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params.go
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params.go
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package types
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
"time"
"gopkg.in/yaml.v2"
paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
)
// nolint
const (
// Each value below is the default value for each parameter when generating the default
// genesis file. See comments in types.proto for explanation for each parameter.
DefaultMaxRawRequestCount = uint64(12)
DefaultMaxAskCount = uint64(16)
DefaultExpirationBlockCount = uint64(100)
DefaultBaseRequestGas = uint64(150000)
DefaultPerValidatorRequestGas = uint64(30000)
DefaultSamplingTryCount = uint64(3)
DefaultOracleRewardPercentage = uint64(70)
DefaultInactivePenaltyDuration = uint64(10 * time.Minute)
DefaultMaxDataSize = uint64(1 * 1024) // 1 KB
DefaultMaxCalldataSize = uint64(1 * 1024) // 1 KB
DefaultPrepareGas = uint64(40000)
DefaultExecuteGas = uint64(300000)
DefaultRewardThresholdBlocks = uint64(28820)
DefaultDataProviderRewardDenom = "minigeo"
DefaultDataRequesterFeeDenom = "loki"
)
var (
DefaultDataProviderRewardPerByte = sdk.NewCoins(sdk.NewInt64Coin(DefaultDataProviderRewardDenom, 1000000)) // 1 * 10^6
DefaultDataRequesterFeeDenoms = []string{DefaultDataRequesterFeeDenom}
DefaultFeeLimit = sdk.NewCoins()
DefaultRewardThresholdAmount = sdk.NewCoins(sdk.NewInt64Coin(DefaultDataProviderRewardDenom, 200000000000)) // 200000 * 10^6
DefaultRewardDecreasingFraction = sdk.NewDec(1).Quo(sdk.NewDec(20))
)
// nolint
var (
// Each value below is the key to store the respective oracle module parameter. See comments
// in types.proto for explanation for each parameter.
KeyMaxRawRequestCount = []byte("MaxRawRequestCount")
KeyMaxAskCount = []byte("MaxAskCount")
KeyExpirationBlockCount = []byte("ExpirationBlockCount")
KeyBaseOwasmGas = []byte("BaseOwasmGas")
KeyPerValidatorRequestGas = []byte("PerValidatorRequestGas")
KeySamplingTryCount = []byte("SamplingTryCount")
KeyOracleRewardPercentage = []byte("OracleRewardPercentage")
KeyInactivePenaltyDuration = []byte("InactivePenaltyDuration")
KeyMaxDataSize = []byte("MaxDataSize")
KeyMaxCalldataSize = []byte("MaxCalldataSize")
KeyDataProviderRewardPerByte = []byte("DataProviderRewardPerByte")
KeyRewardDecreasingFraction = []byte("RewardDecreasingFraction")
KeyDataProviderRewardThreshold = []byte("DataProviderRewardThreshold")
KeyDataRequesterFeeDenoms = []byte("DataRequesterFeeDenoms")
)
var _ paramtypes.ParamSet = (*Params)(nil)
// ParamKeyTable for oracle module
func ParamKeyTable() paramtypes.KeyTable {
return paramtypes.NewKeyTable().RegisterParamSet(&Params{})
}
// NewParams creates a new parameter configuration for the oracle module
func NewParams(
maxRawRequestCount, maxAskCount, expirationBlockCount, baseRequestGas, perValidatorRequestGas,
samplingTryCount, oracleRewardPercentage, inactivePenaltyDuration, maxDataSize, maxCallDataSize uint64,
dataProviderRewardPerByte sdk.Coins, dataProviderRewardThreshold RewardThreshold, rewardDecreasingFraction sdk.Dec,
dataRequesterFeeDenoms []string,
) Params {
return Params{
MaxRawRequestCount: maxRawRequestCount,
MaxAskCount: maxAskCount,
ExpirationBlockCount: expirationBlockCount,
BaseOwasmGas: baseRequestGas,
PerValidatorRequestGas: perValidatorRequestGas,
SamplingTryCount: samplingTryCount,
OracleRewardPercentage: oracleRewardPercentage,
InactivePenaltyDuration: inactivePenaltyDuration,
MaxDataSize: maxDataSize,
MaxCalldataSize: maxCallDataSize,
DataProviderRewardPerByte: dataProviderRewardPerByte,
DataProviderRewardThreshold: dataProviderRewardThreshold,
RewardDecreasingFraction: rewardDecreasingFraction,
DataRequesterFeeDenoms: dataRequesterFeeDenoms,
}
}
func NewRewardThreshold(amount sdk.Coins, blocks uint64) RewardThreshold {
return RewardThreshold{
Amount: amount,
Blocks: blocks,
}
}
func DefaultRewardThreshold() RewardThreshold {
return RewardThreshold{
Amount: DefaultRewardThresholdAmount,
Blocks: DefaultRewardThresholdBlocks,
}
}
// ParamSetPairs implements the paramtypes.ParamSet interface for Params.
