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call.go
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call.go
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// Copyright 2017 Monax Industries Limited
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package methods
import (
"fmt"
"github.com/hyperledger/burrow/client"
"github.com/hyperledger/burrow/client/rpc"
"github.com/hyperledger/burrow/definitions"
"github.com/hyperledger/burrow/keys"
)
func Call(do *definitions.ClientDo) error {
// construct two clients to call out to keys server and
// blockchain node.
logger, err := loggerFromClientDo(do, "Call")
if err != nil {
return fmt.Errorf("Could not generate logging config from ClientDo: %s", err)
}
burrowKeyClient := keys.NewBurrowKeyClient(do.SignAddrFlag, logger)
burrowNodeClient := client.NewBurrowNodeClient(do.NodeAddrFlag, logger)
// form the call transaction
callTransaction, err := rpc.Call(burrowNodeClient, burrowKeyClient,
do.PubkeyFlag, do.AddrFlag, do.ToFlag, do.AmtFlag, do.NonceFlag,
do.GasFlag, do.FeeFlag, do.DataFlag)
if err != nil {
return fmt.Errorf("Failed on forming Call Transaction: %s", err)
}
// TODO: [ben] we carry over the sign bool, but always set it to true,
// as we move away from and deprecate the api that allows sending unsigned
// transactions and relying on (our) receiving node to sign it.
txResult, err := rpc.SignAndBroadcast(do.ChainidFlag, burrowNodeClient, burrowKeyClient,
callTransaction, true, do.BroadcastFlag, do.WaitFlag)
if err != nil {
return fmt.Errorf("Failed on signing (and broadcasting) transaction: %s", err)
}
unpackSignAndBroadcast(txResult, logger)
return nil
}