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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"
paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
)
var _ paramtypes.ParamSet = &Params{}
var (
LargestDecPrice sdk.Dec = sdk.MustNewDecFromStr("10000000")
)
const (
// Each value below is the default value for each parameter when generating the default
// genesis file.
DefaultBandIBCEnabled = false
DefaultBandIbcRequestInterval = int64(7) // every 7 blocks
DefaultBandIBCVersion = "bandchain-1"
DefaultBandIBCPortID = "oracle"
MaxPythExponent = 10
MinPythExponent = -12
)
// Parameter keys
var (
KeyPythContract = []byte("PythContract")
)
// ParamKeyTable returns the parameter key table.
func ParamKeyTable() paramtypes.KeyTable {
return paramtypes.NewKeyTable().RegisterParamSet(&Params{})
}
// NewParams creates a new Params instance
func NewParams() Params {
return Params{}
}
// ParamSetPairs returns the parameter set pairs.
func (p *Params) ParamSetPairs() paramtypes.ParamSetPairs {
return paramtypes.ParamSetPairs{
paramtypes.NewParamSetPair(KeyPythContract, &p.PythContract, validatePythContract),
}
}
// DefaultParams returns a default set of parameters.
func DefaultParams() Params {
return Params{
PythContract: "",
}
}
// DefaultBandIBCParams returns a default set of band ibc parameters.
func DefaultBandIBCParams() BandIBCParams {
return BandIBCParams{
BandIbcEnabled: DefaultBandIBCEnabled,
IbcRequestInterval: DefaultBandIbcRequestInterval,
IbcVersion: DefaultBandIBCVersion,
IbcPortId: DefaultBandIBCPortID,
}
}
// Validate performs basic validation on auction parameters.
func (p Params) Validate() error {
return nil
}
func DefaultTestBandIbcParams() *BandIBCParams {
return &BandIBCParams{
// true if Band IBC should be enabled
BandIbcEnabled: true,
// block request interval to send Band IBC prices
IbcRequestInterval: 10,
// band IBC source channel
IbcSourceChannel: "channel-0",
// band IBC version
IbcVersion: "bandchain-1",
// band IBC portID
IbcPortId: "oracle",
}
}
func validatePythContract(i interface{}) error {
v, ok := i.(string)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if v == "" {
return nil
}
_, err := sdk.AccAddressFromBech32(v)
if err != nil {
return fmt.Errorf("invalid PythContract value: %v", v)
}
return nil
}