Documentation

Index

Constants

View Source
const (

	// ExternalAPIVersion -- see extapi_changelog.md
	ExternalAPIVersion = "6.0.0"
	// InternalAPIVersion -- see intapi_changelog.md
	InternalAPIVersion = "7.0.0"
)
View Source
const (
	WARN = "WARNING"
	CRIT = "CRITICAL"
	INFO = "Info"
)

Variables

View Source
var (
	IntendedValidator = SigFormat{
		accounts.MimetypeDataWithValidator,
		0x00,
	}
	DataTyped = SigFormat{
		accounts.MimetypeTypedData,
		0x01,
	}
	ApplicationClique = SigFormat{
		accounts.MimetypeClique,
		0x02,
	}
	TextPlain = SigFormat{
		accounts.MimetypeTextPlain,
		0x45,
	}
)
View Source
var ErrRequestDenied = errors.New("request denied")

Functions

func SignTextValidator

func SignTextValidator(validatorData ValidatorData) (hexutil.Bytes, string)

    SignTextWithValidator signs the given message which can be further recovered with the given validator. hash = keccak256("\x19\x00"${address}${data}).

    func StartClefAccountManager

    func StartClefAccountManager(ksLocation string, nousb, lightKDF bool, scpath string) *accounts.Manager

    func ValidatePasswordFormat

    func ValidatePasswordFormat(password string) error

      ValidatePasswordFormat returns an error if the password is too short, or consists of characters outside the range of the printable 7bit ascii set

      Types

      type AuditLogger

      type AuditLogger struct {
      	// contains filtered or unexported fields
      }

      func NewAuditLogger

      func NewAuditLogger(path string, api ExternalAPI) (*AuditLogger, error)

      func (*AuditLogger) EcRecover

      func (l *AuditLogger) EcRecover(ctx context.Context, data hexutil.Bytes, sig hexutil.Bytes) (common.Address, error)

      func (*AuditLogger) List

      func (l *AuditLogger) List(ctx context.Context) ([]common.Address, error)

      func (*AuditLogger) New

      func (l *AuditLogger) New(ctx context.Context) (common.Address, error)

      func (*AuditLogger) SignData

      func (l *AuditLogger) SignData(ctx context.Context, contentType string, addr common.MixedcaseAddress, data interface{}) (hexutil.Bytes, error)

      func (*AuditLogger) SignTransaction

      func (l *AuditLogger) SignTransaction(ctx context.Context, args SendTxArgs, methodSelector *string) (*ethapi.SignTransactionResult, error)

      func (*AuditLogger) SignTypedData

      func (l *AuditLogger) SignTypedData(ctx context.Context, addr common.MixedcaseAddress, data TypedData) (hexutil.Bytes, error)

      func (*AuditLogger) Version

      func (l *AuditLogger) Version(ctx context.Context) (string, error)

      type CommandlineUI

      type CommandlineUI struct {
      	// contains filtered or unexported fields
      }

      func NewCommandlineUI

      func NewCommandlineUI() *CommandlineUI

      func (*CommandlineUI) ApproveListing

      func (ui *CommandlineUI) ApproveListing(request *ListRequest) (ListResponse, error)

        ApproveListing prompt the user for confirmation to list accounts the list of accounts to list can be modified by the UI

        func (*CommandlineUI) ApproveNewAccount

        func (ui *CommandlineUI) ApproveNewAccount(request *NewAccountRequest) (NewAccountResponse, error)

          ApproveNewAccount prompt the user for confirmation to create new Account, and reveal to caller

          func (*CommandlineUI) ApproveSignData

          func (ui *CommandlineUI) ApproveSignData(request *SignDataRequest) (SignDataResponse, error)

            ApproveSignData prompt the user for confirmation to request to sign data

            func (*CommandlineUI) ApproveTx

            func (ui *CommandlineUI) ApproveTx(request *SignTxRequest) (SignTxResponse, error)

