// rpcOutputBlock converts the given block to the RPC output which depends on fullTx. If inclTx is true transactions are // returned. When fullTx is true the returned block contains full transaction details, otherwise it will only contain // transaction hashes. func (s *PublicBlockChainAPI) rpcOutputBlock(b *types.Block, inclTx bool, fullTx bool) (map[string]interface{}, error) { fields := map[string]interface{}{ "number": rpc.NewHexNumber(b.Number()), "hash": b.Hash(), "parentHash": b.ParentHash(), "nonce": b.Header().Nonce, "sha3Uncles": b.UncleHash(), "logsBloom": b.Bloom(), "stateRoot": b.Root(), "miner": b.Coinbase(), "difficulty": rpc.NewHexNumber(b.Difficulty()), "totalDifficulty": rpc.NewHexNumber(s.bc.GetTd(b.Hash())), "extraData": fmt.Sprintf("0x%x", b.Extra()), "size": rpc.NewHexNumber(b.Size().Int64()), "gasLimit": rpc.NewHexNumber(b.GasLimit()), "gasUsed": rpc.NewHexNumber(b.GasUsed()), "timestamp": rpc.NewHexNumber(b.Time()), "transactionsRoot": b.TxHash(), "receiptRoot": b.ReceiptHash(), } if inclTx { formatTx := func(tx *types.Transaction) (interface{}, error) { return tx.Hash(), nil } if fullTx { formatTx = func(tx *types.Transaction) (interface{}, error) { return newRPCTransaction(b, tx.Hash()) } } txs := b.Transactions() transactions := make([]interface{}, len(txs)) var err error for i, tx := range b.Transactions() { if transactions[i], err = formatTx(tx); err != nil { return nil, err } } fields["transactions"] = transactions } uncles := b.Uncles() uncleHashes := make([]common.Hash, len(uncles)) for i, uncle := range uncles { uncleHashes[i] = uncle.Hash() } fields["uncles"] = uncleHashes return fields, nil }
func makeHeader(parent *types.Block, state *state.StateDB) *types.Header { var time *big.Int if parent.Time() == nil { time = big.NewInt(10) } else { time = new(big.Int).Add(parent.Time(), big.NewInt(10)) // block time is fixed at 10 seconds } return &types.Header{ Root: state.IntermediateRoot(), ParentHash: parent.Hash(), Coinbase: parent.Coinbase(), Difficulty: CalcDifficulty(time.Uint64(), new(big.Int).Sub(time, big.NewInt(10)).Uint64(), parent.Number(), parent.Difficulty()), GasLimit: CalcGasLimit(parent), GasUsed: new(big.Int), Number: new(big.Int).Add(parent.Number(), common.Big1), Time: time, } }