chore: add list address dig holders in osmosis chain

scripts/export_dig_holder.go

@@ -0,0 +1,130 @@
+package main
+
+import (
+	"bufio"
+	"encoding/csv"
+	"encoding/json"
+	"fmt"
+	"os"
+	"slices"
+	"strconv"
+	"strings"
+)
+
+var mapAddr = make(map[string]int)
+
+const DigIbcDenom = "ibc/307E5C96C8F60D1CBEE269A9A86C0834E1DB06F2B3788AE4F716EDB97A48B97D"
+
+// Function to read a large file and find the text "udig"
+func findTextInLargeFile(filePath string, searchText string) bool {
+	file, err := os.Open(filePath)
+	if err != nil {
+		fmt.Println("File not found.")
+		return false
+	}
+	defer file.Close()
+
+	const chunkSize = 1024 * 1024 * 10 // 10 MB chunk size, adjust as needed
+	reader := bufio.NewReader(file)
+	buffer := make([]byte, chunkSize)
+
+	for {
+		n, err := reader.Read(buffer)
+		if err != nil && err.Error() != "EOF" {
+			fmt.Println("Error reading file:", err)
+			break
+		}
+		if n == 0 {
+			break
+		}
+		chunk := string(buffer[:n])
+		if strings.Contains(chunk, searchText) {
+			tmps := strings.Split(chunk, "},{\"address")
+			for _, tmp := range tmps {
+				s := "{\"address" + tmp + "}"
+				var result map[string]interface{}
+				if err := json.Unmarshal([]byte(s), &result); err != nil {
+					continue
+				}
+				coins, ok := result["coins"].([]interface{})
+				if !ok {
+					continue
+				}
+				balance := 0
+				for _, coin := range coins {
+					coinMap, ok := coin.(map[string]interface{})
+					if !ok {
+						continue
+					}
+					if coinMap["denom"] == DigIbcDenom {
+						amountStr, ok := coinMap["amount"].(string)
+						if !ok {
+							fmt.Println("Amount is not a string")
+							continue
+						}
+						amount, err := strconv.ParseFloat(amountStr, 64)
+						if err != nil {
+							fmt.Println("Error converting amount to float:", err)
+							continue
+						}
+						balance = int(amount)
+						break
+					}
+				}
+				address, ok := result["address"].(string)
+				if balance > 0 && ok && mapAddr[address] == 0 {
+					mapAddr[address] = balance
+				}
+			}
+		}
+		if err != nil {
+			break
+		}
+	}
+	return true
+}
+
+func main() {
+
+	// snapshot time -> 13-Feb-2024 12:40
+	filePath := "/Users/hoank/export.json" // path of genesis file in your server
+	searchText := "307E5C96C8F60D1CBEE269A9A86C0834E1DB06F2B3788AE4F716EDB97A48B97D"
+	found := findTextInLargeFile(filePath, searchText)
+	fmt.Printf("Text '%s' found: %t\n", searchText, found)
+
+	module_address := []string{
+		"osmo1szvslwsxf3y2s4lt3c7e7mm92zgy44j8krruht5zzanmhrjwyc4qqpt5nz", //pool #621 dig/osmo
+		"osmo1rqamy6jc3f0rwrg5xz8hy8q7n932t2488f2gqg3d0cadvd3uqaxq4wazn8", // contract address
+		"osmo18rqwcrvsfyy9s2tlfvmchclxf2cfw2hqvrjvkuljcrhq2vpg4suse8h6tj", // pool #620
+		"osmo125dgaejga0q9wc6jcpf75lh6aeeyvrdz88xvzd",                     // ibc-accout
+	}
+
+	csvFilePath := "output.csv"
+	file, err := os.Create(csvFilePath)
+	if err != nil {
+		fmt.Println("Error creating CSV file:", err)
+		return
+	}
+	defer file.Close()
+
+	writer := csv.NewWriter(file)
+	defer writer.Flush()
+
+	// Optionally write headers, if needed
+	err = writer.Write([]string{"Address", "Balance"})
+	if err != nil {
+		return
+	}
+	totalBalance := 0
+	for addr, balance := range mapAddr {
+		totalBalance += balance
+		if slices.Contains(module_address, addr) {
+			continue
+		}
+		row := []string{addr, fmt.Sprint(balance)}
+		writer.Write(row)
+	}
+	fmt.Println("total", len(mapAddr))
+	fmt.Printf("Data written to %s\n", csvFilePath)
+	fmt.Println("total balance", totalBalance)
+}