              ApproveTx prompt the user for confirmation to request to sign Transaction

              func (*CommandlineUI) OnApprovedTx

              func (ui *CommandlineUI) OnApprovedTx(tx ethapi.SignTransactionResult)

              func (*CommandlineUI) OnInputRequired

              func (ui *CommandlineUI) OnInputRequired(info UserInputRequest) (UserInputResponse, error)

              func (*CommandlineUI) OnSignerStartup

              func (ui *CommandlineUI) OnSignerStartup(info StartupInfo)

              func (*CommandlineUI) RegisterUIServer

              func (ui *CommandlineUI) RegisterUIServer(api *UIServerAPI)

              func (*CommandlineUI) ShowError

              func (ui *CommandlineUI) ShowError(message string)

                ShowError displays error message to user

                func (*CommandlineUI) ShowInfo

                func (ui *CommandlineUI) ShowInfo(message string)

                  ShowInfo displays info message to user

                  type ExternalAPI

                  type ExternalAPI interface {
                  	// List available accounts
                  	List(ctx context.Context) ([]common.Address, error)
                  	// New request to create a new account
                  	New(ctx context.Context) (common.Address, error)
                  	// SignTransaction request to sign the specified transaction
                  	SignTransaction(ctx context.Context, args SendTxArgs, methodSelector *string) (*ethapi.SignTransactionResult, error)
                  	// SignData - request to sign the given data (plus prefix)
                  	SignData(ctx context.Context, contentType string, addr common.MixedcaseAddress, data interface{}) (hexutil.Bytes, error)
                  	// SignTypedData - request to sign the given structured data (plus prefix)
                  	SignTypedData(ctx context.Context, addr common.MixedcaseAddress, data TypedData) (hexutil.Bytes, error)
                  	// EcRecover - recover public key from given message and signature
                  	EcRecover(ctx context.Context, data hexutil.Bytes, sig hexutil.Bytes) (common.Address, error)
                  	// Version info about the APIs
                  	Version(ctx context.Context) (string, error)
                  }

                    ExternalAPI defines the external API through which signing requests are made.

                    type ListRequest

                    type ListRequest struct {
                    	Accounts []accounts.Account `json:"accounts"`
                    	Meta     Metadata           `json:"meta"`
                    }

                      types for the requests/response types between signer and UI

                      type ListResponse

                      type ListResponse struct {
                      	Accounts []accounts.Account `json:"accounts"`
                      }

                        types for the requests/response types between signer and UI

                        type Message

                        type Message struct {
                        	Text string `json:"text"`
                        }

                          types for the requests/response types between signer and UI

                          type Metadata

                          type Metadata struct {
                          	Remote    string `json:"remote"`
                          	Local     string `json:"local"`
                          	Scheme    string `json:"scheme"`
                          	UserAgent string `json:"User-Agent"`
                          	Origin    string `json:"Origin"`
                          }

                            Metadata about a request

                            func MetadataFromContext

                            func MetadataFromContext(ctx context.Context) Metadata

                              MetadataFromContext extracts Metadata from a given context.Context

                              func (Metadata) String

                              func (m Metadata) String() string

                                String implements Stringer interface

                                type NameValueType

                                type NameValueType struct {
                                	Name  string      `json:"name"`
                                	Value interface{} `json:"value"`
                                	Typ   string      `json:"type"`
                                }

                                  NameValueType is a very simple struct with Name, Value and Type. It's meant for simple json structures used to communicate signing-info about typed data with the UI

                                  func (*NameValueType) Pprint

                                  func (nvt *NameValueType) Pprint(depth int) string

                                    Pprint returns a pretty-printed version of nvt

                                    type NewAccountRequest

                                    type NewAccountRequest struct {
                                    	Meta Metadata `json:"meta"`
                                    }

                                      types for the requests/response types between signer and UI

                                      type NewAccountResponse

                                      type NewAccountResponse struct {
                                      	Approved bool `json:"approved"`
                                      }

