blockbook/bchain/coins/blockchain.go

279 lines
11 KiB
Go

package coins
import (
"blockbook/bchain"
"blockbook/bchain/coins/bch"
"blockbook/bchain/coins/btc"
"blockbook/bchain/coins/btg"
"blockbook/bchain/coins/dash"
"blockbook/bchain/coins/digibyte"
"blockbook/bchain/coins/dogecoin"
"blockbook/bchain/coins/eth"
"blockbook/bchain/coins/fujicoin"
"blockbook/bchain/coins/gamecredits"
"blockbook/bchain/coins/grs"
"blockbook/bchain/coins/koto"
"blockbook/bchain/coins/liquid"
"blockbook/bchain/coins/litecoin"
"blockbook/bchain/coins/monacoin"
"blockbook/bchain/coins/myriad"
"blockbook/bchain/coins/namecoin"
"blockbook/bchain/coins/pivx"
"blockbook/bchain/coins/vertcoin"
"blockbook/bchain/coins/xzc"
"blockbook/bchain/coins/zec"
"blockbook/common"
"context"
"encoding/json"
"fmt"
"io/ioutil"
"math/big"
"reflect"
"time"
"github.com/juju/errors"
)
type blockChainFactory func(config json.RawMessage, pushHandler func(bchain.NotificationType)) (bchain.BlockChain, error)
// BlockChainFactories is a map of constructors of coin RPC interfaces
var BlockChainFactories = make(map[string]blockChainFactory)
func init() {
BlockChainFactories["Bitcoin"] = btc.NewBitcoinRPC
BlockChainFactories["Testnet"] = btc.NewBitcoinRPC
BlockChainFactories["Zcash"] = zec.NewZCashRPC
BlockChainFactories["Zcash Testnet"] = zec.NewZCashRPC
BlockChainFactories["Ethereum"] = eth.NewEthereumRPC
BlockChainFactories["Ethereum Classic"] = eth.NewEthereumRPC
BlockChainFactories["Ethereum Testnet Ropsten"] = eth.NewEthereumRPC
BlockChainFactories["Bcash"] = bch.NewBCashRPC
BlockChainFactories["Bcash Testnet"] = bch.NewBCashRPC
BlockChainFactories["Bgold"] = btg.NewBGoldRPC
BlockChainFactories["Dash"] = dash.NewDashRPC
BlockChainFactories["Dash Testnet"] = dash.NewDashRPC
BlockChainFactories["GameCredits"] = gamecredits.NewGameCreditsRPC
BlockChainFactories["Koto"] = koto.NewKotoRPC
BlockChainFactories["Koto Testnet"] = koto.NewKotoRPC
BlockChainFactories["Litecoin"] = litecoin.NewLitecoinRPC
BlockChainFactories["Litecoin Testnet"] = litecoin.NewLitecoinRPC
BlockChainFactories["Dogecoin"] = dogecoin.NewDogecoinRPC
BlockChainFactories["Vertcoin"] = vertcoin.NewVertcoinRPC
BlockChainFactories["Vertcoin Testnet"] = vertcoin.NewVertcoinRPC
BlockChainFactories["Namecoin"] = namecoin.NewNamecoinRPC
BlockChainFactories["Monacoin"] = monacoin.NewMonacoinRPC
BlockChainFactories["Monacoin Testnet"] = monacoin.NewMonacoinRPC
BlockChainFactories["DigiByte"] = digibyte.NewDigiByteRPC
BlockChainFactories["Myriad"] = myriad.NewMyriadRPC
BlockChainFactories["Liquid"] = liquid.NewLiquidRPC
BlockChainFactories["Groestlcoin"] = grs.NewGroestlcoinRPC
BlockChainFactories["Groestlcoin Testnet"] = grs.NewGroestlcoinRPC
BlockChainFactories["PIVX"] = pivx.NewPivXRPC
BlockChainFactories["Zcoin"] = xzc.NewZcoinRPC
BlockChainFactories["Fujicoin"] = fujicoin.NewFujicoinRPC
}
// GetCoinNameFromConfig gets coin name and coin shortcut from config file
func GetCoinNameFromConfig(configfile string) (string, string, string, error) {
data, err := ioutil.ReadFile(configfile)
if err != nil {
return "", "", "", errors.Annotatef(err, "Error reading file %v", configfile)
}
var cn struct {
CoinName string `json:"coin_name"`
CoinShortcut string `json:"coin_shortcut"`
CoinLabel string `json:"coin_label"`
}
err = json.Unmarshal(data, &cn)
if err != nil {
return "", "", "", errors.Annotatef(err, "Error parsing file %v", configfile)
}
return cn.CoinName, cn.CoinShortcut, cn.CoinLabel, nil
}
// NewBlockChain creates bchain.BlockChain of type defined by parameter coin
