package statusgo import ( "encoding/hex" "encoding/json" "errors" "fmt" "os" "unsafe" validator "gopkg.in/go-playground/validator.v9" "github.com/ethereum/go-ethereum/log" signercore "github.com/ethereum/go-ethereum/signer/core" "github.com/status-im/zxcvbn-go" "github.com/status-im/zxcvbn-go/scoring" abi_spec "github.com/status-im/status-go/abi-spec" "github.com/status-im/status-go/api" "github.com/status-im/status-go/api/multiformat" "github.com/status-im/status-go/eth-node/types" "github.com/status-im/status-go/exportlogs" "github.com/status-im/status-go/extkeys" "github.com/status-im/status-go/images" "github.com/status-im/status-go/multiaccounts" "github.com/status-im/status-go/multiaccounts/accounts" "github.com/status-im/status-go/multiaccounts/settings" "github.com/status-im/status-go/params" "github.com/status-im/status-go/profiling" protocol "github.com/status-im/status-go/protocol" identityUtils "github.com/status-im/status-go/protocol/identity" "github.com/status-im/status-go/protocol/identity/alias" "github.com/status-im/status-go/protocol/identity/colorhash" "github.com/status-im/status-go/protocol/identity/emojihash" "github.com/status-im/status-go/server" "github.com/status-im/status-go/services/personal" "github.com/status-im/status-go/services/typeddata" "github.com/status-im/status-go/signal" "github.com/status-im/status-go/transactions" ) // OpenAccounts opens database and returns accounts list. func OpenAccounts(datadir string) string { statusBackend.UpdateRootDataDir(datadir) err := statusBackend.OpenAccounts() if err != nil { return makeJSONResponse(err) } accs, err := statusBackend.GetAccounts() if err != nil { return makeJSONResponse(err) } data, err := json.Marshal(accs) if err != nil { return makeJSONResponse(err) } return string(data) } // ExtractGroupMembershipSignatures extract public keys from tuples of content/signature. func ExtractGroupMembershipSignatures(signaturePairsStr string) string { var signaturePairs [][2]string if err := json.Unmarshal([]byte(signaturePairsStr), &signaturePairs); err != nil { return makeJSONResponse(err) } identities, err := statusBackend.ExtractGroupMembershipSignatures(signaturePairs) if err != nil { return makeJSONResponse(err) } data, err := json.Marshal(struct { Identities []string `json:"identities"` }{Identities: identities}) if err != nil { return makeJSONResponse(err) } return string(data) } // SignGroupMembership signs a string containing group membership information. func SignGroupMembership(content string) string { signature, err := statusBackend.SignGroupMembership(content) if err != nil { return makeJSONResponse(err) } data, err := json.Marshal(struct { Signature string `json:"signature"` }{Signature: signature}) if err != nil { return makeJSONResponse(err) } return string(data) } // GetNodeConfig returns the current config of the Status node func GetNodeConfig() string { conf, err := statusBackend.GetNodeConfig() if err != nil { return makeJSONResponse(err) } respJSON, err := json.Marshal(conf) if err != nil { return makeJSONResponse(err) } return string(respJSON) } // ValidateNodeConfig validates config for the Status node. func ValidateNodeConfig(configJSON string) string { var resp APIDetailedResponse _, err := params.NewConfigFromJSON(configJSON) // Convert errors to APIDetailedResponse switch err := err.(type) { case validator.ValidationErrors: resp = APIDetailedResponse{ Message: "validation: validation failed", FieldErrors: make([]APIFieldError, len(err)), } for i, ve := range err { resp.FieldErrors[i] = APIFieldError{ Parameter: ve.Namespace(), Errors: []APIError{ { Message: fmt.Sprintf("field validation failed on the '%s' tag", ve.Tag()), }, }, } } case error: resp = APIDetailedResponse{ Message: fmt.Sprintf("validation: %s", err.Error()), } case nil: resp = APIDetailedResponse{ Status: true, } } respJSON, err := json.Marshal(resp) if err != nil { return makeJSONResponse(err) } return string(respJSON) } // ResetChainData removes chain data from data directory. func ResetChainData() string { api.RunAsync(statusBackend.ResetChainData) return makeJSONResponse(nil) } // CallRPC calls public APIs via RPC. func CallRPC(inputJSON string) string { resp, err := statusBackend.CallRPC(inputJSON) if err != nil { return makeJSONResponse(err) } return resp } // CallPrivateRPC calls both public and private APIs via RPC. func CallPrivateRPC(inputJSON string) string { resp, err := statusBackend.CallPrivateRPC(inputJSON) if err != nil { return makeJSONResponse(err) } return resp } // VerifyAccountPassword verifies account password. func VerifyAccountPassword(keyStoreDir, address, password string) string { _, err := statusBackend.AccountManager().VerifyAccountPassword(keyStoreDir, address, password) return makeJSONResponse(err) } func VerifyDatabasePassword(keyUID, password string) string { return makeJSONResponse(statusBackend.VerifyDatabasePassword(keyUID, password)) } // MigrateKeyStoreDir migrates key files to a new directory func MigrateKeyStoreDir(accountData, password, oldDir, newDir string) string { var account multiaccounts.Account err := json.Unmarshal([]byte(accountData), &account) if err != nil { return makeJSONResponse(err) } err = statusBackend.MigrateKeyStoreDir(account, password, oldDir, newDir) if err != nil { return makeJSONResponse(err) } return makeJSONResponse(nil) } func login(accountData, password, configJSON string) error { var account multiaccounts.Account err := json.Unmarshal([]byte(accountData), &account) if err != nil { return err } var conf params.NodeConfig if configJSON != "" { err = json.Unmarshal([]byte(configJSON), &conf) if err != nil { return err } } api.RunAsync(func() error { log.Debug("start a node with account", "key-uid", account.KeyUID) err := statusBackend.StartNodeWithAccount(account, password, &conf) if err != nil { log.Error("failed to start a node", "key-uid", account.KeyUID, "error", err) return err } log.Debug("started a node with", "key-uid", account.KeyUID) return nil }) return nil } // Login loads a key file (for a given address), tries to decrypt it using the password, // to verify ownership if verified, purges all the previous identities from Whisper, // and injects verified key as shh identity. func Login(accountData, password string) string { err := login(accountData, password, "") if err != nil { return makeJSONResponse(err) } return makeJSONResponse(nil) } // Login loads a key file (for a given address), tries to decrypt it using the password, // to verify ownership if verified, purges all the previous identities from Whisper, // and injects verified key as shh identity. It then updates the accounts node db configuration // mergin the values received in the configJSON parameter func LoginWithConfig(accountData, password, configJSON string) string { err := login(accountData, password, configJSON) if err != nil { return makeJSONResponse(err) } return makeJSONResponse(nil) } // SaveAccountAndLogin saves account in status-go database.. func SaveAccountAndLogin(accountData, password, settingsJSON, configJSON, subaccountData string) string { var account multiaccounts.Account err := json.Unmarshal([]byte(accountData), &account) if err != nil { return makeJSONResponse(err) } var settings settings.Settings err = json.Unmarshal([]byte(settingsJSON), &settings) if err != nil { return makeJSONResponse(err) } var conf params.NodeConfig err = json.Unmarshal([]byte(configJSON), &conf) if err != nil { return makeJSONResponse(err) } var subaccs []*accounts.Account err = json.Unmarshal([]byte(subaccountData), &subaccs) if err != nil { return makeJSONResponse(err) } for i, acc := range subaccs { subaccs[i].KeyUID = account.KeyUID if acc.Chat { colorHash, err := colorhash.GenerateFor(string(acc.PublicKey.Bytes())) if err != nil { return makeJSONResponse(err) } account.ColorHash = colorHash colorID, err := identityUtils.ToColorID(string(acc.PublicKey.Bytes())) if err != nil { return makeJSONResponse(err) } account.ColorID = colorID break } } api.RunAsync(func() error { log.Debug("starting a node, and saving account with configuration", "key-uid", account.KeyUID) err := statusBackend.StartNodeWithAccountAndInitialConfig(account, password, settings, &conf, subaccs) if err != nil { log.Error("failed to start node and save account", "key-uid", account.KeyUID, "error", err) return err } log.Debug("started a node, and saved account", "key-uid", account.KeyUID) return nil }) return