                                        types for the requests/response types between signer and UI

                                        type SendTxArgs

                                        type SendTxArgs struct {
                                        	From     common.MixedcaseAddress  `json:"from"`
                                        	To       *common.MixedcaseAddress `json:"to"`
                                        	Gas      hexutil.Uint64           `json:"gas"`
                                        	GasPrice hexutil.Big              `json:"gasPrice"`
                                        	Value    hexutil.Big              `json:"value"`
                                        	Nonce    hexutil.Uint64           `json:"nonce"`
                                        	// We accept "data" and "input" for backwards-compatibility reasons.
                                        	Data  *hexutil.Bytes `json:"data"`
                                        	Input *hexutil.Bytes `json:"input,omitempty"`
                                        }

                                          SendTxArgs represents the arguments to submit a transaction

                                          func (SendTxArgs) String

                                          func (args SendTxArgs) String() string

                                          type SigFormat

                                          type SigFormat struct {
                                          	Mime        string
                                          	ByteVersion byte
                                          }

                                          type SignDataRequest

                                          type SignDataRequest struct {
                                          	ContentType string                  `json:"content_type"`
                                          	Address     common.MixedcaseAddress `json:"address"`
                                          	Rawdata     []byte                  `json:"raw_data"`
                                          	Messages    []*NameValueType        `json:"messages"`
                                          	Hash        hexutil.Bytes           `json:"hash"`
                                          	Meta        Metadata                `json:"meta"`
                                          }

                                            types for the requests/response types between signer and UI

                                            type SignDataResponse

                                            type SignDataResponse struct {
                                            	Approved bool `json:"approved"`
                                            }

                                              types for the requests/response types between signer and UI

                                              type SignTxRequest

                                              type SignTxRequest struct {
                                              	Transaction SendTxArgs       `json:"transaction"`
                                              	Callinfo    []ValidationInfo `json:"call_info"`
                                              	Meta        Metadata         `json:"meta"`
                                              }

                                                SignTxRequest contains info about a Transaction to sign

                                                type SignTxResponse

                                                type SignTxResponse struct {
                                                	//The UI may make changes to the TX
                                                	Transaction SendTxArgs `json:"transaction"`
                                                	Approved    bool       `json:"approved"`
                                                }

                                                  SignTxResponse result from SignTxRequest

                                                  type SignerAPI

                                                  type SignerAPI struct {
                                                  	UI UIClientAPI
                                                  	// contains filtered or unexported fields
                                                  }

                                                    SignerAPI defines the actual implementation of ExternalAPI

                                                    func NewSignerAPI

                                                    func NewSignerAPI(am *accounts.Manager, chainID int64, noUSB bool, ui UIClientAPI, validator Validator, advancedMode bool, credentials storage.Storage) *SignerAPI

                                                      NewSignerAPI creates a new API that can be used for Account management. ksLocation specifies the directory where to store the password protected private key that is generated when a new Account is created. noUSB disables USB support that is required to support hardware devices such as ledger and trezor.

                                                      func (*SignerAPI) EcRecover

                                                      func (api *SignerAPI) EcRecover(ctx context.Context, data hexutil.Bytes, sig hexutil.Bytes) (common.Address, error)

                                                        EcRecover recovers the address associated with the given sig. Only compatible with `text/plain`

                                                        func (*SignerAPI) List

                                                        func (api *SignerAPI) List(ctx context.Context) ([]common.Address, error)

                                                          List returns the set of wallet this signer manages. Each wallet can contain multiple accounts.

                                                          func (*SignerAPI) New

                                                          func (api *SignerAPI) New(ctx context.Context) (common.Address, error)

                                                            New creates a new password protected Account. The private key is protected with the given password. Users are responsible to backup the private key that is stored in the keystore location thas was specified when this API was created.

                                                            func (*SignerAPI) SignData

                                                            func (api *SignerAPI) SignData(ctx context.Context, contentType string, addr common.MixedcaseAddress, data interface{}) (hexutil.Bytes, error)

                                                              SignData signs the hash of the provided data, but does so differently depending on the content-type specified.

                                                              Different types of validation occur.

