2014-10-31 02:59:17 -07:00
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package chain
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2014-02-14 14:56:09 -08:00
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import (
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"bytes"
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2014-06-02 06:20:27 -07:00
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"container/list"
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2014-11-04 02:04:02 -08:00
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"errors"
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2014-06-30 04:09:04 -07:00
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"fmt"
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2014-08-08 06:36:59 -07:00
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"math/big"
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2014-09-15 13:11:05 -07:00
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"os"
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2014-08-08 06:36:59 -07:00
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"sync"
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"time"
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2014-10-31 04:37:43 -07:00
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"github.com/ethereum/go-ethereum/crypto"
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2014-10-23 06:01:27 -07:00
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"github.com/ethereum/go-ethereum/ethutil"
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"github.com/ethereum/go-ethereum/event"
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2014-10-31 04:56:05 -07:00
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"github.com/ethereum/go-ethereum/logger"
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2014-10-31 06:43:14 -07:00
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"github.com/ethereum/go-ethereum/state"
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2014-10-31 06:53:42 -07:00
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"github.com/ethereum/go-ethereum/wire"
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2014-02-14 14:56:09 -08:00
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)
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2014-10-31 04:56:05 -07:00
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var statelogger = logger.NewLogger("BLOCK")
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2014-06-23 04:54:10 -07:00
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2014-06-02 06:20:27 -07:00
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type Peer interface {
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Inbound() bool
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LastSend() time.Time
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LastPong() int64
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Host() []byte
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Port() uint16
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Version() string
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2014-06-03 01:42:55 -07:00
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PingTime() string
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2014-06-02 06:20:27 -07:00
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Connected() *int32
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2014-09-26 04:45:26 -07:00
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Caps() *ethutil.Value
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2014-06-02 06:20:27 -07:00
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}
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2014-03-05 01:42:51 -08:00
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type EthManager interface {
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2014-11-04 01:57:02 -08:00
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BlockManager() *BlockManager
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2014-10-20 02:53:11 -07:00
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ChainManager() *ChainManager
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2014-03-05 01:42:51 -08:00
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TxPool() *TxPool
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2014-10-31 06:53:42 -07:00
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Broadcast(msgType wire.MsgType, data []interface{})
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2014-05-13 05:43:29 -07:00
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PeerCount() int
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IsMining() bool
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IsListening() bool
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2014-06-02 06:20:27 -07:00
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Peers() *list.List
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2014-10-31 04:37:43 -07:00
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KeyManager() *crypto.KeyManager
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2014-10-31 06:53:42 -07:00
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ClientIdentity() wire.ClientIdentity
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2014-08-11 07:23:38 -07:00
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Db() ethutil.Database
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2014-10-13 16:58:31 -07:00
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EventMux() *event.TypeMux
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2014-03-05 01:42:51 -08:00
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}
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2014-11-04 01:57:02 -08:00
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type BlockManager struct {
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2014-02-14 14:56:09 -08:00
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// Mutex for locking the block processor. Blocks can only be handled one at a time
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mutex sync.Mutex
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2014-03-05 01:42:51 -08:00
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// Canonical block chain
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2014-10-20 02:53:11 -07:00
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bc *ChainManager
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2014-02-14 14:56:09 -08:00
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// non-persistent key/value memory storage
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mem map[string]*big.Int
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2014-05-08 09:41:45 -07:00
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// Proof of work used for validating
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2014-02-14 14:56:09 -08:00
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Pow PoW
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2014-05-08 09:41:45 -07:00
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// The ethereum manager interface
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2014-09-29 03:57:51 -07:00
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eth EthManager
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2014-03-05 01:42:51 -08:00
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// The managed states
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2014-05-08 09:26:46 -07:00
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// Transiently state. The trans state isn't ever saved, validated and
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// it could be used for setting account nonces without effecting
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// the main states.
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2014-10-31 06:43:14 -07:00
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transState *state.State
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2014-05-17 05:07:52 -07:00
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// Mining state. The mining state is used purely and solely by the mining
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// operation.
