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op-geth
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release, all: integrate the release service into geth

This commit is contained in:
Péter Szilágyi 2016-04-28 12:00:11 +03:00
parent d46da273c6
commit 586eddfd09
14 changed files with 822 additions and 583 deletions
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5
accounts/abi/bind/backend.go
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@ -47,7 +47,8 @@ type ContractCaller interface {
// used when the user does not provide some needed values, but rather leaves it up
// to the transactor to decide.
type ContractTransactor interface {
// Nonce retrieves the current pending nonce associated with an account.
// PendingAccountNonce retrieves the current pending nonce associated with an
// account.
PendingAccountNonce(account common.Address) (uint64, error)
// SuggestGasPrice retrieves the currently suggested gas price to allow a timely
@ -62,7 +63,7 @@ type ContractTransactor interface {
EstimateGasLimit(sender common.Address, contract *common.Address, value *big.Int, data []byte) (*big.Int, error)
// SendTransaction injects the transaction into the pending pool for execution.
SendTransaction(*types.Transaction) error
SendTransaction(tx *types.Transaction) error
}
// ContractBackend defines the methods needed to allow operating with contract

57
cmd/geth/main.go
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@ -18,6 +18,7 @@
package main
import (
"encoding/hex"
"fmt"
"io/ioutil"
"os"
@ -41,31 +42,48 @@ import (
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/release"
"github.com/ethereum/go-ethereum/rlp"
)
const (
ClientIdentifier = "Geth"
Version = "1.5.0-unstable"
VersionMajor = 1
VersionMinor = 5
VersionPatch = 0
clientIdentifier = "Geth" // Client identifier to advertise over the network
versionMajor = 1 // Major version component of the current release
versionMinor = 5 // Minor version component of the current release
versionPatch = 0 // Patch version component of the current release
versionMeta = "unstable" // Version metadata to append to the version string
versionOracle = "0x48a117313039b73ab02fb9f73e04a66defe123ec" // Ethereum address of the Geth release oracle
)
var (
gitCommit string // set via linker flagg
nodeNameVersion string
gitCommit string // Git SHA1 commit hash of the release (set via linker flags)
verString string // Combined textual representation of all the version components
relConfig release.Config // Structured version information and release oracle config
app *cli.App
)
func init() {
if gitCommit == "" {
nodeNameVersion = Version
} else {
nodeNameVersion = Version + "-" + gitCommit[:8]
// Construct the textual version string from the individual components
verString = fmt.Sprintf("%d.%d.%d", versionMajor, versionMinor, versionPatch)
if versionMeta != "" {
verString += "-" + versionMeta
}
if gitCommit != "" {
verString += "-" + gitCommit[:8]
}
// Construct the version release oracle configuration
relConfig.Oracle = common.HexToAddress(versionOracle)
app = utils.NewApp(Version, "the go-ethereum command line interface")
relConfig.Major = uint32(versionMajor)
relConfig.Minor = uint32(versionMinor)
relConfig.Patch = uint32(versionPatch)
commit, _ := hex.DecodeString(gitCommit)
copy(relConfig.Commit[:], commit)
// Initialize the CLI app and start Geth
app = utils.NewApp(verString, "the go-ethereum command line interface")
app.Action = geth
app.HideVersion = true // we have a command to print the version
app.Commands = []cli.Command{
@ -257,7 +275,7 @@ func makeDefaultExtra() []byte {
Name string
GoVersion string
Os string
}{uint(VersionMajor<<16 | VersionMinor<<8 | VersionPatch), ClientIdentifier, runtime.Version(), runtime.GOOS}
}{uint(versionMajor<<16 | versionMinor<<8 | versionPatch), clientIdentifier, runtime.Version(), runtime.GOOS}
extra, err := rlp.EncodeToBytes(clientInfo)
if err != nil {
glog.V(logger.Warn).Infoln("error setting canonical miner information:", err)
@ -275,7 +293,7 @@ func makeDefaultExtra() []byte {
// It creates a default node based on the command line arguments and runs it in
// blocking mode, waiting for it to be shut down.
func geth(ctx *cli.Context) {
node := utils.MakeSystemNode(ClientIdentifier, nodeNameVersion, makeDefaultExtra(), ctx)
node := utils.MakeSystemNode(clientIdentifier, verString, relConfig, makeDefaultExtra(), ctx)
startNode(ctx, node)
node.Wait()
}
@ -339,7 +357,7 @@ func initGenesis(ctx *cli.Context) {
// same time.
func console(ctx *cli.Context) {
// Create and start the node based on the CLI flags
node := utils.MakeSystemNode(ClientIdentifier, nodeNameVersion, makeDefaultExtra(), ctx)
node := utils.MakeSystemNode(clientIdentifier, verString, relConfig, makeDefaultExtra(), ctx)
startNode(ctx, node)
// Attach to the newly started node, and either execute script or become interactive
@ -372,7 +390,7 @@ func console(ctx *cli.Context) {
// of the JavaScript files specified as command arguments.
func execScripts(ctx *cli.Context) {
// Create and start the node based on the CLI flags
node := utils.MakeSystemNode(ClientIdentifier, nodeNameVersion, makeDefaultExtra(), ctx)
node := utils.MakeSystemNode(clientIdentifier, verString, relConfig, makeDefaultExtra(), ctx)
startNode(ctx, node)
defer node.Stop()
@ -488,11 +506,8 @@ func gpubench(ctx *cli.Context) {
}
func version(c *cli.Context) {
fmt.Println(ClientIdentifier)
fmt.Println("Version:", Version)
if gitCommit != "" {
fmt.Println("Git Commit:", gitCommit)
}
fmt.Println(clientIdentifier)
fmt.Println("Version:", version)
fmt.Println("Protocol Versions:", eth.ProtocolVersions)
fmt.Println("Network Id:", c.GlobalInt(utils.NetworkIdFlag.Name))
fmt.Println("Go Version:", runtime.Version())

