ipld-eth-server/pkg/transformers/shared/utilities.go
2018-10-09 14:37:26 -05:00

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{}
}