xwcfmt

package
v0.0.0-...-fa704fd Latest Latest
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 Go to latest Published: Mar 3, 2022 License: BSD-3-Clause Imports: 18 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	// HashLength is the expected length of the hash
	HashLength = 20
	// AddressLength is the expected length of the address
	AddressLength = 20

	PubkeyLength = 33
)

Lengths of hashes and addresses in bytes.

View Source 
const (
	ADDR_NORMAL   = 0x35
	ADDR_MULTISIG = 0x32
	ADDR_CONTRACT = 0x1c
)
View Source 
const (
	WIF_VERSION = 0x80
)
View Source 
const (
	XWC_PREFIX = "XWC"
)

Variables

This section is empty.

Functions

func Bytes2Hex 

func Bytes2Hex(d []byte) string

Bytes2Hex returns the hexadecimal encoding of d.

func CopyBytes 

func CopyBytes(b []byte) (copiedBytes []byte)

CopyBytes returns an exact copy of the provided bytes.

func FromHex 

func FromHex(s string) []byte

FromHex returns the bytes represented by the hexadecimal string s. s may be prefixed with "0x".

func Hex2Bytes 

func Hex2Bytes(str string) []byte

Hex2Bytes returns the bytes represented by the hexadecimal string str.

func Hex2BytesFixed 

func Hex2BytesFixed(str string, flen int) []byte

Hex2BytesFixed returns bytes of a specified fixed length flen.

func HexAddrToXwcAddr 

func HexAddrToXwcAddr(hexAddr string) (string, error)

func HexAddrToXwcConAddr 

func HexAddrToXwcConAddr(hexAddr string) (string, error)

func HexKeyToWifKey 

func HexKeyToWifKey(hexKey string) (string, error)

func HexPubkeyToXwcPubkey 

func HexPubkeyToXwcPubkey(hexPubkey string) (string, error)

func IsHexAddress 

func IsHexAddress(s string) bool

IsHexAddress verifies whether a string can represent a valid hex-encoded Ethereum address or not.

func LeftPadBytes 

func LeftPadBytes(slice []byte, l int) []byte

LeftPadBytes zero-pads slice to the left up to length l.

func PackUint16 

func PackUint16(v uint16) []byte

func PackUint32 

func PackUint32(v uint32) []byte

func PackUint64 

func PackUint64(v uint64) []byte

func PackUint8 

func PackUint8(v uint8) []byte

func PackVarInt 

func PackVarInt(v uint64) []byte

func RightPadBytes 

func RightPadBytes(slice []byte, l int) []byte

RightPadBytes zero-pads slice to the right up to length l.

func ToHex deprecated 

func ToHex(b []byte) string

ToHex returns the hex representation of b, prefixed with '0x'. For empty slices, the return value is "0x0".

Deprecated: use hexutil.Encode instead.

func ToHexArray 

func ToHexArray(b [][]byte) []string

ToHexArray creates a array of hex-string based on []byte

func TrimLeftZeroes 

func TrimLeftZeroes(s []byte) []byte

TrimLeftZeroes returns a subslice of s without leading zeroes

func TrimRightZeroes 

func TrimRightZeroes(s []byte) []byte

TrimRightZeroes returns a subslice of s without trailing zeroes

func WifKeyToHexKey 

func WifKeyToHexKey(wifKey string) (string, error)

func XwcAddrToHexAddr 

func XwcAddrToHexAddr(xwcAddr string) (string, error)

func XwcConAddrToHexAddr 

func XwcConAddrToHexAddr(xwcConAddr string) (string, error)

func XwcPubkeyToHexPubkey 

func XwcPubkeyToHexPubkey(xwcPubkey string) (string, error)

func XwcPubkeyToXwcAddr 

func XwcPubkeyToXwcAddr(xwcPubkey string) (string, error)

Types

type Address 

type Address [AddressLength]byte

Address represents the 20 byte address of an Ethereum account.

func BigToAddress 

func BigToAddress(b *big.Int) Address

BigToAddress returns Address with byte values of b. If b is larger than len(h), b will be cropped from the left.

func BytesToAddress 

func BytesToAddress(b []byte) Address

BytesToAddress returns Address with value b. If b is larger than len(h), b will be cropped from the left.

func HexToAddress 

func HexToAddress(s string) Address

HexToAddress returns Address with byte values of s. If s is larger than len(h), s will be cropped from the left.

func (Address) Bytes 

func (a Address) Bytes() []byte

Bytes gets the string representation of the underlying address.

