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86 changes: 86 additions & 0 deletions
86
native/service/cross_chain_manager/quorum/quorum_handler.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| /* | ||
| * Copyright (C) 2020 The poly network Authors | ||
| * This file is part of The poly network library. | ||
| * | ||
| * The poly network 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 poly network 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 poly network . If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| package quorum | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "errors" | ||
| "fmt" | ||
| "github.com/ethereum/go-ethereum/core/types" | ||
| pcom "github.com/polynetwork/poly/common" | ||
| "github.com/polynetwork/poly/native" | ||
| "github.com/polynetwork/poly/native/service/cross_chain_manager/common" | ||
| "github.com/polynetwork/poly/native/service/governance/side_chain_manager" | ||
| "github.com/polynetwork/poly/native/service/header_sync/quorum" | ||
| ) | ||
|
|
||
| type QuorumHandler struct{} | ||
|
|
||
| func NewQuorumHandler() *QuorumHandler { | ||
| return &QuorumHandler{} | ||
| } | ||
|
|
||
| func (this *QuorumHandler) MakeDepositProposal(ns *native.NativeService) (*common.MakeTxParam, error) { | ||
| params := new(common.EntranceParam) | ||
| if err := params.Deserialization(pcom.NewZeroCopySource(ns.GetInput())); err != nil { | ||
| return nil, fmt.Errorf("Quorum MakeDepositProposal, contract params deserialize error: %v", err) | ||
| } | ||
|
|
||
| sideChain, err := side_chain_manager.GetSideChain(ns, params.SourceChainID) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("Quorum MakeDepositProposal, side_chain_manager.GetSideChain error: %v", err) | ||
| } | ||
| if sideChain == nil { | ||
| return nil, errors.New("Quorum MakeDepositProposal, side chain not found") | ||
| } | ||
|
|
||
| val := &common.MakeTxParam{} | ||
| if err := val.Deserialization(pcom.NewZeroCopySource(params.Extra)); err != nil { | ||
| return nil, fmt.Errorf("Quorum MakeDepositProposal, failed to deserialize MakeTxParam: %v", err) | ||
| } | ||
| if err := common.CheckDoneTx(ns, val.CrossChainID, params.SourceChainID); err != nil { | ||
| return nil, fmt.Errorf("Quorum MakeDepositProposal, check done transaction error: %v", err) | ||
| } | ||
| if err := common.PutDoneTx(ns, val.CrossChainID, params.SourceChainID); err != nil { | ||
| return nil, fmt.Errorf("Quorum MakeDepositProposal, PutDoneTx error: %v", err) | ||
| } | ||
|
|
||
| header := &types.Header{} | ||
| if err := json.Unmarshal(params.HeaderOrCrossChainMsg, header); err != nil { | ||
| return nil, fmt.Errorf("Quorum MakeDepositProposal, deserialize header err: %v", err) | ||
| } | ||
| valh, err := quorum.GetCurrentValHeight(ns, params.SourceChainID) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("Quorum MakeDepositProposal, failed to get current validators height: %v", err) | ||
| } | ||
| if header.Number.Uint64() < valh { | ||
| return nil, fmt.Errorf("Quorum MakeDepositProposal, height of header %d is less than epoch height %d", header.Number.Uint64(), valh) | ||
| } | ||
| vs, err := quorum.GetValSet(ns, params.SourceChainID) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("Quorum MakeDepositProposal, failed to get quorum validators: %v", err) | ||
| } | ||
| if _, err := quorum.VerifyQuorumHeader(vs, header, false); err != nil { | ||
| return nil, fmt.Errorf("Quorum MakeDepositProposal, failed to verify quorum header %s: %v", header.Hash().String(), err) | ||
| } | ||
|
|
||
| if err := verifyFromQuorumTx(params.Proof, params.Extra, header, sideChain); err != nil { | ||
| return nil, fmt.Errorf("Quorum MakeDepositProposal, verifyFromEthTx error: %s", err) | ||
| } | ||
|
|
||
| return val, nil | ||
| } |
144 changes: 144 additions & 0 deletions
144
native/service/cross_chain_manager/quorum/quorum_handler_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| /* | ||
| * Copyright (C) 2020 The poly network Authors | ||
| * This file is part of The poly network library. | ||
| * | ||
| * The poly network 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 poly network 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 poly network . If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| package quorum | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "github.com/ethereum/go-ethereum/core/types" | ||
| eth2 "github.com/polynetwork/poly/native/service/cross_chain_manager/eth" | ||
| cmanager "github.com/polynetwork/poly/native/service/governance/side_chain_manager" | ||
| ) | ||
|
|
||
| func verifyFromQuorumTx(proof, extra []byte, hdr *types.Header, sideChain *cmanager.SideChain) error { | ||
| ethProof := new(eth2.ETHProof) | ||
| if err := json.Unmarshal(proof, ethProof); err != nil { | ||
