You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
114 lines
3.4 KiB
114 lines
3.4 KiB
package core
|
|
|
|
import (
|
|
"fmt"
|
|
"time"
|
|
|
|
abci "github.com/tendermint/abci/types"
|
|
data "github.com/tendermint/go-wire/data"
|
|
ctypes "github.com/tendermint/tendermint/rpc/core/types"
|
|
"github.com/tendermint/tendermint/types"
|
|
)
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// NOTE: tx should be signed, but this is only checked at the app level (not by Tendermint!)
|
|
|
|
// Returns right away, with no response
|
|
func BroadcastTxAsync(tx types.Tx) (*ctypes.ResultBroadcastTx, error) {
|
|
err := mempool.CheckTx(tx, nil)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("Error broadcasting transaction: %v", err)
|
|
}
|
|
return &ctypes.ResultBroadcastTx{Hash: tx.Hash()}, nil
|
|
}
|
|
|
|
// Returns with the response from CheckTx
|
|
func BroadcastTxSync(tx types.Tx) (*ctypes.ResultBroadcastTx, error) {
|
|
resCh := make(chan *abci.Response, 1)
|
|
err := mempool.CheckTx(tx, func(res *abci.Response) {
|
|
resCh <- res
|
|
})
|
|
if err != nil {
|
|
return nil, fmt.Errorf("Error broadcasting transaction: %v", err)
|
|
}
|
|
res := <-resCh
|
|
r := res.GetCheckTx()
|
|
return &ctypes.ResultBroadcastTx{
|
|
Code: r.Code,
|
|
Data: r.Data,
|
|
Log: r.Log,
|
|
Hash: tx.Hash(),
|
|
}, nil
|
|
}
|
|
|
|
// CONTRACT: only returns error if mempool.BroadcastTx errs (ie. problem with the app)
|
|
// or if we timeout waiting for tx to commit.
|
|
// If CheckTx or DeliverTx fail, no error will be returned, but the returned result
|
|
// will contain a non-OK ABCI code.
|
|
func BroadcastTxCommit(tx types.Tx) (*ctypes.ResultBroadcastTxCommit, error) {
|
|
|
|
// subscribe to tx being committed in block
|
|
deliverTxResCh := make(chan types.EventDataTx, 1)
|
|
types.AddListenerForEvent(eventSwitch, "rpc", types.EventStringTx(tx), func(data types.TMEventData) {
|
|
deliverTxResCh <- data.(types.EventDataTx)
|
|
})
|
|
|
|
// broadcast the tx and register checktx callback
|
|
checkTxResCh := make(chan *abci.Response, 1)
|
|
err := mempool.CheckTx(tx, func(res *abci.Response) {
|
|
checkTxResCh <- res
|
|
})
|
|
if err != nil {
|
|
log.Error("err", "err", err)
|
|
return nil, fmt.Errorf("Error broadcasting transaction: %v", err)
|
|
}
|
|
checkTxRes := <-checkTxResCh
|
|
checkTxR := checkTxRes.GetCheckTx()
|
|
if checkTxR.Code != abci.CodeType_OK {
|
|
// CheckTx failed!
|
|
return &ctypes.ResultBroadcastTxCommit{
|
|
CheckTx: checkTxR,
|
|
DeliverTx: nil,
|
|
Hash: tx.Hash(),
|
|
}, nil
|
|
}
|
|
|
|
// Wait for the tx to be included in a block,
|
|
// timeout after something reasonable.
|
|
// TODO: configureable?
|
|
timer := time.NewTimer(60 * 2 * time.Second)
|
|
select {
|
|
case deliverTxRes := <-deliverTxResCh:
|
|
// The tx was included in a block.
|
|
deliverTxR := &abci.ResponseDeliverTx{
|
|
Code: deliverTxRes.Code,
|
|
Data: deliverTxRes.Data,
|
|
Log: deliverTxRes.Log,
|
|
}
|
|
log.Notice("DeliverTx passed ", "tx", data.Bytes(tx), "response", deliverTxR)
|
|
return &ctypes.ResultBroadcastTxCommit{
|
|
CheckTx: checkTxR,
|
|
DeliverTx: deliverTxR,
|
|
Hash: tx.Hash(),
|
|
Height: deliverTxRes.Height,
|
|
}, nil
|
|
case <-timer.C:
|
|
log.Error("failed to include tx")
|
|
return &ctypes.ResultBroadcastTxCommit{
|
|
CheckTx: checkTxR,
|
|
DeliverTx: nil,
|
|
Hash: tx.Hash(),
|
|
}, fmt.Errorf("Timed out waiting for transaction to be included in a block")
|
|
}
|
|
|
|
panic("Should never happen!")
|
|
}
|
|
|
|
func UnconfirmedTxs() (*ctypes.ResultUnconfirmedTxs, error) {
|
|
txs := mempool.Reap(-1)
|
|
return &ctypes.ResultUnconfirmedTxs{len(txs), txs}, nil
|
|
}
|
|
|
|
func NumUnconfirmedTxs() (*ctypes.ResultUnconfirmedTxs, error) {
|
|
return &ctypes.ResultUnconfirmedTxs{N: mempool.Size()}, nil
|
|
}
|