From 0b6a7ed1ad14c174562f4dce2534e59bd408c304 Mon Sep 17 00:00:00 2001 From: parmarrushabh Date: Sun, 24 Feb 2019 17:50:28 +0530 Subject: [PATCH 1/2] updated smartcontract issue --- contracts/blockSignerReader.go | 33 - contracts/randomizeReader.go | 37 - contracts/smcUtils.go | 34 - contracts/test.go | 282 ----- contracts/validator/contract/XDCValidator.abi | 656 +++++++++++ contracts/validator/contract/XDCValidator.bin | 1 + contracts/validator/contract/XDCValidator.sol | 137 ++- contracts/validator/contract/validator.go | 1045 ++++++++++------- contracts/validator/validator.go | 30 +- contracts/validatorReader.go | 88 -- 10 files changed, 1431 insertions(+), 912 deletions(-) delete mode 100644 contracts/blockSignerReader.go delete mode 100644 contracts/randomizeReader.go delete mode 100644 contracts/smcUtils.go delete mode 100644 contracts/test.go create mode 100644 contracts/validator/contract/XDCValidator.abi create mode 100644 contracts/validator/contract/XDCValidator.bin delete mode 100644 contracts/validatorReader.go diff --git a/contracts/blockSignerReader.go b/contracts/blockSignerReader.go deleted file mode 100644 index 46b72e889a..0000000000 --- a/contracts/blockSignerReader.go +++ /dev/null @@ -1,33 +0,0 @@ -package contracts - -import ( - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/core/state" - "github.com/ethereum/go-ethereum/core/types" -) - -var ( - slotBlockSignerMapping = map[string]uint64{ - "blockSigners": 0, - "blocks": 1, - } -) - -func GetSigners(statedb *state.StateDB, block *types.Block) []common.Address { - slot := slotBlockSignerMapping["blockSigners"] - keys := []common.Hash{} - keyArrSlot := getLocMappingAtKey(block.Hash(), slot) - arrSlot := statedb.GetState(common.HexToAddress(common.BlockSigners), common.BigToHash(keyArrSlot)) - arrLength := arrSlot.Big().Uint64() - for i := uint64(0); i < arrLength; i++ { - key := getLocDynamicArrAtElement(common.BigToHash(keyArrSlot), i, 1) - keys = append(keys, key) - } - rets := []common.Address{} - for _, key := range keys { - ret := statedb.GetState(common.HexToAddress(common.BlockSigners), key) - rets = append(rets, common.HexToAddress(ret.Hex())) - } - - return rets -} diff --git a/contracts/randomizeReader.go b/contracts/randomizeReader.go deleted file mode 100644 index 173e82afbb..0000000000 --- a/contracts/randomizeReader.go +++ /dev/null @@ -1,37 +0,0 @@ -package contracts - -import ( - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/core/state" -) - -var ( - slotRandomizeMapping = map[string]uint64{ - "randomSecret": 0, - "randomOpening": 1, - } -) - -func GetSecret(statedb *state.StateDB, address common.Address) [][32]byte { - slot := slotRandomizeMapping["randomSecret"] - locSecret := getLocMappingAtKey(address.Hash(), slot) - arrLength := statedb.GetState(common.HexToAddress(common.RandomizeSMC), common.BigToHash(locSecret)) - keys := []common.Hash{} - for i := uint64(0); i < arrLength.Big().Uint64(); i++ { - key := getLocDynamicArrAtElement(common.BigToHash(locSecret), i, 1) - keys = append(keys, key) - } - rets := [][32]byte{} - for _, key := range keys { - ret := statedb.GetState(common.HexToAddress(common.RandomizeSMC), key) - rets = append(rets, ret) - } - return rets -} - -func GetOpening(statedb *state.StateDB, address common.Address) [32]byte { - slot := slotRandomizeMapping["randomOpening"] - locOpening := getLocMappingAtKey(address.Hash(), slot) - ret := statedb.GetState(common.HexToAddress(common.RandomizeSMC), common.BigToHash(locOpening)) - return ret -} diff --git a/contracts/smcUtils.go b/contracts/smcUtils.go deleted file mode 100644 index 8c71c78164..0000000000 --- a/contracts/smcUtils.go +++ /dev/null @@ -1,34 +0,0 @@ -package contracts - -import ( - "math/big" - - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/crypto" -) - -func getLocSimpleVariable(slot uint64) common.Hash { - slotHash := common.BigToHash(new(big.Int).SetUint64(slot)) - return slotHash -} - -func getLocMappingAtKey(key common.Hash, slot uint64) *big.Int { - slotHash := common.BigToHash(new(big.Int).SetUint64(slot)) - retByte := crypto.Keccak256(key.Bytes(), slotHash.Bytes()) - ret := new(big.Int) - ret.SetBytes(retByte) - return ret -} - -func getLocDynamicArrAtElement(slotHash common.Hash, index uint64, elementSize uint64) common.Hash { - slotKecBig := crypto.Keccak256Hash(slotHash.Bytes()).Big() - //arrBig = slotKecBig + index * elementSize - arrBig := slotKecBig.Add(slotKecBig, new(big.Int).SetUint64(index*elementSize)) - return common.BigToHash(arrBig) -} - -func getLocFixedArrAtElement(slot uint64, index uint64, elementSize uint64) common.Hash { - slotBig := new(big.Int).SetUint64(slot) - arrBig := slotBig.Add(slotBig, new(big.Int).SetUint64(index*elementSize)) - return common.BigToHash(arrBig) -} diff --git a/contracts/test.go b/contracts/test.go deleted file mode 100644 index 5a7a99b209..0000000000 --- a/contracts/test.go +++ /dev/null @@ -1,282 +0,0 @@ -package contracts - -// -//import ( -// "fmt" -// "math/big" -// "time" -// -// "github.com/ethereum/go-ethereum/common" -// "github.com/ethereum/go-ethereum/core" -// "github.com/ethereum/go-ethereum/core/state" -// "github.com/ethereum/go-ethereum/crypto" -// "github.com/ethereum/go-ethereum/ethdb" -// "github.com/ethereum/go-ethereum/core/types" -//) -// -//var ( -// slotValidatorMapping = map[string]uint64{ -// "withdrawsState": 0, -// "validatorsState": 1, -// "voters": 2, -// "candidates": 3, -// "candidateCount": 4, -// "minCandidateCap": 5, -// "minVoterCap": 6, -// "maxValidatorNumber": 7, -// "candidateWithdrawDelay": 8, -// "voterWithdrawDelay": 9, -// } -// slotBlockSignerMapping = map[string]uint64{ -// "blockSigners": 0, -// "blocks": 1, -// } -// slotRandomizeMapping = map[string]uint64{ -// "randomSecret": 0, -// "randomOpening": 1, -// } -// datadir = "/mnt/sgp1_tuna_chaindata3/data/XDC/chaindata" -// candidate = "0xd6fa3e7a89bf8c84f0ccd204a15c0d259daf2091" -//) -// -//func main() { -// //Init -// chaindb, err := ethdb.NewLDBDatabase(datadir, 0, 0) -// if err != nil || chaindb == nil { -// fmt.Printf("Can't get chaindb: %v", err) -// return -// } -// headHash := core.GetHeadBlockHash(chaindb) -// blockNumber := core.GetBlockNumber(chaindb, headHash) -// block := core.GetBlock(chaindb, headHash, blockNumber) -// if block == nil { -// fmt.Println("Can't get head block") -// return -// } -// database := state.NewDatabase(chaindb) -// headerRootHash := block.Header().Root -// headHeaderHash := core.GetHeadHeaderHash(chaindb) -// statedb, _ := state.New(headHeaderHash, database) -// if statedb == nil { -// headHeaderHash = headerRootHash -// } -// candidateAddress := common.HexToAddress(candidate) -// fmt.Printf("Block head :%d, header root:%v\n", blockNumber, headerRootHash.Hex()) -// statedb, _ = state.New(headHeaderHash, database) -// if statedb == nil { -// fmt.Println("Can't get state db") -// return -// } -// -// //GetCandidates -// _ = GetCandidates(statedb) -// -// //GetCandidateOwner -// _ = GetCandidateOwner(statedb, candidateAddress) -// -// //GetCandidateCap -// _ = GetCandidateCap(statedb, candidateAddress) -// -// //GetVoters -// voters := GetVoters(statedb, candidateAddress) -// -// start := time.Now() -// fmt.Printf("--------GetVoterCap---------\n") -// for _, voter := range voters { -// //GetVoterCap -// _ = GetVoterCap(statedb, candidateAddress, voter) -// } -// elapsed := time.Since(start) -// fmt.Printf("Execution time: %s\n", elapsed) -// -// //GetSigners -// blockInput := core.GetBlock(chaindb, common.HexToHash("0x632f2403ea19697082d794900275632eb3373f7a9943b1407461995bbbc2816a"), uint64(1800)) -// _ = GetSigners(statedb, blockInput) -// -// //GetOpening -// _ = GetOpening(statedb, candidateAddress) -// //GetSecret -// _ = GetSecret(statedb, candidateAddress) -//} -// -//func GetCandidates(statedb *state.StateDB) []common.Address { -// start := time.Now() -// fmt.Printf("--------GetCandidates---------\n") -// -// slot := slotValidatorMapping["candidates"] -// slotHash := common.BigToHash(new(big.Int).SetUint64(slot)) -// arrLength := statedb.GetState(common.HexToAddress(common.MasternodeVotingSMC), slotHash) -// fmt.Printf("Candidates length: %v\n", arrLength.Hex()) -// keys := []common.Hash{} -// for i := uint64(0); i < arrLength.Big().Uint64(); i++ { -// key := getLocDynamicArrAtElement(slotHash, i, 1) -// keys = append(keys, key) -// } -// rets := []common.Address{} -// for _, key := range keys { -// ret := statedb.GetState(common.HexToAddress(common.MasternodeVotingSMC), key) -// rets = append(rets, common.HexToAddress(ret.Hex())) -// fmt.Printf("%v\n", common.HexToAddress(ret.Hex()).Hex()) -// } -// elapsed := time.Since(start) -// fmt.Printf("Execution time: %s\n", elapsed) -// return rets -//} -// -//func GetCandidateOwner(statedb *state.StateDB, candidate common.Address) common.Address { -// start := time.Now() -// fmt.Printf("--------GetCandidateOwner---------\n") -// -// slot := slotValidatorMapping["validatorsState"] -// // validatorsState[_candidate].owner; -// locValidatorsState := getLocMappingAtKey(candidate.Hash(), slot) -// locCandidateOwner := locValidatorsState.Add(locValidatorsState, new(big.Int).SetUint64(uint64(0))) -// ret := statedb.GetState(common.HexToAddress(common.MasternodeVotingSMC), common.BigToHash(locCandidateOwner)) -// fmt.Printf("ret: %v\n", common.HexToAddress(ret.Hex()).Hex()) -// -// elapsed := time.Since(start) -// fmt.Printf("Execution time: %s\n", elapsed) -// return common.HexToAddress(ret.Hex()) -//} -// -//func GetCandidateCap(statedb *state.StateDB, candidate common.Address) string { -// start := time.Now() -// fmt.Printf("--------GetCandidateCap---------\n") -// -// slot := slotValidatorMapping["validatorsState"] -// // validatorsState[_candidate].cap; -// locValidatorsState := getLocMappingAtKey(candidate.Hash(), slot) -// locCandidateCap := locValidatorsState.Add(locValidatorsState, new(big.Int).SetUint64(uint64(1))) -// ret := statedb.GetState(common.HexToAddress(common.MasternodeVotingSMC), common.BigToHash(locCandidateCap)) -// fmt.Printf("cap: %v\n", ret.Big().String()) -// -// elapsed := time.Since(start) -// fmt.Printf("Execution time: %s\n", elapsed) -// return ret.Hex() -//} -// -//func GetVoterCap(state *state.StateDB, candidate, voter common.Address) *big.Int { -// //validatorsState[_candidate].voters[_voter] -// slot := slotValidatorMapping["validatorsState"] -// locValidatorsState := getLocMappingAtKey(candidate.Hash(), slot) -// locCandidateVoters := locValidatorsState.Add(locValidatorsState, new(big.Int).SetUint64(uint64(2))) -// retByte := crypto.Keccak256(voter.Hash().Bytes(), common.BigToHash(locCandidateVoters).Bytes()) -// ret := state.GetState(common.HexToAddress(common.MasternodeVotingSMC), common.BytesToHash(retByte)) -// fmt.Printf("voter: %v - cap: %v\n", voter.Hex(), ret.Big().String()) -// return ret.Big() -//} -// -//func GetVoters(statedb *state.StateDB, candidate common.Address) []common.Address { -// start := time.Now() -// fmt.Printf("--------GetVoters---------\n") -// -// //mapping(address => address[]) voters; -// slot := slotValidatorMapping["voters"] -// locVoters := getLocMappingAtKey(candidate.Hash(), slot) -// arrLength := statedb.GetState(common.HexToAddress(common.MasternodeVotingSMC), common.BigToHash(locVoters)) -// fmt.Printf("Voters length: %v\n", arrLength.Hex()) -// keys := []common.Hash{} -// for i := uint64(0); i < arrLength.Big().Uint64(); i++ { -// key := getLocDynamicArrAtElement(common.BigToHash(locVoters), i, 1) -// keys = append(keys, key) -// } -// rets := []common.Address{} -// for _, key := range keys { -// ret := statedb.GetState(common.HexToAddress(common.MasternodeVotingSMC), key) -// rets = append(rets, common.HexToAddress(ret.Hex())) -// fmt.Printf("%v\n", common.HexToAddress(ret.Hex()).Hex()) -// } -// -// elapsed := time.Since(start) -// fmt.Printf("Execution time: %s\n", elapsed) -// return rets -//} -// -//func GetSigners(statedb *state.StateDB, block *types.Block) []common.Address { -// methodName := "getSigners" -// fmt.Printf("---%s---\n", methodName) -// start := time.Now() -// slot := slotBlockSignerMapping["blockSigners"] -// keys := []common.Hash{} -// keyArrSlot := getLocMappingAtKey(block.Hash(), slot) -// arrSlot := statedb.GetState(common.HexToAddress(common.BlockSigners), common.BigToHash(keyArrSlot)) -// arrLength := arrSlot.Big().Uint64() -// for i := uint64(0); i < arrLength; i++ { -// key := getLocDynamicArrAtElement(common.BigToHash(keyArrSlot), i, 1) -// keys = append(keys, key) -// } -// rets := []common.Address{} -// for _, key := range keys { -// ret := statedb.GetState(common.HexToAddress(common.BlockSigners), key) -// rets = append(rets, common.HexToAddress(ret.Hex())) -// fmt.Printf("%v\n", common.HexToAddress(ret.Hex()).Hex()) -// } -// -// elapsed := time.Since(start) -// fmt.Printf("Execution time: %s\n", elapsed) -// return rets -//} -// -//func GetSecret(statedb *state.StateDB, address common.Address) [][32]byte { -// start := time.Now() -// fmt.Printf("--------GetSecret---------\n") -// -// slot := slotRandomizeMapping["randomSecret"] -// locSecret := getLocMappingAtKey(address.Hash(), slot) -// arrLength := statedb.GetState(common.HexToAddress(common.RandomizeSMC), common.BigToHash(locSecret)) -// fmt.Printf("Secret length: %v\n", arrLength.Hex()) -// keys := []common.Hash{} -// for i := uint64(0); i < arrLength.Big().Uint64(); i++ { -// key := getLocDynamicArrAtElement(common.BigToHash(locSecret), i, 1) -// keys = append(keys, key) -// } -// rets := [][32]byte{} -// for _, key := range keys { -// ret := statedb.GetState(common.HexToAddress(common.RandomizeSMC), key) -// rets = append(rets, ret) -// fmt.Printf("ret hex: %v - ret byte: %v\n", ret.Hex(), ret.Bytes()) -// } -// elapsed := time.Since(start) -// -// fmt.Printf("Execution time: %s\n", elapsed) -// return rets -//} -// -//func GetOpening(statedb *state.StateDB, address common.Address) [32]byte { -// start := time.Now() -// fmt.Printf("--------GetOpening---------\n") -// -// slot := slotRandomizeMapping["randomOpening"] -// locOpening := getLocMappingAtKey(address.Hash(), slot) -// ret := statedb.GetState(common.HexToAddress(common.RandomizeSMC), common.BigToHash(locOpening)) -// fmt.Printf("ret hex: %v - ret byte: %v\n", ret.Hex(), ret.Bytes()) -// elapsed := time.Since(start) -// fmt.Printf("Execution time: %s\n", elapsed) -// return ret -//} -// -// -////////////////////////////////////// -///////////// Common lib ///////////// -////////////////////////////////////// -// -//func getLocMappingAtKey(key common.Hash, slot uint64) *big.Int { -// slotHash := common.BigToHash(new(big.Int).SetUint64(slot)) -// retByte := crypto.Keccak256(key.Bytes(), slotHash.Bytes()) -// ret := new(big.Int) -// ret.SetBytes(retByte) -// return ret -//} -// -//func getLocDynamicArrAtElement(slotHash common.Hash, index uint64, elementSize uint64) common.Hash { -// slotKecBig := crypto.Keccak256Hash(slotHash.Bytes()).Big() -// //arrBig = slotKecBig + index * elementSize -// arrBig := slotKecBig.Add(slotKecBig, new(big.Int).SetUint64(index*elementSize)) -// return common.BigToHash(arrBig) -//} -// -//func getLocFixedArrAtElement(slot uint64, index uint64, elementSize uint64) common.Hash { -// slotBig := new(big.Int).SetUint64(slot) -// arrBig := slotBig.Add(slotBig, new(big.Int).SetUint64(index*elementSize)) -// return common.BigToHash(arrBig) -//} diff --git a/contracts/validator/contract/XDCValidator.abi b/contracts/validator/contract/XDCValidator.abi new file mode 100644 index 0000000000..5684b9a075 --- /dev/null +++ b/contracts/validator/contract/XDCValidator.abi @@ -0,0 +1,656 @@ +[ + { + "constant": false, + "inputs": [ + { + "name": "_candidate", + "type": "address" + } + ], + "name": "propose", + "outputs": [], + "payable": true, + "stateMutability": "payable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_candidate", + "type": "address" + } + ], + "name": "resign", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_candidate", + "type": "address" + }, + { + "name": "_cap", + "type": "uint256" + } + ], + "name": "unvote", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "kychash", + "type": "string" + } + ], + "name": "uploadKYC", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_candidate", + "type": "address" + } + ], + "name": "vote", + "outputs": [], + "payable": true, + "stateMutability": "payable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_invalidCandidate", + "type": "address" + } + ], + "name": "voteInvalidKYC", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "_blockNumber", + "type": "uint256" + }, + { + "name": "_index", + "type": "uint256" + } + ], + "name": "withdraw", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "inputs": [ + { + "name": "_candidates", + "type": "address[]" + }, + { + "name": "_caps", + "type": "uint256[]" + }, + { + "name": "_firstOwner", + "type": "address" + }, + { + "name": "_minCandidateCap", + "type": "uint256" + }, + { + "name": "_minVoterCap", + "type": "uint256" + }, + { + "name": "_maxValidatorNumber", + "type": "uint256" + }, + { + "name": "_candidateWithdrawDelay", + "type": "uint256" + }, + { + "name": "_voterWithdrawDelay", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "constructor" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": false, + "name": "_voter", + "type": "address" + }, + { + "indexed": false, + "name": "_candidate", + "type": "address" + }, + { + "indexed": false, + "name": "_cap", + "type": "uint256" + } + ], + "name": "Vote", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": false, + "name": "_voter", + "type": "address" + }, + { + "indexed": false, + "name": "_candidate", + "type": "address" + }, + { + "indexed": false, + "name": "_cap", + "type": "uint256" + } + ], + "name": "Unvote", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": false, + "name": "_owner", + "type": "address" + }, + { + "indexed": false, + "name": "_candidate", + "type": "address" + }, + { + "indexed": false, + "name": "_cap", + "type": "uint256" + } + ], + "name": "Propose", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": false, + "name": "_owner", + "type": "address" + }, + { + "indexed": false, + "name": "_candidate", + "type": "address" + } + ], + "name": "Resign", + "type": "event" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": false, + "name": "_owner", + "type": "address" + }, + { + "indexed": false, + "name": "_blockNumber", + "type": "uint256" + }, + { + "indexed": false, + "name": "_cap", + "type": "uint256" + } + ], + "name": "Withdraw", + "type": "event" + }, + { + "constant": true, + "inputs": [], + "name": "candidateCount", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "uint256" + } + ], + "name": "candidates", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "candidateWithdrawDelay", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_candidate", + "type": "address" + } + ], + "name": "getCandidateCap", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_candidate", + "type": "address" + } + ], + "name": "getCandidateOwner", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "getCandidates", + "outputs": [ + { + "name": "", + "type": "address[]" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_address", + "type": "address" + } + ], + "name": "getKYC", + "outputs": [ + { + "name": "", + "type": "string" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "getOwnerCount", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_candidate", + "type": "address" + }, + { + "name": "_voter", + "type": "address" + } + ], + "name": "getVoterCap", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_candidate", + "type": "address" + } + ], + "name": "getVoters", + "outputs": [ + { + "name": "", + "type": "address[]" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "getWithdrawBlockNumbers", + "outputs": [ + { + "name": "", + "type": "uint256[]" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_blockNumber", + "type": "uint256" + } + ], + "name": "getWithdrawCap", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "address" + }, + { + "name": "", + "type": "address" + } + ], + "name": "hasVotedInvalid", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "address" + } + ], + "name": "invalidKYCCount", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "_invalidCandidate", + "type": "address" + } + ], + "name": 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"type": "function" + } +] \ No newline at end of file diff --git a/contracts/validator/contract/XDCValidator.bin b/contracts/validator/contract/XDCValidator.bin new file mode 100644 index 0000000000..4c3c64e1dc --- /dev/null +++ b/contracts/validator/contract/XDCValidator.bin @@ -0,0 +1 @@ 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\ No newline at end of file diff --git a/contracts/validator/contract/XDCValidator.sol b/contracts/validator/contract/XDCValidator.sol index 34d8b4e51b..e35159507a 100644 --- a/contracts/validator/contract/XDCValidator.sol +++ b/contracts/validator/contract/XDCValidator.sol @@ -1,6 +1,52 @@ pragma solidity ^0.4.21; -import "./libs/SafeMath.sol"; +// This contract is under development. +// Refer to readme for further details. + + +library SafeMath { + + /** + * @dev Multiplies two numbers, throws on overflow. + */ + function mul(uint256 a, uint256 b) internal pure returns (uint256) { + if (a == 0) { + return 0; + } + uint256 c = a * b; + assert(c / a == b); + return c; + } + + /** + * @dev Integer division of two numbers, truncating the quotient. + */ + function div(uint256 a, uint256 b) internal pure returns (uint256) { + // assert(b > 0); // Solidity automatically throws when dividing by 0 + // uint256 c = a / b; + // assert(a == b * c + a % b); // There is no case in which this doesn't hold + return a / b; + } + + /** + * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). + */ + function sub(uint256 a, uint256 b) internal pure returns (uint256) { + assert(b <= a); + return a - b; + } + + /** + * @dev Adds two numbers, throws on overflow. + */ + function add(uint256 a, uint256 b) internal pure returns (uint256) { + uint256 c = a + b; + assert(c >= a); + return c; + } +} + + contract XDCValidator { using SafeMath for uint256; @@ -27,6 +73,14 @@ contract XDCValidator { mapping(address => ValidatorState) validatorsState; mapping(address => address[]) voters; + + // Mapping structures added for KYC feature. + mapping(address => string) public KYCString; + mapping(address => uint) public invalidKYCCount; + mapping(address => mapping(address => bool)) public hasVotedInvalid; + mapping(address => address[]) public ownerToCandidate; + address[] public owners; + address[] public candidates; uint256 public candidateCount = 0; @@ -43,10 +97,20 @@ contract XDCValidator { } modifier onlyValidVoterCap { + require(msg.value >= minVoterCap); _; } + modifier onlyKYCWhitelisted { + if(bytes(KYCString[msg.sender]).length != 0) + {_;} + else{ + if (ownerToCandidate[msg.sender].length > 0) + {_;} + } + } + modifier onlyOwner(address _candidate) { require(validatorsState[_candidate].owner == msg.sender); _; @@ -99,7 +163,7 @@ contract XDCValidator { candidateWithdrawDelay = _candidateWithdrawDelay; voterWithdrawDelay = _voterWithdrawDelay; candidateCount = _candidates.length; - + owners.push(_firstOwner); for (uint256 i = 0; i < _candidates.length; i++) { candidates.push(_candidates[i]); validatorsState[_candidates[i]] = ValidatorState({ @@ -108,11 +172,20 @@ contract XDCValidator { cap: _caps[i] }); voters[_candidates[i]].push(_firstOwner); + ownerToCandidate[_firstOwner].push(_candidates[i]); validatorsState[_candidates[i]].voters[_firstOwner] = minCandidateCap; } } - function propose(address _candidate) external payable onlyValidCandidateCap onlyNotCandidate(_candidate) { + + // uploadKYC : anyone can upload a KYC; its not equivalent to becoming an owner. + function uploadKYC(string kychash) external { + require(bytes(KYCString[msg.sender]).length==0); + KYCString[msg.sender]=kychash; + } + + // propose : any non-candidate who has uploaded its KYC can become an owner by proposing a candidate. + function propose(address _candidate) external payable onlyValidCandidateCap onlyKYCWhitelisted onlyNotCandidate(_candidate) { uint256 cap = validatorsState[_candidate].cap.add(msg.value); candidates.push(_candidate); validatorsState[_candidate] = ValidatorState({ @@ -122,6 +195,11 @@ contract XDCValidator { }); validatorsState[_candidate].voters[msg.sender] = validatorsState[_candidate].voters[msg.sender].add(msg.value); candidateCount = candidateCount.add(1); + if (ownerToCandidate[msg.sender].length ==0){ + owners.push(msg.sender); + + } + ownerToCandidate[msg.sender].push(_candidate); voters[_candidate].push(msg.sender); emit Propose(msg.sender, _candidate, msg.value); } @@ -198,6 +276,59 @@ contract XDCValidator { emit Resign(msg.sender, _candidate); } + // voteInvalidKYC : any candidate can vote for invalid KYC i.e. a particular candidate's owner has uploaded a bad KYC. + // On securing 75% votes against an owner ( not candidate ), owner & all its candidates will lose their funds. + function voteInvalidKYC(address _invalidCandidate) onlyValidCandidate(msg.sender) onlyValidCandidate(_invalidCandidate) public { + address candidateOwner = getCandidateOwner(msg.sender); + address _invalidMasternode = getCandidateOwner(_invalidCandidate); + require(!hasVotedInvalid[candidateOwner][_invalidMasternode]); + hasVotedInvalid[candidateOwner][_invalidMasternode] = true; + invalidKYCCount[_invalidMasternode] += 1; + if( invalidKYCCount[_invalidMasternode]*100/getOwnerCount() >= 75 ){ + // 75% owners say that the KYC is invalid + for (uint i=0;i. + package validator import ( + "math/big" + "github.com/ethereum/go-ethereum/accounts/abi/bind" "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/contracts/validator/contract" - "math/big" ) type Validator struct { @@ -29,12 +45,12 @@ func NewValidator(transactOpts *bind.TransactOpts, contractAddr common.Address, func DeployValidator(transactOpts *bind.TransactOpts, contractBackend bind.ContractBackend, validatorAddress []common.Address, caps []*big.Int, ownerAddress common.Address) (common.Address, *Validator, error) { minDeposit := new(big.Int) - minDeposit.SetString("50000000000000000000000", 10) + minDeposit.SetString("10000000000000000000000000", 10) minVoterCap := new(big.Int) - minVoterCap.SetString("10000000000000000000", 10) - // Deposit 50K XDC - // Min Voter Cap 10 XDC - // 150 masternodes + minVoterCap.SetString("25000000000000000000000", 10) + // Deposit 10Mil XDC + // Min Voter Cap 25K XDC + // 21 masternodes // Candidate Delay Withdraw 30 days = 1296000 blocks // Voter Delay Withdraw 2 days = 86400 blocks validatorAddr, _, _, err := contract.DeployXDCValidator(transactOpts, contractBackend, validatorAddress, caps, ownerAddress, minDeposit, minVoterCap, big.NewInt(150), big.NewInt(1296000), big.NewInt(86400)) @@ -48,4 +64,4 @@ func DeployValidator(transactOpts *bind.TransactOpts, contractBackend bind.Contr } return validatorAddr, validator, nil -} \ No newline at end of file +} diff --git a/contracts/validatorReader.go b/contracts/validatorReader.go deleted file mode 100644 index 517103019d..0000000000 --- a/contracts/validatorReader.go +++ /dev/null @@ -1,88 +0,0 @@ -package contracts - -import ( - "math/big" - - "github.com/ethereum/go-ethereum/accounts/abi" - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/core/state" - "github.com/ethereum/go-ethereum/crypto" -) - -var ( - slotValidatorMapping = map[string]uint64{ - "withdrawsState": 0, - "validatorsState": 1, - "voters": 2, - "candidates": 3, - "candidateCount": 4, - "minCandidateCap": 5, - "minVoterCap": 6, - "maxValidatorNumber": 7, - "candidateWithdrawDelay": 8, - "voterWithdrawDelay": 9, - } -) - -func GetCandidates(statedb *state.StateDB) []common.Address { - slot := slotValidatorMapping["candidates"] - slotHash := common.BigToHash(new(big.Int).SetUint64(slot)) - arrLength := statedb.GetState(common.HexToAddress(common.MasternodeVotingSMC), slotHash) - keys := []common.Hash{} - for i := uint64(0); i < arrLength.Big().Uint64(); i++ { - key := getLocDynamicArrAtElement(slotHash, i, 1) - keys = append(keys, key) - } - rets := []common.Address{} - for _, key := range keys { - ret := statedb.GetState(common.HexToAddress(common.MasternodeVotingSMC), key) - rets = append(rets, common.HexToAddress(ret.Hex())) - } - return rets -} - -func GetCandidateOwner(statedb *state.StateDB, candidate common.Address) common.Address { - slot := slotValidatorMapping["validatorsState"] - // validatorsState[_candidate].owner; - locValidatorsState := getLocMappingAtKey(candidate.Hash(), slot) - locCandidateOwner := locValidatorsState.Add(locValidatorsState, new(big.Int).SetUint64(uint64(0))) - ret := statedb.GetState(common.HexToAddress(common.MasternodeVotingSMC), common.BigToHash(locCandidateOwner)) - return common.HexToAddress(ret.Hex()) -} - -func GetCandidateCap(statedb *state.StateDB, parsed abi.ABI, candidate common.Address) string { - slot := slotValidatorMapping["validatorsState"] - // validatorsState[_candidate].cap; - locValidatorsState := getLocMappingAtKey(candidate.Hash(), slot) - locCandidateCap := locValidatorsState.Add(locValidatorsState, new(big.Int).SetUint64(uint64(1))) - ret := statedb.GetState(common.HexToAddress(common.MasternodeVotingSMC), common.BigToHash(locCandidateCap)) - return ret.Hex() -} - -func GetVoters(statedb *state.StateDB, candidate common.Address) []common.Address { - //mapping(address => address[]) voters; - slot := slotValidatorMapping["voters"] - locVoters := getLocMappingAtKey(candidate.Hash(), slot) - arrLength := statedb.GetState(common.HexToAddress(common.MasternodeVotingSMC), common.BigToHash(locVoters)) - keys := []common.Hash{} - for i := uint64(0); i < arrLength.Big().Uint64(); i++ { - key := getLocDynamicArrAtElement(common.BigToHash(locVoters), i, 1) - keys = append(keys, key) - } - rets := []common.Address{} - for _, key := range keys { - ret := statedb.GetState(common.HexToAddress(common.MasternodeVotingSMC), key) - rets = append(rets, common.HexToAddress(ret.Hex())) - } - - return rets -} - -func GetVoterCap(state *state.StateDB, candidate, voter common.Address) *big.Int { - slot := slotValidatorMapping["validatorsState"] - locValidatorsState := getLocMappingAtKey(candidate.Hash(), slot) - locCandidateVoters := locValidatorsState.Add(locValidatorsState, new(big.Int).SetUint64(uint64(2))) - retByte := crypto.Keccak256(voter.Hash().Bytes(), common.BigToHash(locCandidateVoters).Bytes()) - ret := state.GetState(common.HexToAddress(common.MasternodeVotingSMC), common.BytesToHash(retByte)) - return ret.Big() -} From 8692c76a38a3d89212308adb1995c0dbf7eaaebb Mon Sep 17 00:00:00 2001 From: AnilChinchawale Date: Tue, 12 Mar 2019 12:33:59 +0530 Subject: [PATCH 2/2] hot fix smartcontract --- contracts/blockSignerReader.go | 33 + .../multisigwallet/contract/multisigwallet.go | 6 +- contracts/randomizeReader.go | 37 + contracts/smcUtils.go | 34 + contracts/test.go | 282 ++++++++ contracts/utils.go | 104 +-- contracts/validator/contract/XDCValidator.abi | 656 ------------------ contracts/validator/contract/XDCValidator.bin | 1 - contracts/validator/contract/XDCValidator.sol | 143 +--- contracts/validator/contract/validator.go | 262 +------ contracts/validator/validator.go | 13 +- contracts/validator/validator_test.go | 84 ++- contracts/validatorReader.go | 88 +++ 13 files changed, 631 insertions(+), 1112 deletions(-) create mode 100644 contracts/blockSignerReader.go create mode 100644 contracts/randomizeReader.go create mode 100644 contracts/smcUtils.go create mode 100644 contracts/test.go delete mode 100644 contracts/validator/contract/XDCValidator.abi delete mode 100644 contracts/validator/contract/XDCValidator.bin create mode 100644 contracts/validatorReader.go diff --git a/contracts/blockSignerReader.go b/contracts/blockSignerReader.go new file mode 100644 index 0000000000..46b72e889a --- /dev/null +++ b/contracts/blockSignerReader.go @@ -0,0 +1,33 @@ +package contracts + +import ( + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/core/state" + "github.com/ethereum/go-ethereum/core/types" +) + +var ( + slotBlockSignerMapping = map[string]uint64{ + "blockSigners": 0, + "blocks": 1, + } +) + +func GetSigners(statedb *state.StateDB, block *types.Block) []common.Address { + slot := slotBlockSignerMapping["blockSigners"] + keys := []common.Hash{} + keyArrSlot := getLocMappingAtKey(block.Hash(), slot) + arrSlot := statedb.GetState(common.HexToAddress(common.BlockSigners), common.BigToHash(keyArrSlot)) + arrLength := arrSlot.Big().Uint64() + for i := uint64(0); i < arrLength; i++ { + key := getLocDynamicArrAtElement(common.BigToHash(keyArrSlot), i, 1) + keys = append(keys, key) + } + rets := []common.Address{} + for _, key := range keys { + ret := statedb.GetState(common.HexToAddress(common.BlockSigners), key) + rets = append(rets, common.HexToAddress(ret.Hex())) + } + + return rets +} diff --git a/contracts/multisigwallet/contract/multisigwallet.go b/contracts/multisigwallet/contract/multisigwallet.go index fd5401f632..8cd1109197 100644 --- a/contracts/multisigwallet/contract/multisigwallet.go +++ b/contracts/multisigwallet/contract/multisigwallet.go @@ -436,7 +436,7 @@ func (_MultiSigWallet *MultiSigWalletCallerSession) Owners(arg0 *big.Int) (commo return _MultiSigWallet.Contract.Owners(&_MultiSigWallet.CallOpts, arg0) } -// Required is a free data retrieval call binding the contract method 0XDC8452cd. +// Required is a free data retrieval call binding the contract method 0xdc8452cd. // // Solidity: function required() constant returns(uint256) func (_MultiSigWallet *MultiSigWalletCaller) Required(opts *bind.CallOpts) (*big.Int, error) { @@ -448,14 +448,14 @@ func (_MultiSigWallet *MultiSigWalletCaller) Required(opts *bind.CallOpts) (*big return *ret0, err } -// Required is a free data retrieval call binding the contract method 0XDC8452cd. +// Required is a free data retrieval call binding the contract method 0xdc8452cd. // // Solidity: function required() constant returns(uint256) func (_MultiSigWallet *MultiSigWalletSession) Required() (*big.Int, error) { return _MultiSigWallet.Contract.Required(&_MultiSigWallet.CallOpts) } -// Required is a free data retrieval call binding the contract method 0XDC8452cd. +// Required is a free data retrieval call binding the contract method 0xdc8452cd. // // Solidity: function required() constant returns(uint256) func (_MultiSigWallet *MultiSigWalletCallerSession) Required() (*big.Int, error) { diff --git a/contracts/randomizeReader.go b/contracts/randomizeReader.go new file mode 100644 index 0000000000..173e82afbb --- /dev/null +++ b/contracts/randomizeReader.go @@ -0,0 +1,37 @@ +package contracts + +import ( + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/core/state" +) + +var ( + slotRandomizeMapping = map[string]uint64{ + "randomSecret": 0, + "randomOpening": 1, + } +) + +func GetSecret(statedb *state.StateDB, address common.Address) [][32]byte { + slot := slotRandomizeMapping["randomSecret"] + locSecret := getLocMappingAtKey(address.Hash(), slot) + arrLength := statedb.GetState(common.HexToAddress(common.RandomizeSMC), common.BigToHash(locSecret)) + keys := []common.Hash{} + for i := uint64(0); i < arrLength.Big().Uint64(); i++ { + key := getLocDynamicArrAtElement(common.BigToHash(locSecret), i, 1) + keys = append(keys, key) + } + rets := [][32]byte{} + for _, key := range keys { + ret := statedb.GetState(common.HexToAddress(common.RandomizeSMC), key) + rets = append(rets, ret) + } + return rets +} + +func GetOpening(statedb *state.StateDB, address common.Address) [32]byte { + slot := slotRandomizeMapping["randomOpening"] + locOpening := getLocMappingAtKey(address.Hash(), slot) + ret := statedb.GetState(common.HexToAddress(common.RandomizeSMC), common.BigToHash(locOpening)) + return ret +} diff --git a/contracts/smcUtils.go b/contracts/smcUtils.go new file mode 100644 index 0000000000..8c71c78164 --- /dev/null +++ b/contracts/smcUtils.go @@ -0,0 +1,34 @@ +package contracts + +import ( + "math/big" + + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/crypto" +) + +func getLocSimpleVariable(slot uint64) common.Hash { + slotHash := common.BigToHash(new(big.Int).SetUint64(slot)) + return slotHash +} + +func getLocMappingAtKey(key common.Hash, slot uint64) *big.Int { + slotHash := common.BigToHash(new(big.Int).SetUint64(slot)) + retByte := crypto.Keccak256(key.Bytes(), slotHash.Bytes()) + ret := new(big.Int) + ret.SetBytes(retByte) + return ret +} + +func getLocDynamicArrAtElement(slotHash common.Hash, index uint64, elementSize uint64) common.Hash { + slotKecBig := crypto.Keccak256Hash(slotHash.Bytes()).Big() + //arrBig = slotKecBig + index * elementSize + arrBig := slotKecBig.Add(slotKecBig, new(big.Int).SetUint64(index*elementSize)) + return common.BigToHash(arrBig) +} + +func getLocFixedArrAtElement(slot uint64, index uint64, elementSize uint64) common.Hash { + slotBig := new(big.Int).SetUint64(slot) + arrBig := slotBig.Add(slotBig, new(big.Int).SetUint64(index*elementSize)) + return common.BigToHash(arrBig) +} diff --git a/contracts/test.go b/contracts/test.go new file mode 100644 index 0000000000..5a7a99b209 --- /dev/null +++ b/contracts/test.go @@ -0,0 +1,282 @@ +package contracts + +// +//import ( +// "fmt" +// "math/big" +// "time" +// +// "github.com/ethereum/go-ethereum/common" +// "github.com/ethereum/go-ethereum/core" +// "github.com/ethereum/go-ethereum/core/state" +// "github.com/ethereum/go-ethereum/crypto" +// "github.com/ethereum/go-ethereum/ethdb" +// "github.com/ethereum/go-ethereum/core/types" +//) +// +//var ( +// slotValidatorMapping = map[string]uint64{ +// "withdrawsState": 0, +// "validatorsState": 1, +// "voters": 2, +// "candidates": 3, +// "candidateCount": 4, +// "minCandidateCap": 5, +// "minVoterCap": 6, +// "maxValidatorNumber": 7, +// "candidateWithdrawDelay": 8, +// "voterWithdrawDelay": 9, +// } +// slotBlockSignerMapping = map[string]uint64{ +// "blockSigners": 0, +// "blocks": 1, +// } +// slotRandomizeMapping = map[string]uint64{ +// "randomSecret": 0, +// "randomOpening": 1, +// } +// datadir = "/mnt/sgp1_tuna_chaindata3/data/XDC/chaindata" +// candidate = "0xd6fa3e7a89bf8c84f0ccd204a15c0d259daf2091" +//) +// +//func main() { +// //Init +// chaindb, err := ethdb.NewLDBDatabase(datadir, 0, 0) +// if err != nil || chaindb == nil { +// fmt.Printf("Can't get chaindb: %v", err) +// return +// } +// headHash := core.GetHeadBlockHash(chaindb) +// blockNumber := core.GetBlockNumber(chaindb, headHash) +// block := core.GetBlock(chaindb, headHash, blockNumber) +// if block == nil { +// fmt.Println("Can't get head block") +// return +// } +// database := state.NewDatabase(chaindb) +// headerRootHash := block.Header().Root +// headHeaderHash := core.GetHeadHeaderHash(chaindb) +// statedb, _ := state.New(headHeaderHash, database) +// if statedb == nil { +// headHeaderHash = headerRootHash +// } +// candidateAddress := common.HexToAddress(candidate) +// fmt.Printf("Block head :%d, header root:%v\n", blockNumber, headerRootHash.Hex()) +// statedb, _ = state.New(headHeaderHash, database) +// if statedb == nil { +// fmt.Println("Can't get state db") +// return +// } +// +// //GetCandidates +// _ = GetCandidates(statedb) +// +// //GetCandidateOwner +// _ = GetCandidateOwner(statedb, candidateAddress) +// +// //GetCandidateCap +// _ = GetCandidateCap(statedb, candidateAddress) +// +// //GetVoters +// voters := GetVoters(statedb, candidateAddress) +// +// start := time.Now() +// fmt.Printf("--------GetVoterCap---------\n") +// for _, voter := range voters { +// //GetVoterCap +// _ = GetVoterCap(statedb, candidateAddress, voter) +// } +// elapsed := time.Since(start) +// fmt.Printf("Execution time: %s\n", elapsed) +// +// //GetSigners +// blockInput := core.GetBlock(chaindb, common.HexToHash("0x632f2403ea19697082d794900275632eb3373f7a9943b1407461995bbbc2816a"), uint64(1800)) +// _ = GetSigners(statedb, blockInput) +// +// //GetOpening +// _ = GetOpening(statedb, candidateAddress) +// //GetSecret +// _ = GetSecret(statedb, candidateAddress) +//} +// +//func GetCandidates(statedb *state.StateDB) []common.Address { +// start := time.Now() +// fmt.Printf("--------GetCandidates---------\n") +// +// slot := slotValidatorMapping["candidates"] +// slotHash := common.BigToHash(new(big.Int).SetUint64(slot)) +// arrLength := statedb.GetState(common.HexToAddress(common.MasternodeVotingSMC), slotHash) +// fmt.Printf("Candidates length: %v\n", arrLength.Hex()) +// keys := []common.Hash{} +// for i := uint64(0); i < arrLength.Big().Uint64(); i++ { +// key := getLocDynamicArrAtElement(slotHash, i, 1) +// keys = append(keys, key) +// } +// rets := []common.Address{} +// for _, key := range keys { +// ret := statedb.GetState(common.HexToAddress(common.MasternodeVotingSMC), key) +// rets = append(rets, common.HexToAddress(ret.Hex())) +// fmt.Printf("%v\n", common.HexToAddress(ret.Hex()).Hex()) +// } +// elapsed := time.Since(start) +// fmt.Printf("Execution time: %s\n", elapsed) +// return rets +//} +// +//func GetCandidateOwner(statedb *state.StateDB, candidate common.Address) common.Address { +// start := time.Now() +// fmt.Printf("--------GetCandidateOwner---------\n") +// +// slot := slotValidatorMapping["validatorsState"] +// // validatorsState[_candidate].owner; +// locValidatorsState := getLocMappingAtKey(candidate.Hash(), slot) +// locCandidateOwner := locValidatorsState.Add(locValidatorsState, new(big.Int).SetUint64(uint64(0))) +// ret := statedb.GetState(common.HexToAddress(common.MasternodeVotingSMC), common.BigToHash(locCandidateOwner)) +// fmt.Printf("ret: %v\n", common.HexToAddress(ret.Hex()).Hex()) +// +// elapsed := time.Since(start) +// fmt.Printf("Execution time: %s\n", elapsed) +// return common.HexToAddress(ret.Hex()) +//} +// +//func GetCandidateCap(statedb *state.StateDB, candidate common.Address) string { +// start := time.Now() +// fmt.Printf("--------GetCandidateCap---------\n") +// +// slot := slotValidatorMapping["validatorsState"] +// // validatorsState[_candidate].cap; +// locValidatorsState := getLocMappingAtKey(candidate.Hash(), slot) +// locCandidateCap := locValidatorsState.Add(locValidatorsState, new(big.Int).SetUint64(uint64(1))) +// ret := statedb.GetState(common.HexToAddress(common.MasternodeVotingSMC), common.BigToHash(locCandidateCap)) +// fmt.Printf("cap: %v\n", ret.Big().String()) +// +// elapsed := time.Since(start) +// fmt.Printf("Execution time: %s\n", elapsed) +// return ret.Hex() +//} +// +//func GetVoterCap(state *state.StateDB, candidate, voter common.Address) *big.Int { +// //validatorsState[_candidate].voters[_voter] +// slot := slotValidatorMapping["validatorsState"] +// locValidatorsState := getLocMappingAtKey(candidate.Hash(), slot) +// locCandidateVoters := locValidatorsState.Add(locValidatorsState, new(big.Int).SetUint64(uint64(2))) +// retByte := crypto.Keccak256(voter.Hash().Bytes(), common.BigToHash(locCandidateVoters).Bytes()) +// ret := state.GetState(common.HexToAddress(common.MasternodeVotingSMC), common.BytesToHash(retByte)) +// fmt.Printf("voter: %v - cap: %v\n", voter.Hex(), ret.Big().String()) +// return ret.Big() +//} +// +//func GetVoters(statedb *state.StateDB, candidate common.Address) []common.Address { +// start := time.Now() +// fmt.Printf("--------GetVoters---------\n") +// +// //mapping(address => address[]) voters; +// slot := slotValidatorMapping["voters"] +// locVoters := getLocMappingAtKey(candidate.Hash(), slot) +// arrLength := statedb.GetState(common.HexToAddress(common.MasternodeVotingSMC), common.BigToHash(locVoters)) +// fmt.Printf("Voters length: %v\n", arrLength.Hex()) +// keys := []common.Hash{} +// for i := uint64(0); i < arrLength.Big().Uint64(); i++ { +// key := getLocDynamicArrAtElement(common.BigToHash(locVoters), i, 1) +// keys = append(keys, key) +// } +// rets := []common.Address{} +// for _, key := range keys { +// ret := statedb.GetState(common.HexToAddress(common.MasternodeVotingSMC), key) +// rets = append(rets, common.HexToAddress(ret.Hex())) +// fmt.Printf("%v\n", common.HexToAddress(ret.Hex()).Hex()) +// } +// +// elapsed := time.Since(start) +// fmt.Printf("Execution time: %s\n", elapsed) +// return rets +//} +// +//func GetSigners(statedb *state.StateDB, block *types.Block) []common.Address { +// methodName := "getSigners" +// fmt.Printf("---%s---\n", methodName) +// start := time.Now() +// slot := slotBlockSignerMapping["blockSigners"] +// keys := []common.Hash{} +// keyArrSlot := getLocMappingAtKey(block.Hash(), slot) +// arrSlot := statedb.GetState(common.HexToAddress(common.BlockSigners), common.BigToHash(keyArrSlot)) +// arrLength := arrSlot.Big().Uint64() +// for i := uint64(0); i < arrLength; i++ { +// key := getLocDynamicArrAtElement(common.BigToHash(keyArrSlot), i, 1) +// keys = append(keys, key) +// } +// rets := []common.Address{} +// for _, key := range keys { +// ret := statedb.GetState(common.HexToAddress(common.BlockSigners), key) +// rets = append(rets, common.HexToAddress(ret.Hex())) +// fmt.Printf("%v\n", common.HexToAddress(ret.Hex()).Hex()) +// } +// +// elapsed := time.Since(start) +// fmt.Printf("Execution time: %s\n", elapsed) +// return rets +//} +// +//func GetSecret(statedb *state.StateDB, address common.Address) [][32]byte { +// start := time.Now() +// fmt.Printf("--------GetSecret---------\n") +// +// slot := slotRandomizeMapping["randomSecret"] +// locSecret := getLocMappingAtKey(address.Hash(), slot) +// arrLength := statedb.GetState(common.HexToAddress(common.RandomizeSMC), common.BigToHash(locSecret)) +// fmt.Printf("Secret length: %v\n", arrLength.Hex()) +// keys := []common.Hash{} +// for i := uint64(0); i < arrLength.Big().Uint64(); i++ { +// key := getLocDynamicArrAtElement(common.BigToHash(locSecret), i, 1) +// keys = append(keys, key) +// } +// rets := [][32]byte{} +// for _, key := range keys { +// ret := statedb.GetState(common.HexToAddress(common.RandomizeSMC), key) +// rets = append(rets, ret) +// fmt.Printf("ret hex: %v - ret byte: %v\n", ret.Hex(), ret.Bytes()) +// } +// elapsed := time.Since(start) +// +// fmt.Printf("Execution time: %s\n", elapsed) +// return rets +//} +// +//func GetOpening(statedb *state.StateDB, address common.Address) [32]byte { +// start := time.Now() +// fmt.Printf("--------GetOpening---------\n") +// +// slot := slotRandomizeMapping["randomOpening"] +// locOpening := getLocMappingAtKey(address.Hash(), slot) +// ret := statedb.GetState(common.HexToAddress(common.RandomizeSMC), common.BigToHash(locOpening)) +// fmt.Printf("ret hex: %v - ret byte: %v\n", ret.Hex(), ret.Bytes()) +// elapsed := time.Since(start) +// fmt.Printf("Execution time: %s\n", elapsed) +// return ret +//} +// +// +////////////////////////////////////// +///////////// Common lib ///////////// +////////////////////////////////////// +// +//func