func (Address) Format 

func (a Address) Format(s fmt.State, c rune)

Format implements fmt.Formatter, forcing the byte slice to be formatted as is, without going through the stringer interface used for logging.

func (Address) Hash 

func (a Address) Hash() Hash

Hash converts an address to a hash by left-padding it with zeros.

func (Address) Hex 

func (a Address) Hex() string

func (Address) ImplementsGraphQLType 

func (a Address) ImplementsGraphQLType(name string) bool

ImplementsGraphQLType returns true if Hash implements the specified GraphQL type.

func (Address) MarshalText 

func (a Address) MarshalText() ([]byte, error)

MarshalText returns the hex representation of a.

func (*Address) Scan 

func (a *Address) Scan(src interface{}) error

Scan implements Scanner for database/sql.

func (*Address) SetBytes 

func (a *Address) SetBytes(b []byte)

SetBytes sets the address to the value of b. If b is larger than len(a) it will panic.

func (Address) String 

func (a Address) String() string

String implements fmt.Stringer.

func (*Address) UnmarshalGraphQL 

func (a *Address) UnmarshalGraphQL(input interface{}) error

UnmarshalGraphQL unmarshals the provided GraphQL query data.

func (*Address) UnmarshalText 

func (a *Address) UnmarshalText(input []byte) error

UnmarshalText parses a hash in hex syntax.

func (Address) Value 

func (a Address) Value() (driver.Value, error)

Value implements valuer for database/sql.

type Asset 

type Asset struct {
	Amount  int64  `json:"amount"`
	AssetId string `json:"asset_id"`
}

func (Asset) Pack 

func (a Asset) Pack() []byte

func (*Asset) SetDefault 

func (a *Asset) SetDefault()

type Code 

type Code struct {
	// need to order by ascii
	Abi []string `json:"fee"`
	// need to order by ascii
	OfflineAbi []string `json:"offline_abi"`
	// need to order by ascii
	Events []string `json:"events"`
	// need to order by ascii
	StorageProperties map[string]uint32 `json:"storage_properties"`
	Code              []byte            `json:"code"`
	CodeHash          string            `json:"code_hash"`
}

TODO

func (*Code) LoadFromHex 

func (c *Code) LoadFromHex(codeHex string) error

type ConAddress 

type ConAddress [AddressLength]byte

func (ConAddress) MarshalText 

func (a ConAddress) MarshalText() ([]byte, error)

MarshalText returns the hex representation of a.

func (*ConAddress) SetBytes 

func (a *ConAddress) SetBytes(b []byte)

func (*ConAddress) UnmarshalText 

func (a *ConAddress) UnmarshalText(input []byte) error

UnmarshalText parses a hash in hex syntax.

type ContractInvokeOperation 

type ContractInvokeOperation struct {
	Fee          Asset      `json:"fee"`
	InvokeCost   uint64     `json:"invoke_cost"`
	GasPrice     uint64     `json:"gas_price"`
	CallerAddr   Address    `json:"caller_addr"`
	CallerPubkey PubKeyType `json:"caller_pubkey"`
	ContractId   ConAddress `json:"contract_id"`
	ContractApi  string     `json:"contract_api"`
	ContractArg  string     `json:"contract_arg"`
	GuaranteeId  string     `json:"guarantee_id,omitempty"`
}

func (*ContractInvokeOperation) Pack 

func (cio *ContractInvokeOperation) Pack() []byte

func (*ContractInvokeOperation) SetValue 

func (cio *ContractInvokeOperation) SetValue(callerAddr string,
	callerPubKey string, conAddr string, fee uint64, gasPrice uint64,
	gasLimit uint64, conApi string, conArg string) error

type ContractRegisterOperation 

type ContractRegisterOperation struct {
	Fee          Asset         `json:"fee"`
	InitCost     uint64        `json:"init_cost"`
	GasPrice     uint64        `json:"gas_price"`
	OwnerAddr    Address       `json:"owner_addr"`
	OwnerPubkey  PubKey        `json:"owner_pubkey"`
	RegisterTime uint32        `json:"register_time"`
	ContractId   ConAddress    `json:"contract_id"`
	ContractCode Code          `json:"contract_code"`
	InheritFrom  ConAddress    `json:"inherit_from"`
	Extensions   []interface{} `json:"extensions"`
	GuaranteeId  string        `json:"guarantee_id,omitempty"`
}