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2014-10-31 06:43:14 -07:00
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miningState *state.State
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2014-07-10 06:05:06 -07:00
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// The last attempted block is mainly used for debugging purposes
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// This does not have to be a valid block and will be set during
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// 'Process' & canonical validation.
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lastAttemptedBlock *Block
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2014-09-29 03:57:51 -07:00
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2014-10-13 16:58:31 -07:00
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events event.Subscription
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2014-02-14 14:56:09 -08:00
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}
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2014-11-04 01:57:02 -08:00
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func NewBlockManager(ethereum EthManager) *BlockManager {
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sm := &BlockManager{
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2014-10-13 16:58:31 -07:00
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mem: make(map[string]*big.Int),
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Pow: &EasyPow{},
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eth: ethereum,
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2014-10-20 02:53:11 -07:00
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bc: ethereum.ChainManager(),
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2014-02-14 14:56:09 -08:00
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}
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2014-10-20 02:53:11 -07:00
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sm.transState = ethereum.ChainManager().CurrentBlock.State().Copy()
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sm.miningState = ethereum.ChainManager().CurrentBlock.State().Copy()
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2014-05-08 09:26:46 -07:00
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2014-03-05 01:57:32 -08:00
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return sm
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2014-02-14 14:56:09 -08:00
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}
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2014-11-04 01:57:02 -08:00
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func (self *BlockManager) Start() {
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2014-09-29 03:57:51 -07:00
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statelogger.Debugln("Starting state manager")
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2014-10-13 16:58:31 -07:00
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self.events = self.eth.EventMux().Subscribe(Blocks(nil))
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2014-09-29 03:57:51 -07:00
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go self.updateThread()
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}
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2014-11-04 01:57:02 -08:00
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func (self *BlockManager) Stop() {
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2014-09-29 03:57:51 -07:00
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statelogger.Debugln("Stopping state manager")
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2014-10-13 16:58:31 -07:00
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self.events.Unsubscribe()
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2014-09-29 03:57:51 -07:00
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}
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2014-11-04 01:57:02 -08:00
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func (self *BlockManager) updateThread() {
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2014-10-13 16:58:31 -07:00
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for ev := range self.events.Chan() {
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for _, block := range ev.(Blocks) {
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2014-10-29 06:20:42 -07:00
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err := self.Process(block)
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2014-10-13 16:58:31 -07:00
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if err != nil {
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statelogger.Infoln(err)
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statelogger.Debugf("Block #%v failed (%x...)\n", block.Number, block.Hash()[0:4])
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statelogger.Debugln(block)
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break
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2014-09-29 03:57:51 -07:00
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}
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}
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}
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}
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2014-11-04 01:57:02 -08:00
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func (sm *BlockManager) CurrentState() *state.State {
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2014-10-20 02:53:11 -07:00
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return sm.eth.ChainManager().CurrentBlock.State()
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2014-03-05 01:42:51 -08:00
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}
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2014-11-04 01:57:02 -08:00
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func (sm *BlockManager) TransState() *state.State {
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2014-05-08 09:26:46 -07:00
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return sm.transState
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2014-02-22 16:56:48 -08:00
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}
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2014-11-04 01:57:02 -08:00
