0g-chain/x/pricefeed/keeper/params.go
Ruaridh 9c69ee2fbf
merge release v0.12.1 updates (#724)
* use kava antehandler

* add authenticated mempool decorator

* add get authorised address methods

* hook antehandler into app

* refactor address fetcher interface

* tidy up args to NewApp

* remove unused function

* tidy up after removing address fetcher interface

* read authorized addresses from config

* fix error message, and minor tidy

* update cosmos-sdk and tendermint

* clarify function name

* add flags for mempool options
2020-12-02 10:37:11 -07:00

79 lines
2.3 KiB
Go

package keeper
import (
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/kava-labs/kava/x/pricefeed/types"
)
// GetParams returns the params from the store
func (k Keeper) GetParams(ctx sdk.Context) types.Params {
var p types.Params
k.paramSubspace.GetParamSet(ctx, &p)
return p
}
// SetParams sets params on the store
func (k Keeper) SetParams(ctx sdk.Context, params types.Params) {
k.paramSubspace.SetParamSet(ctx, &params)
}
// GetMarkets returns the markets from params
func (k Keeper) GetMarkets(ctx sdk.Context) types.Markets {
return k.GetParams(ctx).Markets
}
// GetOracles returns the oracles in the pricefeed store
func (k Keeper) GetOracles(ctx sdk.Context, marketID string) ([]sdk.AccAddress, error) {
for _, m := range k.GetMarkets(ctx) {
if marketID == m.MarketID {
return m.Oracles, nil
}
}
return []sdk.AccAddress{}, sdkerrors.Wrap(types.ErrInvalidMarket, marketID)
}
// GetOracle returns the oracle from the store or an error if not found
func (k Keeper) GetOracle(ctx sdk.Context, marketID string, address sdk.AccAddress) (sdk.AccAddress, error) {
oracles, err := k.GetOracles(ctx, marketID)
if err != nil {
return sdk.AccAddress{}, sdkerrors.Wrap(types.ErrInvalidMarket, marketID)
}
for _, addr := range oracles {
if address.Equals(addr) {
return addr, nil
}
}
return sdk.AccAddress{}, sdkerrors.Wrap(types.ErrInvalidOracle, address.String())
}
// GetMarket returns the market if it is in the pricefeed system
func (k Keeper) GetMarket(ctx sdk.Context, marketID string) (types.Market, bool) {
markets := k.GetMarkets(ctx)
for i := range markets {
if markets[i].MarketID == marketID {
return markets[i], true
}
}
return types.Market{}, false
}
// GetAuthorizedAddresses returns a list of addresses that have special authorization within this module, eg the oracles of all markets.
func (k Keeper) GetAuthorizedAddresses(ctx sdk.Context) []sdk.AccAddress {
oracles := []sdk.AccAddress{}
uniqueOracles := map[string]bool{}
for _, m := range k.GetMarkets(ctx) {
for _, o := range m.Oracles {
// de-dup list of oracles
if _, found := uniqueOracles[o.String()]; !found {
oracles = append(oracles, o)
}
uniqueOracles[o.String()] = true
}
}
return oracles
}