type ContractTransferOperation 

type ContractTransferOperation struct {
	Fee          Asset      `json:"fee"`
	InvokeCost   uint64     `json:"invoke_cost"`
	GasPrice     uint64     `json:"gas_price"`
	CallerAddr   Address    `json:"caller_addr"`
	CallerPubkey PubKeyType `json:"caller_pubkey"`
	ContractId   ConAddress `json:"contract_id"`
	Amount       Asset      `json:"amount"`
	Param        string     `json:"param"`
	GuaranteeId  string     `json:"guarantee_id,omitempty"`
}

func (*ContractTransferOperation) Pack 

func (cto *ContractTransferOperation) Pack() []byte

func (*ContractTransferOperation) SetValue 

func (cto *ContractTransferOperation) SetValue(callerAddr string,
	callerPubKey string, conAddr string, fee uint64, gasPrice uint64,
	gasLimit uint64, amount uint64, param string) error

type Hash 

type Hash [HashLength]byte

Hash represents the 32 byte Keccak256 hash of arbitrary data.

func BigToHash 

func BigToHash(b *big.Int) Hash

BigToHash sets byte representation of b to hash. If b is larger than len(h), b will be cropped from the left.

func BytesToHash 

func BytesToHash(b []byte) Hash

BytesToHash sets b to hash. If b is larger than len(h), b will be cropped from the left.

func HexToHash 

func HexToHash(s string) Hash

HexToHash sets byte representation of s to hash. If b is larger than len(h), b will be cropped from the left.

func (Hash) Big 

func (h Hash) Big() *big.Int

Big converts a hash to a big integer.

func (Hash) Bytes 

func (h Hash) Bytes() []byte

Bytes gets the byte representation of the underlying hash.

func (Hash) Format 

func (h Hash) Format(s fmt.State, c rune)

Format implements fmt.Formatter, forcing the byte slice to be formatted as is, without going through the stringer interface used for logging.

func (Hash) Generate 

func (h Hash) Generate(rand *rand.Rand, size int) reflect.Value

Generate implements testing/quick.Generator.

func (Hash) Hex 

func (h Hash) Hex() string

Hex converts a hash to a hex string.

func (Hash) ImplementsGraphQLType 

func (Hash) ImplementsGraphQLType(name string) bool

ImplementsGraphQLType returns true if Hash implements the specified GraphQL type.

func (Hash) MarshalText 

func (h Hash) MarshalText() ([]byte, error)

MarshalText returns the hex representation of h.

func (*Hash) Scan 

func (h *Hash) Scan(src interface{}) error

Scan implements Scanner for database/sql.

func (*Hash) SetBytes 

func (h *Hash) SetBytes(b []byte)

SetBytes sets the hash to the value of b. If b is larger than len(h), b will be cropped from the left.

func (Hash) String 

func (h Hash) String() string

String implements the stringer interface and is used also by the logger when doing full logging into a file.

func (*Hash) UnmarshalGraphQL 

func (h *Hash) UnmarshalGraphQL(input interface{}) error

UnmarshalGraphQL unmarshals the provided GraphQL query data.

func (*Hash) UnmarshalJSON 

func (h *Hash) UnmarshalJSON(input []byte) error

UnmarshalJSON parses a hash in hex syntax.

func (*Hash) UnmarshalText 

func (h *Hash) UnmarshalText(input []byte) error

UnmarshalText parses a hash in hex syntax.

func (Hash) Value 

func (h Hash) Value() (driver.Value, error)

Value implements valuer for database/sql.

type Memo 

type Memo struct {
	From    PubKey      `json:"from"`
	To      PubKey      `json:"to"`
	Nonce   uint64      `json:"nonce"`
	Message MemoMessage `json:"message"`
}

func (Memo) Pack 

func (m Memo) Pack() []byte

type MemoMessage 

type MemoMessage string

func (MemoMessage) MarshalText 

func (a MemoMessage) MarshalText() ([]byte, error)

func (*MemoMessage) UnmarshalText 

func (a *MemoMessage) UnmarshalText(input []byte) error

type MixedcaseAddress 

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

MixedcaseAddress retains the original string, which may or may not be correctly checksummed

func NewMixedcaseAddress 

func NewMixedcaseAddress(addr Address) MixedcaseAddress

NewMixedcaseAddress constructor (mainly for testing)

func NewMixedcaseAddressFromString 

func NewMixedcaseAddressFromString(hexaddr string) (*MixedcaseAddress, error)