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func (sm *BlockManager) MiningState() *state.State {
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2014-05-17 05:07:52 -07:00
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return sm.miningState
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}
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2014-11-04 01:57:02 -08:00
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func (sm *BlockManager) NewMiningState() *state.State {
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2014-10-20 02:53:11 -07:00
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sm.miningState = sm.eth.ChainManager().CurrentBlock.State().Copy()
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2014-05-17 05:07:52 -07:00
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return sm.miningState
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}
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2014-11-04 01:57:02 -08:00
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func (sm *BlockManager) ChainManager() *ChainManager {
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2014-03-05 01:57:32 -08:00
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return sm.bc
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2014-02-14 14:56:09 -08:00
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}
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2014-11-04 01:57:02 -08:00
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func (self *BlockManager) ProcessTransactions(coinbase *state.StateObject, state *state.State, block, parent *Block, txs Transactions) (Receipts, Transactions, Transactions, Transactions, error) {
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2014-06-13 03:45:11 -07:00
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var (
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receipts Receipts
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handled, unhandled Transactions
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2014-10-27 08:52:58 -07:00
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erroneous Transactions
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2014-06-13 03:45:11 -07:00
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totalUsedGas = big.NewInt(0)
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err error
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)
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done:
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for i, tx := range txs {
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2014-10-30 05:32:50 -07:00
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// If we are mining this block and validating we want to set the logs back to 0
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state.EmptyLogs()
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2014-06-13 03:45:11 -07:00
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txGas := new(big.Int).Set(tx.Gas)
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2014-07-17 05:53:27 -07:00
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cb := state.GetStateObject(coinbase.Address())
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st := NewStateTransition(cb, tx, state, block)
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2014-06-13 03:57:52 -07:00
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err = st.TransitionState()
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2014-05-22 08:35:26 -07:00
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if err != nil {
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2014-07-22 02:54:48 -07:00
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statelogger.Infoln(err)
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2014-06-13 03:45:11 -07:00
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switch {
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case IsNonceErr(err):
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err = nil // ignore error
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2014-06-10 08:23:32 -07:00
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continue
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2014-06-13 03:45:11 -07:00
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case IsGasLimitErr(err):
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unhandled = txs[i:]
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2014-05-28 06:07:11 -07:00
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2014-06-13 03:45:11 -07:00
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break done
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default:
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2014-06-23 04:54:10 -07:00
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statelogger.Infoln(err)
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2014-10-27 08:52:58 -07:00
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erroneous = append(erroneous, tx)
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2014-07-01 02:26:45 -07:00
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err = nil
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2014-10-27 08:52:58 -07:00
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continue
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2014-06-13 03:45:11 -07:00
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}
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2014-05-22 08:35:26 -07:00
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}
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2014-06-19 04:42:14 -07:00
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// Update the state with pending changes
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state.Update()
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2014-06-13 03:45:11 -07:00
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txGas.Sub(txGas, st.gas)
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2014-10-29 02:34:40 -07:00
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cumulative := new(big.Int).Set(totalUsedGas.Add(totalUsedGas, txGas))
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2014-10-30 05:32:50 -07:00
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receipt := &Receipt{ethutil.CopyBytes(state.Root().([]byte)), cumulative, LogsBloom(state.Logs()).Bytes(), state.Logs()}
