github.com/diadata-org/diadata@v1.4.593/pkg/dia/helpers/substrate-helper/gsrpc/main.go (about)

     1  // Go Substrate RPC Client (GSRPC) provides APIs and types around Polkadot and any Substrate-based chain RPC calls
     2  //
     3  // Copyright 2019 Centrifuge GmbH
     4  //
     5  // Licensed under the Apache License, Version 2.0 (the "License");
     6  // you may not use this file except in compliance with the License.
     7  // You may obtain a copy of the License at
     8  //
     9  //     http://www.apache.org/licenses/LICENSE-2.0
    10  //
    11  // Unless required by applicable law or agreed to in writing, software
    12  // distributed under the License is distributed on an "AS IS" BASIS,
    13  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14  // See the License for the specific language governing permissions and
    15  // limitations under the License.
    16  
    17  package gsrpc
    18  
    19  import (
    20  	"github.com/diadata-org/diadata/pkg/dia/helpers/substrate-helper/gsrpc/client"
    21  	"github.com/diadata-org/diadata/pkg/dia/helpers/substrate-helper/gsrpc/rpc"
    22  )
    23  
    24  type SubstrateAPI struct {
    25  	RPC    *rpc.RPC
    26  	Client client.Client
    27  }
    28  
    29  func NewSubstrateAPI(url string) (*SubstrateAPI, error) {
    30  	cl, err := client.Connect(url)
    31  	if err != nil {
    32  		return nil, err
    33  	}
    34  
    35  	newRPC, err := rpc.NewRPC(cl)
    36  	if err != nil {
    37  		return nil, err
    38  	}
    39  
    40  	return &SubstrateAPI{
    41  		RPC:    newRPC,
    42  		Client: cl,
    43  	}, nil
    44  }