                                                              func (*SignerAPI) SignTransaction

                                                              func (api *SignerAPI) SignTransaction(ctx context.Context, args SendTxArgs, methodSelector *string) (*ethapi.SignTransactionResult, error)

                                                                SignTransaction signs the given Transaction and returns it both as json and rlp-encoded form

                                                                func (*SignerAPI) SignTypedData

                                                                func (api *SignerAPI) SignTypedData(ctx context.Context, addr common.MixedcaseAddress, typedData TypedData) (hexutil.Bytes, error)

                                                                  SignTypedData signs EIP-712 conformant typed data hash = keccak256("\x19${byteVersion}${domainSeparator}${hashStruct(message)}")

                                                                  func (*SignerAPI) Version

                                                                  func (api *SignerAPI) Version(ctx context.Context) (string, error)

                                                                    Returns the external api version. This method does not require user acceptance. Available methods are available via enumeration anyway, and this info does not contain user-specific data

                                                                    type StartupInfo

                                                                    type StartupInfo struct {
                                                                    	Info map[string]interface{} `json:"info"`
                                                                    }

                                                                      types for the requests/response types between signer and UI

                                                                      type StdIOUI

                                                                      type StdIOUI struct {
                                                                      	// contains filtered or unexported fields
                                                                      }

                                                                      func NewStdIOUI

                                                                      func NewStdIOUI() *StdIOUI

                                                                      func (*StdIOUI) ApproveListing

                                                                      func (ui *StdIOUI) ApproveListing(request *ListRequest) (ListResponse, error)

                                                                      func (*StdIOUI) ApproveNewAccount

                                                                      func (ui *StdIOUI) ApproveNewAccount(request *NewAccountRequest) (NewAccountResponse, error)

                                                                      func (*StdIOUI) ApproveSignData

                                                                      func (ui *StdIOUI) ApproveSignData(request *SignDataRequest) (SignDataResponse, error)

                                                                      func (*StdIOUI) ApproveTx

                                                                      func (ui *StdIOUI) ApproveTx(request *SignTxRequest) (SignTxResponse, error)

                                                                      func (*StdIOUI) OnApprovedTx

                                                                      func (ui *StdIOUI) OnApprovedTx(tx ethapi.SignTransactionResult)

                                                                      func (*StdIOUI) OnInputRequired

                                                                      func (ui *StdIOUI) OnInputRequired(info UserInputRequest) (UserInputResponse, error)

                                                                      func (*StdIOUI) OnSignerStartup

                                                                      func (ui *StdIOUI) OnSignerStartup(info StartupInfo)

                                                                      func (*StdIOUI) RegisterUIServer

                                                                      func (ui *StdIOUI) RegisterUIServer(api *UIServerAPI)

                                                                      func (*StdIOUI) ShowError

                                                                      func (ui *StdIOUI) ShowError(message string)

                                                                      func (*StdIOUI) ShowInfo

                                                                      func (ui *StdIOUI) ShowInfo(message string)

                                                                      type Type

                                                                      type Type struct {
                                                                      	Name string `json:"name"`
                                                                      	Type string `json:"type"`
                                                                      }

                                                                      type TypePriority

                                                                      type TypePriority struct {
                                                                      	Type  string
                                                                      	Value uint
                                                                      }

                                                                      type TypedData

                                                                      type TypedData struct {
                                                                      	Types       Types            `json:"types"`
                                                                      	PrimaryType string           `json:"primaryType"`
                                                                      	Domain      TypedDataDomain  `json:"domain"`
                                                                      	Message     TypedDataMessage `json:"message"`
                                                                      }

                                                                      func (*TypedData) Dependencies

                                                                      func (typedData *TypedData) Dependencies(primaryType string, found []string) []string

                                                                        Dependencies returns an array of custom types ordered by their hierarchical reference tree

                                                                        func (*TypedData) EncodeData

                                                                        func (typedData *TypedData) EncodeData(primaryType string, data map[string]interface{}, depth int) (hexutil.Bytes, error)

                                                                          EncodeData generates the following encoding: `enc(value₁) ‖ enc(value₂) ‖ … ‖ enc(valueₙ)`