getLocMappingAtKey(key common.Hash, slot uint64) *big.Int { +// slotHash := common.BigToHash(new(big.Int).SetUint64(slot)) +// retByte := crypto.Keccak256(key.Bytes(), slotHash.Bytes()) +// ret := new(big.Int) +// ret.SetBytes(retByte) +// return ret +//} +// +//func getLocDynamicArrAtElement(slotHash common.Hash, index uint64, elementSize uint64) common.Hash { +// slotKecBig := crypto.Keccak256Hash(slotHash.Bytes()).Big() +// //arrBig = slotKecBig + index * elementSize +// arrBig := slotKecBig.Add(slotKecBig, new(big.Int).SetUint64(index*elementSize)) +// return common.BigToHash(arrBig) +//} +// +//func getLocFixedArrAtElement(slot uint64, index uint64, elementSize uint64) common.Hash { +// slotBig := new(big.Int).SetUint64(slot) +// arrBig := slotBig.Add(slotBig, new(big.Int).SetUint64(index*elementSize)) +// return common.BigToHash(arrBig) +//} diff --git a/contracts/utils.go b/contracts/utils.go index 21dd0f799c..7b9b9638dd 100644 --- a/contracts/utils.go +++ b/contracts/utils.go @@ -38,7 +38,6 @@ import ( "github.com/ethereum/go-ethereum/consensus/XDPoS" "github.com/ethereum/go-ethereum/contracts/blocksigner/contract" randomizeContract "github.com/ethereum/go-ethereum/contracts/randomize/contract" - contractValidator "github.com/ethereum/go-ethereum/contracts/validator/contract" "github.com/ethereum/go-ethereum/core" "github.com/ethereum/go-ethereum/core/state" "github.com/ethereum/go-ethereum/core/types" @@ -85,7 +84,8 @@ func CreateTransactionSign(chainConfig *params.ChainConfig, pool *core.TxPool, m // Add tx signed to local tx pool. err = pool.AddLocal(txSigned) if err != nil { - log.Warn("Fail to add tx sign to local pool.", "error", err, "number", block.NumberU64(), "hash", block.Hash().Hex(), "from", account.Address, "nonce", nonce) + log.Error("Fail to add tx sign to local pool.", "error", err, "number", block.NumberU64(), "hash", block.Hash().Hex(), "from", account.Address, "nonce", nonce) + return err } // Create secret tx. @@ -114,6 +114,7 @@ func CreateTransactionSign(chainConfig *params.ChainConfig, pool *core.TxPool, m err = pool.AddLocal(txSigned) if err != nil { log.Error("Fail to add tx secret to local pool.", "error", err, "number", block.NumberU64(), "hash", block.Hash().Hex(), "from", account.Address, "nonce", nonce) + return err } // Put randomize key into chainDb. @@ -125,6 +126,7 @@ func CreateTransactionSign(chainConfig *params.ChainConfig, pool *core.TxPool, m randomizeKeyValue, err := chainDb.Get(randomizeKeyName) if err != nil { log.Error("Fail to get randomize key from state db.", "error", err) + return err } tx, err := BuildTxOpeningRandomize(nonce+1, common.HexToAddress(common.RandomizeSMC), randomizeKeyValue) @@ -141,6 +143,7 @@ func CreateTransactionSign(chainConfig *params.ChainConfig, pool *core.TxPool, m err = pool.AddLocal(txSigned) if err != nil { log.Error("Fail to add tx opening to local pool.", "error", err, "number", block.NumberU64(), "hash", block.Hash().Hex(), "from", account.Address, "nonce", nonce) + return err } // Clear randomize key in state db. @@ -195,7 +198,12 @@ func BuildTxOpeningRandomize(nonce uint64, randomizeAddr common.Address, randomi } // Get signers signed for blockNumber from blockSigner contract. -func GetSignersFromContract(addrBlockSigner common.Address, client bind.ContractBackend, blockHash common.Hash) ([]common.Address, error) { +func GetSignersFromContract(state *state.StateDB, block *types.Block) ([]common.Address, error) { + return GetSigners(state, block), nil +} + +// Get signers signed for blockNumber from blockSigner contract. +func GetSignersByExecutingEVM(addrBlockSigner common.Address, client bind.ContractBackend, blockHash common.Hash) ([]common.Address, error) { blockSigner, err := contract.NewBlockSigner(addrBlockSigner, client) if err != nil { log.Error("Fail get instance of blockSigner", "error", err) @@ -207,7 +215,6 @@ func GetSignersFromContract(addrBlockSigner common.Address, client bind.Contract log.Error("Fail get block signers", "error", err) return nil, err } - return addrs, nil } @@ -289,6 +296,7 @@ func DecryptRandomizeFromSecretsAndOpening(secrets [][32]byte, opening [32]byte) intNumber, err := strconv.Atoi(decryptSecret) if err != nil { log.Error("Can not convert string to integer", "error", err) + return -1, err } random = int64(intNumber) } @@ -299,23 +307,44 @@ func DecryptRandomizeFromSecretsAndOpening(secrets [][32]byte, opening [32]byte) } // Calculate reward for reward checkpoint. -func GetRewardForCheckpoint(chain consensus.ChainReader, blockSignerAddr common.Address, number uint64, rCheckpoint uint64, client bind.ContractBackend, totalSigner *uint64) (map[common.Address]*rewardLog, error) { +func GetRewardForCheckpoint(c *XDPoS.XDPoS, chain consensus.ChainReader, header *types.Header, rCheckpoint uint64, totalSigner *uint64) (map[common.Address]*rewardLog, error) { // Not reward for singer of genesis block and only calculate reward at checkpoint block. + number := header.Number.Uint64() prevCheckpoint := number - (rCheckpoint * 2) startBlockNumber := prevCheckpoint + 1 endBlockNumber := startBlockNumber + rCheckpoint - 1 signers := make(map[common.Address]*rewardLog) - prevHeaderCheckpoint := chain.GetHeaderByNumber(prevCheckpoint) - masternodes := XDPoS.GetMasternodesFromCheckpointHeader(prevHeaderCheckpoint) + mapBlkHash := map[uint64]common.Hash{} - if len(masternodes) > 0 { - for i := startBlockNumber; i <= endBlockNumber; i++ { - block := chain.GetHeaderByNumber(i) - addrs, err := GetSignersFromContract(blockSignerAddr, client, block.Hash()) - if err != nil { - log.Error("Fail to get signers from smartcontract.", "error", err, "blockNumber", i) - return nil, err + data := make(map[common.Hash][]common.Address) + for i := prevCheckpoint + (rCheckpoint * 2) - 1; i >= startBlockNumber; i-- { + header = chain.GetHeader(header.ParentHash, i) + mapBlkHash[i] = header.Hash() + signData, ok := c.BlockSigners.Get(header.Hash()) + if !ok { + log.Debug("Failed get from cached", "hash", header.Hash().String(), "number", i) + block := chain.GetBlock(header.Hash(), i) + txs := block.Transactions() + if !chain.Config().IsTIPSigning(header.Number) { + receipts := core.GetBlockReceipts(c.GetDb(), header.Hash(), i) + signData = c.CacheData(header, txs, receipts) + } else { + signData = c.CacheSigner(header.Hash(), txs) } + } + txs := signData.([]*types.Transaction) + for _, tx := range txs { + blkHash := common.BytesToHash(tx.Data()[len(tx.Data())-32:]) + from := *tx.From() + data[blkHash] = append(data[blkHash], from) + } + } + header = chain.GetHeader(header.ParentHash, prevCheckpoint) + masternodes := XDPoS.GetMasternodesFromCheckpointHeader(header) + + for i := startBlockNumber; i <= endBlockNumber; i++ { + if i%common.MergeSignRange == 0 || !chain.Config().IsTIP2019(big.NewInt(int64(i))) { + addrs := data[mapBlkHash[i]] // Filter duplicate address. if len(addrs) > 0 { addrSigners := make(map[common.Address]bool) @@ -374,46 +403,27 @@ func CalculateRewardForSigner(chainReward *big.Int, signers map[common.Address]* } // Get candidate owner by address. -func GetCandidatesOwnerBySigner(validator *contractValidator.XDCValidator, signerAddr common.Address) common.Address { - owner := signerAddr - opts := new(bind.CallOpts) - owner, err := validator.GetCandidateOwner(opts, signerAddr) - if err != nil { - log.Error("Fail get candidate owner", "error", err) - return owner - } - +func GetCandidatesOwnerBySigner(state *state.StateDB, signerAddr common.Address) common.Address { + owner := GetCandidateOwner(state, signerAddr) return owner } -// Calculate reward for holders. -func CalculateRewardForHolders(foudationWalletAddr common.Address, validator *contractValidator.XDCValidator, state *state.StateDB, signer common.Address, calcReward *big.Int) (error, map[common.Address]*big.Int) { - rewards, err := GetRewardBalancesRate(foudationWalletAddr, signer, calcReward, validator) +func CalculateRewardForHolders(foundationWalletAddr common.Address, state *state.StateDB, signer common.Address, calcReward *big.Int, blockNumber uint64) (error, map[common.Address]*big.Int) { + rewards, err := GetRewardBalancesRate(foundationWalletAddr, state, signer, calcReward, blockNumber) if err != nil { return err, nil } - if len(rewards) > 0 { - for holder, reward := range rewards { - state.AddBalance(holder, reward) - } - } return nil, rewards } -// Get reward balance rates for master node, founder and holders. -func GetRewardBalancesRate(foudationWalletAddr common.Address, masterAddr common.Address, totalReward *big.Int, validator *contractValidator.XDCValidator) (map[common.Address]*big.Int, error) { - owner := GetCandidatesOwnerBySigner(validator, masterAddr) +func GetRewardBalancesRate(foundationWalletAddr common.Address, state *state.StateDB, masterAddr common.Address, totalReward *big.Int, blockNumber uint64) (map[common.Address]*big.Int, error) { + owner := GetCandidatesOwnerBySigner(state, masterAddr) balances := make(map[common.Address]*big.Int) rewardMaster := new(big.Int).Mul(totalReward, new(big.Int).SetInt64(common.RewardMasterPercent)) rewardMaster = new(big.Int).Div(rewardMaster, new(big.Int).SetInt64(100)) balances[owner] = rewardMaster // Get voters for masternode. - opts := new(bind.CallOpts) - voters, err := validator.GetVoters(opts, masterAddr) - if err != nil { - log.Error("Fail to get voters", "error", err) - return