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authorobscuren <geffobscura@gmail.com>2014-10-31 17:59:17 +0800
committerobscuren <geffobscura@gmail.com>2014-10-31 17:59:17 +0800
commit3ee0461cb5b6e4a5e2d287180afbdb681805a662 (patch)
treef245667a9e3f5f0ff23bb1c89f4f7cc783f4949c /ethchain/block.go
parent8e0a39f33f9d24ebeca9cc88edf24cc6294552d7 (diff)
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Moved ethchain to chain
Diffstat (limited to 'ethchain/block.go')
-rw-r--r--ethchain/block.go419
1 files changed, 0 insertions, 419 deletions
diff --git a/ethchain/block.go b/ethchain/block.go
deleted file mode 100644
index a10da97ec..000000000
--- a/ethchain/block.go
+++ /dev/null
@@ -1,419 +0,0 @@
-package ethchain
-
-import (
- "bytes"
- "fmt"
- "math/big"
- "sort"
- "time"
-
- "github.com/ethereum/go-ethereum/ethcrypto"
- "github.com/ethereum/go-ethereum/ethstate"
- "github.com/ethereum/go-ethereum/ethtrie"
- "github.com/ethereum/go-ethereum/ethutil"
-)
-
-type BlockInfo struct {
- Number uint64
- Hash []byte
- Parent []byte
- TD *big.Int
-}
-
-func (bi *BlockInfo) RlpDecode(data []byte) {
- decoder := ethutil.NewValueFromBytes(data)
-
- bi.Number = decoder.Get(0).Uint()
- bi.Hash = decoder.Get(1).Bytes()
- bi.Parent = decoder.Get(2).Bytes()
- bi.TD = decoder.Get(3).BigInt()
-}
-
-func (bi *BlockInfo) RlpEncode() []byte {
- return ethutil.Encode([]interface{}{bi.Number, bi.Hash, bi.Parent, bi.TD})
-}
-
-type Blocks []*Block
-
-func (self Blocks) AsSet() ethutil.UniqueSet {
- set := make(ethutil.UniqueSet)
- for _, block := range self {
- set.Insert(block.Hash())
- }
-
- return set
-}
-
-type BlockBy func(b1, b2 *Block) bool
-
-func (self BlockBy) Sort(blocks Blocks) {
- bs := blockSorter{
- blocks: blocks,
- by: self,
- }
- sort.Sort(bs)
-}
-
-type blockSorter struct {
- blocks Blocks
- by func(b1, b2 *Block) bool
-}
-
-func (self blockSorter) Len() int { return len(self.blocks) }
-func (self blockSorter) Swap(i, j int) {
- self.blocks[i], self.blocks[j] = self.blocks[j], self.blocks[i]
-}
-func (self blockSorter) Less(i, j int) bool { return self.by(self.blocks[i], self.blocks[j]) }
-
-func Number(b1, b2 *Block) bool { return b1.Number.Cmp(b2.Number) < 0 }
-
-type Block struct {
- // Hash to the previous block
- PrevHash ethutil.Bytes
- // Uncles of this block
- Uncles Blocks
- UncleSha []byte
- // The coin base address
- Coinbase []byte
- // Block Trie state
- //state *ethutil.Trie
- state *ethstate.State
- // Difficulty for the current block
- Difficulty *big.Int
- // Creation time
- Time int64
- // The block number
- Number *big.Int
- // Minimum Gas Price
- MinGasPrice *big.Int
- // Gas limit
- GasLimit *big.Int
- // Gas used
- GasUsed *big.Int
- // Extra data
- Extra string
- // Block Nonce for verification
- Nonce ethutil.Bytes
- // List of transactions and/or contracts
- transactions Transactions
- receipts Receipts
- TxSha, ReceiptSha []byte
- LogsBloom []byte
-}
-
-func NewBlockFromBytes(raw []byte) *Block {
- block := &Block{}
- block.RlpDecode(raw)
-
- return block
-}
-
-// New block takes a raw encoded string
-func NewBlockFromRlpValue(rlpValue *ethutil.Value) *Block {
- block := &Block{}
- block.RlpValueDecode(rlpValue)
-
- return block
-}
-
-func CreateBlock(root interface{},
- prevHash []byte,
- base []byte,
- Difficulty *big.Int,
- Nonce []byte,
- extra string) *Block {
-
- block := &Block{
- PrevHash: prevHash,
- Coinbase: base,
- Difficulty: Difficulty,
- Nonce: Nonce,
- Time: time.Now().Unix(),
