbc/libs/cosmos-sdk/types"
sdkerrors "github.com/FiboChain/fbc/libs/cosmos-sdk/types/errors"
paramtypes "github.com/FiboChain/fbc/x/params"
"github.com/gogo/protobuf/jsonpb"
"github.com/pkg/errors"
"gopkg.in/yaml.v2"
)
var (
ParamStoreKeyUploadAccess = []byte("uploadAccess")
ParamStoreKeyInstantiateAccess = []byte("instantiateAccess")
ParamStoreKeyContractBlockedList = []byte("EnableContractBlockedList")
ParamStoreKeyVMBridgeEnable = []byte("VMBridgeEnable")
)
var AllAccessTypes = []AccessType{
AccessTypeNobody,
AccessTypeOnlyAddress,
AccessTypeEverybody,
}
func (a AccessType) With(addr sdk.AccAddress) AccessConfig {
switch a {
case AccessTypeNobody:
return AllowNobody
case AccessTypeOnlyAddress:
if err := sdk.VerifyAddressFormat(addr); err != nil {
panic(err)
}
return AccessConfig{Permission: AccessTypeOnlyAddress, Address: addr.String()}
case AccessTypeEverybody:
return AllowEverybody
}
panic("unsupported access type")
}
func (a AccessType) String() string {
switch a {
case AccessTypeNobody:
return "Nobody"
case AccessTypeOnlyAddress:
return "OnlyAddress"
case AccessTypeEverybody:
return "Everybody"
}
return "Unspecified"
}
func (a *AccessType) UnmarshalText(text []byte) error {
for _, v := range AllAccessTypes {
if v.String() == string(text) {
*a = v
return nil
}
}
*a = AccessTypeUnspecified
return nil
}
func (a AccessType) MarshalText() ([]byte, error) {
return []byte(a.String()), nil
}
func (a *AccessType) MarshalJSONPB(_ *jsonpb.Marshaler) ([]byte, error) {
return json.Marshal(a)
}
func (a *AccessType) UnmarshalJSONPB(_ *jsonpb.Unmarshaler, data []byte) error {
return json.Unmarshal(data, a)
}
func (a AccessConfig) Equals(o AccessConfig) bool {
return a.Permission == o.Permission && a.Address == o.Address
}
var (
DefaultUploadAccess = AllowEverybody
AllowEverybody = AccessConfig{Permission: AccessTypeEverybody}
AllowNobody = AccessConfig{Permission: AccessTypeNobody}
)
// ParamKeyTable returns the parameter key table.
func ParamKeyTable() paramtypes.KeyTable {
return paramtypes.NewKeyTable().RegisterParamSet(&Params{})
}
// DefaultParams returns default wasm parameters
func DefaultParams() Params {
return Params{
CodeUploadAccess: AllowEverybody,
InstantiateDefaultPermission: AccessTypeEverybody,
UseContractBlockedList: true,
VmbridgeEnable: true,
}
}
func (p Params) String() string {
out, err := yaml.Marshal(p)
if err != nil {
panic(err)
}
return string(out)
}
// ParamSetPairs returns the parameter set pairs.
func (p *Params) ParamSetPairs() paramtypes.ParamSetPairs {
return paramtypes.ParamSetPairs{
paramtypes.NewParamSetPair(ParamStoreKeyUploadAccess, &p.CodeUploadAccess, validateAccessConfig),
paramtypes.NewParamSetPair(ParamStoreKeyInstantiateAccess, &p.InstantiateDefaultPermission, validateAccessType),
paramtypes.NewParamSetPair(ParamStoreKeyContractBlockedList, &p.UseContractBlockedList, validateBool),
paramtypes.NewParamSetPair(ParamStoreKeyVMBridgeEnable, &p.VmbridgeEnable, validateBool),
}
}
// ValidateBasic performs basic validation on wasm parameters
func (p Params) ValidateBasic() error {
if err := validateAccessType(p.InstantiateDefaultPermission); err != nil {
return errors.Wrap(err, "instantiate default permission")
}
if err := validateAccessConfig(p.CodeUploadAccess); err != nil {
return errors.Wrap(err, "upload access")
}
return nil
}
func validateAccessConfig(i interface{}) error {
v, ok := i.(AccessConfig)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
return v.ValidateBasic()
}
func validateBool(i interface{}) error {
_, ok := i.(bool)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
return nil
}
func validateAccessType(i interface{}) error {
a, ok := i.(AccessType)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if a == AccessTypeUnspecified {
return sdkerrors.Wrap(ErrEmpty, "type")
}
for _, v := range AllAccessTypes {
if v == a {
return nil
}
}
return sdkerrors.Wrapf(ErrInvalid, "unknown type: %q", a)
}
func (a AccessConfig) ValidateBasic() error {
switch a.Permission {
case AccessTypeUnspecified:
return sdkerrors.Wrap(ErrEmpty, "type")
case AccessTypeNobody, AccessTypeEverybody:
if len(a.Address) != 0 {
return sdkerrors.Wrap(ErrInvalid, "address not allowed for this type")
}
return nil
case AccessTypeOnlyAddress:
for _, addr := range strings.Split(a.Address, ",") {
if _, err := sdk.AccAddressFromBech32(addr); err != nil {
return err
}
}
return nil
}
return sdkerrors.Wrapf(ErrInvalid, "unknown type: %q", a.Permission)
}
func (a AccessConfig) Allowed(actor sdk.AccAddress) bool {
switch a.Permission {
case AccessTypeNobody:
return false
case AccessTypeEverybody:
return true
case AccessTypeOnlyAddress:
addrs := strings.Split(a.Address, ",")
for _, addr := range addrs {
if addr == actor.String() {
return true
}
}
return false
default:
panic("unknown type")
}
}