func NewBlockChain(coin string, configfile string, pushHandler func(bchain.NotificationType), metrics *common.Metrics) (bchain.BlockChain, error) {
data, err := ioutil.ReadFile(configfile)
if err != nil {
return nil, errors.Annotatef(err, "Error reading file %v", configfile)
}
var config json.RawMessage
err = json.Unmarshal(data, &config)
if err != nil {
return nil, errors.Annotatef(err, "Error parsing file %v", configfile)
}
bcf, ok := BlockChainFactories[coin]
if !ok {
return nil, errors.New(fmt.Sprint("Unsupported coin '", coin, "'. Must be one of ", reflect.ValueOf(BlockChainFactories).MapKeys()))
}
bc, err := bcf(config, pushHandler)
if err != nil {
return nil, err
}
err = bc.Initialize()
if err != nil {
return nil, err
}
return &blockChainWithMetrics{b: bc, m: metrics}, nil
}
type blockChainWithMetrics struct {
b bchain.BlockChain
m *common.Metrics
}
func (c *blockChainWithMetrics) observeRPCLatency(method string, start time.Time, err error) {
var e string
if err != nil {
e = err.Error()
}
c.m.RPCLatency.With(common.Labels{"method": method, "error": e}).Observe(float64(time.Since(start)) / 1e6) // in milliseconds
}
func (c *blockChainWithMetrics) Initialize() error {
return c.b.Initialize()
}
func (c *blockChainWithMetrics) Shutdown(ctx context.Context) error {
return c.b.Shutdown(ctx)
}
func (c *blockChainWithMetrics) IsTestnet() bool {
return c.b.IsTestnet()
}
func (c *blockChainWithMetrics) GetNetworkName() string {
return c.b.GetNetworkName()
}
func (c *blockChainWithMetrics) GetCoinName() string {
return c.b.GetCoinName()
}
func (c *blockChainWithMetrics) GetSubversion() string {
return c.b.GetSubversion()
}
func (c *blockChainWithMetrics) GetChainInfo() (v *bchain.ChainInfo, err error) {
defer func(s time.Time) { c.observeRPCLatency("GetChainInfo", s, err) }(time.Now())
return c.b.GetChainInfo()
}
func (c *blockChainWithMetrics) GetBestBlockHash() (v string, err error) {
defer func(s time.Time) { c.observeRPCLatency("GetBestBlockHash", s, err) }(time.Now())
return c.b.GetBestBlockHash()
}
func (c *blockChainWithMetrics) GetBestBlockHeight() (v uint32, err error) {
defer func(s time.Time) { c.observeRPCLatency("GetBestBlockHeight", s, err) }(time.Now())
return c.b.GetBestBlockHeight()
}
func (c *blockChainWithMetrics) GetBlockHash(height uint32) (v string, err error) {
defer func(s time.Time) { c.observeRPCLatency("GetBlockHash", s, err) }(time.Now())
return c.b.GetBlockHash(height)
}
func (c *blockChainWithMetrics) GetBlockHeader(hash string) (v *bchain.BlockHeader, err error) {
defer func(s time.Time) { c.observeRPCLatency("GetBlockHeader", s, err) }(time.Now())
return c.b.GetBlockHeader(hash)
}
func (c *blockChainWithMetrics) GetBlock(hash string, height uint32) (v *bchain.Block, err error) {
defer func(s time.Time) { c.observeRPCLatency("GetBlock", s, err) }(time.Now())
return c.b.GetBlock(hash, height)
}
func (c *blockChainWithMetrics) GetBlockInfo(hash string) (v *bchain.BlockInfo, err error) {
defer func(s time.Time) { c.observeRPCLatency("GetBlockInfo", s, err) }(time.Now())
return c.b.GetBlockInfo(hash)
}
func (c *blockChainWithMetrics) GetMempool() (v []string, err error) {
defer func(s time.Time) { c.observeRPCLatency("GetMempool", s, err) }(time.Now())
return c.b.GetMempool()
}
func (c *blockChainWithMetrics) GetTransaction(txid string) (v *bchain.Tx, err error) {
defer func(s time.Time) { c.observeRPCLatency("GetTransaction", s, err) }(time.Now())
return c.b.GetTransaction(txid)
}
func (c *blockChainWithMetrics) GetTransactionSpecific(tx *bchain.Tx) (v json.RawMessage, err error) {
