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| 1 | +package mnemonicsgenerator |
| 2 | + |
| 3 | +import ( |
| 4 | + "crypto/sha256" |
| 5 | + "encoding/hex" |
| 6 | + "fmt" |
| 7 | + "os" |
| 8 | + "strings" |
| 9 | + |
| 10 | + valkeygen "github.com/KiraCore/tools/validator-key-gen/ValKeyGen" |
| 11 | + "github.com/cosmos/go-bip39" |
| 12 | + "github.com/tendermint/tendermint/crypto/ed25519" |
| 13 | + "github.com/tendermint/tendermint/p2p" |
| 14 | +) |
| 15 | + |
| 16 | +const ( |
| 17 | + DefaultValidatorNodeKeyFileName string = "validator_node_key.json" |
| 18 | + DefaultPrivValidatorKeyFileName string = "priv_validator_key.json" |
| 19 | + DefaultValidatorNodeIdFileName string = "validator_node_id.key" |
| 20 | + |
| 21 | + DefaultPrefix string = "kira" |
| 22 | + DefaultPath string = "44'/118'/0'/0/0" |
| 23 | +) |
| 24 | + |
| 25 | +type MasterMnemonicSet struct { |
| 26 | + ValidatorAddrMnemonic []byte |
| 27 | + ValidatorValMnemonic []byte |
| 28 | + SignerAddrMnemonic []byte |
| 29 | + ValidatorNodeMnemonic []byte |
| 30 | + ValidatorNodeId []byte |
| 31 | + PrivKeyMnemonic []byte |
| 32 | +} |
| 33 | + |
| 34 | +// returns nodeId from mnemonic |
| 35 | +func generateNodeIdFromMnemonic(mnemonic string) []byte { |
| 36 | + if err := valkeygen.CheckMnemonic(mnemonic); err != nil { |
| 37 | + fmt.Fprintln(os.Stderr, err) |
| 38 | + os.Exit(1) |
| 39 | + } |
| 40 | + |
| 41 | + tmPrivKey := ed25519.GenPrivKeyFromSecret([]byte(mnemonic)) |
| 42 | + filenodekey := p2p.NodeKey{ |
| 43 | + PrivKey: tmPrivKey, |
| 44 | + } |
| 45 | + nodeId := []byte(filenodekey.ID()) |
| 46 | + return nodeId |
| 47 | +} |
| 48 | + |
| 49 | +func createMnemonicsFile(path string, mnemonicData []byte) error { |
| 50 | + file, err := os.Create(path) |
| 51 | + if err != nil { |
| 52 | + fmt.Printf("Error creating %s file: %s", path, err) |
| 53 | + return err |
| 54 | + } |
| 55 | + defer file.Close() |
| 56 | + _, err = file.WriteString(string(mnemonicData)) |
| 57 | + if err != nil { |
| 58 | + fmt.Printf("Error creating %s file: %s", path, err) |
| 59 | + return err |
| 60 | + } |
| 61 | + return nil |
| 62 | +} |
| 63 | + |
| 64 | +// accepts name and typeOfMnemonic as salt and mnemonic, for example MnemonicGenerator --name="validator" --type="addr" - validator address |
| 65 | +func generateFromMasterMnemonic(name, typeOfMnemonic string, masterMnemonic []byte) ([]byte, error) { |
| 66 | + stringToHash := strings.ToLower(fmt.Sprintf("%s ; %s %s", masterMnemonic, name, typeOfMnemonic)) |
| 67 | + stringToHash = strings.ReplaceAll(stringToHash, " ", "") |
| 68 | + |
| 69 | + hasher := sha256.New() |
| 70 | + hasher.Write([]byte(stringToHash)) |
| 71 | + entropyHex := hex.EncodeToString(hasher.Sum(nil)) |
| 72 | + |
| 73 | + entropy, err := hex.DecodeString(entropyHex) |
| 74 | + if err != nil { |
| 75 | + return []byte{}, fmt.Errorf("error decoding hex string: %w", err) |
| 76 | + } |
| 77 | + |
| 78 | + mnemonic, err := bip39.NewMnemonic(entropy) |
| 79 | + if err != nil { |
| 80 | + return []byte{}, fmt.Errorf("error generating mnemonic: %w", err) |
| 81 | + } |
| 82 | + |
| 83 | + return []byte(mnemonic), nil |
| 84 | +} |
| 85 | + |
| 86 | +// # Generates set of mnemonics from master mnemonic, accepts masterMnemonic string as byte |
| 87 | +// |
| 88 | +// Default function call MasterKeysGen([]byte("mnemonic string"), "", "", "./path") |
| 89 | +// |
| 90 | +// go run .\main.go --mnemonic "want vanish frown filter resemble purchase trial baby equal never cinnamon claim wrap cash snake cable head tray few daring shine clip loyal series" --masterkeys .\test\ --master |
| 91 | +// |
| 92 | +// # FOR PACKAGE USAGE |
| 93 | +// |
| 94 | +// defaultPrefix: "kira" |
| 95 | +// |
| 96 | +// defaultPath: "44'/118'/0'/0/0" |
| 97 | +func MasterKeysGen(masterMnemonic []byte, defaultPrefix, defaultPath, masterkeys string) (mnemonicSet MasterMnemonicSet, err error) { |
| 98 | + err = valkeygen.CheckMnemonic(string(masterMnemonic)) |
| 99 | + if err != nil { |
| 100 | + fmt.Fprintln(os.Stderr, err) |
| 101 | + return mnemonicSet, err |
| 102 | + } |
| 103 | + |
