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queries.go
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queries.go
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package bindings
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
bankkeeper "github.com/cosmos/cosmos-sdk/x/bank/keeper"
bindingstypes "github.com/CosmosContracts/juno/v16/x/tokenfactory/bindings/types"
tokenfactorykeeper "github.com/CosmosContracts/juno/v16/x/tokenfactory/keeper"
)
type QueryPlugin struct {
bankKeeper *bankkeeper.BaseKeeper
tokenFactoryKeeper *tokenfactorykeeper.Keeper
}
// NewQueryPlugin returns a reference to a new QueryPlugin.
func NewQueryPlugin(b *bankkeeper.BaseKeeper, tfk *tokenfactorykeeper.Keeper) *QueryPlugin {
return &QueryPlugin{
bankKeeper: b,
tokenFactoryKeeper: tfk,
}
}
// GetDenomAdmin is a query to get denom admin.
func (qp QueryPlugin) GetDenomAdmin(ctx sdk.Context, denom string) (*bindingstypes.AdminResponse, error) {
metadata, err := qp.tokenFactoryKeeper.GetAuthorityMetadata(ctx, denom)
if err != nil {
return nil, fmt.Errorf("failed to get admin for denom: %s", denom)
}
return &bindingstypes.AdminResponse{Admin: metadata.Admin}, nil
}
func (qp QueryPlugin) GetDenomsByCreator(ctx sdk.Context, creator string) (*bindingstypes.DenomsByCreatorResponse, error) {
// TODO: validate creator address
denoms := qp.tokenFactoryKeeper.GetDenomsFromCreator(ctx, creator)
return &bindingstypes.DenomsByCreatorResponse{Denoms: denoms}, nil
}
func (qp QueryPlugin) GetMetadata(ctx sdk.Context, denom string) (*bindingstypes.MetadataResponse, error) {
metadata, found := qp.bankKeeper.GetDenomMetaData(ctx, denom)
var parsed *bindingstypes.Metadata
if found {
parsed = SdkMetadataToWasm(metadata)
}
return &bindingstypes.MetadataResponse{Metadata: parsed}, nil
}
func (qp QueryPlugin) GetParams(ctx sdk.Context) (*bindingstypes.ParamsResponse, error) {
params := qp.tokenFactoryKeeper.GetParams(ctx)
return &bindingstypes.ParamsResponse{
Params: bindingstypes.Params{
DenomCreationFee: ConvertSdkCoinsToWasmCoins(params.DenomCreationFee),
},
}, nil
}