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core, miner: move Backend to miner

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This ensures that package core doesn't depend on package accounts and
resolves an age-old TODO.
This commit is contained in:
Felix Lange 2016-08-15 20:14:05 +02:00
parent 1a9e66915b
commit 3c09c5f12d
3 changed files with 24 additions and 22 deletions
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15
core/types.go
View File

@ -19,12 +19,9 @@ package core
import (
"math/big"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
)
// Validator is an interface which defines the standard for block validation.
@ -63,15 +60,3 @@ type HeaderValidator interface {
type Processor interface {
Process(block *types.Block, statedb *state.StateDB, cfg vm.Config) (types.Receipts, vm.Logs, *big.Int, error)
}
// Backend is an interface defining the basic functionality for an operable node
// with all the functionality to be a functional, valid Ethereum operator.
//
// TODO Remove this
type Backend interface {
AccountManager() *accounts.Manager
BlockChain() *BlockChain
TxPool() *TxPool
ChainDb() ethdb.Database
EventMux() *event.TypeMux
}

23
miner/miner.go
View File

@ -22,11 +22,13 @@ import (
"math/big"
"sync/atomic"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/eth/downloader"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
@ -34,6 +36,15 @@ import (
"github.com/ethereum/go-ethereum/pow"
)
// Backend wraps all methods required for mining.
type Backend interface {
AccountManager() *accounts.Manager
BlockChain() *core.BlockChain
TxPool() *core.TxPool
ChainDb() ethdb.Database
}
// Miner creates blocks and searches for proof-of-work values.
type Miner struct {
mux *event.TypeMux
@ -44,15 +55,21 @@ type Miner struct {
threads int
coinbase common.Address
mining int32
eth core.Backend
eth Backend
pow pow.PoW
canStart int32 // can start indicates whether we can start the mining operation
shouldStart int32 // should start indicates whether we should start after sync
}
func New(eth core.Backend, config *core.ChainConfig, mux *event.TypeMux, pow pow.PoW) *Miner {
miner := &Miner{eth: eth, mux: mux, pow: pow, worker: newWorker(config, common.Address{}, eth), canStart: 1}
func New(eth Backend, config *core.ChainConfig, mux *event.TypeMux, pow pow.PoW) *Miner {
miner := &Miner{
eth: eth,
mux: mux,
pow: pow,
worker: newWorker(config, common.Address{}, eth, mux),
canStart: 1,
}
go miner.update()
return miner

8
miner/worker.go
View File

@ -60,7 +60,7 @@ type uint64RingBuffer struct {
next int //where is the next insertion? assert 0 <= next < len(ints)
}
// environment is the workers current environment and holds
// Work is the workers current environment and holds
// all of the current state information
type Work struct {
config *core.ChainConfig
@ -105,7 +105,7 @@ type worker struct {
recv chan *Result
pow pow.PoW
eth core.Backend
eth Backend
chain *core.BlockChain
proc core.Validator
chainDb ethdb.Database
@ -130,11 +130,11 @@ type worker struct {
fullValidation bool
}
func newWorker(config *core.ChainConfig, coinbase common.Address, eth core.Backend) *worker {
func newWorker(config *core.ChainConfig, coinbase common.Address, eth Backend, mux *event.TypeMux) *worker {
worker := &worker{
config: config,
eth: eth,
mux: eth.EventMux(),
mux: mux,
chainDb: eth.ChainDb(),
recv: make(chan *Result, resultQueueSize),
gasPrice: new(big.Int),