                                                                          each encoded member is 32-byte long

                                                                          func (*TypedData) EncodePrimitiveValue

                                                                          func (typedData *TypedData) EncodePrimitiveValue(encType string, encValue interface{}, depth int) ([]byte, error)

                                                                            EncodePrimitiveValue deals with the primitive values found while searching through the typed data

                                                                            func (*TypedData) EncodeType

                                                                            func (typedData *TypedData) EncodeType(primaryType string) hexutil.Bytes

                                                                              EncodeType generates the following encoding: `name ‖ "(" ‖ member₁ ‖ "," ‖ member₂ ‖ "," ‖ … ‖ memberₙ ")"`

                                                                              each member is written as `type ‖ " " ‖ name` encodings cascade down and are sorted by name

                                                                              func (*TypedData) Format

                                                                              func (typedData *TypedData) Format() ([]*NameValueType, error)

                                                                                Format returns a representation of typedData, which can be easily displayed by a user-interface without in-depth knowledge about 712 rules

                                                                                func (*TypedData) HashStruct

                                                                                func (typedData *TypedData) HashStruct(primaryType string, data TypedDataMessage) (hexutil.Bytes, error)

                                                                                  HashStruct generates a keccak256 hash of the encoding of the provided data

                                                                                  func (*TypedData) Map

                                                                                  func (typedData *TypedData) Map() map[string]interface{}

                                                                                    Map generates a map version of the typed data

                                                                                    func (*TypedData) TypeHash

                                                                                    func (typedData *TypedData) TypeHash(primaryType string) hexutil.Bytes

                                                                                      TypeHash creates the keccak256 hash of the data

                                                                                      type TypedDataDomain

                                                                                      type TypedDataDomain struct {
                                                                                      	Name              string                `json:"name"`
                                                                                      	Version           string                `json:"version"`
                                                                                      	ChainId           *math.HexOrDecimal256 `json:"chainId"`
                                                                                      	VerifyingContract string                `json:"verifyingContract"`
                                                                                      	Salt              string                `json:"salt"`
                                                                                      }

                                                                                      func (*TypedDataDomain) Map

                                                                                      func (domain *TypedDataDomain) Map() map[string]interface{}

                                                                                        Map is a helper function to generate a map version of the domain

                                                                                        type TypedDataMessage

                                                                                        type TypedDataMessage = map[string]interface{}

                                                                                        type Types

                                                                                        type Types map[string][]Type

                                                                                        type UIClientAPI

                                                                                        type UIClientAPI interface {
                                                                                        	// ApproveTx prompt the user for confirmation to request to sign Transaction
                                                                                        	ApproveTx(request *SignTxRequest) (SignTxResponse, error)
                                                                                        	// ApproveSignData prompt the user for confirmation to request to sign data
                                                                                        	ApproveSignData(request *SignDataRequest) (SignDataResponse, error)
                                                                                        	// ApproveListing prompt the user for confirmation to list accounts
                                                                                        	// the list of accounts to list can be modified by the UI
                                                                                        	ApproveListing(request *ListRequest) (ListResponse, error)
                                                                                        	// ApproveNewAccount prompt the user for confirmation to create new Account, and reveal to caller
                                                                                        	ApproveNewAccount(request *NewAccountRequest) (NewAccountResponse, error)
                                                                                        	// ShowError displays error message to user
                                                                                        	ShowError(message string)
                                                                                        	// ShowInfo displays info message to user
                                                                                        	ShowInfo(message string)
                                                                                        	// OnApprovedTx notifies the UI about a transaction having been successfully signed.
                                                                                        	// This method can be used by a UI to keep track of e.g. how much has been sent to a particular recipient.
                                                                                        	OnApprovedTx(tx ethapi.SignTransactionResult)
                                                                                        	// OnSignerStartup is invoked when the signer boots, and tells the UI info about external API location and version
                                                                                        	// information
                                                                                        	OnSignerStartup(info StartupInfo)
                                                                                        	// OnInputRequired is invoked when clef requires user input, for example master password or
                                                                                        	// pin-code for unlocking hardware wallets
                                                                                        	OnInputRequired(info UserInputRequest) (UserInputResponse, error)
                                                                                        	// RegisterUIServer tells the UI to use the given UIServerAPI for ui->clef communication
                                                                                        	RegisterUIServer(api *UIServerAPI)
                                                                                        }

