// send sends a JSON-RPC command to the specified RPC server and examines the
// results for various error conditions. It either returns a valid result or
// an appropriate error.
func send(cfg *config, msg []byte) (interface{}, error) {
var reply btcjson.Reply
var err error
if cfg.NoTLS || (cfg.RPCCert == "" && !cfg.TLSSkipVerify) {
reply, err = btcjson.RpcCommand(cfg.RPCUser, cfg.RPCPassword,
cfg.RPCServer, msg)
} else {
var pem []byte
if cfg.RPCCert != "" {
pem, err = ioutil.ReadFile(cfg.RPCCert)
if err != nil {
return nil, err
}
}
reply, err = btcjson.TlsRpcCommand(cfg.RPCUser,
cfg.RPCPassword, cfg.RPCServer, msg, pem,
cfg.TLSSkipVerify)
}
if err != nil {
return nil, err
}
if reply.Error != nil {
return nil, reply.Error
}
return reply.Result, nil
}
func getBestBlockHash() (string, error) {
cmd, err := btcjson.NewGetBestBlockHashCmd("blocksafari")
if err != nil {
return "", err
}
msg, err := json.Marshal(cmd)
if err != nil {
return "", err
}
reply, err := btcjson.TlsRpcCommand(cfg.RPCUser, cfg.RPCPassword, cfg.RPCServer, msg, pem, false)
if err != nil {
return "", err
}
if reply.Error != nil {
return "", reply.Error
}
return reply.Result.(string), nil
}
func getBlockCount() (float64, error) {
cmd, err := btcjson.NewGetBlockCountCmd("blocksafari")
if err != nil {
return -1, err
}
msg, err := json.Marshal(cmd)
if err != nil {
return -1, err
}
reply, err := btcjson.TlsRpcCommand(cfg.RPCUser, cfg.RPCPassword, cfg.RPCServer, msg, pem, false)
if err != nil {
return -1, err
}
if reply.Error != nil {
return -1, reply.Error
}
return reply.Result.(float64), nil
}
func getRawTx(tx string) (interface{}, error) {
cmd, err := btcjson.NewGetRawTransactionCmd("blocksafari", tx, 1)
if err != nil {
return nil, err
}
msg, err := json.Marshal(cmd)
if err != nil {
return nil, err
}
reply, err := btcjson.TlsRpcCommand(cfg.RPCUser, cfg.RPCPassword, cfg.RPCServer, msg, pem, false)
if err != nil {
return nil, err
}
if reply.Error != nil {
return nil, reply.Error
}
return reply.Result, nil
}
func getBlock(block string, withTx bool) (btcjson.BlockResult, error) {
var result btcjson.BlockResult
cmd, err := btcjson.NewGetBlockCmd("blocksafari", block, true, withTx)
if err != nil {
return result, err
}
msg, err := json.Marshal(cmd)
if err != nil {
return result, err
}
reply, err := btcjson.TlsRpcCommand(cfg.RPCUser, cfg.RPCPassword, cfg.RPCServer, msg, pem, false)
if err != nil {
return result, err
}
if reply.Error != nil {
return result, reply.Error
}
return reply.Result.(btcjson.BlockResult), nil
}