14
cmd/utils/flags.go
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@ -34,7 +34,6 @@ import (
"github.com/ethereum/ethash"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/versions"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/crypto"
@ -49,6 +48,7 @@ import (
"github.com/ethereum/go-ethereum/p2p/nat"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/pow"
"github.com/ethereum/go-ethereum/release"
"github.com/ethereum/go-ethereum/rpc"
"github.com/ethereum/go-ethereum/whisper"
)
@ -642,7 +642,7 @@ func MakePasswordList(ctx *cli.Context) []string {
// MakeSystemNode sets up a local node, configures the services to launch and
// assembles the P2P protocol stack.
func MakeSystemNode(name, version string, extra []byte, ctx *cli.Context) *node.Node {
func MakeSystemNode(name, version string, relconf release.Config, extra []byte, ctx *cli.Context) *node.Node {
// Avoid conflicting network flags
networks, netFlags := 0, []cli.BoolFlag{DevModeFlag, TestNetFlag, OlympicFlag}
for _, flag := range netFlags {
@ -773,12 +773,10 @@ func MakeSystemNode(name, version string, extra []byte, ctx *cli.Context) *node.
Fatalf("Failed to register the Whisper service: %v", err)
}
}
err = stack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
return versions.NewVersionCheck(ctx)
})
if err != nil {
Fatalf("Failed to register the Version Check service: %v", err)
if err := stack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
return release.NewReleaseService(ctx, relconf)
}); err != nil {
Fatalf("Failed to register the Geth release oracle service: %v", err)
}
return stack
}

474
contracts/release/contract.go
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File diff suppressed because one or more lines are too long

