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params.go
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params.go
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package types
import (
"bytes"
"fmt"
"strings"
"cosmossdk.io/errors"
sdk "github.com/cosmos/cosmos-sdk/types"
)
// DefaultParamspace defines the default auth module parameter subspace
const (
// todo: implement oracle constants as params
DefaultParamspace = ModuleName
)
// DefaultParams returns a copy of the default params
func DefaultParams() *Params {
return &Params{
PeggyId: "injective-peggyid",
SignedValsetsWindow: 10000,
SignedBatchesWindow: 10000,
SignedClaimsWindow: 10000,
TargetBatchTimeout: 43200000,
AverageBlockTime: 5000,
AverageEthereumBlockTime: 15000,
SlashFractionValset: sdk.NewDec(1).Quo(sdk.NewDec(1000)),
SlashFractionBatch: sdk.NewDec(1).Quo(sdk.NewDec(1000)),
SlashFractionClaim: sdk.NewDec(1).Quo(sdk.NewDec(1000)),
SlashFractionConflictingClaim: sdk.NewDec(1).Quo(sdk.NewDec(1000)),
SlashFractionBadEthSignature: sdk.NewDec(1).Quo(sdk.NewDec(1000)),
CosmosCoinDenom: "inj",
UnbondSlashingValsetsWindow: 10000,
ClaimSlashingEnabled: false,
}
}
// ValidateBasic checks that the parameters have valid values.
func (p Params) ValidateBasic() error {
if err := validatePeggyID(p.PeggyId); err != nil {
return errors.Wrap(err, "peggy id")
}
if err := validateContractHash(p.ContractSourceHash); err != nil {
return errors.Wrap(err, "contract hash")
}
if err := validateBridgeContractAddress(p.BridgeEthereumAddress); err != nil {
return errors.Wrap(err, "bridge contract address")
}
if err := validateBridgeContractStartHeight(p.BridgeContractStartHeight); err != nil {
return errors.Wrap(err, "bridge contract start height")
}
if err := validateBridgeChainID(p.BridgeChainId); err != nil {
return errors.Wrap(err, "bridge chain id")
}
if err := validateCosmosCoinDenom(p.CosmosCoinDenom); err != nil {
return errors.Wrap(err, "cosmos coin denom")
}
if err := validateCosmosCoinErc20Contract(p.CosmosCoinErc20Contract); err != nil {
return errors.Wrap(err, "cosmos coin erc20 contract address")
}
if err := validateTargetBatchTimeout(p.TargetBatchTimeout); err != nil {
return errors.Wrap(err, "Batch timeout")
}
if err := validateAverageBlockTime(p.AverageBlockTime); err != nil {
return errors.Wrap(err, "Block time")
}
if err := validateAverageEthereumBlockTime(p.AverageEthereumBlockTime); err != nil {
return errors.Wrap(err, "Ethereum block time")
}
if err := validateSignedValsetsWindow(p.SignedValsetsWindow); err != nil {
return errors.Wrap(err, "signed blocks window")
}
if err := validateSignedBatchesWindow(p.SignedBatchesWindow); err != nil {
return errors.Wrap(err, "signed blocks window")
}
if err := validateSignedClaimsWindow(p.SignedClaimsWindow); err != nil {
return errors.Wrap(err, "signed blocks window")
}
if err := validateSlashFractionValset(p.SlashFractionValset); err != nil {
return errors.Wrap(err, "slash fraction valset")
}
if err := validateSlashFractionBatch(p.SlashFractionBatch); err != nil {
return errors.Wrap(err, "slash fraction valset")
}
if err := validateSlashFractionClaim(p.SlashFractionClaim); err != nil {
return errors.Wrap(err, "slash fraction valset")
}
if err := validateSlashFractionConflictingClaim(p.SlashFractionConflictingClaim); err != nil {
return errors.Wrap(err, "slash fraction valset")
}
if err := validateSlashFractionBadEthSignature(p.SlashFractionBadEthSignature); err != nil {
return errors.Wrap(err, "slash fraction BadEthSignature")
}
if err := validateUnbondSlashingValsetsWindow(p.UnbondSlashingValsetsWindow); err != nil {
return errors.Wrap(err, "unbond Slashing valset window")
}
if err := validateClaimSlashingEnabled(p.ClaimSlashingEnabled); err != nil {
return errors.Wrap(err, "claim slashing enabled")
}
return nil
}
// Equal returns a boolean determining if two Params types are identical.
