github.com/InjectiveLabs/sdk-go@v1.53.0/examples/chain/bank/1_MsgSend/example.go (about)

     1  package main
     2  
     3  import (
     4  	"fmt"
     5  	"os"
     6  	"time"
     7  
     8  	"cosmossdk.io/math"
     9  
    10  	"github.com/InjectiveLabs/sdk-go/client"
    11  
    12  	"github.com/InjectiveLabs/sdk-go/client/common"
    13  
    14  	chainclient "github.com/InjectiveLabs/sdk-go/client/chain"
    15  	rpchttp "github.com/cometbft/cometbft/rpc/client/http"
    16  	sdktypes "github.com/cosmos/cosmos-sdk/types"
    17  	banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
    18  )
    19  
    20  func main() {
    21  	network := common.LoadNetwork("testnet", "lb")
    22  	tmClient, err := rpchttp.New(network.TmEndpoint, "/websocket")
    23  	if err != nil {
    24  		panic(err)
    25  	}
    26  
    27  	senderAddress, cosmosKeyring, err := chainclient.InitCosmosKeyring(
    28  		os.Getenv("HOME")+"/.injectived",
    29  		"injectived",
    30  		"file",
    31  		"inj-user",
    32  		"12345678",
    33  		"5d386fbdbf11f1141010f81a46b40f94887367562bd33b452bbaa6ce1cd1381e", // keyring will be used if pk not provided
    34  		false,
    35  	)
    36  
    37  	if err != nil {
    38  		panic(err)
    39  	}
    40  
    41  	// initialize grpc client
    42  	clientCtx, err := chainclient.NewClientContext(
    43  		network.ChainId,
    44  		senderAddress.String(),
    45  		cosmosKeyring,
    46  	)
    47  	if err != nil {
    48  		panic(err)
    49  	}
    50  	clientCtx = clientCtx.WithNodeURI(network.TmEndpoint).WithClient(tmClient)
    51  
    52  	chainClient, err := chainclient.NewChainClient(
    53  		clientCtx,
    54  		network,
    55  		common.OptionGasPrices(client.DefaultGasPriceWithDenom),
    56  	)
    57  
    58  	if err != nil {
    59  		panic(err)
    60  	}
    61  
    62  	// prepare tx msg
    63  	msg := &banktypes.MsgSend{
    64  		FromAddress: senderAddress.String(),
    65  		ToAddress:   "inj1hkhdaj2a2clmq5jq6mspsggqs32vynpk228q3r",
    66  		Amount: []sdktypes.Coin{{
    67  			Denom: "inj", Amount: math.NewInt(1000000000000000000)}, // 1 INJ
    68  		},
    69  	}
    70  
    71  	// AsyncBroadcastMsg, SyncBroadcastMsg, QueueBroadcastMsg
    72  	err = chainClient.QueueBroadcastMsg(msg)
    73  
    74  	if err != nil {
    75  		fmt.Println(err)
    76  	}
    77  
    78  	time.Sleep(time.Second * 5)
    79  
    80  	gasFee, err := chainClient.GetGasFee()
    81  
    82  	if err != nil {
    83  		fmt.Println(err)
    84  		return
    85  	}
    86  
    87  	fmt.Println("gas fee:", gasFee, "INJ")
    88  }