85 lines
1.7 KiB
Go
85 lines
1.7 KiB
Go
package utils
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import (
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"bytes"
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"encoding/base64"
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"encoding/json"
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"fmt"
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"reflect"
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"github.com/mr-tron/base58"
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"golang.org/x/crypto/blake2b"
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)
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func PrettyPrint(v interface{}) {
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b, err := json.Marshal(v)
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if err != nil {
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fmt.Println(v)
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return
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}
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var out bytes.Buffer
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err = json.Indent(&out, b, "", " ")
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if err != nil {
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fmt.Println(v)
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return
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}
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fmt.Println(out.String())
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}
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func IsFieldNonEmpty(v interface{}, fieldName string) bool {
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rv := reflect.ValueOf(v)
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field := rv.FieldByName(fieldName)
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if !field.IsValid() {
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return false
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}
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return !field.IsZero()
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}
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// GetTxDigest get transaction digest from tx bytes in base64
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// go version of https://github.com/MystenLabs/sui/blob/main/sdk/typescript/src/transactions/TransactionData.ts
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func GetTxDigest(txBytesB64 string) (string, error) {
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txBytes, err := base64.StdEncoding.DecodeString(txBytesB64)
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if err != nil {
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return "", err
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}
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return GetTxDigestFromBytes(txBytes)
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}
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// GetTxDigestFromBytes get transaction digest from tx bytes
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func GetTxDigestFromBytes(txBytes []byte) (string, error) {
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typedData, err := hashTypedData("TransactionData", txBytes)
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if err != nil {
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return "", err
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}
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return base58.Encode(typedData), nil
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}
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func hashTypedData(typeTag string, data []byte) ([]byte, error) {
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// Convert typeTag to bytes and append "::"
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typeTagBytes := []byte(typeTag + "::")
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// Create a new byte array to hold typeTagBytes and data
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dataWithTag := append(typeTagBytes, data...)
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// Perform BLAKE2b hashing with a digest size of 32 bytes
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hash, err := blake2b.New(32, nil)
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if err != nil {
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return nil, err
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}
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_, err = hash.Write(dataWithTag)
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if err != nil {
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return nil, err
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}
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return hash.Sum(nil), nil
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}
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