- Extra: extra,
- UncleSha: nil,
- GasUsed: new(big.Int),
- MinGasPrice: new(big.Int),
- GasLimit: new(big.Int),
- }
- block.SetUncles([]*Block{})
-
- block.state = ethstate.New(ethtrie.New(ethutil.Config.Db, root))
-
- return block
-}
-
-// Returns a hash of the block
-func (block *Block) Hash() ethutil.Bytes {
- return ethcrypto.Sha3(ethutil.NewValue(block.header()).Encode())
- //return ethcrypto.Sha3(block.Value().Encode())
-}
-
-func (block *Block) HashNoNonce() []byte {
- return ethcrypto.Sha3(ethutil.Encode(block.miningHeader()))
-}
-
-func (block *Block) State() *ethstate.State {
- return block.state
-}
-
-func (block *Block) Transactions() []*Transaction {
- return block.transactions
-}
-
-func (block *Block) CalcGasLimit(parent *Block) *big.Int {
- if block.Number.Cmp(big.NewInt(0)) == 0 {
- return ethutil.BigPow(10, 6)
- }
-
- // ((1024-1) * parent.gasLimit + (gasUsed * 6 / 5)) / 1024
-
- previous := new(big.Int).Mul(big.NewInt(1024-1), parent.GasLimit)
- current := new(big.Rat).Mul(new(big.Rat).SetInt(parent.GasUsed), big.NewRat(6, 5))
- curInt := new(big.Int).Div(current.Num(), current.Denom())
-
- result := new(big.Int).Add(previous, curInt)
- result.Div(result, big.NewInt(1024))
-
- min := big.NewInt(125000)
-
- return ethutil.BigMax(min, result)
-}
-
-func (block *Block) BlockInfo() BlockInfo {
- bi := BlockInfo{}
- data, _ := ethutil.Config.Db.Get(append(block.Hash(), []byte("Info")...))
- bi.RlpDecode(data)
-
- return bi
-}
-
-func (self *Block) GetTransaction(hash []byte) *Transaction {
- for _, tx := range self.transactions {
- if bytes.Compare(tx.Hash(), hash) == 0 {
- return tx
- }
- }
-
- return nil
-}
-
-// Sync the block's state and contract respectively
-func (block *Block) Sync() {
- block.state.Sync()
-}
-
-func (block *Block) Undo() {
- // Sync the block state itself
- block.state.Reset()
-}
-
-/////// Block Encoding
-func (block *Block) rlpReceipts() interface{} {
- // Marshal the transactions of this block
- encR := make([]interface{}, len(block.receipts))
- for i, r := range block.receipts {
- // Cast it to a string (safe)
- encR[i] = r.RlpData()
- }
-
- return encR
-}
-
-func (block *Block) rlpUncles() interface{} {
- // Marshal the transactions of this block
- uncles := make([]interface{}, len(block.Uncles))
- for i, uncle := range block.Uncles {
- // Cast it to a string (safe)
- uncles[i] = uncle.header()
- }
-
- return uncles
-}
-
-func (block *Block) SetUncles(uncles []*Block) {
- block.Uncles = uncles
- block.UncleSha = ethcrypto.Sha3(ethutil.Encode(block.rlpUncles()))
-}
-
-func (self *Block) SetReceipts(receipts Receipts) {
- self.receipts = receipts
- self.ReceiptSha = DeriveSha(receipts)
- self.LogsBloom = CreateBloom(self)
-}
-
-func (self *Block) SetTransactions(txs Transactions) {
- self.transactions = txs
- self.TxSha = DeriveSha(txs)
-}
-
-func (block *Block) Value() *ethutil.Value {
- return ethutil.NewValue([]interface{}{block.header(), block.transactions, block.rlpUncles()})
-}
-
-func (block *Block) RlpEncode() []byte {
- // Encode a slice interface which contains the header and the list of
- // transactions.
- return block.Value().Encode()
-}
-
-func (block *Block) RlpDecode(data []byte) {
- rlpValue := ethutil.NewValueFromBytes(data)
- block.RlpValueDecode(rlpValue)
-}
-
-func (block *Block) RlpValueDecode(decoder *ethutil.Value) {
- block.setHeader(decoder.Get(0))
-
- // Tx list might be empty if this is an uncle. Uncles only have their
- // header set.