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2014-05-22 08:35:26 -07:00
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2014-07-18 04:21:40 -07:00
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if i < len(block.Receipts()) {
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original := block.Receipts()[i]
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if !original.Cmp(receipt) {
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2014-09-15 13:11:05 -07:00
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if ethutil.Config.Diff {
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os.Exit(1)
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}
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2014-10-29 02:34:40 -07:00
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err := fmt.Errorf("#%d receipt failed (r) %v ~ %x <=> (c) %v ~ %x (%x...)", i+1, original.CumulativeGasUsed, original.PostState[0:4], receipt.CumulativeGasUsed, receipt.PostState[0:4], tx.Hash()[0:4])
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2014-09-28 05:52:58 -07:00
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2014-10-27 08:52:58 -07:00
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return nil, nil, nil, nil, err
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2014-07-18 04:21:40 -07:00
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}
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2014-07-14 13:52:30 -07:00
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}
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2014-09-28 05:52:58 -07:00
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// Notify all subscribers
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2014-10-31 02:50:16 -07:00
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go self.eth.EventMux().Post(TxPostEvent{tx})
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2014-09-28 05:52:58 -07:00
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2014-05-22 08:35:26 -07:00
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receipts = append(receipts, receipt)
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2014-06-13 03:45:11 -07:00
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handled = append(handled, tx)
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2014-07-11 07:04:09 -07:00
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2014-07-13 15:37:18 -07:00
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if ethutil.Config.Diff && ethutil.Config.DiffType == "all" {
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2014-07-11 07:04:09 -07:00
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state.CreateOutputForDiff()
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}
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2014-05-20 15:17:50 -07:00
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}
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2014-05-22 08:35:26 -07:00
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2014-06-13 03:45:11 -07:00
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parent.GasUsed = totalUsedGas
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2014-06-11 02:40:40 -07:00
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2014-10-27 08:52:58 -07:00
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return receipts, handled, unhandled, erroneous, err
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2014-05-20 15:17:50 -07:00
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}
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2014-11-04 01:57:02 -08:00
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func (sm *BlockManager) Process(block *Block) (err error) {
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2014-02-14 14:56:09 -08:00
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// Processing a blocks may never happen simultaneously
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2014-03-05 01:57:32 -08:00
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sm.mutex.Lock()
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defer sm.mutex.Unlock()
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2014-02-14 14:56:09 -08:00
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2014-06-23 02:23:18 -07:00
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if sm.bc.HasBlock(block.Hash()) {
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2014-02-14 14:56:09 -08:00
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return nil
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}
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2014-06-23 02:23:18 -07:00
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if !sm.bc.HasBlock(block.PrevHash) {
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return ParentError(block.PrevHash)
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}
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2014-07-10 06:05:06 -07:00
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sm.lastAttemptedBlock = block
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2014-06-23 02:23:18 -07:00
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var (
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parent = sm.bc.GetBlock(block.PrevHash)
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state = parent.State()
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)
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2014-04-29 03:36:27 -07:00
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// Defer the Undo on the Trie. If the block processing happened
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// we don't want to undo but since undo only happens on dirty
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// nodes this won't happen because Commit would have been called
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// before that.
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2014-05-17 05:07:52 -07:00
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defer state.Reset()
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2014-04-29 03:36:27 -07:00
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2014-07-13 15:37:18 -07:00
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if ethutil.Config.Diff && ethutil.Config.DiffType == "all" {
