0g-chain/x/pricefeed/keeper/params.go

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package keeper
import (
errorsmod "cosmossdk.io/errors"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/0glabs/0g-chain/x/pricefeed/types"
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)
// GetParams returns the params from the store
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func (k Keeper) GetParams(ctx sdk.Context) types.Params {
var p types.Params
k.paramSubspace.GetParamSet(ctx, &p)
return p
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}
// SetParams sets params on the store
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func (k Keeper) SetParams(ctx sdk.Context, params types.Params) {
k.paramSubspace.SetParamSet(ctx, &params)
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}
// GetMarkets returns the markets from params
func (k Keeper) GetMarkets(ctx sdk.Context) types.Markets {
return k.GetParams(ctx).Markets
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}
// 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) {
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if marketID == m.MarketID {
return m.Oracles, nil
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}
}
return nil, errorsmod.Wrap(types.ErrInvalidMarket, marketID)
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}
// 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) {
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oracles, err := k.GetOracles(ctx, marketID)
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if err != nil {
// Error already wrapped
return nil, err
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}
for _, addr := range oracles {
if addr.Equals(address) {
return addr, nil
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}
}
return nil, errorsmod.Wrap(types.ErrInvalidOracle, address.String())
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}
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// 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)
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for i := range markets {
if markets[i].MarketID == marketID {
return markets[i], true
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}
}
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return types.Market{}, false
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}
// 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 {
var 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
}