                                                                                          UIClientAPI specifies what method a UI needs to implement to be able to be used as a UI for the signer

                                                                                          type UIServerAPI

                                                                                          type UIServerAPI struct {
                                                                                          	// contains filtered or unexported fields
                                                                                          }

                                                                                            SignerUIAPI implements methods Clef provides for a UI to query, in the bidirectional communication channel. This API is considered secure, since a request can only ever arrive from the UI -- and the UI is capable of approving any action, thus we can consider these requests pre-approved. NB: It's very important that these methods are not ever exposed on the external service registry.

                                                                                            func NewUIServerAPI

                                                                                            func NewUIServerAPI(extapi *SignerAPI) *UIServerAPI

                                                                                              NewUIServerAPI creates a new UIServerAPI

                                                                                              func (*UIServerAPI) ChainId

                                                                                              func (s *UIServerAPI) ChainId() math.HexOrDecimal64

                                                                                                ChainId returns the chainid in use for Eip-155 replay protection Example call {"jsonrpc":"2.0","method":"clef_chainId","params":[], "id":8}

                                                                                                func (*UIServerAPI) DeriveAccount

                                                                                                func (s *UIServerAPI) DeriveAccount(url string, path string, pin *bool) (accounts.Account, error)

                                                                                                  DeriveAccount requests a HD wallet to derive a new account, optionally pinning it for later reuse. Example call {"jsonrpc":"2.0","method":"clef_deriveAccount","params":["ledger://","m/44'/60'/0'", false], "id":6}

                                                                                                  func (*UIServerAPI) Export

                                                                                                  func (s *UIServerAPI) Export(ctx context.Context, addr common.Address) (json.RawMessage, error)

                                                                                                    Export returns encrypted private key associated with the given address in web3 keystore format. Example {"jsonrpc":"2.0","method":"clef_export","params":["0x19e7e376e7c213b7e7e7e46cc70a5dd086daff2a"], "id":4}

                                                                                                    func (*UIServerAPI) Import

                                                                                                    func (api *UIServerAPI) Import(ctx context.Context, keyJSON json.RawMessage, oldPassphrase, newPassphrase string) (accounts.Account, error)

                                                                                                      Import tries to import the given keyJSON in the local keystore. The keyJSON data is expected to be in web3 keystore format. It will decrypt the keyJSON with the given passphrase and on successful decryption it will encrypt the key with the given newPassphrase and store it in the keystore. Example (the address in question has privkey `11...11`): {"jsonrpc":"2.0","method":"clef_import","params":[{"address":"19e7e376e7c213b7e7e7e46cc70a5dd086daff2a","crypto":{"cipher":"aes-128-ctr","ciphertext":"33e4cd3756091d037862bb7295e9552424a391a6e003272180a455ca2a9fb332","cipherparams":{"iv":"b54b263e8f89c42bb219b6279fba5cce"},"kdf":"scrypt","kdfparams":{"dklen":32,"n":262144,"p":1,"r":8,"salt":"e4ca94644fd30569c1b1afbbc851729953c92637b7fe4bb9840bbb31ffbc64a5"},"mac":"f4092a445c2b21c0ef34f17c9cd0d873702b2869ec5df4439a0c2505823217e7"},"id":"216c7eac-e8c1-49af-a215-fa0036f29141","version":3},"test","yaddayadda"], "id":4}

                                                                                                      func (*UIServerAPI) ImportRawKey

                                                                                                      func (s *UIServerAPI) ImportRawKey(privkey string, password string) (accounts.Account, error)

                                                                                                        ImportRawKey stores the given hex encoded ECDSA key into the key directory, encrypting it with the passphrase. Example call (should fail on password too short) {"jsonrpc":"2.0","method":"clef_importRawKey","params":["1111111111111111111111111111111111111111111111111111111111111111","test"], "id":6}