makeJSONResponse(nil) } // DeleteMultiaccount func DeleteMultiaccount(keyUID, keyStoreDir string) string { err := statusBackend.DeleteMultiaccount(keyUID, keyStoreDir) if err != nil { return makeJSONResponse(err) } return makeJSONResponse(nil) } // DeleteImportedKey func DeleteImportedKey(address, password, keyStoreDir string) string { err := statusBackend.DeleteImportedKey(address, password, keyStoreDir) if err != nil { return makeJSONResponse(err) } return makeJSONResponse(nil) } // InitKeystore initialize keystore before doing any operations with keys. func InitKeystore(keydir string) string { err := statusBackend.AccountManager().InitKeystore(keydir) return makeJSONResponse(err) } // SaveAccountAndLoginWithKeycard saves account in status-go database.. func SaveAccountAndLoginWithKeycard(accountData, password, settingsJSON, configJSON, subaccountData string, keyHex string) string { var account multiaccounts.Account err := json.Unmarshal([]byte(accountData), &account) if err != nil { return makeJSONResponse(err) } var settings settings.Settings err = json.Unmarshal([]byte(settingsJSON), &settings) if err != nil { return makeJSONResponse(err) } var conf params.NodeConfig err = json.Unmarshal([]byte(configJSON), &conf) if err != nil { return makeJSONResponse(err) } var subaccs []*accounts.Account err = json.Unmarshal([]byte(subaccountData), &subaccs) if err != nil { return makeJSONResponse(err) } api.RunAsync(func() error { log.Debug("starting a node, and saving account with configuration", "key-uid", account.KeyUID) err := statusBackend.SaveAccountAndStartNodeWithKey(account, password, settings, &conf, subaccs, keyHex) if err != nil { log.Error("failed to start node and save account", "key-uid", account.KeyUID, "error", err) return err } log.Debug("started a node, and saved account", "key-uid", account.KeyUID) return nil }) return makeJSONResponse(nil) } // LoginWithKeycard initializes an account with a chat key and encryption key used for PFS. // It purges all the previous identities from Whisper, and injects the key as shh identity. func LoginWithKeycard(accountData, password, keyHex string) string { var account multiaccounts.Account err := json.Unmarshal([]byte(accountData), &account) if err != nil { return makeJSONResponse(err) } api.RunAsync(func() error { log.Debug("start a node with account", "key-uid", account.KeyUID) err := statusBackend.StartNodeWithKey(account, password, keyHex) if err != nil { log.Error("failed to start a node", "key-uid", account.KeyUID, "error", err) return err } log.Debug("started a node with", "key-uid", account.KeyUID) return nil }) return makeJSONResponse(nil) } // Logout is equivalent to clearing whisper identities. func Logout() string { err := statusBackend.Logout() if err != nil { makeJSONResponse(err) } return makeJSONResponse(statusBackend.StopNode()) } // SignMessage unmarshals rpc params {data, address, password} and // passes them onto backend.SignMessage. func SignMessage(rpcParams string) string { var params personal.SignParams err := json.Unmarshal([]byte(rpcParams), ¶ms) if err != nil { return prepareJSONResponseWithCode(nil, err, codeFailedParseParams) } result, err := statusBackend.SignMessage(params) return prepareJSONResponse(result.String(), err) } // SignTypedData unmarshall data into TypedData, validate it and signs with selected account, // if password matches selected account. //export SignTypedData func SignTypedData(data, address, password string) string { var typed typeddata.TypedData err := json.Unmarshal([]byte(data), &typed) if err != nil { return prepareJSONResponseWithCode(nil, err, codeFailedParseParams) } if err := typed.Validate(); err != nil { return prepareJSONResponseWithCode(nil, err, codeFailedParseParams) } result, err := statusBackend.SignTypedData(typed, address, password) return prepareJSONResponse(result.String(), err) } // HashTypedData unmarshalls data into TypedData, validates it and hashes it. //export HashTypedData func HashTypedData(data string) string { var typed typeddata.TypedData err := json.Unmarshal([]byte(data), &typed) if err != nil { return prepareJSONResponseWithCode(nil, err, codeFailedParseParams) } if err := typed.Validate(); err != nil { return