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fmt.Printf("## %x %x ##\n", block.Hash(), block.Number)
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2014-07-11 07:04:09 -07:00
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}
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2014-10-29 02:34:40 -07:00
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txSha := DeriveSha(block.transactions)
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if bytes.Compare(txSha, block.TxSha) != 0 {
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2014-10-30 05:32:50 -07:00
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return fmt.Errorf("Error validating transaction sha. Received %x, got %x", block.TxSha, txSha)
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2014-10-29 02:34:40 -07:00
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}
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2014-07-21 03:21:34 -07:00
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receipts, err := sm.ApplyDiff(state, parent, block)
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2014-06-23 02:23:18 -07:00
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if err != nil {
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return err
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}
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2014-10-29 02:34:40 -07:00
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receiptSha := DeriveSha(receipts)
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if bytes.Compare(receiptSha, block.ReceiptSha) != 0 {
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return fmt.Errorf("Error validating receipt sha. Received %x, got %x", block.ReceiptSha, receiptSha)
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2014-07-21 03:21:34 -07:00
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}
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2014-02-14 14:56:09 -08:00
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// Block validation
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2014-06-19 04:42:14 -07:00
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if err = sm.ValidateBlock(block); err != nil {
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2014-06-23 04:54:10 -07:00
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statelogger.Errorln("Error validating block:", err)
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2014-02-14 14:56:09 -08:00
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return err
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}
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2014-09-14 16:11:01 -07:00
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if err = sm.AccumelateRewards(state, block, parent); err != nil {
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2014-06-23 04:54:10 -07:00
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statelogger.Errorln("Error accumulating reward", err)
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2014-02-14 14:56:09 -08:00
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return err
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}
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2014-11-04 02:04:02 -08:00
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if bytes.Compare(CreateBloom(block), block.LogsBloom) != 0 {
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return errors.New("Unable to replicate block's bloom")
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|
|
|
}
|
|
|
|
|
2014-09-15 06:42:12 -07:00
|
|
|
state.Update()
|
|
|
|
|
2014-05-17 05:07:52 -07:00
|
|
|
if !block.State().Cmp(state) {
|
2014-07-24 03:04:15 -07:00
|
|
|
err = fmt.Errorf("Invalid merkle root.\nrec: %x\nis: %x", block.State().Trie.Root, state.Trie.Root)
|
2014-06-19 04:42:14 -07:00
|
|
|
return
|
2014-02-14 14:56:09 -08:00
|
|
|
}
|
|
|
|
|
|
|
|
// Calculate the new total difficulty and sync back to the db
|
2014-03-05 01:57:32 -08:00
|
|
|
if sm.CalculateTD(block) {
|
2014-02-17 16:33:26 -08:00
|
|
|
// Sync the current block's state to the database and cancelling out the deferred Undo
|
2014-05-17 05:07:52 -07:00
|
|
|
state.Sync()
|
2014-02-14 14:56:09 -08:00
|
|
|
|
2014-02-24 04:50:52 -08:00
|
|
|
// Add the block to the chain
|
2014-03-05 01:57:32 -08:00
|
|
|
sm.bc.Add(block)
|
2014-08-11 07:23:38 -07:00
|
|
|
|
2014-10-29 02:34:40 -07:00
|
|
|
// TODO at this point we should also insert LOGS in to a database
|
|
|
|
|
2014-09-07 15:48:39 -07:00
|
|
|
sm.transState = state.Copy()
|
|
|
|
|
2014-09-26 11:19:11 -07:00
|
|
|
statelogger.Infof("Imported block #%d (%x...)\n", block.Number, block.Hash()[0:4])
|
2014-04-30 05:43:32 -07:00
|
|
|
|
2014-10-29 06:20:42 -07:00
|
|
|
state.Manifest().Reset()
|
2014-05-13 08:51:33 -07:00
|
|
|
|
2014-10-27 08:52:58 -07:00
|
|
|
sm.eth.TxPool().RemoveSet(block.Transactions())
|
2014-02-14 14:56:09 -08:00
|
|
|
} else {
|
2014-06-23 04:54:10 -07:00
|
|
|
statelogger.Errorln("total diff failed")
|
2014-02-14 14:56:09 -08:00
|
|
|
}
|
|
|
|
|
|
|
|
return nil
|
|
|
|
}
|
2014-06-23 02:23:18 -07:00
|
|
|
|
2014-11-04 01:57:02 -08:00
|
|
|
func (sm *BlockManager) ApplyDiff(state *state.State, parent, block *Block) (receipts Receipts, err error) {
|
2014-06-23 02:23:18 -07:00
|
|
|
coinbase := state.GetOrNewStateObject(block.Coinbase)
|
|
|
|
coinbase.SetGasPool(block.CalcGasLimit(parent))
|
|
|
|
|
|
|
|
// Process the transactions on to current block
|
2014-10-27 08:52:58 -07:00
|
|
|
receipts, _, _, _, err = sm.ProcessTransactions(coinbase, state, block, parent, block.Transactions())
|
2014-06-30 11:03:31 -07:00
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
2014-06-23 02:23:18 -07:00
|
|
|
|
|
|
|
return receipts, nil
|
|
|
|
}
|
|
|
|
|
2014-11-04 01:57:02 -08:00
|
|
|
func (sm *BlockManager) CalculateTD(block *Block) bool {
|
2014-02-14 14:56:09 -08:00
|
|
|
uncleDiff := new(big.Int)
|
|
|
|
for _, uncle := range block.Uncles {
|
|
|
|
uncleDiff = uncleDiff.Add(uncleDiff, uncle.Difficulty)
|
|
|
|
}
|
|
|
|
|
|
|
|
// TD(genesis_block) = 0 and TD(B) = TD(B.parent) + sum(u.difficulty for u in B.uncles) + B.difficulty
|
|
|
|
td := new(big.Int)
|
2014-03-05 01:57:32 -08:00
|
|
|
td = td.Add(sm.bc.TD, uncleDiff)
|
2014-02-14 14:56:09 -08:00
|
|
|
td = td.Add(td, block.Difficulty)
|
|
|
|
|
|
|
|
// The new TD will only be accepted if the new difficulty is
|
|
|
|
// is greater than the previous.