30
eth/api.go
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@ -52,14 +52,14 @@ import (
"golang.org/x/net/context"
)
// ErrNoCode is returned by call and transact operations for which the requested
// errNoCode is returned by call and transact operations for which the requested
// recipient contract to operate on does not exist in the state db or does not
// have any code associated with it (i.e. suicided).
//
// Please note, this error string is part of the RPC API and is expected by the
// native contract bindings to signal this particular error. Do not change this
// as it will break all dependent code!
var ErrNoCode = errors.New("no contract code at given address")
var errNoCode = errors.New("no contract code at given address")
const defaultGas = uint64(90000)
@ -107,8 +107,11 @@ type PublicEthereumAPI struct {
}
// NewPublicEthereumAPI creates a new Ethereum protocol API.
func NewPublicEthereumAPI(e *Ethereum, gpo *GasPriceOracle) *PublicEthereumAPI {
return &PublicEthereumAPI{e, gpo}
func NewPublicEthereumAPI(e *Ethereum) *PublicEthereumAPI {
return &PublicEthereumAPI{
e: e,
gpo: e.gpo,
}
}
// GasPrice returns a suggestion for a gas price.
@ -717,7 +720,7 @@ func (s *PublicBlockChainAPI) doCall(args CallArgs, blockNr rpc.BlockNumber) (st
// If there's no code to interact with, respond with an appropriate error
if args.To != nil {
if code := stateDb.GetCode(*args.To); len(code) == 0 {
return "0x", nil, ErrNoCode
return "0x", nil, errNoCode
}
}
// Retrieve the account state object to interact with
@ -914,18 +917,17 @@ type PublicTransactionPoolAPI struct {
}
// NewPublicTransactionPoolAPI creates a new RPC service with methods specific for the transaction pool.
func NewPublicTransactionPoolAPI(e *Ethereum, gpo *GasPriceOracle) *PublicTransactionPoolAPI {
func NewPublicTransactionPoolAPI(e *Ethereum) *PublicTransactionPoolAPI {
api := &PublicTransactionPoolAPI{
eventMux: e.EventMux(),
gpo: gpo,
chainDb: e.ChainDb(),
bc: e.BlockChain(),
am: e.AccountManager(),
txPool: e.TxPool(),
miner: e.Miner(),
eventMux: e.eventMux,
gpo: e.gpo,
chainDb: e.chainDb,
bc: e.blockchain,
am: e.accountManager,
txPool: e.txPool,
miner: e.miner,
pendingTxSubs: make(map[string]rpc.Subscription),
}
go api.subscriptionLoop()
return api

22
eth/backend.go
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@ -119,6 +119,7 @@ type Ethereum struct {
protocolManager *ProtocolManager
SolcPath string
solc *compiler.Solidity
gpo *GasPriceOracle
GpoMinGasPrice *big.Int
GpoMaxGasPrice *big.Int
@ -260,6 +261,8 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
}
return nil, err
}
eth.gpo = NewGasPriceOracle(eth)
newPool := core.NewTxPool(eth.chainConfig, eth.EventMux(), eth.blockchain.State, eth.blockchain.GasLimit)
eth.txPool = newPool
@ -276,34 +279,31 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
// APIs returns the collection of RPC services the ethereum package offers.
// NOTE, some of these services probably need to be moved to somewhere else.
func (s *Ethereum) APIs() []rpc.API {
// share gas price oracle in API's
gpo := NewGasPriceOracle(s)
return []rpc.API{
{
Namespace: "eth",
Version: "1.0",
Service: NewPublicEthereumAPI(s, gpo),
Service: NewPublicEthereumAPI(s),
Public: true,
}, {
Namespace: "eth",
Version: "1.0",
Service: NewPublicAccountAPI(s.AccountManager()),
Service: NewPublicAccountAPI(s.accountManager),
Public: true,
}, {
Namespace: "personal",
Version: "1.0",
Service: NewPrivateAccountAPI(s.AccountManager()),
Service: NewPrivateAccountAPI(s.accountManager),
Public: false,
}, {
Namespace: "eth",
Version: "1.0",
Service: NewPublicBlockChainAPI(s.chainConfig, s.BlockChain(), s.Miner(), s.ChainDb(), gpo, s.EventMux(), s.AccountManager()),
Service: NewPublicBlockChainAPI(s.chainConfig, s.blockchain, s.miner, s.chainDb, s.gpo, s.eventMux, s.accountManager),
Public: true,
}, {
Namespace: "eth",
Version: "1.0",
Service: NewPublicTransactionPoolAPI(s, gpo),
Service: NewPublicTransactionPoolAPI(s),
Public: true,
}, {
Namespace: "eth",
@ -313,7 +313,7 @@ func (s *Ethereum) APIs() []rpc.API {
}, {
Namespace: "eth",
Version: "1.0",
Service: downloader.NewPublicDownloaderAPI(s.Downloader(), s.EventMux()),
Service: downloader.NewPublicDownloaderAPI(s.protocolManager.downloader, s.eventMux),
Public: true,
}, {
Namespace: "miner",
@ -328,7 +328,7 @@ func (s *Ethereum) APIs() []rpc.API {
}, {
Namespace: "eth",
Version: "1.0",
Service: filters.NewPublicFilterAPI(s.ChainDb(), s.EventMux()),
Service: filters.NewPublicFilterAPI(s.chainDb, s.eventMux),
Public: true,
}, {
Namespace: "admin",
@ -351,7 +351,7 @@ func (s *Ethereum) APIs() []rpc.API {
}, {
Namespace: "admin",
Version: "1.0",
Service: ethreg.NewPrivateRegistarAPI(s.chainConfig, s.BlockChain(), s.ChainDb(), s.TxPool(), s.AccountManager()),
Service: ethreg.NewPrivateRegistarAPI(s.chainConfig, s.blockchain, s.chainDb, s.txPool, s.accountManager),
},
}
}

