mirror of https://github.com/poanetwork/quorum.git
Merge pull request #10 from jpmorganchase/jpm-master
Private TX processing and test improvements
This commit is contained in:
commit
a84c31ce76
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@ -1058,3 +1058,97 @@ func TestCanonicalBlockRetrieval(t *testing.T) {
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blockchain.InsertChain(types.Blocks{chain[i]})
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}
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}
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type privateTestTx struct {
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*types.Transaction
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private bool
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}
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func (ptx *privateTestTx) IsPrivate() bool { return ptx.private }
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// Tests if the canonical block can be fetched from the database during chain insertion.
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func TestPrivateTransactions(t *testing.T) {
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var (
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db, _ = ethdb.NewMemDatabase()
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key, _ = crypto.GenerateKey()
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evmux = &event.TypeMux{}
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blockchain, _ = NewBlockChain(db, testChainConfig(), FakePow{}, evmux, false)
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header = &types.Header{}
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gp = new(GasPool).AddGas(big.NewInt(2000000))
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err error
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)
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publicState, err := state.New(common.Hash{}, db)
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if err != nil {
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t.Fatal(err)
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}
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privateState, err := state.New(common.Hash{}, db)
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if err != nil {
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t.Fatal(err)
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}
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prvContractAddr := common.Address{1}
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pubContractAddr := common.Address{2}
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/* gllc
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asm {
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PUSH1 10
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PUSH1 0
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SSTORE
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}
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*/
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privateState.SetCode(prvContractAddr, common.Hex2Bytes("600a60005500"))
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privateState.SetState(prvContractAddr, common.Hash{}, common.Hash{9})
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publicState.SetCode(pubContractAddr, common.Hex2Bytes("601460005500"))
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publicState.SetState(pubContractAddr, common.Hash{}, common.Hash{19})
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// Private transaction 1
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ptx := privateTestTx{private: true}
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ptx.Transaction, err = types.NewTransaction(0, prvContractAddr, new(big.Int), big.NewInt(1000000), new(big.Int), nil).SignECDSA(key)
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if err != nil {
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t.Fatal(err)
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}
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_, _, err = ApplyMessage(NewEnv(publicState, privateState, &ChainConfig{}, blockchain, ptx.Transaction, header, vm.Config{}), ptx, gp)
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if err != nil {
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t.Fatal(err)
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}
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stateEntry := privateState.GetState(prvContractAddr, common.Hash{}).Big()
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if stateEntry.Cmp(big.NewInt(10)) != 0 {
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t.Error("expected state to have 10, got", stateEntry)
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}
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// Public transaction 1
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ptx = privateTestTx{private: false}
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ptx.Transaction, err = types.NewTransaction(1, pubContractAddr, new(big.Int), big.NewInt(1000000), new(big.Int), nil).SignECDSA(key)
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if err != nil {
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t.Fatal(err)
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}
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_, _, err = ApplyMessage(NewEnv(publicState, publicState, &ChainConfig{}, blockchain, ptx.Transaction, header, vm.Config{}), ptx, gp)
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if err != nil {
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t.Fatal(err)
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}
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stateEntry = publicState.GetState(pubContractAddr, common.Hash{}).Big()
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if stateEntry.Cmp(big.NewInt(20)) != 0 {
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t.Error("expected state to have 20, got", stateEntry)
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}
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// Private transaction 2
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ptx = privateTestTx{private: true}
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ptx.Transaction, err = types.NewTransaction(2, prvContractAddr, new(big.Int), big.NewInt(1000000), new(big.Int), nil).SignECDSA(key)
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if err != nil {
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t.Fatal(err)
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}
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_, _, err = ApplyMessage(NewEnv(publicState, privateState, &ChainConfig{}, blockchain, ptx.Transaction, header, vm.Config{}), ptx, gp)
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if err != nil {
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t.Fatal(err)
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}
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stateEntry = privateState.GetState(prvContractAddr, common.Hash{}).Big()
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if stateEntry.Cmp(big.NewInt(10)) != 0 {
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t.Error("expected state to have 10, got", stateEntry)
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}
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if publicState.Exist(prvContractAddr) {
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t.Error("didn't expect private contract address to exist on public state")
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}
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if privateState.Exist(pubContractAddr) {
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t.Error("didn't expect public contract address to exist on private state")
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}
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}
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@ -21,7 +21,6 @@ import (
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"math/big"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/logger"
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"github.com/ethereum/go-ethereum/logger/glog"
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@ -77,6 +76,12 @@ type Message interface {
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Data() []byte
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}
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// PrivateMessage implements a private message
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type PrivateMessage interface {
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Message
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IsPrivate() bool
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}
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func MessageCreatesContract(msg Message) bool {
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return msg.To() == nil
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}
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@ -159,21 +164,6 @@ func (self *StateTransition) from() (vm.Account, error) {
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return self.state.GetAccount(f), nil
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}
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func (self *StateTransition) to() vm.Account {
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if self.msg == nil {
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return nil
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}
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to := self.msg.To()
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if to == nil {
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return nil // contract creation
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}
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if !self.state.Exist(*to) {
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return self.state.CreateAccount(*to)
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}
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return self.state.GetAccount(*to)
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}
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func (self *StateTransition) useGas(amount *big.Int) error {
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if self.gas.Cmp(amount) < 0 {
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return vm.OutOfGasError
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@ -246,7 +236,7 @@ func (self *StateTransition) TransitionDb() (ret []byte, requiredGas, usedGas *b
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data []byte
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isPrivate bool
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)
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if tx, ok := msg.(*types.Transaction); ok && tx.IsPrivate() {
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if msg, ok := msg.(PrivateMessage); ok && msg.IsPrivate() {
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isPrivate = true
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data, err = private.P.Receive(self.data)
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// Increment the public account nonce if:
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@ -257,7 +247,7 @@ func (self *StateTransition) TransitionDb() (ret []byte, requiredGas, usedGas *b
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}
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if err != nil {
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glog.V(logger.Debug).Infof("Ignoring private tx %x. Not a participant.", tx.Hash())
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glog.V(logger.Debug).Infof("Ignoring private tx")
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return nil, new(big.Int), new(big.Int), nil
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}
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} else {
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@ -289,7 +279,7 @@ func (self *StateTransition) TransitionDb() (ret []byte, requiredGas, usedGas *b
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publicState.SetNonce(sender.Address(), publicState.GetNonce(sender.Address())+1)
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}
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ret, err = vmenv.Call(sender, self.to().Address(), data, self.gas, self.gasPrice, self.value)
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ret, err = vmenv.Call(sender, *self.msg.To(), data, self.gas, self.gasPrice, self.value)
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if err != nil {
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glog.V(logger.Core).Infoln("VM call err:", err)
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}
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