func (p Params) Equal(p2 Params) bool {
bz1 := ModuleCdc.MustMarshalLengthPrefixed(&p)
bz2 := ModuleCdc.MustMarshalLengthPrefixed(&p2)
return bytes.Equal(bz1, bz2)
}
func validatePeggyID(i interface{}) error {
v, ok := i.(string)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if _, err := strToFixByteArray(v); err != nil {
return err
}
return nil
}
func validateContractHash(i interface{}) error {
if _, ok := i.(string); !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
return nil
}
func validateBridgeChainID(i interface{}) error {
if _, ok := i.(uint64); !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
return nil
}
func validateBridgeContractStartHeight(i interface{}) error {
if _, ok := i.(uint64); !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
return nil
}
func validateTargetBatchTimeout(i interface{}) error {
val, ok := i.(uint64)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
} else if val < 60000 {
return fmt.Errorf("invalid target batch timeout, less than 60 seconds is too short")
}
return nil
}
func validateAverageBlockTime(i interface{}) error {
val, ok := i.(uint64)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
} else if val < 100 {
return fmt.Errorf("invalid average Cosmos block time, too short for latency limitations")
}
return nil
}
func validateAverageEthereumBlockTime(i interface{}) error {
val, ok := i.(uint64)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
} else if val < 100 {
return fmt.Errorf("invalid average Ethereum block time, too short for latency limitations")
}
return nil
}
func validateBridgeContractAddress(i interface{}) error {
v, ok := i.(string)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if err := ValidateEthAddress(v); err != nil {
if !strings.Contains(err.Error(), "empty") {
return err
}
}
return nil
}
func validateSignedValsetsWindow(i interface{}) error {
if _, ok := i.(uint64); !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
return nil
}
func validateUnbondSlashingValsetsWindow(i interface{}) error {
if _, ok := i.(uint64); !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
return nil
}
func validateSlashFractionValset(i interface{}) error {
if _, ok := i.(sdk.Dec); !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
return nil
}
func validateSignedBatchesWindow(i interface{}) error {
if _, ok := i.(uint64); !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
return nil
}
func validateSignedClaimsWindow(i interface{}) error {
if _, ok := i.(uint64); !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
return nil
}
func validateSlashFractionBatch(i interface{}) error {
if _, ok := i.(sdk.Dec); !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
return nil
}
func validateSlashFractionClaim(i interface{}) error {
if _, ok := i.(sdk.Dec); !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
return nil
}
func validateSlashFractionConflictingClaim(i interface{}) error {
if _, ok := i.(sdk.Dec); !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
return nil
}
func strToFixByteArray(s string) ([32]byte, error) {
var out [32]byte
if len([]byte(s)) > 32 {
return out, fmt.Errorf("string too long")
}
copy(out[:], s)
return out, nil
}
func validateCosmosCoinDenom(i interface{}) error {
v, ok := i.(string)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if _, err := strToFixByteArray(v); err != nil {
return err
}
return nil
}
func validateCosmosCoinErc20Contract(i interface{}) error {
v, ok := i.(string)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
// empty address is valid
if v == "" {
return nil
}
return ValidateEthAddress(v)
}
func validateClaimSlashingEnabled(i interface{}) error {
_, ok := i.(bool)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
return nil
}
func validateSlashFractionBadEthSignature(i interface{}) error {
if _, ok := i.(sdk.Dec); !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
return nil
}
func validateValsetReward(i interface{}) error {
return nil
}