110
eth/bind.go Normal file
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@ -0,0 +1,110 @@
// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package eth
import (
"math/big"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/rpc"
)
// ContractBackend implements bind.ContractBackend with direct calls to Ethereum
// internals to support operating on contracts within subprotocols like eth and
// swarm.
//
// Internally this backend uses the already exposed API endpoints of the Ethereum
// object. These should be rewritten to internal Go method calls when the Go API
// is refactored to support a clean library use.
type ContractBackend struct {
eapi *PublicEthereumAPI // Wrapper around the Ethereum object to access metadata
bcapi *PublicBlockChainAPI // Wrapper around the blockchain to access chain data
txapi *PublicTransactionPoolAPI // Wrapper around the transaction pool to access transaction data
}
// NewContractBackend creates a new native contract backend using an existing
// Etheruem object.
func NewContractBackend(eth *Ethereum) *ContractBackend {
return &ContractBackend{
eapi: NewPublicEthereumAPI(eth),
bcapi: NewPublicBlockChainAPI(eth.chainConfig, eth.blockchain, eth.miner, eth.chainDb, eth.gpo, eth.eventMux, eth.accountManager),
txapi: NewPublicTransactionPoolAPI(eth),
}
}
// ContractCall implements bind.ContractCaller executing an Ethereum contract
// call with the specified data as the input. The pending flag requests execution
// against the pending block, not the stable head of the chain.
func (b *ContractBackend) ContractCall(contract common.Address, data []byte, pending bool) ([]byte, error) {
// Convert the input args to the API spec
args := CallArgs{
To: &contract,
Data: common.ToHex(data),
}
block := rpc.LatestBlockNumber
if pending {
block = rpc.PendingBlockNumber
}
// Execute the call and convert the output back to Go types
out, err := b.bcapi.Call(args, block)
if err == errNoCode {
err = bind.ErrNoCode
}
return common.FromHex(out), err
}
// PendingAccountNonce implements bind.ContractTransactor retrieving the current
// pending nonce associated with an account.
func (b *ContractBackend) PendingAccountNonce(account common.Address) (uint64, error) {
out, err := b.txapi.GetTransactionCount(account, rpc.PendingBlockNumber)
return out.Uint64(), err
}
// SuggestGasPrice implements bind.ContractTransactor retrieving the currently
// suggested gas price to allow a timely execution of a transaction.
func (b *ContractBackend) SuggestGasPrice() (*big.Int, error) {
return b.eapi.GasPrice(), nil
}
// EstimateGasLimit implements bind.ContractTransactor triing to estimate the gas
// needed to execute a specific transaction based on the current pending state of
// the backend blockchain. There is no guarantee that this is the true gas limit
// requirement as other transactions may be added or removed by miners, but it
// should provide a basis for setting a reasonable default.
func (b *ContractBackend) EstimateGasLimit(sender common.Address, contract *common.Address, value *big.Int, data []byte) (*big.Int, error) {
out, err := b.bcapi.EstimateGas(CallArgs{
From: sender,
To: contract,
Value: *rpc.NewHexNumber(value),
Data: common.ToHex(data),
})
if err == errNoCode {
err = bind.ErrNoCode
}
return out.BigInt(), err
}
// SendTransaction implements bind.ContractTransactor injects the transaction
// into the pending pool for execution.
func (b *ContractBackend) SendTransaction(tx *types.Transaction) error {
raw, _ := rlp.EncodeToBytes(tx)
_, err := b.txapi.SendRawTransaction(common.ToHex(raw))
return err
}

