btc

package
v4.7.0+incompatible Latest Latest
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 Go to latest Published: May 10, 2019 License: Apache-2.0 Imports: 36 Imported by: 18

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func SignTransaction 

func SignTransaction(
	keystores *keystore.Keystores,
	txProposal *maketx.TxProposal,
	previousOutputs map[wire.OutPoint]*transactions.SpendableOutput,
	getAddress func(blockchain.ScriptHashHex) *addresses.AccountAddress,
	log *logrus.Entry,
) error

SignTransaction signs all inputs. It assumes all outputs spent belong to this wallet. previousOutputs must contain all outputs which are spent by the transaction.

func XPubVersionForScriptType 

func XPubVersionForScriptType(coin *Coin, scriptType signing.ScriptType) [4]byte

XPubVersionForScriptType returns the xpub version bytes for the given coin and script type.

Types

type Account 

type Account struct {
	locker.Locker
	// contains filtered or unexported fields
}

Account is a account whose addresses are derived from an xpub.

func NewAccount 

func NewAccount(
	coin *Coin,
	dbFolder string,
	code string,
	name string,
	getSigningConfiguration func() (*signing.Configuration, error),
	keystores *keystore.Keystores,
	getNotifier func(*signing.Configuration) accounts.Notifier,
	onEvent func(accounts.Event),
	log *logrus.Entry,
) *Account

NewAccount creates a new account.

func (*Account) Balance 

func (account *Account) Balance() (*accounts.Balance, error)

Balance implements the interface.

func (*Account) CanVerifyAddresses 

func (account *Account) CanVerifyAddresses() (bool, bool, error)

CanVerifyAddresses wraps Keystores().CanVerifyAddresses(), see that function for documentation.

func (*Account) CanVerifyExtendedPublicKey 

func (account *Account) CanVerifyExtendedPublicKey() []int

CanVerifyExtendedPublicKey returns the indices of the keystores that support secure verification

func (*Account) Close 

func (account *Account) Close()

Close stops the account.

func (*Account) Code 

func (account *Account) Code() string

Code returns the code of the account.

func (*Account) Coin 

func (account *Account) Coin() coin.Coin

Coin returns the coin of the account.

func (*Account) ConvertToLegacyAddress 

func (account *Account) ConvertToLegacyAddress(addressID string) (btcutil.Address, error)

ConvertToLegacyAddress converts a ltc p2sh address to the legacy format (starting with '3'). Returns an error for non litecoin p2sh accounts.

func (*Account) FatalError 

func (account *Account) FatalError() bool

FatalError returns true if the account had a fatal error.

func (*Account) FeeTargets 

func (account *Account) FeeTargets() ([]accounts.FeeTarget, accounts.FeeTargetCode)

FeeTargets returns the fee targets and the default fee target.

func (*Account) GetUnusedReceiveAddresses 

func (account *Account) GetUnusedReceiveAddresses() []accounts.Address

GetUnusedReceiveAddresses returns a number of unused addresses.

func (*Account) Info 

func (account *Account) Info() *accounts.Info

Info returns account info, such as the signing configuration (xpubs).

func (*Account) Initialize 

func (account *Account) Initialize() error

Initialize initializes the account.

func (*Account) Initialized 

func (account *Account) Initialized() bool

Initialized indicates whether the account has loaded and finished the initial sync of the addresses.

func (*Account) Keystores 

func (account *Account) Keystores() *keystore.Keystores

Keystores returns the keystores of the account.

func (*Account) Name 

func (account *Account) Name() string

Name returns the name of the account.

func (*Account) Notifier 

func (account *Account) Notifier() accounts.Notifier

Notifier implements accounts.Interface.

func (*Account) Offline 

func (account *Account) Offline() bool

Offline returns true if the account is disconnected from the blockchain.

func (*Account) SendTx 

func (account *Account) SendTx(
	recipientAddress string,
	amount coin.SendAmount,
	feeTargetCode accounts.FeeTargetCode,
	selectedUTXOs map[wire.OutPoint]struct{},
	_ []byte,
) error

SendTx creates, signs and sends tx which sends `amount` to the recipient.

func (*Account) SpendableOutputs 

func (account *Account) SpendableOutputs() []*SpendableOutput

SpendableOutputs returns the utxo set, sorted by the value descending.

func (*Account) String 

func (account *Account) String() string

String returns a representation of the account for logging.

func (*Account) Transactions 

func (account *Account) Transactions() ([]accounts.Transaction, error)

Transactions wraps transaction.Transactions.Transactions()

func (*Account) TxProposal 

func (account *Account) TxProposal(
	recipientAddress string,
	amount coin.SendAmount,
	feeTargetCode accounts.FeeTargetCode,
	selectedUTXOs map[wire.OutPoint]struct{},
	_ []byte,
) (
	coin.Amount, coin.Amount, coin.Amount, error)