prepareJSONResponseWithCode(nil, err, codeFailedParseParams) } result, err := statusBackend.HashTypedData(typed) return prepareJSONResponse(result.String(), err) } // SignTypedDataV4 unmarshall data into TypedData, validate it and signs with selected account, // if password matches selected account. //export SignTypedDataV4 func SignTypedDataV4(data, address, password string) string { var typed signercore.TypedData err := json.Unmarshal([]byte(data), &typed) if err != nil { return prepareJSONResponseWithCode(nil, err, codeFailedParseParams) } result, err := statusBackend.SignTypedDataV4(typed, address, password) return prepareJSONResponse(result.String(), err) } // HashTypedDataV4 unmarshalls data into TypedData, validates it and hashes it. //export HashTypedDataV4 func HashTypedDataV4(data string) string { var typed signercore.TypedData err := json.Unmarshal([]byte(data), &typed) if err != nil { return prepareJSONResponseWithCode(nil, err, codeFailedParseParams) } result, err := statusBackend.HashTypedDataV4(typed) return prepareJSONResponse(result.String(), err) } // Recover unmarshals rpc params {signDataString, signedData} and passes // them onto backend. func Recover(rpcParams string) string { var params personal.RecoverParams err := json.Unmarshal([]byte(rpcParams), ¶ms) if err != nil { return prepareJSONResponseWithCode(nil, err, codeFailedParseParams) } addr, err := statusBackend.Recover(params) return prepareJSONResponse(addr.String(), err) } // SendTransactionWithChainID converts RPC args and calls backend.SendTransactionWithChainID. func SendTransactionWithChainID(chainID int, txArgsJSON, password string) string { var params transactions.SendTxArgs err := json.Unmarshal([]byte(txArgsJSON), ¶ms) if err != nil { return prepareJSONResponseWithCode(nil, err, codeFailedParseParams) } hash, err := statusBackend.SendTransactionWithChainID(uint64(chainID), params, password) code := codeUnknown if c, ok := errToCodeMap[err]; ok { code = c } return prepareJSONResponseWithCode(hash.String(), err, code) } // SendTransaction converts RPC args and calls backend.SendTransaction. func SendTransaction(txArgsJSON, password string) string { var params transactions.SendTxArgs err := json.Unmarshal([]byte(txArgsJSON), ¶ms) if err != nil { return prepareJSONResponseWithCode(nil, err, codeFailedParseParams) } hash, err := statusBackend.SendTransaction(params, password) code := codeUnknown if c, ok := errToCodeMap[err]; ok { code = c } return prepareJSONResponseWithCode(hash.String(), err, code) } // SendTransactionWithSignature converts RPC args and calls backend.SendTransactionWithSignature func SendTransactionWithSignature(txArgsJSON, sigString string) string { var params transactions.SendTxArgs err := json.Unmarshal([]byte(txArgsJSON), ¶ms) if err != nil { return prepareJSONResponseWithCode(nil, err, codeFailedParseParams) } sig, err := hex.DecodeString(sigString) if err != nil { return prepareJSONResponseWithCode(nil, err, codeFailedParseParams) } hash, err := statusBackend.SendTransactionWithSignature(params, sig) code := codeUnknown if c, ok := errToCodeMap[err]; ok { code = c } return prepareJSONResponseWithCode(hash.String(), err, code) } // HashTransaction validate the transaction and returns new txArgs and the transaction hash. func HashTransaction(txArgsJSON string) string { var params transactions.SendTxArgs err := json.Unmarshal([]byte(txArgsJSON), ¶ms) if err != nil { return prepareJSONResponseWithCode(nil, err, codeFailedParseParams) } newTxArgs, hash, err := statusBackend.HashTransaction(params) code := codeUnknown if c, ok := errToCodeMap[err]; ok { code = c } result := struct { Transaction transactions.SendTxArgs `json:"transaction"` Hash types.Hash `json:"hash"` }{ Transaction: newTxArgs, Hash: hash, } return prepareJSONResponseWithCode(result, err, code) } // HashMessage calculates the hash of a message to be safely signed by the keycard // The hash is calulcated as // keccak256("\x19Ethereum Signed Message:\n"${message length}${message}). // This gives context to the signed message and prevents signing of transactions. func HashMessage(message string) string { hash, err := api.HashMessage(message) code := codeUnknown if c, ok := errToCodeMap[err]; ok { code = c } return prepareJSONResponseWithCode(fmt.Sprintf("0x%x", hash), err, code) } // StartCPUProfile runs pprof for CPU. func StartCPUProfile(dataDir string) string { err := profiling.StartCPUProfile(dataDir) return makeJSONResponse(err) } // StopCPUProfiling stops pprof for cpu. func StopCPUProfiling() string { //nolint: deadcode err := profiling.StopCPUProfile() return makeJSONResponse(err) } //WriteHeapProfile starts pprof for heap func WriteHeapProfile(dataDir string) string { //nolint: deadcode err := profiling.WriteHeapFile(dataDir) return makeJSONResponse(err) } func makeJSONResponse(err error) string { errString := "" if err != nil { fmt.Fprintln(os.Stderr, err) errString = err.Error() } out := APIResponse{ Error: errString, } outBytes, _ := json.Marshal(out) return string(outBytes) } // AddPeer adds an enode as a peer. func AddPeer(enode string) string { err := statusBackend.StatusNode().AddPeer(enode) return makeJSONResponse(err) } // ConnectionChange handles network state changes as reported // by ReactNative (see https://facebook.github.io/react-native/docs/netinfo.html) func ConnectionChange(typ string, expensive int) { statusBackend.ConnectionChange(typ, expensive == 1) } // AppStateChange handles app state changes (background/foreground). func AppStateChange(state string) { statusBackend.AppStateChange(state) } // StartLocalNotifications func StartLocalNotifications() string { err := statusBackend.StartLocalNotifications() return makeJSONResponse(err) } // StopLocalNotifications func StopLocalNotifications() string { err := statusBackend.StopLocalNotifications() return makeJSONResponse(err) } // SetMobileSignalHandler setup geth callback to notify about new signal // used for gomobile builds func SetMobileSignalHandler(handler SignalHandler) { signal.SetMobileSignalHandler(func(data []byte) { if len(data) > 0 { handler.HandleSignal(string(data)) } }) } // SetSignalEventCallback setup geth callback to notify about new signal func SetSignalEventCallback(cb unsafe.Pointer) { signal.SetSignalEventCallback(cb) } // ExportNodeLogs reads current node log and returns content to a caller. //export ExportNodeLogs func ExportNodeLogs() string { node := statusBackend.StatusNode() if node == nil { return makeJSONResponse(errors.New("node is not running")) } config := node.Config() if config == nil { return makeJSONResponse(errors.New("config and log file are not available")) } data, err := json.Marshal(exportlogs.ExportFromBaseFile(config.LogFile)) if err != nil { return makeJSONResponse(fmt.Errorf("error marshalling to json: %v", err)) } return string(data) } // SignHash exposes vanilla ECDSA signing required for Swarm messages func SignHash(hexEncodedHash string) string { hexEncodedSignature, err := statusBackend.SignHash(hexEncodedHash) if err != nil { return makeJSONResponse(err) } return hexEncodedSignature } func GenerateAlias(pk string) string { // We ignore any error, empty string is considered an error name, _ := protocol.GenerateAlias(pk) return name } func IsAlias(value string) string { return prepareJSONResponse(alias.IsAlias(value), nil) } func Identicon(pk string) string { // We ignore any error, empty string is considered an error identicon, _ := protocol.Identicon(pk) return identicon } func EmojiHash(pk string) string { return prepareJSONResponse(emojihash.GenerateFor(pk)) } func ColorHash(pk string) string { return prepareJSONResponse(colorhash.GenerateFor(pk)) } func ColorID(pk string) string { return prepareJSONResponse(identityUtils.ToColorID(pk)) } func ValidateMnemonic(mnemonic string) string { m := extkeys.NewMnemonic() err := m.ValidateMnemonic(mnemonic, extkeys.Language(0)) return makeJSONResponse(err) } // SerializePublicKey compresses an uncompressed multibase encoded multicodec identified EC public key // For details on usage see specs https://specs.status.im/spec/2#public-key-serialization func MultiformatSerializePublicKey(key, outBase string) string { cpk, err := multiformat.SerializePublicKey(key, outBase) if err != nil { return makeJSONResponse(err) } return cpk } // DeserializePublicKey decompresses a compressed multibase encoded multicodec identified EC public key // For details on usage see