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Helper methods for Synchronizer and TX refactor

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This commit is contained in:
ToniRamirezM
2020-09-17 13:17:26 +02:00
committed by Eduard S
parent c0336f485f
commit ac677694fe
15 changed files with 389 additions and 102 deletions
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12
common/batch.go
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@@ -8,7 +8,7 @@ import (
ethCommon "github.com/ethereum/go-ethereum/common"
)
const batchNumBytesLen = 4
const batchNumBytesLen = 8
// Batch is a struct that represents Hermez network batch
type Batch struct {
@@ -24,20 +24,20 @@ type Batch struct {
}
// BatchNum identifies a batch
type BatchNum uint32
type BatchNum int64
// Bytes returns a byte array of length 4 representing the BatchNum
func (bn BatchNum) Bytes() []byte {
var batchNumBytes [4]byte
binary.LittleEndian.PutUint32(batchNumBytes[:], uint32(bn))
var batchNumBytes [batchNumBytesLen]byte
binary.BigEndian.PutUint64(batchNumBytes[:], uint64(bn))
return batchNumBytes[:]
}
// BatchNumFromBytes returns BatchNum from a []byte
func BatchNumFromBytes(b []byte) (BatchNum, error) {
if len(b) != batchNumBytesLen {
return 0, fmt.Errorf("can not parse BatchNumFromBytes, bytes len %d, expected 4", len(b))
return 0, fmt.Errorf("can not parse BatchNumFromBytes, bytes len %d, expected %d", len(b), batchNumBytesLen)
}
batchNum := binary.LittleEndian.Uint32(b[:4])
batchNum := binary.BigEndian.Uint64(b[:batchNumBytesLen])
return BatchNum(batchNum), nil
}