api

package
v0.0.0-...-3b3708c Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Oct 18, 2022 License: AGPL-3.0 Imports: 20 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	// AddressFilterVoutOff disables filtering of transactions by vout
	AddressFilterVoutOff = -1
	// AddressFilterVoutInputs specifies that only txs where the address is as input are returned
	AddressFilterVoutInputs = -2
	// AddressFilterVoutOutputs specifies that only txs where the address is as output are returned
	AddressFilterVoutOutputs = -3
	// AddressFilterVoutQueryNotNecessary signals that query for transactions is not necessary as there are no transactions for specified contract filter
	AddressFilterVoutQueryNotNecessary = -4

	// TokensToReturnNonzeroBalance - return only tokens with nonzero balance
	TokensToReturnNonzeroBalance TokensToReturn = 0
	// TokensToReturnUsed - return tokens with some transfers (even if they have zero balance now)
	TokensToReturnUsed TokensToReturn = 1
	// TokensToReturnDerived - return all derived tokens
	TokensToReturnDerived TokensToReturn = 2
)

Variables

View Source 
var ErrUnsupportedXpub = errors.New("XPUB not supported")

ErrUnsupportedXpub is returned when coin type does not support xpub address derivation or provided string is not an xpub

View Source 
var Text struct {
	BlockbookAbout, TOSLink string
}

Text contains static overridable texts used in explorer

Functions

func GetUniqueTxids 

func GetUniqueTxids(txids []string) []string

GetUniqueTxids removes duplicate transactions

func IsZeroBigInt 

func IsZeroBigInt(b *big.Int) bool

IsZeroBigInt if big int has zero value

func NewAPIError 

func NewAPIError(s string, public bool) error

NewAPIError creates ApiError

Types

type APIError 

type APIError struct {
	Text   string
	Public bool
}

APIError extends error by information if the error details should be returned to the end user

func (*APIError) Error 

func (e *APIError) Error() string

type AccountDetails 

type AccountDetails int

AccountDetails specifies what data returns GetAddress and GetXpub calls 

const (
	// AccountDetailsBasic - only that address is indexed and some basic info
	AccountDetailsBasic AccountDetails = iota
	// AccountDetailsTokens - basic info + tokens
	AccountDetailsTokens
	// AccountDetailsTokenBalances - basic info + token with balance
	AccountDetailsTokenBalances
	// AccountDetailsTxidHistory - basic + token balances + txids, subject to paging
	AccountDetailsTxidHistory
	// AccountDetailsTxHistoryLight - basic + tokens + easily obtained tx data (not requiring requests to backend), subject to paging
	AccountDetailsTxHistoryLight
	// AccountDetailsTxHistory - basic + tokens + full tx data, subject to paging
	AccountDetailsTxHistory
)

type Address 

type Address struct {
	Paging
	AddrStr               string                `json:"address"`
	BalanceSat            *Amount               `json:"balance"`
	TotalReceivedSat      *Amount               `json:"totalReceived,omitempty"`
	TotalSentSat          *Amount               `json:"totalSent,omitempty"`
	UnconfirmedBalanceSat *Amount               `json:"unconfirmedBalance"`
	UnconfirmedTxs        int                   `json:"unconfirmedTxs"`
	Txs                   int                   `json:"txs"`
	NonTokenTxs           int                   `json:"nonTokenTxs,omitempty"`
	Transactions          []*Tx                 `json:"transactions,omitempty"`
	Txids                 []string              `json:"txids,omitempty"`
	Nonce                 string                `json:"nonce,omitempty"`
	UsedTokens            int                   `json:"usedTokens,omitempty"`
	Tokens                []Token               `json:"tokens,omitempty"`
	Erc20Contract         *bchain.Erc20Contract `json:"erc20Contract,omitempty"`
	// helpers for explorer
	Filter        string              `json:"-"`
	XPubAddresses map[string]struct{} `json:"-"`
}

Address holds information about address and its transactions

type AddressFilter 

type AddressFilter struct {
	Vout           int
	Contract       string
	FromHeight     uint32
	ToHeight       uint32
	TokensToReturn TokensToReturn
	// OnlyConfirmed set to true will ignore mempool transactions; mempool is also ignored if FromHeight/ToHeight filter is specified
	OnlyConfirmed bool
}