3
node/node.go
View File

@ -311,7 +311,7 @@ func (n *Node) startIPC(apis []rpc.API) error {
glog.V(logger.Error).Infof("IPC accept failed: %v", err)
continue
}
go handler.ServeCodec(rpc.NewJSONCodec(conn), rpc.OptionMethodInvocation | rpc.OptionSubscriptions)
go handler.ServeCodec(rpc.NewJSONCodec(conn), rpc.OptionMethodInvocation|rpc.OptionSubscriptions)
}
}()
// All listeners booted successfully
@ -530,7 +530,6 @@ func (n *Node) Server() *p2p.Server {
}
// Service retrieves a currently running service registered of a specific type.
// NOTE: must be called with double pointer to service
func (n *Node) Service(service interface{}) error {
n.lock.RLock()
defer n.lock.RUnlock()

2
node/service.go
View File

@ -68,7 +68,7 @@ type ServiceConstructor func(ctx *ServiceContext) (Service, error)
// - Restart logic is not required as the node will create a fresh instance
// every time a service is started.
type Service interface {
// Protocol retrieves the P2P protocols the service wishes to start.
// Protocols retrieves the P2P protocols the service wishes to start.
Protocols() []p2p.Protocol
// APIs retrieves the list of RPC descriptors the service provides

432
release/contract.go Normal file
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File diff suppressed because one or more lines are too long

