ethereum

package
v0.0.0-...-086ef7a Latest Latest
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 Go to latest Published: Jun 12, 2018 License: Apache-2.0 Imports: 22 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	CtrBRG              = "BridgeToken"
	CtrForwarderFactory = "ForwarderFactory"
	CtrRoot             = "Root"
	CtrSWC              = "SweetToken"
	CtrSWCqueue         = "SWCqueue"
	CtrSWClogic         = "SweetTokenLogic"
	CtrTokenLogic       = "TokenLogic"
	CtrTreasury         = "Treasury"
	CtrUserDirectory    = "UserDirectory"
	CtrVault            = "Vault"
	CtrVaultConfig      = "VaultConfig"
	CtrWallet           = "Wallet"
)

Contract names

Variables

View Source 
var ZeroAddress = common.HexToAddress("00")

ZeroAddress represents Ethereum unknown or invalid address

Functions

func FlogTx 

func FlogTx(w io.Writer, msg string, tx *types.Transaction)

FlogTx logs transaction into a Writer

func HashToAddress 

func HashToAddress(h common.Hash) (common.Address, errstack.E)

HashToAddress encodes address from hash data

func IncNonce 

func IncNonce(nonce *big.Int) *big.Int

IncNonce increments nonce by one and returns updated nonce

func IncTxoNonce 

func IncTxoNonce(txo *bind.TransactOpts, tx *types.Transaction)

IncTxoNonce increments transaction options nonce

func IsZeroAddr 

func IsZeroAddr(a common.Address) bool

IsZeroAddr check if `a` is zero or invalid address

func LogTx 

func LogTx(msg string, tx *types.Transaction)

LogTx is a handy function to create debug log for successful transaction

func MustHaveEvents 

func MustHaveEvents(e abi.ABI, eventNames ...string)

MustHaveEvents ensures that the ABI object has listed events

func MustParseABI 

func MustParseABI(name string, ctrABI string) abi.ABI

MustParseABI parses abi string

func ParseAddress 

func ParseAddress(addr string) (a common.Address, err errstack.E)

ParseAddress converts hex string to Ethereum address

func ParseAddressErrp 

func ParseAddressErrp(addr string, errp errstack.Putter) common.Address

ParseAddressErrp calls ToAddress and sets the error in the putter

func SubscribeSimple 

func SubscribeSimple(ctx context.Context,
	client *ethclient.Client,
	topics [][]common.Hash, addresses []common.Address) (<-chan types.Log, ethereum.Subscription, errstack.E)

SubscribeSimple is a simple utility function to create events subscription

func UnmarshalEvent 

func UnmarshalEvent(dest interface{}, data []byte, e abi.Event) errstack.E

UnmarshalEvent blockchain log into the event structure `dest` must be a pointer to initialized structure

Types

type ContractFactory 

type ContractFactory interface {
	GetBRG() (*contracts.BridgeToken, common.Address, errstack.E)
	GetSWC() (*contracts.SweetToken, common.Address, errstack.E)
	GetSWClogic() (*contracts.SweetTokenLogic, common.Address, errstack.E)
	GetSWCqueue() (*contracts.SWCqueue, common.Address, errstack.E)
	GetForwarderFactory() (*contracts.ForwarderFactory, common.Address, errstack.E)

	Client() *ethclient.Client
	TxrFactory
}

ContractFactory delivers methods to easily construct contracts

func NewContractFactory 

func NewContractFactory(c *ethclient.Client, sf SchemaFactory, txrF TxrFactory, isTestRPC bool) ContractFactory

NewContractFactory is a default contract provider based on truffle schema files.

type KeySimple 

type KeySimple struct {
	Address common.Address
	ID      string
	Version int
}

KeySimple is a simple version of keystore.Key structure

func MustReadKeySimple 

func MustReadKeySimple(JSONFile string) KeySimple

MustReadKeySimple calls ReadKeySimple and panics if it get's an error

func ReadKeySimple 

func ReadKeySimple(JSONFile string) (KeySimple, errstack.E)

ReadKeySimple reads the JSON key into the key object

func (*KeySimple) UnmarshalJSON 

func (k *KeySimple) UnmarshalJSON(j []byte) (err error)

UnmarshalJSON implement interface for json.Unmrashall

type NetSchema 

type NetSchema struct {
	Address   string
	UpdatedAt int `json:"updated_at"`
}

NetSchema is a type representing truffle-schema network description

type PgtAddress 

type PgtAddress struct {
	common.Address
}

PgtAddress is a ethereum Address wrapper to provide DB interface

func (*PgtAddress) Scan 

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

Scan implements sql.Sanner interface

func (PgtAddress) Value 

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

Value implements sql/driver.Valuer

type PgtHash 

type PgtHash struct {
	common.Hash
}

PgtHash is an ethereum common.Hash wrapper to provide DB interface

func (*PgtHash) Scan 

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

Scan implements sql.Sanner interface

func (*PgtHash) Value 

func (a *PgtHash) Value() (driver.Value, error)

Value implements sql/driver.Valuer

type Schema 

type Schema struct {
	Name          string `json:"contractName"`
	Networks      map[int]NetSchema
	SchemaVersion string `json:"schemaVersion"`
	UpdatedAt     string `json:"updatedAt"`
}

Schema is a type representing truffle-schema contract file

func (Schema) Address 

func (s Schema) Address(networkID int) (a common.Address, e errstack.E)

Address is a handy method which returns smart contract address deployed for given network

type SchemaFactory 

type SchemaFactory struct {
	Dir     string
	Network int
}

SchemaFactory is a structure which provides contract schema functions and data

func NewSchemaFactory 

func NewSchemaFactory(contractsPath string, network int) (SchemaFactory, errstack.E)

NewSchemaFactory creates new SchemaFactory.

func (SchemaFactory) MustReadGetAddress 

func (sf SchemaFactory) MustReadGetAddress(name string) (Schema, common.Address)

MustReadGetAddress returns contract schema and address and panics on error

func (SchemaFactory) Read 

func (sf SchemaFactory) Read(name string) (s Schema, err errstack.E)

Read reads truffle-schema file. The name should not finish with ".json"

func (SchemaFactory) ReadGetAddress 

func (sf SchemaFactory) ReadGetAddress(name string) (s Schema, a common.Address, err errstack.E)

ReadGetAddress reads schema using `Read` and extract contract address using then network identifier.

type TxrFactory 

type TxrFactory interface {
	Txo() *bind.TransactOpts
	Addr() common.Address
}

TxrFactory wraps parameters to create bind.TransactOpts

func NewJSONTxrFactory 

func NewJSONTxrFactory(filename, passphrase string) (TxrFactory, errstack.E)

NewJSONTxrFactory creates TxrFactory using on JSON account file and passphrase

func NewPrivKeyTxrFactory 

func NewPrivKeyTxrFactory(hexkey string) (TxrFactory, errstack.E)

NewPrivKeyTxrFactory creates new transactor using a hex string of a ECDSA key.

Source Files

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