AddressFilter is used to filter data returned from GetAddress api method

type AddressUtxoV1 

type AddressUtxoV1 struct {
	Txid          string  `json:"txid"`
	Vout          uint32  `json:"vout"`
	Amount        string  `json:"amount"`
	AmountSat     big.Int `json:"satoshis"`
	Height        int     `json:"height,omitempty"`
	Confirmations int     `json:"confirmations"`
}

AddressUtxoV1 is used for legacy api v1

type AddressV1 

type AddressV1 struct {
	Paging
	AddrStr                 string   `json:"addrStr"`
	Balance                 string   `json:"balance"`
	TotalReceived           string   `json:"totalReceived"`
	TotalSent               string   `json:"totalSent"`
	UnconfirmedBalance      string   `json:"unconfirmedBalance"`
	UnconfirmedTxApperances int      `json:"unconfirmedTxApperances"`
	TxApperances            int      `json:"txApperances"`
	Transactions            []*TxV1  `json:"txs,omitempty"`
	Txids                   []string `json:"transactions,omitempty"`
}

AddressV1 is used for legacy api v1

type Amount 

type Amount big.Int

Amount is datatype holding amounts

func (*Amount) AsBigInt 

func (a *Amount) AsBigInt() big.Int

AsBigInt returns big.Int type for the Amount (empty if Amount is nil)

func (*Amount) AsInt64 

func (a *Amount) AsInt64() int64

AsInt64 returns Amount as int64 (0 if Amount is nil). It is used only for legacy interfaces (socket.io) and generally not recommended to use for possible loss of precision.

func (*Amount) DecimalString 

func (a *Amount) DecimalString(d int) string

DecimalString returns amount with decimal point placed according to parameter d

func (*Amount) MarshalJSON 

func (a *Amount) MarshalJSON() (out []byte, err error)

MarshalJSON Amount serialization

func (*Amount) String 

func (a *Amount) String() string

type BalanceHistories 

type BalanceHistories []BalanceHistory

BalanceHistories is array of BalanceHistory

func (BalanceHistories) Len 

func (a BalanceHistories) Len() int

func (BalanceHistories) Less 

func (a BalanceHistories) Less(i, j int) bool

func (BalanceHistories) SortAndAggregate 

func (a BalanceHistories) SortAndAggregate(groupByTime uint32) BalanceHistories

SortAndAggregate sums BalanceHistories to groups defined by parameter groupByTime

func (BalanceHistories) Swap 

func (a BalanceHistories) Swap(i, j int)

type BalanceHistory 

type BalanceHistory struct {
	Time          uint32             `json:"time"`
	Txs           uint32             `json:"txs"`
	ReceivedSat   *Amount            `json:"received"`
	SentSat       *Amount            `json:"sent"`
	SentToSelfSat *Amount            `json:"sentToSelf"`
	FiatRates     map[string]float64 `json:"rates,omitempty"`
	Txid          string             `json:"txid,omitempty"`
}

BalanceHistory contains info about one point in time of balance history

type Block 

type Block struct {
	Paging
	BlockInfo
	TxCount      int   `json:"txCount"`
	Transactions []*Tx `json:"txs,omitempty"`
}

Block contains information about block

type BlockInfo 

type BlockInfo struct {
	Hash          string            `json:"hash"`
	Prev          string            `json:"previousBlockHash,omitempty"`
	Next          string            `json:"nextBlockHash,omitempty"`
	Height        uint32            `json:"height"`
	Confirmations int               `json:"confirmations"`
	Size          int               `json:"size"`
	Time          int64             `json:"time,omitempty"`
	Version       common.JSONNumber `json:"version"`
	MerkleRoot    string            `json:"merkleRoot"`
	Nonce         string            `json:"nonce"`
	Bits          string            `json:"bits"`
	Difficulty    string            `json:"difficulty"`
	Txids         []string          `json:"tx,omitempty"`
}

BlockInfo contains extended block header data and a list of block txids

type BlockRaw 

type BlockRaw struct {
	Hex string `json:"hex"`
}

BlockRaw contains raw block in hex

type BlockV1 

type BlockV1 struct {
	Paging
	BlockInfo
	TxCount      int     `json:"txCount"`
	Transactions []*TxV1 `json:"txs,omitempty"`
}

