github.com/gagliardetto/solana-go@v1.11.0/rpc/examples/getBlock/getBlock.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  )
    24  
    25  func main() {
    26  	endpoint := rpc.TestNet_RPC
    27  	client := rpc.New(endpoint)
    28  
    29  	example, err := client.GetRecentBlockhash(context.TODO(), rpc.CommitmentFinalized)
    30  	if err != nil {
    31  		panic(err)
    32  	}
    33  
    34  	{
    35  		out, err := client.GetBlock(context.TODO(), uint64(example.Context.Slot))
    36  		if err != nil {
    37  			panic(err)
    38  		}
    39  		// spew.Dump(out) // NOTE: This generates a lot of output.
    40  		spew.Dump(len(out.Transactions))
    41  	}
    42  
    43  	{
    44  		includeRewards := false
    45  		out, err := client.GetBlockWithOpts(
    46  			context.TODO(),
    47  			uint64(example.Context.Slot),
    48  			// You can specify more options here:
    49  			&rpc.GetBlockOpts{
    50  				Encoding:   solana.EncodingBase64,
    51  				Commitment: rpc.CommitmentFinalized,
    52  				// Get only signatures:
    53  				TransactionDetails: rpc.TransactionDetailsSignatures,
    54  				// Exclude rewards:
    55  				Rewards: &includeRewards,
    56  			},
    57  		)
    58  		if err != nil {
    59  			panic(err)
    60  		}
    61  		spew.Dump(out)
    62  	}
    63  }