| 104 | + ok, err := valkeygen.CheckPath([]string{masterkeys}) |
| 105 | + if err != nil { |
| 106 | + fmt.Fprintln(os.Stderr, err) |
| 107 | + fmt.Println(ok, masterkeys) |
| 108 | + return mnemonicSet, err |
| 109 | + } |
| 110 | + |
| 111 | + if ok { |
| 112 | + // VALIDATOR_NODE_MNEMONIC |
| 113 | + mnemonicSet.ValidatorNodeMnemonic, err = generateFromMasterMnemonic("validator", "node", masterMnemonic) |
| 114 | + if err != nil { |
| 115 | + fmt.Fprintln(os.Stderr, err) |
| 116 | + return mnemonicSet, err |
| 117 | + } |
| 118 | + |
| 119 | + // VALIDATOR_NODE_ID |
| 120 | + mnemonicSet.ValidatorNodeId = generateNodeIdFromMnemonic(string(mnemonicSet.ValidatorNodeMnemonic)) |
| 121 | + |
| 122 | + // VALIDATOR_ADDR_MNEMONIC |
| 123 | + mnemonicSet.ValidatorAddrMnemonic, err = generateFromMasterMnemonic("validator", "addr", masterMnemonic) |
| 124 | + if err != nil { |
| 125 | + fmt.Fprintln(os.Stderr, err) |
| 126 | + return mnemonicSet, err |
| 127 | + } |
| 128 | + |
| 129 | + // VALIDATOR_VAL_MNEMONIC |
| 130 | + mnemonicSet.ValidatorValMnemonic, err = generateFromMasterMnemonic("validator", "val", masterMnemonic) |
| 131 | + if err != nil { |
| 132 | + fmt.Fprintln(os.Stderr, err) |
| 133 | + return mnemonicSet, err |
| 134 | + } |
| 135 | + |
| 136 | + // SIGNER_ADDR_MNEMONIC |
| 137 | + mnemonicSet.SignerAddrMnemonic, err = generateFromMasterMnemonic("signer", "addr", masterMnemonic) |
| 138 | + if err != nil { |
| 139 | + fmt.Fprintln(os.Stderr, err) |
| 140 | + return mnemonicSet, err |
| 141 | + } |
| 142 | + |
| 143 | + // privKey mnemonic |
| 144 | + mnemonicSet.PrivKeyMnemonic, err = DerivePrivKeyMnemonicFromMasterMnemonic(masterMnemonic) |
| 145 | + if err != nil { |
| 146 | + fmt.Fprintln(os.Stderr, err) |
| 147 | + return mnemonicSet, err |
| 148 | + } |
| 149 | + |
| 150 | + if masterkeys != "" { |
| 151 | + // validator_node_key.json validator_node_id.key" files |
| 152 | + valkeygen.ValKeyGen(string(mnemonicSet.ValidatorNodeMnemonic), defaultPrefix, defaultPath, "", |
| 153 | + fmt.Sprintf("%s/%s", masterkeys, DefaultValidatorNodeKeyFileName), |
| 154 | + fmt.Sprintf("%s/%s", masterkeys, DefaultValidatorNodeIdFileName), |
| 155 | + false, false, false) |
| 156 | + |
| 157 | + // priv_validator_key.json files |
| 158 | + valkeygen.ValKeyGen(string(mnemonicSet.ValidatorValMnemonic), defaultPrefix, defaultPath, fmt.Sprintf("%s/%s", masterkeys, DefaultPrivValidatorKeyFileName), "", "", false, false, false) |
| 159 | + |
| 160 | + // mnemonics.env file |
| 161 | + dataToWrite := []byte(fmt.Sprintf("MASTER_MNEMONIC=%s\nVALIDATOR_ADDR_MNEMONIC=%s\nVALIDATOR_NODE_MNEMONIC=%s\nVALIDATOR_NODE_ID=%s\nVALIDATOR_VAL_MNEMONIC=%s\nSIGNER_ADDR_MNEMONIC=%s\n ", masterMnemonic, mnemonicSet.ValidatorAddrMnemonic, mnemonicSet.ValidatorNodeMnemonic, mnemonicSet.ValidatorNodeId, mnemonicSet.ValidatorValMnemonic, mnemonicSet.SignerAddrMnemonic)) |
| 162 | + |
| 163 | + err = createMnemonicsFile(fmt.Sprintf("%s/mnemonics.env", masterkeys), dataToWrite) |
| 164 | + if err != nil { |
| 165 | + fmt.Fprintln(os.Stderr, err) |
| 166 | + return mnemonicSet, err |
| 167 | + } |
| 168 | + dataToWrite = []byte{} |
| 169 | + |
| 170 | + } |
| 171 | + |
| 172 | + } |
| 173 | + return mnemonicSet, nil |
| 174 | +} |
| 175 | + |
| 176 | +// Accepts parent mnemonic as masterMnemonic and derives from it a PrivKeyMnemonic using generateFromMasterMnemonic func |
| 177 | +// salt is name and typeOfMnemonic hardcoded as const |
| 178 | +// |
| 179 | +// Constants: |
| 180 | +// name=priv, |
| 181 | +// typeOfMnemonic=key. |
| 182 | +func DerivePrivKeyMnemonicFromMasterMnemonic(masterMnemonic []byte) (privKey []byte, err error) { |
| 183 | + const name string = "priv" |
| 184 | + const typeOfMnemonic string = "key" |
| 185 | + err = valkeygen.CheckMnemonic(string(masterMnemonic)) |
| 186 | + if err != nil { |
| 187 | + return nil, err |
| 188 | + } |
| 189 | + privKey, err = generateFromMasterMnemonic(name, typeOfMnemonic, masterMnemonic) |
| 190 | + if err != nil { |
| 191 | + return nil, fmt.Errorf("error while generating ") |
| 192 | + } |
| 193 | + return |
| 194 | +} |
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