BlockV1 contains information about block

type BlockbookInfo 

type BlockbookInfo struct {
	Coin              string                       `json:"coin"`
	Host              string                       `json:"host"`
	Version           string                       `json:"version"`
	GitCommit         string                       `json:"gitCommit"`
	BuildTime         string                       `json:"buildTime"`
	SyncMode          bool                         `json:"syncMode"`
	InitialSync       bool                         `json:"initialSync"`
	InSync            bool                         `json:"inSync"`
	BestHeight        uint32                       `json:"bestHeight"`
	LastBlockTime     time.Time                    `json:"lastBlockTime"`
	InSyncMempool     bool                         `json:"inSyncMempool"`
	LastMempoolTime   time.Time                    `json:"lastMempoolTime"`
	MempoolSize       int                          `json:"mempoolSize"`
	Decimals          int                          `json:"decimals"`
	DbSize            int64                        `json:"dbSize"`
	DbSizeFromColumns int64                        `json:"dbSizeFromColumns,omitempty"`
	DbColumns         []common.InternalStateColumn `json:"dbColumns,omitempty"`
	About             string                       `json:"about"`
}

BlockbookInfo contains information about the running blockbook instance

type Blocks 

type Blocks struct {
	Paging
	Blocks []db.BlockInfo `json:"blocks"`
}

Blocks is list of blocks with paging information

type EthereumSpecific 

type EthereumSpecific struct {
	Status   eth.TxStatus `json:"status"` // 1 OK, 0 Fail, -1 pending
	Nonce    uint64       `json:"nonce"`
	GasLimit *big.Int     `json:"gasLimit"`
	GasUsed  *big.Int     `json:"gasUsed"`
	GasPrice *Amount      `json:"gasPrice"`
	Data     string       `json:"data,omitempty"`
}

EthereumSpecific contains ethereum specific transaction data

type FeeStats 

type FeeStats struct {
	TxCount         int       `json:"txCount"`
	TotalFeesSat    *Amount   `json:"totalFeesSat"`
	AverageFeePerKb int64     `json:"averageFeePerKb"`
	DecilesFeePerKb [11]int64 `json:"decilesFeePerKb"`
}

FeeStats contains detailed block fee statistics

type MempoolTxid 

type MempoolTxid struct {
	Time int64  `json:"time"`
	Txid string `json:"txid"`
}

MempoolTxid contains information about a transaction in mempool

type MempoolTxids 

type MempoolTxids struct {
	Paging
	Mempool     []MempoolTxid `json:"mempool"`
	MempoolSize int           `json:"mempoolSize"`
}

MempoolTxids contains a list of mempool txids with paging information

type Paging 

type Paging struct {
	Page        int `json:"page,omitempty"`
	TotalPages  int `json:"totalPages,omitempty"`
	ItemsOnPage int `json:"itemsOnPage,omitempty"`
}

Paging contains information about paging for address, blocks and block

type ScriptPubKeyV1 

type ScriptPubKeyV1 struct {
	Hex       string                   `json:"hex,omitempty"`
	Asm       string                   `json:"asm,omitempty"`
	AddrDesc  bchain.AddressDescriptor `json:"-"`
	Addresses []string                 `json:"addresses"`
	IsAddress bool                     `json:"-"`
	Type      string                   `json:"type,omitempty"`
}

ScriptPubKeyV1 is used for legacy api v1

type ScriptSigV1 

type ScriptSigV1 struct {
	Hex string `json:"hex,omitempty"`
	Asm string `json:"asm,omitempty"`
}

ScriptSigV1 is used for legacy api v1

type SystemInfo 

type SystemInfo struct {
	Blockbook *BlockbookInfo      `json:"blockbook"`
	Backend   *common.BackendInfo `json:"backend"`
}

SystemInfo contains information about the running blockbook and backend instance

type Token 

type Token struct {
	Type             TokenType `json:"type"`
	Name             string    `json:"name"`
	Path             string    `json:"path,omitempty"`
	Contract         string    `json:"contract,omitempty"`
	Transfers        int       `json:"transfers"`
	Symbol           string    `json:"symbol,omitempty"`
	Decimals         int       `json:"decimals,omitempty"`
	BalanceSat       *Amount   `json:"balance,omitempty"`
	TotalReceivedSat *Amount   `json:"totalReceived,omitempty"`
	TotalSentSat     *Amount   `json:"totalSent,omitempty"`
	ContractIndex    string    `json:"-"`
}

