116 lines
2.5 KiB
Go
116 lines
2.5 KiB
Go
package monetaryunit
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import (
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"encoding/json"
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"github.com/golang/glog"
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"spacecruft.org/spacecruft/blockbook/bchain"
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"spacecruft.org/spacecruft/blockbook/bchain/coins/btc"
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)
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// MonetaryUnitRPC is an interface to JSON-RPC bitcoind service.
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type MonetaryUnitRPC struct {
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*btc.BitcoinRPC
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}
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// NewMonetaryUnitRPC returns new MonetaryUnitRPC instance.
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func NewMonetaryUnitRPC(config json.RawMessage, pushHandler func(bchain.NotificationType)) (bchain.BlockChain, error) {
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b, err := btc.NewBitcoinRPC(config, pushHandler)
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if err != nil {
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return nil, err
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}
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s := &MonetaryUnitRPC{
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b.(*btc.BitcoinRPC),
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}
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s.RPCMarshaler = btc.JSONMarshalerV1{}
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s.ChainConfig.SupportsEstimateFee = true
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s.ChainConfig.SupportsEstimateSmartFee = false
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return s, nil
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}
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// Initialize initializes MonetaryUnitRPC instance.
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func (b *MonetaryUnitRPC) Initialize() error {
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ci, err := b.GetChainInfo()
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if err != nil {
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return err
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}
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chainName := ci.Chain
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glog.Info("Chain name ", chainName)
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params := GetChainParams(chainName)
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// always create parser
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b.Parser = NewMonetaryUnitParser(params, b.ChainConfig)
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// parameters for getInfo request
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if params.Net == MainnetMagic {
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b.Testnet = false
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b.Network = "livenet"
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} else {
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b.Testnet = true
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b.Network = "testnet"
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}
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glog.Info("rpc: block chain ", params.Name)
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return nil
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}
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// GetBlock gets block from backend
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func (b *MonetaryUnitRPC) GetBlock(hash string, height uint32) (*bchain.Block, error) {
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if height == 0 {
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var err error
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if hash == "" {
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hash, err = b.GetBlockHash(height)
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if err != nil {
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return nil, err
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}
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}
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if !b.ParseBlocks {
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return b.GetBlockFull(hash)
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}
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return b.GetBlockWithoutHeader(hash, height)
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}
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var err error
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if hash == "" && height > 0 {
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hash, err = b.GetBlockHash(height)
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if err != nil {
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return nil, err
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}
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}
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glog.V(1).Info("rpc: getblock (verbosity=1) ", hash)
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res := btc.ResGetBlockThin{}
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req := btc.CmdGetBlock{Method: "getblock"}
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req.Params.BlockHash = hash
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req.Params.Verbosity = 1
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err = b.Call(&req, &res)
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if err != nil {
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return nil, err
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}
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txs := make([]bchain.Tx, 0, len(res.Result.Txids))
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for _, txid := range res.Result.Txids {
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tx, err := b.GetTransaction(txid)
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if err != nil {
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if err == bchain.ErrTxNotFound {
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glog.Errorf("rpc: getblock: skipping transanction in block %s due error: %s", hash, err)
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continue
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}
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return nil, err
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}
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txs = append(txs, *tx)
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}
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block := &bchain.Block{
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BlockHeader: res.Result.BlockHeader,
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Txs: txs,
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}
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return block, nil
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}
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