nil, err - } + voters := GetVoters(state, masterAddr) if len(voters) > 0 { totalVoterReward := new(big.Int).Mul(totalReward, new(big.Int).SetUint64(common.RewardVoterPercent)) @@ -422,12 +432,10 @@ func GetRewardBalancesRate(foudationWalletAddr common.Address, masterAddr common // Get voters capacities. voterCaps := make(map[common.Address]*big.Int) for _, voteAddr := range voters { - voterCap, err := validator.GetVoterCap(opts, masterAddr, voteAddr) - if err != nil { - log.Error("Fail to get vote capacity", "error", err) - return nil, err + if _, ok := voterCaps[voteAddr]; ok && common.TIP2019Block.Uint64() <= blockNumber { + continue } - + voterCap := GetVoterCap(state, masterAddr, voteAddr) totalCap.Add(totalCap, voterCap) voterCaps[voteAddr] = voterCap } @@ -447,9 +455,9 @@ func GetRewardBalancesRate(foudationWalletAddr common.Address, masterAddr common } } - foudationReward := new(big.Int).Mul(totalReward, new(big.Int).SetInt64(common.RewardFoundationPercent)) - foudationReward = new(big.Int).Div(foudationReward, new(big.Int).SetInt64(100)) - balances[foudationWalletAddr] = foudationReward + foundationReward := new(big.Int).Mul(totalReward, new(big.Int).SetInt64(common.RewardFoundationPercent)) + foundationReward = new(big.Int).Div(foundationReward, new(big.Int).SetInt64(100)) + balances[foundationWalletAddr] = foundationReward jsonHolders, err := json.Marshal(balances) if err != nil { diff --git a/contracts/validator/contract/XDCValidator.abi b/contracts/validator/contract/XDCValidator.abi deleted file mode 100644 index 5684b9a075..0000000000 --- a/contracts/validator/contract/XDCValidator.abi +++ /dev/null @@ -1,656 +0,0 @@ -[ - { - "constant": false, - "inputs": [ - { - "name": "_candidate", - "type": "address" - } - ], - "name": "propose", - "outputs": [], - "payable": true, - "stateMutability": "payable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_candidate", - "type": "address" - } - ], - "name": "resign", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_candidate", - "type": "address" - }, - { - "name": "_cap", - "type": "uint256" - } - ], - "name": "unvote", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "kychash", - "type": "string" - } - ], - "name": "uploadKYC", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_candidate", - "type": "address" - } - ], - "name": "vote", - "outputs": [], - "payable": true, - "stateMutability": "payable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_invalidCandidate", - "type": "address" - } - ], - "name": "voteInvalidKYC", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "constant": false, - "inputs": [ - { - "name": "_blockNumber", - "type": "uint256" - }, - { - "name": "_index", - "type": "uint256" - } - ], - "name": "withdraw", - "outputs": [], - "payable": false, - "stateMutability": "nonpayable", - "type": "function" - }, - { - "inputs": [ - { - "name": "_candidates", - "type": "address[]" - }, - { - "name": "_caps", - "type": "uint256[]" - }, - { - "name": "_firstOwner", - "type": "address" - }, - { - "name": "_minCandidateCap", - "type": "uint256" - }, - { - "name": "_minVoterCap", - "type": "uint256" - }, - { - "name": "_maxValidatorNumber", - "type": "uint256" - }, - { - "name": "_candidateWithdrawDelay", - "type": "uint256" - }, - { - "name": "_voterWithdrawDelay", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "constructor" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": false, - "name": "_voter", - "type": "address" - }, - { - "indexed": false, - "name": "_candidate", - "type": "address" - }, - { - "indexed": false, - "name": "_cap", - "type": "uint256" - } - ], - "name": "Vote", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": false, - "name": "_voter", - "type": "address" - }, - { - "indexed": false, - "name": "_candidate", - "type": "address" - }, - { - "indexed": false, - "name": "_cap", - "type": "uint256" - } - ], - "name": "Unvote", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": false, - "name": "_owner", - "type": "address" - }, - { - "indexed": false, - "name": "_candidate", - "type": "address" - }, - { - "indexed": false, - "name": "_cap", - "type": "uint256" - } - ], - "name": "Propose", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": false, - "name": "_owner", - "type": "address" - }, - { - "indexed": false, - "name": "_candidate", - "type": "address" - } - ], - "name": "Resign", - "type": "event" - }, - { - "anonymous": false, - "inputs": [ - { - "indexed": false, - "name": "_owner", - "type": "address" - }, - { - "indexed": false, - "name": "_blockNumber", - "type": "uint256" - }, - { - "indexed": false, - "name": "_cap", - "type": "uint256" - } - ], - "name": "Withdraw", - "type": "event" - }, - { - "constant": true, - "inputs": [], - "name": "candidateCount", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "uint256" - } - ], - "name": "candidates", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "candidateWithdrawDelay", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "_candidate", - "type": "address" - } - ], - "name": "getCandidateCap", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "_candidate", - "type": "address" - } - ], - "name": "getCandidateOwner", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "getCandidates", - "outputs": [ - { - "name": "", - "type": "address[]" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "_address", - "type": "address" - } - ], - "name": "getKYC", - "outputs": [ - { - "name": "", - "type": "string" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "getOwnerCount", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "_candidate", - "type": "address" - }, - { - "name": "_voter", - "type": "address" - } - ], - "name": "getVoterCap", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "_candidate", - "type": "address" - } - ], - "name": "getVoters", - "outputs": [ - { - "name": "", - "type": "address[]" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "getWithdrawBlockNumbers", - "outputs": [ - { - "name": "", - "type": "uint256[]" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "_blockNumber", - "type": "uint256" - } - ], - "name": "getWithdrawCap", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "address" - }, - { - "name": "", - "type": "address" - } - ], - "name": "hasVotedInvalid", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "address" - } - ], - "name": "invalidKYCCount", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "_invalidCandidate", - "type": "address" - } - ], - "name": "invalidPercent", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "_candidate", - "type": "address" - } - ], - "name": "isCandidate", - "outputs": [ - { - "name": "", - "type": "bool" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "address" - } - ], - "name": "KYCString", - "outputs": [ - { - "name": "", - "type": "string" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "maxValidatorNumber", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "minCandidateCap", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "minVoterCap", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "uint256" - } - ], - "name": "owners", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [ - { - "name": "", - "type": "address" - }, - { - "name": "", - "type": "uint256" - } - ], - "name": "ownerToCandidate", - "outputs": [ - { - "name": "", - "type": "address" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - }, - { - "constant": true, - "inputs": [], - "name": "voterWithdrawDelay", - "outputs": [ - { - "name": "", - "type": "uint256" - } - ], - "payable": false, - "stateMutability": "view", - "type": "function" - } -] \ No newline at end of file diff --git a/contracts/validator/contract/XDCValidator.bin b/contracts/validator/contract/XDCValidator.bin deleted file mode 100644 index 4c3c64e1dc..0000000000 --- a/contracts/validator/contract/XDCValidator.bin +++ /dev/null @@ -1 +0,0 @@ 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\ No newline at end of file diff --git a/contracts/validator/contract/XDCValidator.sol b/contracts/validator/contract/XDCValidator.sol index e35159507a..73a8dea5d9 100644 --- a/contracts/validator/contract/XDCValidator.sol +++ b/contracts/validator/contract/XDCValidator.sol @@ -1,54 +1,8 @@ pragma solidity ^0.4.21; -// This contract is under development. -// Refer to readme for further details. +import "./libs/SafeMath.sol"; - -library SafeMath { - - /** - * @dev Multiplies two numbers, throws on overflow. - */ - function mul(uint256 a, uint256 b) internal pure returns (uint256) { - if (a == 0) { - return 0; - } - uint256 c = a * b; - assert(c / a == b); - return c; - } - - /** - * @dev Integer division of two numbers, truncating the quotient. - */ - function div(uint256 a, uint256 b) internal pure returns (uint256) { - // assert(b > 0); // Solidity automatically throws when dividing by 0 - // uint256 c = a / b; - // assert(a == b * c + a % b); // There is no case in which this doesn't hold - return a / b; - } - - /** - * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). - */ - function sub(uint256 a, uint256 b) internal pure returns (uint256) { - assert(b <= a); - return a - b; - } - - /** - * @dev Adds two numbers, throws on overflow. - */ - function add(uint256 a, uint256 b) internal pure returns (uint256) { - uint256 c = a + b; - assert(c >= a); - return