example.go

package main

import (
	"fmt"
	"os"
	"time"

	"github.com/InjectiveLabs/sdk-go/client/common"

	chainclient "github.com/InjectiveLabs/sdk-go/client/chain"
	sdktypes "github.com/cosmos/cosmos-sdk/types"
	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
	rpchttp "github.com/tendermint/tendermint/rpc/client/http"
)

func main() {
	// network := common.LoadNetwork("mainnet", "k8s")
	network := common.LoadNetwork("testnet", "k8s")
	tmRPC, err := rpchttp.New(network.TmEndpoint, "/websocket")

	if err != nil {
		fmt.Println(err)
	}

	senderAddress, cosmosKeyring, err := chainclient.InitCosmosKeyring(
		os.Getenv("HOME")+"/.injectived",
		"injectived",
		"file",
		"inj-user",
		"12345678",
		"5d386fbdbf11f1141010f81a46b40f94887367562bd33b452bbaa6ce1cd1381e", // keyring will be used if pk not provided
		false,
	)

	if err != nil {
		panic(err)
	}

	clientCtx, err := chainclient.NewClientContext(
		network.ChainId,
		senderAddress.String(),
		cosmosKeyring,
	)

	if err != nil {
		fmt.Println(err)
	}

	clientCtx = clientCtx.WithNodeURI(network.TmEndpoint).WithClient(tmRPC)

	chainClient, err := chainclient.NewChainClient(
		clientCtx,
		network.ChainGrpcEndpoint,
		common.OptionTLSCert(network.ChainTlsCert),
		common.OptionGasPrices("500000000inj"),
	)

	if err != nil {
		fmt.Println(err)
	}

	msg := new(stakingtypes.MsgDelegate)
	msg.DelegatorAddress = senderAddress.String()
	msg.ValidatorAddress = "injvaloper14gy4acwjm96wd20awm9ar6j54lev5p7espy9ug"
	msg.Amount = sdktypes.Coin{
		Denom: "inj", Amount: sdktypes.NewInt(1000000000000000000), // 1 INJ
	}

	//AsyncBroadcastMsg, SyncBroadcastMsg, QueueBroadcastMsg
	err = chainClient.QueueBroadcastMsg(msg)

	if err != nil {
		fmt.Println(err)
	}

	time.Sleep(time.Second * 5)

	gasFee, err := chainClient.GetGasFee()

	if err != nil {
		fmt.Println(err)
		return
	}

	fmt.Println("gas fee:", gasFee, "INJ")
}