Token contains info about tokens held by an address

type TokenTransfer 

type TokenTransfer struct {
	Type     TokenType `json:"type"`
	From     string    `json:"from"`
	To       string    `json:"to"`
	Token    string    `json:"token"`
	Name     string    `json:"name"`
	Symbol   string    `json:"symbol"`
	Decimals int       `json:"decimals"`
	Value    *Amount   `json:"value"`
}

TokenTransfer contains info about a token transfer done in a transaction

type TokenType 

type TokenType string

TokenType specifies type of token 

const ERC20TokenType TokenType = "ERC20"

ERC20TokenType is Ethereum ERC20 token 

const XPUBAddressTokenType TokenType = "XPUBAddress"

XPUBAddressTokenType is address derived from xpub

type TokensToReturn 

type TokensToReturn int

TokensToReturn specifies what tokens are returned by GetAddress and GetXpubAddress

type Tx 

type Tx struct {
	Txid             string            `json:"txid"`
	Version          int32             `json:"version,omitempty"`
	Locktime         uint32            `json:"lockTime,omitempty"`
	Vin              []Vin             `json:"vin"`
	Vout             []Vout            `json:"vout"`
	Blockhash        string            `json:"blockHash,omitempty"`
	Blockheight      int               `json:"blockHeight"`
	Confirmations    uint32            `json:"confirmations"`
	Blocktime        int64             `json:"blockTime"`
	Size             int               `json:"size,omitempty"`
	ValueOutSat      *Amount           `json:"value"`
	ValueInSat       *Amount           `json:"valueIn,omitempty"`
	FeesSat          *Amount           `json:"fees,omitempty"`
	Hex              string            `json:"hex,omitempty"`
	Rbf              bool              `json:"rbf,omitempty"`
	CoinSpecificData json.RawMessage   `json:"coinSpecificData,omitempty"`
	TokenTransfers   []TokenTransfer   `json:"tokenTransfers,omitempty"`
	EthereumSpecific *EthereumSpecific `json:"ethereumSpecific,omitempty"`
}

Tx holds information about a transaction

type TxV1 

type TxV1 struct {
	Txid          string   `json:"txid"`
	Version       int32    `json:"version,omitempty"`
	Locktime      uint32   `json:"locktime,omitempty"`
	Vin           []VinV1  `json:"vin"`
	Vout          []VoutV1 `json:"vout"`
	Blockhash     string   `json:"blockhash,omitempty"`
	Blockheight   int      `json:"blockheight"`
	Confirmations uint32   `json:"confirmations"`
	Time          int64    `json:"time,omitempty"`
	Blocktime     int64    `json:"blocktime"`
	ValueOut      string   `json:"valueOut"`
	ValueOutSat   big.Int  `json:"-"`
	Size          int      `json:"size,omitempty"`
	ValueIn       string   `json:"valueIn"`
	ValueInSat    big.Int  `json:"-"`
	Fees          string   `json:"fees"`
	FeesSat       big.Int  `json:"-"`
	Hex           string   `json:"hex"`
}

TxV1 is used for legacy api v1

type Utxo 

type Utxo struct {
	Txid          string  `json:"txid"`
	Vout          int32   `json:"vout"`
	AmountSat     *Amount `json:"value"`
	Height        int     `json:"height,omitempty"`
	Confirmations int     `json:"confirmations"`
	Address       string  `json:"address,omitempty"`
	Path          string  `json:"path,omitempty"`
	Locktime      uint32  `json:"lockTime,omitempty"`
	Coinbase      bool    `json:"coinbase,omitempty"`
}

