package sharding import ( "math/big" "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/core/types" ) // Collation base struct. type Collation struct { header *CollationHeader transactions []*types.Transaction } // CollationHeader base struct. type CollationHeader struct { shardID *big.Int //the shard ID of the shard. chunkRoot *common.Hash //the root of the chunk tree which identifies collation body. period *big.Int //the period number in which collation to be included. proposerAddress *common.Address //address of the collation proposer. proposerSignature []byte //the proposer's signature for calculating collation hash. } // Header returns the collation's header. func (c *Collation) Header() *CollationHeader { return c.header } // Transactions returns an array of tx's in the collation. func (c *Collation) Transactions() []*types.Transaction { return c.transactions } // ShardID is the identifier for a shard. func (c *Collation) ShardID() *big.Int { return c.header.shardID } // Period the collation corresponds to. func (c *Collation) Period() *big.Int { return c.header.period } // ProposerAddress is the coinbase addr of the creator for the collation. func (c *Collation) ProposerAddress() *common.Address { return c.header.proposerAddress } // SetHeader updates the collation's header. func (c *Collation) SetHeader(h *CollationHeader) { c.header = h } // AddTransaction adds to the collation's body of tx blobs. func (c *Collation) AddTransaction(tx *types.Transaction) { // TODO: Include blob serialization instead. c.transactions = append(c.transactions, tx) }