|
2014-03-05 01:57:32 -08:00
|
|
|
if td.Cmp(sm.bc.TD) > 0 {
|
2014-02-14 14:56:09 -08:00
|
|
|
// Set the new total difficulty back to the block chain
|
2014-03-05 01:57:32 -08:00
|
|
|
sm.bc.SetTotalDifficulty(td)
|
2014-02-14 14:56:09 -08:00
|
|
|
|
|
|
|
return true
|
|
|
|
}
|
|
|
|
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
|
|
|
|
// Validates the current block. Returns an error if the block was invalid,
|
|
|
|
// an uncle or anything that isn't on the current block chain.
|
|
|
|
// Validation validates easy over difficult (dagger takes longer time = difficult)
|
2014-11-04 01:57:02 -08:00
|
|
|
func (sm *BlockManager) ValidateBlock(block *Block) error {
|
2014-02-14 14:56:09 -08:00
|
|
|
// Check each uncle's previous hash. In order for it to be valid
|
|
|
|
// is if it has the same block hash as the current
|
2014-09-15 13:11:05 -07:00
|
|
|
parent := sm.bc.GetBlock(block.PrevHash)
|
|
|
|
/*
|
|
|
|
for _, uncle := range block.Uncles {
|
|
|
|
if bytes.Compare(uncle.PrevHash,parent.PrevHash) != 0 {
|
|
|
|
return ValidationError("Mismatch uncle's previous hash. Expected %x, got %x",parent.PrevHash, uncle.PrevHash)
|
|
|
|
}
|
2014-02-14 14:56:09 -08:00
|
|
|
}
|
2014-09-15 13:11:05 -07:00
|
|
|
*/
|
2014-02-14 14:56:09 -08:00
|
|
|
|
2014-10-10 08:00:06 -07:00
|
|
|
expd := CalcDifficulty(block, parent)
|
|
|
|
if expd.Cmp(block.Difficulty) < 0 {
|
|
|
|
return fmt.Errorf("Difficulty check failed for block %v, %v", block.Difficulty, expd)
|
|
|
|
}
|
|
|
|
|
2014-09-15 13:11:05 -07:00
|
|
|
diff := block.Time - parent.Time
|
2014-02-14 14:56:09 -08:00
|
|
|
if diff < 0 {
|
2014-07-18 07:13:21 -07:00
|
|
|
return ValidationError("Block timestamp less then prev block %v (%v - %v)", diff, block.Time, sm.bc.CurrentBlock.Time)
|
2014-02-14 14:56:09 -08:00
|
|
|
}
|
|
|
|
|
2014-06-19 15:42:26 -07:00
|
|
|
/* XXX
|
2014-02-14 14:56:09 -08:00
|
|
|
// New blocks must be within the 15 minute range of the last block.