Utxo is one unspent transaction output

type Utxos 

type Utxos []Utxo

Utxos is array of Utxo

func (Utxos) Len 

func (a Utxos) Len() int

func (Utxos) Less 

func (a Utxos) Less(i, j int) bool

func (Utxos) Swap 

func (a Utxos) Swap(i, j int)

type Vin 

type Vin struct {
	Txid      string                   `json:"txid,omitempty"`
	Vout      uint32                   `json:"vout,omitempty"`
	Sequence  int64                    `json:"sequence,omitempty"`
	N         int                      `json:"n"`
	AddrDesc  bchain.AddressDescriptor `json:"-"`
	Addresses []string                 `json:"addresses,omitempty"`
	IsAddress bool                     `json:"isAddress"`
	IsOwn     bool                     `json:"isOwn,omitempty"`
	ValueSat  *Amount                  `json:"value,omitempty"`
	Hex       string                   `json:"hex,omitempty"`
	Asm       string                   `json:"asm,omitempty"`
	Coinbase  string                   `json:"coinbase,omitempty"`
}

Vin contains information about single transaction input

type VinV1 

type VinV1 struct {
	Txid      string                   `json:"txid"`
	Vout      uint32                   `json:"vout"`
	Sequence  int64                    `json:"sequence,omitempty"`
	N         int                      `json:"n"`
	ScriptSig ScriptSigV1              `json:"scriptSig"`
	AddrDesc  bchain.AddressDescriptor `json:"-"`
	Addresses []string                 `json:"addresses"`
	IsAddress bool                     `json:"-"`
	Value     string                   `json:"value"`
	ValueSat  big.Int                  `json:"-"`
}

VinV1 is used for legacy api v1

type Vout 

type Vout struct {
	ValueSat    *Amount                  `json:"value,omitempty"`
	N           int                      `json:"n"`
	Spent       bool                     `json:"spent,omitempty"`
	SpentTxID   string                   `json:"spentTxId,omitempty"`
	SpentIndex  int                      `json:"spentIndex,omitempty"`
	SpentHeight int                      `json:"spentHeight,omitempty"`
	Hex         string                   `json:"hex,omitempty"`
	Asm         string                   `json:"asm,omitempty"`
	AddrDesc    bchain.AddressDescriptor `json:"-"`
	Addresses   []string                 `json:"addresses"`
	IsAddress   bool                     `json:"isAddress"`
	IsOwn       bool                     `json:"isOwn,omitempty"`
	Type        string                   `json:"type,omitempty"`
}

Vout contains information about single transaction output

type VoutV1 

type VoutV1 struct {
	Value        string         `json:"value"`
	ValueSat     big.Int        `json:"-"`
	N            int            `json:"n"`
	ScriptPubKey ScriptPubKeyV1 `json:"scriptPubKey"`
	Spent        bool           `json:"spent"`
	SpentTxID    string         `json:"spentTxId,omitempty"`
	SpentIndex   int            `json:"spentIndex,omitempty"`
	SpentHeight  int            `json:"spentHeight,omitempty"`
}

VoutV1 is used for legacy api v1

type Worker 

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

Worker is handle to api worker

func NewWorker 

func NewWorker(db *db.RocksDB, chain bchain.BlockChain, mempool bchain.Mempool, txCache *db.TxCache, metrics *common.Metrics, is *common.InternalState) (*Worker, error)

NewWorker creates new api worker

func (*Worker) AddressToV1 

func (w *Worker) AddressToV1(a *Address) *AddressV1

AddressToV1 converts Address to AddressV1

func (*Worker) AddressUtxoToV1 

func (w *Worker) AddressUtxoToV1(au Utxos) []AddressUtxoV1

AddressUtxoToV1 converts []AddressUtxo to []AddressUtxoV1

func (*Worker) BitcoinTypeEstimateFee 

func (w *Worker) BitcoinTypeEstimateFee(blocks int, conservative bool) (big.Int, error)

BitcoinTypeEstimateFee returns a fee estimation for given number of blocks it uses 10 second cache to reduce calls to the backend

func (*Worker) BlockToV1 

func (w *Worker) BlockToV1(b *Block) *BlockV1

BlockToV1 converts Address to Address1

func (*Worker) ComputeFeeStats 

func (w *Worker) ComputeFeeStats(blockFrom, blockTo int, stopCompute chan os.Signal) error

ComputeFeeStats computes fee distribution in defined blocks and logs them to log

func (*Worker) GetAddress 

func (w *Worker) GetAddress(address string, page int, txsOnPage int, option AccountDetails, filter *AddressFilter) (*Address, error)

GetAddress computes address value and gets transactions for given address

func (*Worker) GetAddressUtxo 

func (w *Worker) GetAddressUtxo(address string, onlyConfirmed bool) (Utxos, error)