c; - } -} - - - -contract XDCValidator { +contract XDCalidator { using SafeMath for uint256; event Vote(address _voter, address _candidate, uint256 _cap); @@ -73,14 +27,6 @@ contract XDCValidator { mapping(address => ValidatorState) validatorsState; mapping(address => address[]) voters; - - // Mapping structures added for KYC feature. - mapping(address => string) public KYCString; - mapping(address => uint) public invalidKYCCount; - mapping(address => mapping(address => bool)) public hasVotedInvalid; - mapping(address => address[]) public ownerToCandidate; - address[] public owners; - address[] public candidates; uint256 public candidateCount = 0; @@ -91,26 +37,16 @@ contract XDCValidator { uint256 public voterWithdrawDelay; modifier onlyValidCandidateCap { - // anyone can deposit X XDC to become a candidate + // anyone can deposit X XDCto become a candidate require(msg.value >= minCandidateCap); _; } modifier onlyValidVoterCap { - require(msg.value >= minVoterCap); _; } - modifier onlyKYCWhitelisted { - if(bytes(KYCString[msg.sender]).length != 0) - {_;} - else{ - if (ownerToCandidate[msg.sender].length > 0) - {_;} - } - } - modifier onlyOwner(address _candidate) { require(validatorsState[_candidate].owner == msg.sender); _; @@ -147,7 +83,7 @@ contract XDCValidator { _; } - function XDCValidator ( + function XDCalidator ( address[] _candidates, uint256[] _caps, address _firstOwner, @@ -163,7 +99,7 @@ contract XDCValidator { candidateWithdrawDelay = _candidateWithdrawDelay; voterWithdrawDelay = _voterWithdrawDelay; candidateCount = _candidates.length; - owners.push(_firstOwner); + for (uint256 i = 0; i < _candidates.length; i++) { candidates.push(_candidates[i]); validatorsState[_candidates[i]] = ValidatorState({ @@ -172,20 +108,11 @@ contract XDCValidator { cap: _caps[i] }); voters[_candidates[i]].push(_firstOwner); - ownerToCandidate[_firstOwner].push(_candidates[i]); validatorsState[_candidates[i]].voters[_firstOwner] = minCandidateCap; } } - - // uploadKYC : anyone can upload a KYC; its not equivalent to becoming an owner. - function uploadKYC(string kychash) external { - require(bytes(KYCString[msg.sender]).length==0); - KYCString[msg.sender]=kychash; - } - - // propose : any non-candidate who has uploaded its KYC can become an owner by proposing a candidate. - function propose(address _candidate) external payable onlyValidCandidateCap onlyKYCWhitelisted onlyNotCandidate(_candidate) { + function propose(address _candidate) external payable onlyValidCandidateCap onlyNotCandidate(_candidate) { uint256 cap = validatorsState[_candidate].cap.add(msg.value); candidates.push(_candidate); validatorsState[_candidate] = ValidatorState({ @@ -195,11 +122,6 @@ contract XDCValidator { }); validatorsState[_candidate].voters[msg.sender] = validatorsState[_candidate].voters[msg.sender].add(msg.value); candidateCount = candidateCount.add(1); - if (ownerToCandidate[msg.sender].length ==0){ - owners.push(msg.sender); - - } - ownerToCandidate[msg.sender].push(_candidate); voters[_candidate].push(msg.sender); emit Propose(msg.sender, _candidate, msg.value); } @@ -276,59 +198,6 @@ contract XDCValidator { emit Resign(msg.sender, _candidate); } - // voteInvalidKYC : any candidate can vote for invalid KYC i.e. a particular candidate's owner has uploaded a bad KYC. - // On securing 75% votes against an owner ( not candidate ), owner & all its candidates will lose their funds. - function voteInvalidKYC(address _invalidCandidate) onlyValidCandidate(msg.sender) onlyValidCandidate(_invalidCandidate) public { - address candidateOwner = getCandidateOwner(msg.sender); - address _invalidMasternode = getCandidateOwner(_invalidCandidate); - require(!hasVotedInvalid[candidateOwner][_invalidMasternode]); - hasVotedInvalid[candidateOwner][_invalidMasternode] = true; - invalidKYCCount[_invalidMasternode] += 1; - if( invalidKYCCount[_invalidMasternode]*100/getOwnerCount() >= 75 ){ - // 75% owners say that the KYC is invalid - for (uint i=0;i 0 { + totalVoterReward := new(big.Int).Mul(totalReward, new(big.Int).SetUint64(common.RewardVoterPercent)) + totalVoterReward = new(big.Int).Div(totalVoterReward, new(big.Int).SetUint64(100)) + totalCap := new(big.Int) + // Get voters capacities. + voterCaps := make(map[common.Address]*big.Int) + for _, voteAddr := range voters { + var voterCap *big.Int + + voterCap, err = validator.GetVoterCap(opts, masterAddr, voteAddr) + if err != nil { + log.Crit("Fail to get vote capacity", "error", err) + } + + totalCap.Add(totalCap, voterCap) + voterCaps[voteAddr] = voterCap + } + if totalCap.Cmp(new(big.Int).SetInt64(0)) > 0 { + for addr, voteCap := range voterCaps { + // Only valid voter has cap > 0. + if voteCap.Cmp(new(big.Int).SetInt64(0)) > 0 { + rcap := new(big.Int).Mul(totalVoterReward, voteCap) + rcap = new(big.Int).Div(rcap, totalCap) + if balances[addr] != nil { + balances[addr].Add(balances[addr], rcap) + } else { + balances[addr] = rcap + } + } + } + } + } + + foudationReward := new(big.Int).Mul(totalReward, new(big.Int).SetInt64(common.RewardFoundationPercent)) + foudationReward = new(big.Int).Div(foudationReward, new(big.Int).SetInt64(100)) + balances[foudationWalletAddr] = foudationReward + + jsonHolders, err := json.Marshal(balances) + if err != nil { + log.Error("Fail to parse json holders", "error", err) + return nil, err + } + log.Info("Holders reward", "holders", string(jsonHolders), "master node", masterAddr.String()) + + return balances, nil +} + +func GetCandidatesOwnerBySigner(validator *contractValidator.XDCValidator, signerAddr common.Address) common.Address { + owner := signerAddr + opts := new(bind.CallOpts) + owner, err := validator.GetCandidateOwner(opts, signerAddr) + if err != nil { + log.Error("Fail get candidate owner", "error", err) + return owner + } + + return owner +} diff --git a/contracts/validatorReader.go b/contracts/validatorReader.go new file mode 100644 index 0000000000..517103019d --- /dev/null +++ b/contracts/validatorReader.go @@ -0,0 +1,88 @@ +package contracts + +import ( + "math/big" + + "github.com/ethereum/go-ethereum/accounts/abi" + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/core/state" + "github.com/ethereum/go-ethereum/crypto" +) + +var ( + slotValidatorMapping = map[string]uint64{ + "withdrawsState": 0, + "validatorsState": 1, + "voters": 2, + "candidates": 3, + "candidateCount": 4, + "minCandidateCap": 5, + "minVoterCap": 6, + "maxValidatorNumber": 7, + "candidateWithdrawDelay": 8, + "voterWithdrawDelay": 9, + } +) + +func GetCandidates(statedb *state.StateDB) []common.Address { + slot := slotValidatorMapping["candidates"] + slotHash := common.BigToHash(new(big.Int).SetUint64(slot)) + arrLength := statedb.GetState(common.HexToAddress(common.MasternodeVotingSMC), slotHash) + keys := []common.Hash{} + for i := uint64(0); i < arrLength.Big().Uint64(); i++ { + key := getLocDynamicArrAtElement(slotHash, i, 1) + keys = append(keys, key) + } + rets := []common.Address{} + for _, key := range keys { + ret := statedb.GetState(common.HexToAddress(common.MasternodeVotingSMC), key) + rets = append(rets, common.HexToAddress(ret.Hex())) + } + return rets +} + +func GetCandidateOwner(statedb *state.StateDB, candidate common.Address) common.Address { + slot := slotValidatorMapping["validatorsState"] + // validatorsState[_candidate].owner; + locValidatorsState := getLocMappingAtKey(candidate.Hash(), slot) + locCandidateOwner := locValidatorsState.Add(locValidatorsState, new(big.Int).SetUint64(uint64(0))) + ret := statedb.GetState(common.HexToAddress(common.MasternodeVotingSMC), common.BigToHash(locCandidateOwner)) + return common.HexToAddress(ret.Hex()) +} + +func GetCandidateCap(statedb *state.StateDB, parsed abi.ABI, candidate common.Address) string { + slot := slotValidatorMapping["validatorsState"] + // validatorsState[_candidate].cap; + locValidatorsState := getLocMappingAtKey(candidate.Hash(), slot) + locCandidateCap := locValidatorsState.Add(locValidatorsState, new(big.Int).SetUint64(uint64(1))) + ret := statedb.GetState(common.HexToAddress(common.MasternodeVotingSMC), common.BigToHash(locCandidateCap)) + return ret.Hex() +} + +func GetVoters(statedb *state.StateDB, candidate common.Address) []common.Address { + //mapping(address => address[]) voters; + slot := slotValidatorMapping["voters"] + locVoters := getLocMappingAtKey(candidate.Hash(), slot) + arrLength := statedb.GetState(common.HexToAddress(common.MasternodeVotingSMC), common.BigToHash(locVoters)) + keys := []common.Hash{} + for i := uint64(0); i < arrLength.Big().Uint64(); i++ { + key := getLocDynamicArrAtElement(common.BigToHash(locVoters), i, 1) + keys = append(keys, key) + } + rets := []common.Address{} + for _, key := range keys { + ret := statedb.GetState(common.HexToAddress(common.MasternodeVotingSMC), key) + rets = append(rets, common.HexToAddress(ret.Hex())) + } + + return rets +} + +func GetVoterCap(state *state.StateDB, candidate, voter common.Address) *big.Int { + slot := slotValidatorMapping["validatorsState"] + locValidatorsState := getLocMappingAtKey(candidate.Hash(), slot) + locCandidateVoters := locValidatorsState.Add(locValidatorsState, new(big.Int).SetUint64(uint64(2))) + retByte := crypto.Keccak256(voter.Hash().Bytes(), common.BigToHash(locCandidateVoters).Bytes()) + ret := state.GetState(common.HexToAddress(common.MasternodeVotingSMC), common.BytesToHash(retByte)) + return ret.Big() +}