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				https://github.com/0glabs/0g-chain.git
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	* 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
		
			
				
	
	
		
			79 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			79 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package keeper
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import (
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	sdk "github.com/cosmos/cosmos-sdk/types"
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	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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	"github.com/kava-labs/kava/x/pricefeed/types"
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)
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// GetParams returns the params from the store
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func (k Keeper) GetParams(ctx sdk.Context) types.Params {
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	var p types.Params
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	k.paramSubspace.GetParamSet(ctx, &p)
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	return p
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}
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// SetParams sets params on the store
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func (k Keeper) SetParams(ctx sdk.Context, params types.Params) {
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	k.paramSubspace.SetParamSet(ctx, ¶ms)
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}
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// GetMarkets returns the markets from params
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func (k Keeper) GetMarkets(ctx sdk.Context) types.Markets {
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	return k.GetParams(ctx).Markets
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}
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// GetOracles returns the oracles in the pricefeed store
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func (k Keeper) GetOracles(ctx sdk.Context, marketID string) ([]sdk.AccAddress, error) {
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	for _, m := range k.GetMarkets(ctx) {
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		if marketID == m.MarketID {
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			return m.Oracles, nil
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		}
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	}
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	return []sdk.AccAddress{}, sdkerrors.Wrap(types.ErrInvalidMarket, marketID)
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}
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// GetOracle returns the oracle from the store or an error if not found
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func (k Keeper) GetOracle(ctx sdk.Context, marketID string, address sdk.AccAddress) (sdk.AccAddress, error) {
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	oracles, err := k.GetOracles(ctx, marketID)
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	if err != nil {
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		return sdk.AccAddress{}, sdkerrors.Wrap(types.ErrInvalidMarket, marketID)
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	}
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	for _, addr := range oracles {
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		if address.Equals(addr) {
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			return addr, nil
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		}
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	}
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	return sdk.AccAddress{}, sdkerrors.Wrap(types.ErrInvalidOracle, address.String())
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}
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// GetMarket returns the market if it is in the pricefeed system
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func (k Keeper) GetMarket(ctx sdk.Context, marketID string) (types.Market, bool) {
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	markets := k.GetMarkets(ctx)
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	for i := range markets {
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		if markets[i].MarketID == marketID {
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			return markets[i], true
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		}
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	}
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	return types.Market{}, false
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}
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// GetAuthorizedAddresses returns a list of addresses that have special authorization within this module, eg the oracles of all markets.
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func (k Keeper) GetAuthorizedAddresses(ctx sdk.Context) []sdk.AccAddress {
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	oracles := []sdk.AccAddress{}
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	uniqueOracles := map[string]bool{}
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	for _, m := range k.GetMarkets(ctx) {
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		for _, o := range m.Oracles {
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			// de-dup list of oracles
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			if _, found := uniqueOracles[o.String()]; !found {
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				oracles = append(oracles, o)
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			}
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			uniqueOracles[o.String()] = true
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		}
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	}
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	return oracles
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}
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