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feedregistry.go
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feedregistry.go
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// Copyright (C) 2021-2023 Chronicle Labs, Inc.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package chronicle
import (
"github.com/defiweb/go-eth/rpc"
"github.com/defiweb/go-eth/types"
"github.com/orcfax/oracle-suite/pkg/contract"
)
// FeedRegistry allows interacting with the FeedRegistry contract.
type FeedRegistry struct {
client rpc.RPC
address types.Address
}
// NewFeedRegistry creates a new FeedRegistry instance.
func NewFeedRegistry(client rpc.RPC, address types.Address) *FeedRegistry {
return &FeedRegistry{
client: client,
address: address,
}
}
// Client returns the RPC client used to interact with the FeedRegistry.
func (w *FeedRegistry) Client() rpc.RPC {
return w.client
}
// Address returns the address of the FeedRegistry contract.
func (w *FeedRegistry) Address() types.Address {
return w.address
}
// Feeds returns all of Chronicle Protocol's feeds.
func (w *FeedRegistry) Feeds() contract.TypedSelfCaller[[]types.Address] {
method := abiFeedRegistry.Methods["feeds"]
return contract.NewTypedCall[[]types.Address](
contract.CallOpts{
Client: w.client,
Address: w.address,
Encoder: contract.NewCallEncoder(method),
Decoder: contract.NewCallDecoder(method),
ErrorDecoder: contract.NewContractErrorDecoder(abiFeedRegistry),
},
)
}
// FeedExists returns whether address `feed` is a feed.
func (w *FeedRegistry) FeedExists(feed types.Address) contract.TypedSelfCaller[bool] {
method := abiFeedRegistry.Methods["feeds(address)"]
return contract.NewTypedCall[bool](
contract.CallOpts{
Client: w.client,
Address: w.address,
Encoder: contract.NewCallEncoder(method, feed),
Decoder: contract.NewCallDecoder(method),
ErrorDecoder: contract.NewContractErrorDecoder(abiFeedRegistry),
},
)
}