defer func(s time.Time) { c.observeRPCLatency("GetTransactionSpecific", s, err) }(time.Now())
return c.b.GetTransactionSpecific(tx)
}
func (c *blockChainWithMetrics) GetTransactionForMempool(txid string) (v *bchain.Tx, err error) {
defer func(s time.Time) { c.observeRPCLatency("GetTransactionForMempool", s, err) }(time.Now())
return c.b.GetTransactionForMempool(txid)
}
func (c *blockChainWithMetrics) EstimateSmartFee(blocks int, conservative bool) (v big.Int, err error) {
defer func(s time.Time) { c.observeRPCLatency("EstimateSmartFee", s, err) }(time.Now())
return c.b.EstimateSmartFee(blocks, conservative)
}
func (c *blockChainWithMetrics) EstimateFee(blocks int) (v big.Int, err error) {
defer func(s time.Time) { c.observeRPCLatency("EstimateFee", s, err) }(time.Now())
return c.b.EstimateFee(blocks)
}
func (c *blockChainWithMetrics) SendRawTransaction(tx string) (v string, err error) {
defer func(s time.Time) { c.observeRPCLatency("SendRawTransaction", s, err) }(time.Now())
return c.b.SendRawTransaction(tx)
}
func (c *blockChainWithMetrics) ResyncMempool(onNewTxAddr bchain.OnNewTxAddrFunc) (count int, err error) {
defer func(s time.Time) { c.observeRPCLatency("ResyncMempool", s, err) }(time.Now())
count, err = c.b.ResyncMempool(onNewTxAddr)
if err == nil {
c.m.MempoolSize.Set(float64(count))
}
return count, err
}
func (c *blockChainWithMetrics) GetMempoolTransactions(address string) (v []bchain.Outpoint, err error) {
defer func(s time.Time) { c.observeRPCLatency("GetMempoolTransactions", s, err) }(time.Now())
return c.b.GetMempoolTransactions(address)
}
func (c *blockChainWithMetrics) GetMempoolTransactionsForAddrDesc(addrDesc bchain.AddressDescriptor) (v []bchain.Outpoint, err error) {
defer func(s time.Time) { c.observeRPCLatency("GetMempoolTransactionsForAddrDesc", s, err) }(time.Now())
return c.b.GetMempoolTransactionsForAddrDesc(addrDesc)
}
func (c *blockChainWithMetrics) GetMempoolEntry(txid string) (v *bchain.MempoolEntry, err error) {
defer func(s time.Time) { c.observeRPCLatency("GetMempoolEntry", s, err) }(time.Now())
return c.b.GetMempoolEntry(txid)
}
func (c *blockChainWithMetrics) GetChainParser() bchain.BlockChainParser {
return c.b.GetChainParser()
}
func (c *blockChainWithMetrics) EthereumTypeGetBalance(addrDesc bchain.AddressDescriptor) (v *big.Int, err error) {
defer func(s time.Time) { c.observeRPCLatency("EthereumTypeGetBalance", s, err) }(time.Now())
return c.b.EthereumTypeGetBalance(addrDesc)
}
func (c *blockChainWithMetrics) EthereumTypeGetNonce(addrDesc bchain.AddressDescriptor) (v uint64, err error) {
defer func(s time.Time) { c.observeRPCLatency("EthereumTypeGetNonce", s, err) }(time.Now())
return c.b.EthereumTypeGetNonce(addrDesc)
}
func (c *blockChainWithMetrics) EthereumTypeEstimateGas(params map[string]interface{}) (v uint64, err error) {
defer func(s time.Time) { c.observeRPCLatency("EthereumTypeEstimateGas", s, err) }(time.Now())
return c.b.EthereumTypeEstimateGas(params)
}
func (c *blockChainWithMetrics) EthereumTypeGetErc20ContractInfo(contractDesc bchain.AddressDescriptor) (v *bchain.Erc20Contract, err error) {
defer func(s time.Time) { c.observeRPCLatency("EthereumTypeGetErc20ContractInfo", s, err) }(time.Now())
return c.b.EthereumTypeGetErc20ContractInfo(contractDesc)
}
func (c *blockChainWithMetrics) EthereumTypeGetErc20ContractBalance(addrDesc, contractDesc bchain.AddressDescriptor) (v *big.Int, err error) {
defer func(s time.Time) { c.observeRPCLatency("EthereumTypeGetErc20ContractInfo", s, err) }(time.Now())
return c.b.EthereumTypeGetErc20ContractBalance(addrDesc, contractDesc)
}