From 0b6a7ed1ad14c174562f4dce2534e59bd408c304 Mon Sep 17 00:00:00 2001 From: parmarrushabh Date: Sun, 24 Feb 2019 17:50:28 +0530 Subject: [PATCH] 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() -}