|
|
|
|
if diff > int64(15*time.Minute) {
|
|
|
|
return ValidationError("Block is too far in the future of last block (> 15 minutes)")
|
|
|
|
}
|
2014-06-19 15:42:26 -07:00
|
|
|
*/
|
2014-02-14 14:56:09 -08:00
|
|
|
|
|
|
|
// Verify the nonce of the block. Return an error if it's not valid
|
2014-03-05 01:57:32 -08:00
|
|
|
if !sm.Pow.Verify(block.HashNoNonce(), block.Difficulty, block.Nonce) {
|
2014-06-29 10:30:05 -07:00
|
|
|
return ValidationError("Block's nonce is invalid (= %v)", ethutil.Bytes2Hex(block.Nonce))
|
2014-02-14 14:56:09 -08:00
|
|
|
}
|
|
|
|
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
2014-11-04 01:57:02 -08:00
|
|
|
func (sm *BlockManager) AccumelateRewards(state *state.State, block, parent *Block) error {
|
2014-09-15 06:42:12 -07:00
|
|
|
reward := new(big.Int).Set(BlockReward)
|
2014-05-22 08:35:26 -07:00
|
|
|
|
2014-09-14 16:11:01 -07:00
|
|
|
knownUncles := ethutil.Set(parent.Uncles)
|
|
|
|
nonces := ethutil.NewSet(block.Nonce)
|
|
|
|
for _, uncle := range block.Uncles {
|
|
|
|
if nonces.Include(uncle.Nonce) {
|
|
|
|
// Error not unique
|
|
|
|
return UncleError("Uncle not unique")
|
|
|
|
}
|
2014-02-17 16:33:26 -08:00
|
|
|
|
2014-09-14 16:11:01 -07:00
|
|
|
uncleParent := sm.bc.GetBlock(uncle.PrevHash)
|
|
|
|
if uncleParent == nil {
|
|
|
|
return UncleError("Uncle's parent unknown")
|
|
|
|
}
|
2014-02-17 16:33:26 -08:00
|
|
|
|
2014-09-14 16:11:01 -07:00
|
|
|
if uncleParent.Number.Cmp(new(big.Int).Sub(parent.Number, big.NewInt(6))) < 0 {
|
|
|
|
return UncleError("Uncle too old")
|
|
|
|
}
|
2014-02-14 14:56:09 -08:00
|
|
|
|
2014-09-14 16:11:01 -07:00
|
|
|
if knownUncles.Include(uncle.Hash()) {
|
|
|
|
return UncleError("Uncle in chain")
|
|
|
|
}
|
|
|
|
|
2014-09-15 06:42:12 -07:00
|
|
|
nonces.Insert(uncle.Nonce)
|
|
|
|
|
2014-09-14 16:11:01 -07:00
|
|
|
r := new(big.Int)
|
|
|
|
r.Mul(BlockReward, big.NewInt(15)).Div(r, big.NewInt(16))
|
2014-02-14 14:56:09 -08:00
|
|
|
|
2014-05-17 05:07:52 -07:00
|
|
|
uncleAccount := state.GetAccount(uncle.Coinbase)
|
2014-09-14 16:11:01 -07:00
|
|
|
uncleAccount.AddAmount(r)
|
2014-02-17 16:33:26 -08:00
|
|
|
|
2014-09-14 16:11:01 -07:00
|
|
|
reward.Add(reward, new(big.Int).Div(BlockReward, big.NewInt(32)))
|
2014-02-17 16:33:26 -08:00
|
|
|
}
|
2014-02-14 14:56:09 -08:00
|
|
|
|
2014-09-14 16:11:01 -07:00
|
|
|
// Get the account associated with the coinbase
|
|
|
|
account := state.GetAccount(block.Coinbase)
|
|
|
|
// Reward amount of ether to the coinbase address
|
|
|
|
account.AddAmount(reward)
|
|
|
|
|
2014-02-14 14:56:09 -08:00
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
2014-11-04 01:57:02 -08:00
|
|
|
func (sm *BlockManager) GetMessages(block *Block) (messages []*state.Message, err error) {
|
2014-08-11 07:23:38 -07:00
|
|
|
if !sm.bc.HasBlock(block.PrevHash) {
|
|
|
|
return nil, ParentError(block.PrevHash)
|
|
|
|
}
|
|
|
|
|
|
|
|
sm.lastAttemptedBlock = block
|
|
|
|
|
|
|
|
var (
|
|
|
|
parent = sm.bc.GetBlock(block.PrevHash)
|
|
|
|
state = parent.State().Copy()
|
|
|
|
)
|
|
|
|
|
|
|
|
defer state.Reset()
|
|
|
|
|
2014-08-14 08:02:21 -07:00
|
|
|
sm.ApplyDiff(state, parent, block)
|
2014-08-11 07:23:38 -07:00
|
|
|
|
2014-09-14 16:11:01 -07:00
|
|
|
sm.AccumelateRewards(state, block, parent)
|
2014-08-11 07:23:38 -07:00
|
|
|
|
|
|
|
return state.Manifest().Messages, nil
|
2014-04-30 05:43:32 -07:00
|
|
|
}
|