                                                                                                        func (*UIServerAPI) ListAccounts

                                                                                                        func (s *UIServerAPI) ListAccounts(ctx context.Context) ([]accounts.Account, error)

                                                                                                          List available accounts. As opposed to the external API definition, this method delivers the full Account object and not only Address. Example call {"jsonrpc":"2.0","method":"clef_listAccounts","params":[], "id":4}

                                                                                                          func (*UIServerAPI) ListWallets

                                                                                                          func (s *UIServerAPI) ListWallets() []rawWallet

                                                                                                            ListWallets will return a list of wallets that clef manages Example call {"jsonrpc":"2.0","method":"clef_listWallets","params":[], "id":5}

                                                                                                            func (*UIServerAPI) OpenWallet

                                                                                                            func (s *UIServerAPI) OpenWallet(url string, passphrase *string) error

                                                                                                              OpenWallet initiates a hardware wallet opening procedure, establishing a USB connection and attempting to authenticate via the provided passphrase. Note, the method may return an extra challenge requiring a second open (e.g. the Trezor PIN matrix challenge). Example {"jsonrpc":"2.0","method":"clef_openWallet","params":["ledger://",""], "id":6}

                                                                                                              func (*UIServerAPI) SetChainId

                                                                                                                SetChainId sets the chain id to use when signing transactions. Example call to set Ropsten: {"jsonrpc":"2.0","method":"clef_setChainId","params":["3"], "id":8}

                                                                                                                type UserInputRequest

                                                                                                                type UserInputRequest struct {
                                                                                                                	Title      string `json:"title"`
                                                                                                                	Prompt     string `json:"prompt"`
                                                                                                                	IsPassword bool   `json:"isPassword"`
                                                                                                                }

                                                                                                                  types for the requests/response types between signer and UI

                                                                                                                  type UserInputResponse

                                                                                                                  type UserInputResponse struct {
                                                                                                                  	Text string `json:"text"`
                                                                                                                  }

                                                                                                                    types for the requests/response types between signer and UI

                                                                                                                    type ValidationInfo

                                                                                                                    type ValidationInfo struct {
                                                                                                                    	Typ     string `json:"type"`
                                                                                                                    	Message string `json:"message"`
                                                                                                                    }

                                                                                                                    type ValidationMessages

                                                                                                                    type ValidationMessages struct {
                                                                                                                    	Messages []ValidationInfo
                                                                                                                    }

                                                                                                                    func (*ValidationMessages) Crit

                                                                                                                    func (vs *ValidationMessages) Crit(msg string)

                                                                                                                    func (*ValidationMessages) Info

                                                                                                                    func (vs *ValidationMessages) Info(msg string)

                                                                                                                    func (*ValidationMessages) Warn

                                                                                                                    func (vs *ValidationMessages) Warn(msg string)

                                                                                                                    type Validator

                                                                                                                    type Validator interface {
                                                                                                                    	// ValidateTransaction does a number of checks on the supplied transaction, and
                                                                                                                    	// returns either a list of warnings, or an error (indicating that the transaction
                                                                                                                    	// should be immediately rejected).
                                                                                                                    	ValidateTransaction(selector *string, tx *SendTxArgs) (*ValidationMessages, error)
                                                                                                                    }

                                                                                                                      Validator defines the methods required to validate a transaction against some sanity defaults as well as any underlying 4byte method database.

                                                                                                                      Use fourbyte.Database as an implementation. It is separated out of this package to allow pieces of the signer package to be used without having to load the 7MB embedded 4byte dump.

                                                                                                                      type ValidatorData

                                                                                                                      type ValidatorData struct {
                                                                                                                      	Address common.Address
                                                                                                                      	Message hexutil.Bytes
                                                                                                                      }

                                                                                                                      func UnmarshalValidatorData

                                                                                                                      func UnmarshalValidatorData(data interface{}) (ValidatorData, error)

                                                                                                                        UnmarshalValidatorData converts the bytes input to typed data