Golang技术在区块链跨链技术中的作用与探索

// Import the necessary packages
import (
    "fmt"
    "log"

    "github.com/cosmos/cosmos-sdk/client/keys"
    "github.com/cosmos/cosmos-sdk/client/lcd"
)

// ConnectToChainA creates a client connection to Cosmos chain A
func ConnectToChainA(addr, privKeyFile string, keyPass string) (*lcd.Client, error) {
    // Load the private key
    info, err := keys.LoadOrAddKeyFromHomeFile(privKeyFile, "default", false, keyPass)
    if err != nil {
        return nil, err
    }

    // Create the client connection
    lcdClient, err := lcd.NewClient(addr, env, info)
    if err != nil {
        return nil, err
    }
    return lcdClient, nil
}

// IBC example
func main() {
    // Connect to chain A
    chainAClient, err := ConnectToChainA("chain-a-rpc", "chain-a-key.json", "1234")
    if err != nil {
        log.Fatal(err)
    }

    // Perform IBC actions using client A, such as sending tokens or messages
}