ExecuteScriptAtBlockHeight Access API Method

參數

Script

字串

必填

載入中...

Arguments

字串

必填

載入中...

BlockHeight

字串

必填

載入中...

退貨

值

字串

載入中...

請求

1
package main
2

3
import (
4
	"context"
5
	"encoding/json"
6
	"fmt"
7
	"log"
8
	"strconv"
9
)
10

11
func main() {
12

13
	// Requires authenticating before making the request. Refer to Intro Page on how Authentication can be done.
14
	client, err := getAccessClientWithBasicAuth("ENDPOINT-NAME", "TOKEN_GOES_HERE")
15
	ctx := context.Background()
16
	if err != nil {
17
		log.Fatalf("err: %v", err)
18
	}
19
	
20
	// Execute script at latest block
21
	script := []byte(`
22
		pub fun main(a: Int): Int {
23
			return a + 10
24
		}
25
	`)
26

27
	// Convert integer to JSON-CDC (Cadence JSON)
28
	arg := 10
29
	// JSON-CDC representation of an integer is a JSON object with "type" and "value" fields
30
	jsonCDC := fmt.Sprintf(`{"type":"Int","value":"%s"}`, strconv.Itoa(arg))
31

32
	// Create script arguments
33
	args := [][]byte{[]byte(jsonCDC)}
34

35
	// Execute script at Block Height
36
	valueHeightResp, err := client.ExecuteScriptAtBlockHeight(ctx, &access.ExecuteScriptAtBlockHeightRequest{Script: script, Arguments: args, BlockHeight: 54774078})
37
	respJSON, err := json.Marshal(valueHeightResp)
38
	if err != nil {
39
		log.Fatal("execute script at block height failed: ", err)
40
	}
41
	fmt.Println("ExecuteScriptAtBlockHeight response:", string(respJSON))
42
}

1
package main
2

3
import (
4
	"context"
5
	"encoding/json"
6
	"fmt"
7
	"log"
8
	"strconv"
9
)
10

11
func main() {
12

13
	// Requires authenticating before making the request. Refer to Intro Page on how Authentication can be done.
14
	client, err := getAccessClientWithBasicAuth("ENDPOINT-NAME", "TOKEN_GOES_HERE")
15
	ctx := context.Background()
16
	if err != nil {
17
		log.Fatalf("err: %v", err)
18
	}
19
	
20
	// Execute script at latest block
21
	script := []byte(`
22
		pub fun main(a: Int): Int {
23
			return a + 10
24
		}
25
	`)
26

27
	// Convert integer to JSON-CDC (Cadence JSON)
28
	arg := 10
29
	// JSON-CDC representation of an integer is a JSON object with "type" and "value" fields
30
	jsonCDC := fmt.Sprintf(`{"type":"Int","value":"%s"}`, strconv.Itoa(arg))
31

32
	// Create script arguments
33
	args := [][]byte{[]byte(jsonCDC)}
34

35
	// Execute script at Block Height
36
	valueHeightResp, err := client.ExecuteScriptAtBlockHeight(ctx, &access.ExecuteScriptAtBlockHeightRequest{Script: script, Arguments: args, BlockHeight: 54774078})
37
	respJSON, err := json.Marshal(valueHeightResp)
38
	if err != nil {
39
		log.Fatal("execute script at block height failed: ", err)
40
	}
41
	fmt.Println("ExecuteScriptAtBlockHeight response:", string(respJSON))
42
}

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