ExecuteScriptAtBlockID Access API Method

पैरामीटर

Script

डोरी

आवश्यक

लोड हो रहा है...

Arguments

डोरी

आवश्यक

लोड हो रहा है...

BlockId

डोरी

आवश्यक

लोड हो रहा है...

रिटर्न

कीमत

डोरी

लोड हो रहा है...

अनुरोध

1
package main
2

3
import (
4
	"context"
5
	"fmt"
6
	"log"
7
	"strconv"
8

9
	"github.com/onflow/flow/protobuf/go/flow/access"
10
)
11

12

13
func main() {
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15
	// Requires authenticating before making the request. Refer to Intro Page on how Authentication can be done.
16
	client, err := getAccessClientWithBasicAuth("ENDPOINT-NAME", "TOKEN_GOES_HERE")
17
	ctx := context.Background()
18
	if err != nil {
19
		log.Fatalf("err: %v", err)
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	}
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	// Get Latest (sealed) block
22
	latestResp, err := client.GetLatestBlock(ctx, &access.GetLatestBlockRequest{IsSealed: true})
23
	if err != nil {
24
		log.Fatal("Get latest block failed: ", err)
25
	}
26
	fmt.Println("Latest block height: ", latestResp.Block.Height)
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	// execute script at latest block ID
29
	script := []byte(`
30
		pub fun main(a: Int): Int {
31
			return a + 10
32
		}
33
	`)
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35
	// Convert integer to JSON-CDC (Cadence JSON)
36
	arg := 10
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	// JSON-CDC representation of an integer is a JSON object with "type" and "value" fields
38
	jsonCDC := fmt.Sprintf(`{"type":"Int","value":"%s"}`, strconv.Itoa(arg))
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	// Create script arguments
41
	args := [][]byte{[]byte(jsonCDC)}
42

43
	valueHeightResp, err := client.ExecuteScriptAtBlockID(ctx, &access.ExecuteScriptAtBlockIDRequest{Script: script, Arguments: args, BlockId: latestResp.Block.Id})
44
	if err != nil {
45
		log.Fatal("execute script at block ID failed: ", err)
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	}
47
	fmt.Printf("executed script , returned %s \n", string(valueHeightResp.Value))
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49
}

1
package main
2

3
import (
4
	"context"
5
	"fmt"
6
	"log"
7
	"strconv"
8

9
	"github.com/onflow/flow/protobuf/go/flow/access"
10
)
11

12

13
func main() {
14

15
	// Requires authenticating before making the request. Refer to Intro Page on how Authentication can be done.
16
	client, err := getAccessClientWithBasicAuth("ENDPOINT-NAME", "TOKEN_GOES_HERE")
17
	ctx := context.Background()
18
	if err != nil {
19
		log.Fatalf("err: %v", err)
20
	}
21
	// Get Latest (sealed) block
22
	latestResp, err := client.GetLatestBlock(ctx, &access.GetLatestBlockRequest{IsSealed: true})
23
	if err != nil {
24
		log.Fatal("Get latest block failed: ", err)
25
	}
26
	fmt.Println("Latest block height: ", latestResp.Block.Height)
27

28
	// execute script at latest block ID
29
	script := []byte(`
30
		pub fun main(a: Int): Int {
31
			return a + 10
32
		}
33
	`)
34

35
	// Convert integer to JSON-CDC (Cadence JSON)
36
	arg := 10
37
	// JSON-CDC representation of an integer is a JSON object with "type" and "value" fields
38
	jsonCDC := fmt.Sprintf(`{"type":"Int","value":"%s"}`, strconv.Itoa(arg))
39

40
	// Create script arguments
41
	args := [][]byte{[]byte(jsonCDC)}
42

43
	valueHeightResp, err := client.ExecuteScriptAtBlockID(ctx, &access.ExecuteScriptAtBlockIDRequest{Script: script, Arguments: args, BlockId: latestResp.Block.Id})
44
	if err != nil {
45
		log.Fatal("execute script at block ID failed: ", err)
46
	}
47
	fmt.Printf("executed script , returned %s \n", string(valueHeightResp.Value))
48

49
}

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