NewMixedcaseAddressFromString is mainly meant for unit-testing

func (*MixedcaseAddress) Address 

func (ma *MixedcaseAddress) Address() Address

Address returns the address

func (*MixedcaseAddress) MarshalJSON 

func (ma *MixedcaseAddress) MarshalJSON() ([]byte, error)

MarshalJSON marshals the original value

func (*MixedcaseAddress) Original 

func (ma *MixedcaseAddress) Original() string

Original returns the mixed-case input string

func (*MixedcaseAddress) String 

func (ma *MixedcaseAddress) String() string

String implements fmt.Stringer

func (*MixedcaseAddress) UnmarshalJSON 

func (ma *MixedcaseAddress) UnmarshalJSON(input []byte) error

UnmarshalJSON parses MixedcaseAddress

func (*MixedcaseAddress) ValidChecksum 

func (ma *MixedcaseAddress) ValidChecksum() bool

ValidChecksum returns true if the address has valid checksum

type OperationPair 

type OperationPair [2]interface{}

type OperationType 

type OperationType interface {
	Pack() []byte
}

type PubKey 

type PubKey [PubkeyLength]byte

func (PubKey) MarshalText 

func (a PubKey) MarshalText() ([]byte, error)

func (*PubKey) SetBytes 

func (a *PubKey) SetBytes(b []byte)

func (*PubKey) UnmarshalText 

func (a *PubKey) UnmarshalText(input []byte) error

type PubKeyType 

type PubKeyType [PubkeyLength]byte

func (PubKeyType) MarshalText 

func (a PubKeyType) MarshalText() ([]byte, error)

func (*PubKeyType) SetBytes 

func (a *PubKeyType) SetBytes(b []byte)

func (*PubKeyType) UnmarshalText 

func (a *PubKeyType) UnmarshalText(input []byte) error

type Signature 

type Signature []byte

func (Signature) MarshalText 

func (a Signature) MarshalText() ([]byte, error)

func (*Signature) UnmarshalText 

func (a *Signature) UnmarshalText(input []byte) error

type Transaction 

type Transaction struct {
	RefBlockNum    uint16          `json:"ref_block_num"`
	RefBlockPrefix uint32          `json:"ref_block_prefix"`
	Expiration     UTCTime         `json:"expiration"`
	Operations     []OperationPair `json:"operations"`
	Extensions     []interface{}   `json:"extensions"`
	Signatures     []Signature     `json:"signatures"`
}

func (*Transaction) Pack 

func (tx *Transaction) Pack() []byte

type TransferOperation 

type TransferOperation struct {
	Fee         Asset         `json:"fee"`
	GuaranteeId string        `json:"guarantee_id,omitempty"`
	From        string        `json:"from"`
	To          string        `json:"to"`
	FromAddr    Address       `json:"from_addr"`
	ToAddr      Address       `json:"to_addr"`
	Amount      Asset         `json:"amount"`
	Memo        *Memo         `json:"memo,omitempty"`
	Extensions  []interface{} `json:"extensions"`
}

func (*TransferOperation) Pack 

func (to *TransferOperation) Pack() []byte

func (*TransferOperation) SetValue 

func (to *TransferOperation) SetValue(fromAddr string, toAddr string,
	amount uint64, fee uint64, memo string) error

type UTCTime 

type UTCTime uint32

func (UTCTime) MarshalText 

func (a UTCTime) MarshalText() ([]byte, error)

func (*UTCTime) UnmarshalText 

func (a *UTCTime) UnmarshalText(input []byte) error

type UnprefixedAddress 

type UnprefixedAddress Address

UnprefixedAddress allows marshaling an Address without 0x prefix.

func (UnprefixedAddress) MarshalText 

func (a UnprefixedAddress) MarshalText() ([]byte, error)

MarshalText encodes the address as hex.

func (*UnprefixedAddress) UnmarshalText 

func (a *UnprefixedAddress) UnmarshalText(input []byte) error

UnmarshalText decodes the address from hex. The 0x prefix is optional.

type UnprefixedHash 

type UnprefixedHash Hash

UnprefixedHash allows marshaling a Hash without 0x prefix.

func (UnprefixedHash) MarshalText 

func (h UnprefixedHash) MarshalText() ([]byte, error)

MarshalText encodes the hash as hex.

func (*UnprefixedHash) UnmarshalText 

func (h *UnprefixedHash) UnmarshalText(input []byte) error

UnmarshalText decodes the hash from hex. The 0x prefix is optional.

Source Files

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