verification

type ChunkDataPackRequest struct {
	ChunkID   flow.Identifier
	Height    uint64              // block height of execution result of the chunk, used to drop chunk requests of sealed heights.
	Agrees    flow.IdentifierList // execution node ids that generated the result of chunk.
	Disagrees flow.IdentifierList // execution node ids that generated a conflicting result with result of chunk.
	Targets   flow.IdentityList   // list of all execution nodes identity at the block height of this chunk (including non-responders).
}

type ChunkDataPackRequestList []*ChunkDataPackRequest

type ChunkStatus struct {
	ChunkIndex      uint64
	ExecutionResult *flow.ExecutionResult
	BlockHeight     uint64
}

type ChunkStatusList []*ChunkStatus

type ReceiptDataPack struct {
	Receipt  *flow.ExecutionReceipt
	OriginID flow.Identifier
	Ctx      context.Context // used for span tracing
}

type ResultDataPack struct {
	ExecutorID      flow.Identifier
	ExecutionResult *flow.ExecutionResult
}

type VerifiableChunkData struct {
	IsSystemChunk     bool                  // indicates whether this is a system chunk
	Chunk             *flow.Chunk           // the chunk to be verified
	Header            *flow.Header          // BlockHeader that contains this chunk
	Result            *flow.ExecutionResult // execution result of this block
	Collection        *flow.Collection      // collection corresponding to the chunk
	ChunkDataPack     *flow.ChunkDataPack   // chunk data package needed to verify this chunk
	EndState          flow.StateCommitment  // state commitment at the end of this chunk
	TransactionOffset uint32                // index of the first transaction in a chunk within a block
}