GetAddressUtxo returns unspent outputs for given address

func (*Worker) GetBalanceHistory 

func (w *Worker) GetBalanceHistory(address string, fromTimestamp, toTimestamp int64, currencies []string, groupBy uint32) (BalanceHistories, error)

GetBalanceHistory returns history of balance for given address

func (*Worker) GetBlock 

func (w *Worker) GetBlock(bid string, page int, txsOnPage int) (*Block, error)

GetBlock returns paged data about block

func (*Worker) GetBlockRaw 

func (w *Worker) GetBlockRaw(bid string) (*BlockRaw, error)

GetBlock returns paged data about block

func (*Worker) GetBlocks 

func (w *Worker) GetBlocks(page int, blocksOnPage int) (*Blocks, error)

GetBlocks returns BlockInfo for blocks on given page

func (*Worker) GetCurrentFiatRates 

func (w *Worker) GetCurrentFiatRates(currencies []string) (*db.ResultTickerAsString, error)

GetCurrentFiatRates returns last available fiat rates

func (*Worker) GetFeeStats 

func (w *Worker) GetFeeStats(bid string) (*FeeStats, error)

GetFeeStats returns statistics about block fees

func (*Worker) GetFiatRatesForBlockID 

func (w *Worker) GetFiatRatesForBlockID(bid string, currencies []string) (*db.ResultTickerAsString, error)

GetFiatRatesForBlockID returns fiat rates for block height or block hash

func (*Worker) GetFiatRatesForTimestamps 

func (w *Worker) GetFiatRatesForTimestamps(timestamps []int64, currencies []string) (*db.ResultTickersAsString, error)

GetFiatRatesForTimestamps returns fiat rates for each of the provided dates

func (*Worker) GetFiatRatesTickersList 

func (w *Worker) GetFiatRatesTickersList(timestamp int64) (*db.ResultTickerListAsString, error)

GetFiatRatesTickersList returns the list of available fiatRates tickers

func (*Worker) GetMempool 

func (w *Worker) GetMempool(page int, itemsOnPage int) (*MempoolTxids, error)

GetMempool returns a page of mempool txids

func (*Worker) GetSpendingTxid 

func (w *Worker) GetSpendingTxid(txid string, n int) (string, error)

GetSpendingTxid returns transaction id of transaction that spent given output

func (*Worker) GetSystemInfo 

func (w *Worker) GetSystemInfo(internal bool) (*SystemInfo, error)

GetSystemInfo returns information about system

func (*Worker) GetTransaction 

func (w *Worker) GetTransaction(txid string, spendingTxs bool, specificJSON bool) (*Tx, error)

GetTransaction reads transaction data from txid

func (*Worker) GetTransactionFromBchainTx 

func (w *Worker) GetTransactionFromBchainTx(bchainTx *bchain.Tx, height int, spendingTxs bool, specificJSON bool) (*Tx, error)

GetTransactionFromBchainTx reads transaction data from txid

func (*Worker) GetTransactionFromMempoolTx 

func (w *Worker) GetTransactionFromMempoolTx(mempoolTx *bchain.MempoolTx) (*Tx, error)

GetTransactionFromMempoolTx converts bchain.MempoolTx to Tx, with limited amount of data it is not doing any request to backend or to db

func (*Worker) GetXpubAddress 

func (w *Worker) GetXpubAddress(xpub string, page int, txsOnPage int, option AccountDetails, filter *AddressFilter, gap int) (*Address, error)

GetXpubAddress computes address value and gets transactions for given address

func (*Worker) GetXpubBalanceHistory 

func (w *Worker) GetXpubBalanceHistory(xpub string, fromTimestamp, toTimestamp int64, currencies []string, gap int, groupBy uint32) (BalanceHistories, error)

GetXpubBalanceHistory returns history of balance for given xpub

func (*Worker) GetXpubUtxo 

func (w *Worker) GetXpubUtxo(xpub string, onlyConfirmed bool, gap int) (Utxos, error)

GetXpubUtxo returns unspent outputs for given xpub

func (*Worker) TxToV1 

func (w *Worker) TxToV1(tx *Tx) *TxV1

TxToV1 converts Tx to TxV1

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