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definition.go
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definition.go
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package keeper
import (
errorsmod "cosmossdk.io/errors"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/irisnet/irismod/modules/service/types"
)
// AddServiceDefinition creates a new service definition
func (k Keeper) AddServiceDefinition(
ctx sdk.Context,
name,
description string,
tags []string,
author sdk.AccAddress,
authorDescription,
schemas string,
) error {
if _, found := k.GetServiceDefinition(ctx, name); found {
return errorsmod.Wrap(types.ErrServiceDefinitionExists, name)
}
svcDef := types.NewServiceDefinition(name, description, tags, author, authorDescription, schemas)
k.SetServiceDefinition(ctx, svcDef)
return nil
}
// SetServiceDefinition sets the service definition
func (k Keeper) SetServiceDefinition(ctx sdk.Context, svcDef types.ServiceDefinition) {
store := ctx.KVStore(k.storeKey)
bz := k.cdc.MustMarshal(&svcDef)
store.Set(types.GetServiceDefinitionKey(svcDef.Name), bz)
}
// GetServiceDefinition retrieves a service definition of the specified service name
func (k Keeper) GetServiceDefinition(ctx sdk.Context, serviceName string) (svcDef types.ServiceDefinition, found bool) {
store := ctx.KVStore(k.storeKey)
bz := store.Get(types.GetServiceDefinitionKey(serviceName))
if bz == nil {
return svcDef, false
}
k.cdc.MustUnmarshal(bz, &svcDef)
return svcDef, true
}
// IterateServiceDefinitions iterates through all service definitions
func (k Keeper) IterateServiceDefinitions(
ctx sdk.Context,
op func(definition types.ServiceDefinition) (stop bool),
) {
store := ctx.KVStore(k.storeKey)
iterator := sdk.KVStorePrefixIterator(store, types.ServiceDefinitionKey)
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
var definition types.ServiceDefinition
k.cdc.MustUnmarshal(iterator.Value(), &definition)
if stop := op(definition); stop {
break
}
}
}