github.com/gagliardetto/solana-go@v1.11.0/rpc/ws/examples/accountSubscribe/accountSubscribe.go (about)

     1  // Copyright 2021 github.com/gagliardetto
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package main
    16  
    17  import (
    18  	"context"
    19  
    20  	"github.com/davecgh/go-spew/spew"
    21  	"github.com/gagliardetto/solana-go"
    22  	"github.com/gagliardetto/solana-go/rpc"
    23  	"github.com/gagliardetto/solana-go/rpc/ws"
    24  )
    25  
    26  func main() {
    27  	client, err := ws.Connect(context.Background(), rpc.MainNetBeta_WS)
    28  	if err != nil {
    29  		panic(err)
    30  	}
    31  	defer client.Close()
    32  	program := solana.MustPublicKeyFromBase58("9xQeWvG816bUx9EPjHmaT23yvVM2ZWbrrpZb9PusVFin") // serum
    33  
    34  	{
    35  		sub, err := client.AccountSubscribe(
    36  			program,
    37  			"",
    38  		)
    39  		if err != nil {
    40  			panic(err)
    41  		}
    42  		defer sub.Unsubscribe()
    43  
    44  		for {
    45  			got, err := sub.Recv()
    46  			if err != nil {
    47  				panic(err)
    48  			}
    49  			spew.Dump(got)
    50  		}
    51  	}
    52  	if false {
    53  		sub, err := client.AccountSubscribeWithOpts(
    54  			program,
    55  			"",
    56  			// You can specify the data encoding of the returned accounts:
    57  			solana.EncodingBase64,
    58  		)
    59  		if err != nil {
    60  			panic(err)
    61  		}
    62  		defer sub.Unsubscribe()
    63  
    64  		for {
    65  			got, err := sub.Recv()
    66  			if err != nil {
    67  				panic(err)
    68  			}
    69  			spew.Dump(got)
    70  		}
    71  	}
    72  }