95
contracts/release/contract.sol → release/contract.sol
View File

@ -19,7 +19,7 @@
// check for new releases automatically without the need to consult a central
// repository.
//
// The contract takes a vote based approach on both assigning authorized signers
// The contract takes a vote based approach on both assigning authorised signers
// as well as signing off on new Geth releases.
//
// Note, when a signer is demoted, the currently pending release is auto-nuked.
@ -45,8 +45,8 @@ contract ReleaseOracle {
}
// Oracle authorization details
mapping(address => bool) authorized; // Set of accounts allowed to vote on updating the contract
address[] signers; // List of addresses currently accepted as signers
mapping(address => bool) authorised; // Set of accounts allowed to vote on updating the contract
address[] voters; // List of addresses currently accepted as signers
// Various proposals being voted on
mapping(address => Votes) authProps; // Currently running user authorization proposals
@ -57,38 +57,47 @@ contract ReleaseOracle {
// isSigner is a modifier to authorize contract transactions.
modifier isSigner() {
if (authorized[msg.sender]) {
if (authorised[msg.sender]) {
_
}
}
// Constructor to assign the creator as the sole valid signer.
function ReleaseOracle() {
authorized[msg.sender] = true;
signers.push(msg.sender);
// Constructor to assign the initial set of signers.
function ReleaseOracle(address[] signers) {
// If no signers were specified, assign the creator as the sole signer
if (signers.length == 0) {
authorised[msg.sender] = true;
voters.push(msg.sender);
return;
}
// Otherwise assign the individual signers one by one
for (uint i = 0; i < signers.length; i++) {
authorised[signers[i]] = true;
voters.push(signers[i]);
}
}
// Signers is an accessor method to retrieve all te signers (public accessor
// signers is an accessor method to retrieve all te signers (public accessor
// generates an indexed one, not a retreive-all version).
function Signers() constant returns(address[]) {
return signers;
function signers() constant returns(address[]) {
return voters;
}
// AuthProposals retrieves the list of addresses that authorization proposals
// authProposals retrieves the list of addresses that authorization proposals
// are currently being voted on.
function AuthProposals() constant returns(address[]) {
function authProposals() constant returns(address[]) {
return authPend;
}
// AuthVotes retrieves the current authorization votes for a particular user
// authVotes retrieves the current authorization votes for a particular user
// to promote him into the list of signers, or demote him from there.
function AuthVotes(address user) constant returns(address[] promote, address[] demote) {
function authVotes(address user) constant returns(address[] promote, address[] demote) {
return (authProps[user].pass, authProps[user].fail);
}
// CurrentVersion retrieves the semantic version, commit hash and release time
// currentVersion retrieves the semantic version, commit hash and release time
// of the currently votec active release.
function CurrentVersion() constant returns (uint32 major, uint32 minor, uint32 patch, bytes20 commit, uint time) {
function currentVersion() constant returns (uint32 major, uint32 minor, uint32 patch, bytes20 commit, uint time) {
if (releases.length == 0) {
return (0, 0, 0, 0, 0);
}
@ -97,38 +106,38 @@ contract ReleaseOracle {
return (release.major, release.minor, release.patch, release.commit, release.time);
}
// ProposedVersion retrieves the semantic version, commit hash and the current
// proposedVersion retrieves the semantic version, commit hash and the current
// votes for the next proposed release.
function ProposedVersion() constant returns (uint32 major, uint32 minor, uint32 patch, bytes20 commit, address[] pass, address[] fail) {
function proposedVersion() constant returns (uint32 major, uint32 minor, uint32 patch, bytes20 commit, address[] pass, address[] fail) {
return (verProp.major, verProp.minor, verProp.patch, verProp.commit, verProp.votes.pass, verProp.votes.fail);
}
// Promote pitches in on a voting campaign to promote a new user to a signer
// promote pitches in on a voting campaign to promote a new user to a signer
// position.
function Promote(address user) {
function promote(address user) {
updateSigner(user, true);
}
// Demote pitches in on a voting campaign to demote an authorized user from
// demote pitches in on a voting campaign to demote an authorised user from
// its signer position.
function Demote(address user) {
function demote(address user) {
updateSigner(user, false);
}
// Release votes for a particular version to be included as the next release.
function Release(uint32 major, uint32 minor, uint32 patch, bytes20 commit) {
// release votes for a particular version to be included as the next release.
function release(uint32 major, uint32 minor, uint32 patch, bytes20 commit) {
updateRelease(major, minor, patch, commit, true);
}
// Nuke votes for the currently proposed version to not be included as the next
// nuke votes for the currently proposed version to not be included as the next
// release. Nuking doesn't require a specific version number for simplicity.
function Nuke() {
function nuke() {
updateRelease(0, 0, 0, 0, false);
}
// updateSigner marks a vote for changing the status of an Ethereum user, either
// for or against the user being an authorized signer.
function updateSigner(address user, bool authorize) isSigner {
// for or against the user being an authorised signer.
function updateSigner(address user, bool authorize) internal isSigner {
// Gather the current votes and ensure we don't double vote
Votes votes = authProps[user];
for (uint i = 0; i < votes.pass.length; i++) {
@ -148,26 +157,26 @@ contract ReleaseOracle {
// Cast the vote and return if the proposal cannot be resolved yet
if (authorize) {
votes.pass.push(msg.sender);
if (votes.pass.length <= signers.length / 2) {
if (votes.pass.length <= voters.length / 2) {
return;
}
} else {
votes.fail.push(msg.sender);
if (votes.fail.length <= signers.length / 2) {
if (votes.fail.length <= voters.length / 2) {
return;
}
}
// Proposal resolved in our favor, execute whatever we voted on
if (authorize && !authorized[user]) {
authorized[user] = true;
signers.push(user);
} else if (!authorize && authorized[user]) {
authorized[user] = false;
if (authorize && !authorised[user]) {
authorised[user] = true;
voters.push(user);
} else if (!authorize && authorised[user]) {
authorised[user] = false;
for (i = 0; i < signers.length; i++) {
if (signers[i] == user) {
signers[i] = signers[signers.length - 1];
signers.length--;
for (i = 0; i < voters.length; i++) {
if (voters[i] == user) {
voters[i] = voters[voters.length - 1];
voters.length--;
delete verProp; // Nuke any version proposal (no suprise releases!)
break;
@ -188,7 +197,7 @@ contract ReleaseOracle {
// updateRelease votes for a particular version to be included as the next release,
// or for the currently proposed release to be nuked out.
function updateRelease(uint32 major, uint32 minor, uint32 patch, bytes20 commit, bool release) isSigner {
function updateRelease(uint32 major, uint32 minor, uint32 patch, bytes20 commit, bool release) internal isSigner {
// Skip nuke votes if no proposal is pending
if (!release && verProp.votes.pass.length == 0) {
return;
@ -219,12 +228,12 @@ contract ReleaseOracle {
// Cast the vote and return if the proposal cannot be resolved yet
if (release) {
votes.pass.push(msg.sender);
if (votes.pass.length <= signers.length / 2) {
if (votes.pass.length <= voters.length / 2) {
return;
}
} else {
votes.fail.push(msg.sender);
if (votes.fail.length <= signers.length / 2) {
if (votes.fail.length <= voters.length / 2) {
return;
}
}

