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common.go
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common.go
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package interceptedBlocks
import (
"github.com/ElrondNetwork/elrond-go/core/check"
"github.com/ElrondNetwork/elrond-go/data"
"github.com/ElrondNetwork/elrond-go/data/block"
"github.com/ElrondNetwork/elrond-go/process"
"github.com/ElrondNetwork/elrond-go/sharding"
)
func checkBlockHeaderArgument(arg *ArgInterceptedBlockHeader) error {
if arg == nil {
return process.ErrNilArgumentStruct
}
if arg.HdrBuff == nil {
return process.ErrNilBuffer
}
if check.IfNil(arg.Marshalizer) {
return process.ErrNilMarshalizer
}
if check.IfNil(arg.Hasher) {
return process.ErrNilHasher
}
if check.IfNil(arg.ShardCoordinator) {
return process.ErrNilShardCoordinator
}
if check.IfNil(arg.HeaderSigVerifier) {
return process.ErrNilHeaderSigVerifier
}
if check.IfNil(arg.EpochStartTrigger) {
return process.ErrNilEpochStartTrigger
}
if len(arg.ChainID) == 0 {
return process.ErrInvalidChainID
}
if check.IfNil(arg.ValidityAttester) {
return process.ErrNilValidityAttester
}
return nil
}
func checkTxBlockBodyArgument(arg *ArgInterceptedTxBlockBody) error {
if arg == nil {
return process.ErrNilArgumentStruct
}
if arg.TxBlockBodyBuff == nil {
return process.ErrNilBuffer
}
if check.IfNil(arg.Marshalizer) {
return process.ErrNilMarshalizer
}
if check.IfNil(arg.Hasher) {
return process.ErrNilHasher
}
if check.IfNil(arg.ShardCoordinator) {
return process.ErrNilShardCoordinator
}
return nil
}
func checkHeaderHandler(hdr data.HeaderHandler) error {
if hdr.GetPubKeysBitmap() == nil {
return process.ErrNilPubKeysBitmap
}
if hdr.GetPrevHash() == nil {
return process.ErrNilPreviousBlockHash
}
if hdr.GetSignature() == nil {
return process.ErrNilSignature
}
if hdr.GetRootHash() == nil {
return process.ErrNilRootHash
}
if hdr.GetRandSeed() == nil {
return process.ErrNilRandSeed
}
if hdr.GetPrevRandSeed() == nil {
return process.ErrNilPrevRandSeed
}
return nil
}
func checkMetaShardInfo(shardInfo []block.ShardData, coordinator sharding.Coordinator) error {
for _, sd := range shardInfo {
if sd.ShardID >= coordinator.NumberOfShards() && sd.ShardID != sharding.MetachainShardId {
return process.ErrInvalidShardId
}
err := checkShardData(sd, coordinator)
if err != nil {
return err
}
}
return nil
}
func checkShardData(sd block.ShardData, coordinator sharding.Coordinator) error {
for _, smbh := range sd.ShardMiniBlockHeaders {
isWrongSenderShardId := smbh.SenderShardID >= coordinator.NumberOfShards() &&
smbh.SenderShardID != sharding.MetachainShardId
isWrongDestinationShardId := smbh.ReceiverShardID >= coordinator.NumberOfShards() &&
smbh.ReceiverShardID != sharding.MetachainShardId
isWrongShardId := isWrongSenderShardId || isWrongDestinationShardId
if isWrongShardId {
return process.ErrInvalidShardId
}
}
return nil
}
func checkMiniblocks(miniblocks []block.MiniBlockHeader, coordinator sharding.Coordinator) error {
for _, miniblock := range miniblocks {
isWrongSenderShardId := miniblock.SenderShardID >= coordinator.NumberOfShards() &&
miniblock.SenderShardID != sharding.MetachainShardId
isWrongDestinationShardId := miniblock.ReceiverShardID >= coordinator.NumberOfShards() &&
miniblock.ReceiverShardID != sharding.MetachainShardId
isWrongShardId := isWrongSenderShardId || isWrongDestinationShardId
if isWrongShardId {
return process.ErrInvalidShardId
}
}
return nil
}