func (p *Params) ParamSetPairs() paramtypes.ParamSetPairs {
return paramtypes.ParamSetPairs{
paramtypes.NewParamSetPair(KeyMaxRawRequestCount, &p.MaxRawRequestCount, validateUint64("max data source count", true)),
paramtypes.NewParamSetPair(KeyMaxAskCount, &p.MaxAskCount, validateUint64("max ask count", true)),
paramtypes.NewParamSetPair(KeyExpirationBlockCount, &p.ExpirationBlockCount, validateUint64("expiration block count", true)),
paramtypes.NewParamSetPair(KeyBaseOwasmGas, &p.BaseOwasmGas, validateUint64("base request gas", false)),
paramtypes.NewParamSetPair(KeyPerValidatorRequestGas, &p.PerValidatorRequestGas, validateUint64("per validator request gas", false)),
paramtypes.NewParamSetPair(KeySamplingTryCount, &p.SamplingTryCount, validateUint64("sampling try count", true)),
paramtypes.NewParamSetPair(KeyOracleRewardPercentage, &p.OracleRewardPercentage, validateUint64("oracle reward percentage", false)),
paramtypes.NewParamSetPair(KeyInactivePenaltyDuration, &p.InactivePenaltyDuration, validateUint64("inactive penalty duration", false)),
paramtypes.NewParamSetPair(KeyMaxDataSize, &p.MaxDataSize, validateUint64("max data size", true)),
paramtypes.NewParamSetPair(KeyMaxCalldataSize, &p.MaxCalldataSize, validateUint64("max calldata size", true)),
paramtypes.NewParamSetPair(KeyDataProviderRewardPerByte, &p.DataProviderRewardPerByte, validateDataProviderReward),
paramtypes.NewParamSetPair(KeyRewardDecreasingFraction, &p.RewardDecreasingFraction, validateRewardDecreasingFraction),
paramtypes.NewParamSetPair(KeyDataProviderRewardThreshold, &p.DataProviderRewardThreshold, validateRewardThreshold),
paramtypes.NewParamSetPair(KeyDataRequesterFeeDenoms, &p.DataRequesterFeeDenoms, validateDataRequesterFeeDenoms),
}
}
// DefaultParams defines the default parameters.
func DefaultParams() Params {
return NewParams(
DefaultMaxRawRequestCount,
DefaultMaxAskCount,
DefaultExpirationBlockCount,
DefaultBaseRequestGas,
DefaultPerValidatorRequestGas,
DefaultSamplingTryCount,
DefaultOracleRewardPercentage,
DefaultInactivePenaltyDuration,
DefaultMaxDataSize,
DefaultMaxCalldataSize,
DefaultDataProviderRewardPerByte,
DefaultRewardThreshold(),
DefaultRewardDecreasingFraction,
DefaultDataRequesterFeeDenoms,
)
}
// String returns a human readable string representation of the parameters.
func (p Params) String() string {
out, _ := yaml.Marshal(p)
return string(out)
}
func validateUint64(name string, positiveOnly bool) func(interface{}) error {
return func(i interface{}) error {
v, ok := i.(uint64)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if v <= 0 && positiveOnly {
return fmt.Errorf("%s must be positive: %d", name, v)
}
return nil
}
}
func validateDataProviderReward(i interface{}) error {
v, ok := i.(sdk.Coins)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if v.IsAnyNegative() {
return fmt.Errorf("data provider reward must be positive: %v", v)
}
return nil
}
func validateRewardDecreasingFraction(i interface{}) error {
v, ok := i.(sdk.Dec)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if v.IsNegative() {
return fmt.Errorf("reward decresing fraction must be positive: %v", v)
}
if v.GT(sdk.NewDec(1)) {
return fmt.Errorf("reward decresing fraction must be less or equal to 1 %v", v)
}
return nil
}
func validateRewardThreshold(i interface{}) error {
v, ok := i.(RewardThreshold)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if v.Amount.IsAnyNegative() {
return fmt.Errorf("reward threshold amount must be positive: %v", v.Amount)
}
if v.Amount.IsZero() {
return fmt.Errorf("reward threshold amount must be greater than zero: %v", v.Amount)
}
if v.Blocks <= 0 {
return fmt.Errorf("reward threshold blocks count must be greater than zero: %v", v.Blocks)
}
return nil
}
func validateDataRequesterFeeDenoms(i interface{}) error {
v, ok := i.([]string)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
for _, d := range v {
if err := sdk.ValidateDenom(d); err != nil {
return fmt.Errorf("denoms must be valid: %s, error: %w", d, err)
}
}
return nil
}