- if decoder.Get(1).IsNil() == false { // Yes explicitness
- //receipts := decoder.Get(1)
- //block.receipts = make([]*Receipt, receipts.Len())
- txs := decoder.Get(1)
- block.transactions = make(Transactions, txs.Len())
- for i := 0; i < txs.Len(); i++ {
- block.transactions[i] = NewTransactionFromValue(txs.Get(i))
- //receipt := NewRecieptFromValue(receipts.Get(i))
- //block.transactions[i] = receipt.Tx
- //block.receipts[i] = receipt
- }
-
- }
-
- if decoder.Get(2).IsNil() == false { // Yes explicitness
- uncles := decoder.Get(2)
- block.Uncles = make([]*Block, uncles.Len())
- for i := 0; i < uncles.Len(); i++ {
- block.Uncles[i] = NewUncleBlockFromValue(uncles.Get(i))
- }
- }
-
-}
-
-func (self *Block) setHeader(header *ethutil.Value) {
- self.PrevHash = header.Get(0).Bytes()
- self.UncleSha = header.Get(1).Bytes()
- self.Coinbase = header.Get(2).Bytes()
- self.state = ethstate.New(ethtrie.New(ethutil.Config.Db, header.Get(3).Val))
- self.TxSha = header.Get(4).Bytes()
- self.ReceiptSha = header.Get(5).Bytes()
- self.LogsBloom = header.Get(6).Bytes()
- self.Difficulty = header.Get(7).BigInt()
- self.Number = header.Get(8).BigInt()
- self.MinGasPrice = header.Get(9).BigInt()
- self.GasLimit = header.Get(10).BigInt()
- self.GasUsed = header.Get(11).BigInt()
- self.Time = int64(header.Get(12).BigInt().Uint64())
- self.Extra = header.Get(13).Str()
- self.Nonce = header.Get(14).Bytes()
-}
-
-func NewUncleBlockFromValue(header *ethutil.Value) *Block {
- block := &Block{}
- block.setHeader(header)
-
- return block
-}
-
-func (block *Block) Trie() *ethtrie.Trie {
- return block.state.Trie
-}
-
-func (block *Block) GetRoot() interface{} {
- return block.state.Trie.Root
-}
-
-func (block *Block) Diff() *big.Int {
- return block.Difficulty
-}
-
-func (self *Block) Receipts() []*Receipt {
- return self.receipts
-}
-
-func (block *Block) miningHeader() []interface{} {
- return []interface{}{
- // Sha of the previous block
- block.PrevHash,
- // Sha of uncles
- block.UncleSha,
- // Coinbase address
- block.Coinbase,
- // root state
- block.state.Trie.Root,
- // tx root
- block.TxSha,
- // Sha of tx
- block.ReceiptSha,
- // Bloom
- block.LogsBloom,
- // Current block Difficulty
- block.Difficulty,
- // The block number
- block.Number,
- // Block minimum gas price
- block.MinGasPrice,
- // Block upper gas bound
- block.GasLimit,
- // Block gas used
- block.GasUsed,
- // Time the block was found?
- block.Time,
- // Extra data
- block.Extra,
- }
-}
-
-func (block *Block) header() []interface{} {
- return append(block.miningHeader(), block.Nonce)
-}
-
-func (block *Block) String() string {
- return fmt.Sprintf(`
- BLOCK(%x): Size: %v
- PrevHash: %x
- UncleSha: %x
- Coinbase: %x
- Root: %x
- TxSha %x
- ReceiptSha: %x
- Bloom: %x
- Difficulty: %v
- Number: %v
- MinGas: %v
- MaxLimit: %v
- GasUsed: %v
- Time: %v
- Extra: %v
- Nonce: %x
- NumTx: %v
-`,
- block.Hash(),
- block.Size(),
- block.PrevHash,
- block.UncleSha,
- block.Coinbase,
- block.state.Trie.Root,
- block.TxSha,
- block.ReceiptSha,
- block.LogsBloom,
- block.Difficulty,
- block.Number,
- block.MinGasPrice,
- block.GasLimit,
- block.GasUsed,
- block.Time,
- block.Extra,
- block.Nonce,
- len(block.transactions),
- )
-}
-
-func (self *Block) Size() ethutil.StorageSize {
- return ethutil.StorageSize(len(self.RlpEncode()))
-}
-
-// Implement RlpEncodable
-func (self *Block) RlpData() interface{} {
- return self.Value().Val
-}