149 lines
3.2 KiB
Go
149 lines
3.2 KiB
Go
package eth
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import (
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"blockbook/bchain"
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"blockbook/common"
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"context"
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"encoding/json"
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"time"
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"github.com/golang/glog"
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"github.com/juju/errors"
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"github.com/ethereum/go-ethereum/ethclient"
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)
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// EthRPC is an interface to JSON-RPC eth service.
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type EthRPC struct {
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client *ethclient.Client
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ctx context.Context
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ctxCancel context.CancelFunc
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rpcURL string
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Parser *EthParser
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Testnet bool
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Network string
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Mempool *bchain.Mempool
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metrics *common.Metrics
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}
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type configuration struct {
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RPCURL string `json:"rpcURL"`
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RPCTimeout int `json:"rpcTimeout"`
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}
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// NewEthRPC returns new EthRPC instance.
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func NewEthRPC(config json.RawMessage, pushHandler func(*bchain.MQMessage), metrics *common.Metrics) (bchain.BlockChain, error) {
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var err error
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var c configuration
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err = json.Unmarshal(config, &c)
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if err != nil {
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return nil, errors.Annotatef(err, "Invalid configuration file")
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}
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ec, err := ethclient.Dial(c.RPCURL)
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if err != nil {
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return nil, err
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}
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ctx, cancel := context.WithTimeout(context.Background(), time.Duration(c.RPCTimeout)*time.Second)
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s := &EthRPC{
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client: ec,
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ctx: ctx,
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ctxCancel: cancel,
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rpcURL: c.RPCURL,
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metrics: metrics,
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}
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// always create parser
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s.Parser = &EthParser{}
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h, err := ec.HeaderByNumber(s.ctx, nil)
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if err != nil {
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return nil, err
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}
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glog.Info("best block ", h.Number)
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// // parameters for getInfo request
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// if s.Parser.Params.Net == wire.MainNet {
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// s.Testnet = false
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// s.Network = "livenet"
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// } else {
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// s.Testnet = true
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// s.Network = "testnet"
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// }
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// s.Mempool = bchain.NewMempool(s, metrics)
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// glog.Info("rpc: block chain ", s.Parser.Params.Name)
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return s, nil
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}
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func (b *EthRPC) Shutdown() error {
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if b.ctxCancel != nil {
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b.ctxCancel()
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}
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return nil
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}
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func (b *EthRPC) IsTestnet() bool {
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panic("not implemented")
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}
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func (b *EthRPC) GetNetworkName() string {
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panic("not implemented")
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}
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func (b *EthRPC) GetBestBlockHash() (string, error) {
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panic("not implemented")
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}
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func (b *EthRPC) GetBestBlockHeight() (uint32, error) {
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panic("not implemented")
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}
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func (b *EthRPC) GetBlockHash(height uint32) (string, error) {
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panic("not implemented")
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}
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func (b *EthRPC) GetBlockHeader(hash string) (*bchain.BlockHeader, error) {
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panic("not implemented")
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}
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func (b *EthRPC) GetBlock(hash string, height uint32) (*bchain.Block, error) {
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panic("not implemented")
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}
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func (b *EthRPC) GetMempool() ([]string, error) {
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panic("not implemented")
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}
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func (b *EthRPC) GetTransaction(txid string) (*bchain.Tx, error) {
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panic("not implemented")
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}
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func (b *EthRPC) EstimateSmartFee(blocks int, conservative bool) (float64, error) {
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panic("not implemented")
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}
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func (b *EthRPC) SendRawTransaction(tx string) (string, error) {
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panic("not implemented")
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}
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func (b *EthRPC) ResyncMempool(onNewTxAddr func(txid string, addr string)) error {
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panic("not implemented")
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}
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func (b *EthRPC) GetMempoolTransactions(outputScript []byte) ([]string, error) {
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panic("not implemented")
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}
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func (b *EthRPC) GetMempoolSpentOutput(outputTxid string, vout uint32) string {
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panic("not implemented")
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}
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func (b *EthRPC) GetMempoolEntry(txid string) (*bchain.MempoolEntry, error) {
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panic("not implemented")
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}
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func (b *EthRPC) GetChainParser() bchain.BlockChainParser {
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panic("not implemented")
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}
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