specs https://specs.status.im/spec/2#public-key-serialization func MultiformatDeserializePublicKey(key, outBase string) string { pk, err := multiformat.DeserializePublicKey(key, outBase) if err != nil { return makeJSONResponse(err) } return pk } // ExportUnencryptedDatabase exports the database unencrypted to the given path func ExportUnencryptedDatabase(accountData, password, databasePath string) string { var account multiaccounts.Account err := json.Unmarshal([]byte(accountData), &account) if err != nil { return makeJSONResponse(err) } err = statusBackend.ExportUnencryptedDatabase(account, password, databasePath) if err != nil { return makeJSONResponse(err) } return makeJSONResponse(nil) } // ImportUnencryptedDatabase imports the database unencrypted to the given directory func ImportUnencryptedDatabase(accountData, password, databasePath string) string { var account multiaccounts.Account err := json.Unmarshal([]byte(accountData), &account) if err != nil { return makeJSONResponse(err) } err = statusBackend.ImportUnencryptedDatabase(account, password, databasePath) if err != nil { return makeJSONResponse(err) } return makeJSONResponse(nil) } func ChangeDatabasePassword(KeyUID, password, newPassword string) string { err := statusBackend.ChangeDatabasePassword(KeyUID, password, newPassword) if err != nil { return makeJSONResponse(err) } return makeJSONResponse(nil) } func ConvertToKeycardAccount(keyStoreDir, accountData, settingsJSON, password, newPassword string) string { var account multiaccounts.Account err := json.Unmarshal([]byte(accountData), &account) if err != nil { return makeJSONResponse(err) } var settings settings.Settings err = json.Unmarshal([]byte(settingsJSON), &settings) if err != nil { return makeJSONResponse(err) } err = statusBackend.ConvertToKeycardAccount(keyStoreDir, account, settings, password, newPassword) if err != nil { return makeJSONResponse(err) } return makeJSONResponse(nil) } func ImageServerTLSCert() string { cert, err := server.PublicTLSCert() if err != nil { return makeJSONResponse(err) } return cert } type GetPasswordStrengthRequest struct { Password string `json:"password"` UserInputs []string `json:"userInputs"` } type PasswordScoreResponse struct { Score int `json:"score"` } // GetPasswordStrength uses zxcvbn module and generates a JSON containing information about the quality of the given password // (Entropy, CrackTime, CrackTimeDisplay, Score, MatchSequence and CalcTime). // userInputs argument can be whatever list of strings like user's personal info or site-specific vocabulary that zxcvbn will // make use to determine the result. // For more details on usage see https://github.com/status-im/zxcvbn-go func GetPasswordStrength(paramsJSON string) string { var requestParams GetPasswordStrengthRequest err := json.Unmarshal([]byte(paramsJSON), &requestParams) if err != nil { return makeJSONResponse(err) } data, err := json.Marshal(zxcvbn.PasswordStrength(requestParams.Password, requestParams.UserInputs)) if err != nil { return makeJSONResponse(fmt.Errorf("Error marshalling to json: %v", err)) } return string(data) } // GetPasswordStrengthScore uses zxcvbn module and gets the score information about the given password. // userInputs argument can be whatever list of strings like user's personal info or site-specific vocabulary that zxcvbn will // make use to determine the result. // For more details on usage see https://github.com/status-im/zxcvbn-go func GetPasswordStrengthScore(paramsJSON string) string { var requestParams GetPasswordStrengthRequest var quality scoring.MinEntropyMatch err := json.Unmarshal([]byte(paramsJSON), &requestParams) if err != nil { return makeJSONResponse(err) } quality = zxcvbn.PasswordStrength(requestParams.Password, requestParams.UserInputs) data, err := json.Marshal(PasswordScoreResponse{ Score: quality.Score, }) if err != nil { return makeJSONResponse(fmt.Errorf("Error marshalling to json: %v", err)) } return string(data) } func SwitchFleet(fleet string, configJSON string) string { var conf params.NodeConfig if configJSON != "" { err := json.Unmarshal([]byte(configJSON), &conf) if err != nil { return makeJSONResponse(err) } } conf.ClusterConfig.Fleet = fleet err := statusBackend.SwitchFleet(fleet, &conf) return makeJSONResponse(err) } func GenerateImages(filepath string, aX, aY, bX, bY int) string { iis, err := images.GenerateIdentityImages(filepath, aX, aY, bX, bY) if err != nil { return makeJSONResponse(err) } data, err := json.Marshal(iis) if err != nil { return makeJSONResponse(fmt.Errorf("Error marshalling to json: %v", err)) } return string(data) } // GetConnectionStringForBeingBootstrapped starts a server.Receiving server.PairingServer // then generates a server.ConnectionParams. Used when the device is Logged out or has no Account keys // and the device has no camera to read a QR code with // // Example: A desktop device (device without camera) receiving account data from mobile (device with camera) func GetConnectionStringForBeingBootstrapped(configJSON string) string { if configJSON == "" { return makeJSONResponse(fmt.Errorf("no config given, PairingPayloadSourceConfig is expected")) } cs, err := server.StartUpPairingServer(statusBackend.GetMultiaccountDB(), server.Receiving, configJSON) if err != nil { return makeJSONResponse(err) } return cs } // GetConnectionStringForBootstrappingAnotherDevice starts a server.Sending server.PairingServer // then generates a server.ConnectionParams. Used when the device is Logged in and therefore has Account keys // and the device might not have a camera // // Example: A mobile or desktop device (devices that MAY have a camera but MUST have a screen) // sending account data to a mobile (device with camera) func GetConnectionStringForBootstrappingAnotherDevice(configJSON string) string { if configJSON == "" { return makeJSONResponse(fmt.Errorf("no config given, PairingPayloadSourceConfig is expected")) } cs, err := server.StartUpPairingServer(statusBackend.GetMultiaccountDB(), server.Sending, configJSON) if err != nil { return makeJSONResponse(err) } return cs } // InputConnectionStringForBootstrapping starts a server.PairingClient // The given server.ConnectionParams string will determine the server.Mode // // server.Mode = server.Sending // Used when the device is Logged in and therefore has Account keys and the has a camera to read a QR code // // Example: A mobile (device with camera) sending account data to a desktop device (device without camera) // // server.Mode = server.Receiving // Used when the device is Logged out or has no Account keys and has a camera to read a QR code // // Example: A mobile device (device with a camera) receiving account data from // a device with a screen (mobile or desktop devices) func InputConnectionStringForBootstrapping(cs, configJSON string) string { if configJSON == "" { return makeJSONResponse(fmt.Errorf("no config given, PairingPayloadSourceConfig is expected")) } err := server.StartUpPairingClient(statusBackend.GetMultiaccountDB(), cs, configJSON) return makeJSONResponse(err) } func EncodeTransfer(to string, value string) string { result, err := abi_spec.EncodeTransfer(to, value) if err != nil { log.Error("failed to encode transfer", "to", to, "value", value, "error", err) return "" } return result } func EncodeFunctionCall(method string, paramsJSON string) string { result, err := abi_spec.Encode(method, paramsJSON) if err != nil { log.Error("failed to encode function call", "method", method, "paramsJSON", paramsJSON, "error", err) } return result } func DecodeParameters(decodeParamJSON string) string { decodeParam := struct { BytesString string `json:"bytesString"` Types []string `json:"types"` }{} err := json.Unmarshal([]byte(decodeParamJSON), &decodeParam) if err != nil { log.Error("failed to unmarshal json when decoding parameters", "decodeParamJSON", decodeParamJSON, "error", err) return "" } result, err := abi_spec.Decode(decodeParam.BytesString, decodeParam.Types) if err != nil { log.Error("failed to decode parameters", "decodeParamJSON", decodeParamJSON, "error", err) return "" } bytes, err := json.Marshal(result) if err != nil { log.Error("failed to marshal result", "result", result, "decodeParamJSON", decodeParamJSON, "error", err) return "" } return string(bytes) } func HexToNumber(hex string) string { return abi_spec.HexToNumber(hex) } func NumberToHex(numString string) string { return abi_spec.NumberToHex(numString) }