TxProposal creates a tx from the relevant input and returns information about it for display in the UI (the output amount and the fee). At the same time, it validates the input.

func (*Account) VerifyAddress 

func (account *Account) VerifyAddress(addressID string) (bool, error)

VerifyAddress verifies a receive address on a keystore. Returns false, nil if no secure output exists.

func (*Account) VerifyExtendedPublicKey 

func (account *Account) VerifyExtendedPublicKey(index int) (bool, error)

VerifyExtendedPublicKey verifies an account's public key. Returns false, nil if no secure output exists. index is the position of an xpub in the []*hdkeychain which corresponds to the particular keystore in []Keystore

type AddressChain 

type AddressChain interface {
	GetUnused() []*addresses.AccountAddress
	EnsureAddresses() []*addresses.AccountAddress
	LookupByScriptHashHex(blockchain.ScriptHashHex) *addresses.AccountAddress
}

AddressChain is the interface for AddressChains

type Coin 

type Coin struct {
	observable.Implementation
	// contains filtered or unexported fields
}

Coin models a Bitcoin-related coin.

func NewCoin 

func NewCoin(
	code string,
	unit string,
	net *chaincfg.Params,
	dbFolder string,
	servers []*rpc.ServerInfo,
	blockExplorerTxPrefix string,
) *Coin

NewCoin creates a new coin with the given parameters.

func (*Coin) BlockExplorerTransactionURLPrefix 

func (coin *Coin) BlockExplorerTransactionURLPrefix() string

BlockExplorerTransactionURLPrefix implements coin.Coin.

func (*Coin) Blockchain 

func (coin *Coin) Blockchain() blockchain.Interface

Blockchain connects to a blockchain backend.

func (*Coin) Code 

func (coin *Coin) Code() string

Code implements coin.Coin.

func (*Coin) DecodeAddress 

func (coin *Coin) DecodeAddress(address string) (btcutil.Address, error)

DecodeAddress decodes a btc/ltc address, checking that that the format matches the account coin type.

func (*Coin) FormatAmount 

func (coin *Coin) FormatAmount(amount coin.Amount) string

FormatAmount implements coin.Coin.

func (*Coin) Headers 

func (coin *Coin) Headers() *headers.Headers

Headers returns the coin headers.

func (*Coin) Initialize 

func (coin *Coin) Initialize()

Initialize implements coin.Coin.

func (*Coin) Net 

func (coin *Coin) Net() *chaincfg.Params

Net returns the coin's network params.

func (*Coin) SmallestUnit 

func (coin *Coin) SmallestUnit() string

SmallestUnit implements coin.Coin.

func (*Coin) String 

func (coin *Coin) String() string

func (*Coin) ToUnit 

func (coin *Coin) ToUnit(amount coin.Amount) float64

ToUnit implements coin.Coin.

func (*Coin) Unit 

func (coin *Coin) Unit() string

Unit implements coin.Coin.

type FeeTarget 

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

FeeTarget contains the fee rate for a specific fee target.

func (*FeeTarget) Code 

func (feeTarget *FeeTarget) Code() accounts.FeeTargetCode

Code returns the btc fee target

type ProposedTransaction 

type ProposedTransaction struct {
	TXProposal      *maketx.TxProposal
	PreviousOutputs map[wire.OutPoint]*transactions.SpendableOutput
	GetAddress      func(blockchain.ScriptHashHex) *addresses.AccountAddress
	// Signatures collects the signatures (signatures[transactionInput][cosignerIndex]).
	Signatures [][]*btcec.Signature
	SigHashes  *txscript.TxSigHashes
}

ProposedTransaction contains all the info needed to sign a btc transaction.

type SpendableOutput 

type SpendableOutput struct {
	*transactions.SpendableOutput
	OutPoint wire.OutPoint
}

SpendableOutput is an unspent coin.

type Status 

type Status string

Status indicates the connection and initialization status. 

const (
	// AccountSynced indicates that the account is synced.
	AccountSynced Status = "accountSynced"

	// AccountNotSynced indicates that the account is initialized, but not yet fully synced.
	AccountNotSynced Status = "accountNotSynced"

	// AccountDisabled indicates that the account has not yet been initialized.
	AccountDisabled Status = "accountDisabled"

	// OfflineMode indicates that the connection to the blockchain network could not be established.
	OfflineMode Status = "offlineMode"

	// FatalError indicates that there was a fatal error in handling the account. When this happens,
	// an error is shown to the user and the account is made unusable.
	FatalError Status = "fatalError"
)

Source Files

View all Source files

Directories

Path Synopsis
test
mocks
db
headersdb
transactionsdb
client
Package client implements an Electrum JSON RPC client.
 Package client implements an Electrum JSON RPC client.
mocks
Package maketx provides transaction creation code for wallets.
 Package maketx provides transaction creation code for wallets.

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