forked from cerc-io/ipld-eth-server
47 lines
1.2 KiB
Go
47 lines
1.2 KiB
Go
// Copyright 2018 Vulcanize
|
|
//
|
|
// 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 shared
|
|
|
|
import "math/big"
|
|
|
|
func BigIntToInt64(value *big.Int) int64 {
|
|
if value == nil {
|
|
return int64(0)
|
|
} else {
|
|
return value.Int64()
|
|
}
|
|
}
|
|
|
|
func BigIntToString(value *big.Int) string {
|
|
result := value.String()
|
|
if result == "<nil>" {
|
|
return ""
|
|
} else {
|
|
return result
|
|
}
|
|
}
|
|
|
|
func GetDataBytesAtIndex(n int, logData []byte) []byte {
|
|
switch {
|
|
case n == -1:
|
|
return logData[len(logData)-DataItemLength:]
|
|
case n == -2:
|
|
return logData[len(logData)-(2*DataItemLength) : len(logData)-DataItemLength]
|
|
case n == -3:
|
|
return logData[len(logData)-(3*DataItemLength) : len(logData)-(2*DataItemLength)]
|
|
}
|
|
return []byte{}
|
|
}
|