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utils.go
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utils.go
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/**
* Copyright 2022-present Coinbase Global, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package utils
import (
"crypto/md5"
"fmt"
"math/big"
"strings"
"github.com/amzn/ion-go/ion"
api "github.com/coinbase-samples/ib-ledger-go/pkg/pbs/ledger/v1"
)
func GetTransactionTypeFromString(s string) (api.TransactionType, bool) {
switch s {
case "TRANSFER":
return api.TransactionType_TRANSACTION_TYPE_TRANSFER, true
case "ORDER":
return api.TransactionType_TRANSACTION_TYPE_ORDER, true
case "CONVERT":
return api.TransactionType_TRANSACTION_TYPE_CONVERT, true
default:
return api.TransactionType_TRANSACTION_TYPE_UNSPECIFIED, false
}
}
func GetStringFromTransactionType(t api.TransactionType) (string, bool) {
switch t {
case api.TransactionType_TRANSACTION_TYPE_TRANSFER:
return "TRANSFER", true
case api.TransactionType_TRANSACTION_TYPE_ORDER:
return "ORDER", true
case api.TransactionType_TRANSACTION_TYPE_CONVERT:
return "CONVERT", true
default:
return "", false
}
}
func GenerateIdemString(params ...string) string {
hashedBytes := md5.Sum([]byte(strings.Join(params, "")))
return fmt.Sprintf("%x", hashedBytes)
}
func FormatProductId(debitCurrency, creditCurrency string) string {
return fmt.Sprintf("%s-%s", strings.ToUpper(creditCurrency), strings.ToUpper(debitCurrency))
}
func SplitProductId(productId string) (string, string) {
split := strings.Split(productId, "-")
if len(split) != 2 {
return "", ""
}
return split[0], split[1]
}
func IonDecimalToBigInt(i *ion.Decimal) (*big.Int, error) {
out, exp := i.CoEx()
if exp != 0 {
return nil, fmt.Errorf(
"bad input, ion decimal should only be wrapping an int: %s",
i.String(),
)
}
return out, nil
}
func SetString(i *big.Int, s string) error {
if _, ok := i.SetString(s, 10); !ok {
return fmt.Errorf("failed to convert %s to bigInt", s)
}
return nil
}