12
contracts/release/contract_test.go → release/contract_test.go
View File

@ -42,7 +42,7 @@ func setupReleaseTest(t *testing.T, prefund ...*ecdsa.PrivateKey) (*ecdsa.Privat
sim := backends.NewSimulatedBackend(accounts...)
// Deploy a version oracle contract, commit and return
_, _, oracle, err := DeployReleaseOracle(auth, sim)
_, _, oracle, err := DeployReleaseOracle(auth, sim, []common.Address{auth.From})
if err != nil {
t.Fatalf("Failed to deploy version contract: %v", err)
}
@ -239,7 +239,7 @@ func TestVersionRelease(t *testing.T) {
// Propose release with half voters and check that the release does not yet go through
for j := 0; j < (i+1)/2; j++ {
if _, err = oracle.Release(bind.NewKeyedTransactor(keys[j]), uint32(i), uint32(i+1), uint32(i+2), [20]byte{}); err != nil {
if _, err = oracle.Release(bind.NewKeyedTransactor(keys[j]), uint32(i), uint32(i+1), uint32(i+2), [20]byte{byte(i + 3)}); err != nil {
t.Fatalf("Iter #%d: failed valid release attempt: %v", i, err)
}
}
@ -254,8 +254,8 @@ func TestVersionRelease(t *testing.T) {
}
// Pass the release and check that it became the next version
verMajor, verMinor, verPatch, verCommit = uint32(i), uint32(i+1), uint32(i+2), [20]byte{}
if _, err = oracle.Release(bind.NewKeyedTransactor(keys[(i+1)/2]), uint32(i), uint32(i+1), uint32(i+2), [20]byte{}); err != nil {
verMajor, verMinor, verPatch, verCommit = uint32(i), uint32(i+1), uint32(i+2), [20]byte{byte(i + 3)}
if _, err = oracle.Release(bind.NewKeyedTransactor(keys[(i+1)/2]), uint32(i), uint32(i+1), uint32(i+2), [20]byte{byte(i + 3)}); err != nil {
t.Fatalf("Iter #%d: failed valid release completion attempt: %v", i, err)
}
sim.Commit()
@ -293,7 +293,7 @@ func TestVersionNuking(t *testing.T) {
for i := 1; i < (len(keys)+1)/2; i++ {
// Propose release with an initial set of signers
for j := 0; j < i; j++ {
if _, err := oracle.Release(bind.NewKeyedTransactor(keys[j]), uint32(i), uint32(i+1), uint32(i+2), [20]byte{}); err != nil {
if _, err := oracle.Release(bind.NewKeyedTransactor(keys[j]), uint32(i), uint32(i+1), uint32(i+2), [20]byte{byte(i + 3)}); err != nil {
t.Fatalf("Iter #%d: failed valid proposal attempt: %v", i, err)
}
}
@ -344,7 +344,7 @@ func TestVersionAutoNuke(t *testing.T) {
sim.Commit()
}
// Make a release proposal and check it's existence
if _, err := oracle.Release(bind.NewKeyedTransactor(keys[0]), 1, 2, 3, [20]byte{}); err != nil {
if _, err := oracle.Release(bind.NewKeyedTransactor(keys[0]), 1, 2, 3, [20]byte{4}); err != nil {
t.Fatalf("Failed valid proposal attempt: %v", err)
}
sim.Commit()