| return fmt.Errorf("VerifyFromEthProof, unmarshal proof error:%s", err) | ||
| } | ||
| if len(ethProof.StorageProofs) != 1 { | ||
| return fmt.Errorf("VerifyFromEthProof, incorrect proof format") | ||
| } | ||
| proofResult, err := eth2.VerifyMerkleProof(ethProof, hdr, sideChain.CCMCAddress) | ||
| if err != nil { | ||
| return fmt.Errorf("VerifyFromEthProof, verifyMerkleProof error:%v", err) | ||
| } | ||
| if proofResult == nil { | ||
| return fmt.Errorf("VerifyFromEthProof, verifyMerkleProof failed!") | ||
| } | ||
| if !eth2.CheckProofResult(proofResult, extra) { | ||
| return fmt.Errorf("VerifyFromEthProof, verify proof value hash failed, proof result:%x, extra:%x", proofResult, extra) | ||
| } | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| /* | ||
| * Copyright (C) 2020 The poly network Authors | ||
| * This file is part of The poly network library. | ||
| * | ||
| * The poly network 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 poly network 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 poly network . If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| package quorum | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "errors" | ||
| "fmt" | ||
| "github.com/ethereum/go-ethereum/core/types" | ||
| pcom "github.com/polynetwork/poly/common" | ||
| "github.com/polynetwork/poly/native" | ||
| "github.com/polynetwork/poly/native/service/governance/node_manager" | ||
| "github.com/polynetwork/poly/native/service/header_sync/common" | ||
| "github.com/polynetwork/poly/native/service/utils" | ||
| ) | ||
|
|
||
| type QuorumHandler struct{} | ||
|
|
||
| func NewQuorumHandler() *QuorumHandler { | ||
| return &QuorumHandler{} | ||
| } | ||
|
|
||
| func (h *QuorumHandler) SyncGenesisHeader(ns *native.NativeService) error { | ||
| params := new(common.SyncGenesisHeaderParam) | ||
| if err := params.Deserialization(pcom.NewZeroCopySource(ns.GetInput())); err != nil { | ||
| return fmt.Errorf("QuorumHandler SyncGenesisHeader, contract params deserialize error: %v", err) | ||
| } | ||
| // Get current epoch operator | ||
| op, err := node_manager.GetCurConOperator(ns) | ||
| if err != nil { | ||
| return fmt.Errorf("QuorumHandler SyncGenesisHeader, get current consensus operator address error: %v", err) | ||
| } | ||
| //check witness | ||
| err = utils.ValidateOwner(ns, op) | ||
| if err != nil { | ||
| return fmt.Errorf("QuorumHandler SyncGenesisHeader, checkWitness error: %v", err) | ||
| } | ||
|
|
||
| header := &types.Header{} | ||
| if err = json.Unmarshal(params.GenesisHeader, header); err != nil { | ||
| return fmt.Errorf("QuorumHandler SyncGenesisHeader, deserialize header err: %v", err) | ||
| } | ||
| extra, err := ExtractIstanbulExtra(header) | ||
| if err != nil { | ||
| return fmt.Errorf("QuorumHandler SyncGenesisHeader, failed to ExtractIstanbulExtra: %v", err) | ||
| } | ||
|
|
||
| putValSet(ns, params.ChainID, header.Number.Uint64(), extra.Validators) | ||
| return nil | ||
| } | ||
|
|
||
| func (h *QuorumHandler) SyncBlockHeader(ns *native.NativeService) error { | ||
| params := new(common.SyncBlockHeaderParam) | ||
| err := params.Deserialization(pcom.NewZeroCopySource(ns.GetInput())) | ||
| if err != nil { | ||
| return fmt.Errorf("QuorumHandler SyncBlockHeader, contract params deserialize error: %v", err) | ||
| } | ||
| if len(params.Headers) == 0 { | ||
| return errors.New("QuorumHandler SyncBlockHeader, none headers in input") | ||
| } | ||
|
|
||
| currh, err := GetCurrentValHeight(ns, params.ChainID) | ||
| if err != nil { | ||
| return fmt.Errorf("QuorumHandler SyncBlockHeader, failed to get current validator height: %v", err) | ||
| } | ||
| vs, err := GetValSet(ns, params.ChainID) | ||
| if err != nil { | ||
| return fmt.Errorf("QuorumHandler SyncBlockHeader, failed to get validators: %v", err) | ||
| } | ||
| header := &types.Header{} | ||
| for i, v := range params.Headers { | ||
| if err := json.Unmarshal(v, header); err != nil { | ||
| return fmt.Errorf("QuorumHandler SyncBlockHeader, deserialize No.%d header err: %v", i, err) | ||
| } | ||
| h := header.Number.Uint64() | ||
| if currh >= h { | ||
| return fmt.Errorf("QuorumHandler SyncBlockHeader, wrong height of No.%d header: (curr: %d, commit: %d)", i, currh, h) | ||
| } | ||
|
|
||
| extra, err := VerifyQuorumHeader(vs, header, true) | ||
| if err != nil { | ||
| return fmt.Errorf("QuorumHandler SyncBlockHeader, failed to verify No.%d quorum header %s: %v", i, GetQuorumHeaderHash(header).String(), err) | ||
| } | ||
|
|
||
| currh, vs = h, extra.Validators | ||
| } | ||
|
|
||
| putValSet(ns, params.ChainID, currh, vs) | ||
| return nil | ||
| } | ||
|
|
||
| func (h *QuorumHandler) SyncCrossChainMsg(ns *native.NativeService) error { | ||
| return nil | ||
| } |
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