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core, consensus: pluggable consensus engines (#3817)

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This commit adds pluggable consensus engines to go-ethereum. In short, it
introduces a generic consensus interface, and refactors the entire codebase to
use this interface.
This commit is contained in:
Péter Szilágyi
2017-04-05 01:16:29 +03:00
committed by Felix Lange
parent e50a5b7771
commit 09777952ee
61 changed files with 1681 additions and 1426 deletions
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10
cmd/utils/flags.go
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@ -32,6 +32,7 @@ import (
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/accounts/keystore"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/consensus/ethash"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/vm"
@ -49,7 +50,6 @@ import (
"github.com/ethereum/go-ethereum/p2p/nat"
"github.com/ethereum/go-ethereum/p2p/netutil"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/pow"
"github.com/ethereum/go-ethereum/rpc"
whisper "github.com/ethereum/go-ethereum/whisper/whisperv2"
"gopkg.in/urfave/cli.v1"
@ -149,7 +149,7 @@ var (
}
TestNetFlag = cli.BoolFlag{
Name: "testnet",
Usage: "Ropsten network: pre-configured test network",
Usage: "Ropsten network: pre-configured proof-of-work test network",
}
DevModeFlag = cli.BoolFlag{
Name: "dev",
@ -921,16 +921,16 @@ func MakeChain(ctx *cli.Context, stack *node.Node) (chain *core.BlockChain, chai
var err error
chainDb = MakeChainDatabase(ctx, stack)
seal := pow.PoW(pow.FakePow{})
engine := ethash.NewFaker()
if !ctx.GlobalBool(FakePoWFlag.Name) {
seal = pow.NewFullEthash("", 1, 0, "", 1, 0)
engine = ethash.New("", 1, 0, "", 1, 0)
}
config, _, err := core.SetupGenesisBlock(chainDb, MakeGenesis(ctx))
if err != nil {
Fatalf("%v", err)
}
vmcfg := vm.Config{EnablePreimageRecording: ctx.GlobalBool(VMEnableDebugFlag.Name)}
chain, err = core.NewBlockChain(chainDb, config, seal, new(event.TypeMux), vmcfg)
chain, err = core.NewBlockChain(chainDb, config, engine, new(event.TypeMux), vmcfg)
if err != nil {
Fatalf("Can't create BlockChain: %v", err)
}