0
contracts/release/generator.go → release/generator.go
View File

147
release/release.go Normal file
View File

@ -0,0 +1,147 @@
// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Package release contains the node service that tracks client releases.
package release
import (
"fmt"
"strings"
"time"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/rpc"
)
// Interval to check for new releases
const releaseRecheckInterval = time.Hour
// Config contains the configurations of the release service.
type Config struct {
Oracle common.Address // Ethereum address of the release oracle
Major uint32 // Major version component of the release
Minor uint32 // Minor version component of the release
Patch uint32 // Patch version component of the release
Commit [20]byte // Git SHA1 commit hash of the release
}
// ReleaseService is a node service that periodically checks the blockchain for
// newly released versions of the client being run and issues a warning to the
// user about it.
type ReleaseService struct {
config Config // Current version to check releases against
oracle *ReleaseOracle // Native binding to the release oracle contract
quit chan chan error // Quit channel to terminate the version checker
}
// NewReleaseService creates a new service to periodically check for new client
// releases and notify the user of such.
func NewReleaseService(ctx *node.ServiceContext, config Config) (node.Service, error) {
// Retrieve the Ethereum service dependency to access the blockchain
var ethereum *eth.Ethereum
if err := ctx.Service(&ethereum); err != nil {
return nil, err
}
// Construct the release service
contract, err := NewReleaseOracle(config.Oracle, eth.NewContractBackend(ethereum))
if err != nil {
return nil, err
}
return &ReleaseService{
config: config,
oracle: contract,
quit: make(chan chan error),
}, nil
}
// Protocols returns an empty list of P2P protocols as the release service does
// not have a networking component.
func (r *ReleaseService) Protocols() []p2p.Protocol { return nil }
// APIs returns an empty list of RPC descriptors as the release service does not
// expose any functioanlity to the outside world.
func (r *ReleaseService) APIs() []rpc.API { return nil }
// Start spawns the periodic version checker goroutine
func (r *ReleaseService) Start(server *p2p.Server) error {
go r.checker()
return nil
}
// Stop terminates all goroutines belonging to the service, blocking until they
// are all terminated.
func (r *ReleaseService) Stop() error {
errc := make(chan error)
r.quit <- errc
return <-errc
}
// checker runs indefinitely in the background, periodically checking for new
// client releases.
func (r *ReleaseService) checker() {
// Set up the timers to periodically check for releases
timer := time.NewTimer(0) // Immediately fire a version check
defer timer.Stop()
for {
select {
// If the time arrived, check for a new release
case <-timer.C:
// Rechedule the timer before continuing
timer.Reset(releaseRecheckInterval)
// Retrieve the current version, and handle missing contracts gracefully
version, err := r.oracle.CurrentVersion(nil)
if err != nil {
if err == bind.ErrNoCode {
glog.V(logger.Debug).Infof("Release oracle not found at %x", r.config.Oracle)
continue
}
glog.V(logger.Error).Infof("Failed to retrieve current release: %v", err)
continue
}
// Version was successfully retrieved, notify if newer than ours
if version.Major > r.config.Major ||
(version.Major == r.config.Major && version.Minor > r.config.Minor) ||
(version.Major == r.config.Major && version.Minor == r.config.Minor && version.Patch > r.config.Patch) {
warning := fmt.Sprintf("Client v%d.%d.%d-%x seems older than the latest upstream release v%d.%d.%d-%x",
r.config.Major, r.config.Minor, r.config.Patch, r.config.Commit[:4], version.Major, version.Minor, version.Patch, version.Commit[:4])
howtofix := fmt.Sprintf("Please check https://github.com/ethereum/go-ethereum/releases for new releases")
separator := strings.Repeat("-", len(warning))
glog.V(logger.Warn).Info(separator)
glog.V(logger.Warn).Info(warning)
glog.V(logger.Warn).Info(howtofix)
glog.V(logger.Warn).Info(separator)
} else {
glog.V(logger.Debug).Infof("Client v%d.%d.%d-%x seems up to date with upstream v%d.%d.%d-%x",
r.config.Major, r.config.Minor, r.config.Patch, r.config.Commit[:4], version.Major, version.Minor, version.Patch, version.Commit[:4])
}
// If termination was requested, return
case errc := <-r.quit:
errc <- nil
return
}
}
}