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feat(wardend): add wardend q wait-tx command (#115)
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Pitasi committed Mar 22, 2024
1 parent 1e9fa67 commit a9af418
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Showing 2 changed files with 211 additions and 0 deletions.
1 change: 1 addition & 0 deletions cmd/wardend/cmd/commands.go
Original file line number Diff line number Diff line change
Expand Up @@ -87,6 +87,7 @@ func queryCommand() *cobra.Command {
server.QueryBlocksCmd(),
authcmd.QueryTxCmd(),
server.QueryBlockResultsCmd(),
WaitTxCmd(),
)
cmd.PersistentFlags().String(flags.FlagChainID, "", "The network chain ID")

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210 changes: 210 additions & 0 deletions cmd/wardend/cmd/wait.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,210 @@
package cmd

import (
"context"
"encoding/hex"
"encoding/json"
"fmt"
"io"
"strings"
"time"

rpchttp "github.com/cometbft/cometbft/rpc/client/http"
coretypes "github.com/cometbft/cometbft/rpc/core/types"
tmtypes "github.com/cometbft/cometbft/types"
"github.com/spf13/cobra"
"github.com/warden-protocol/wardenprotocol/warden/app"

"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/client/flags"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/errors"
)

const TimeoutFlag = "timeout"

func newTxResponseCheckTx(res *coretypes.ResultBroadcastTxCommit) *sdk.TxResponse {
if res == nil {
return nil
}

var txHash string
if res.Hash != nil {
txHash = res.Hash.String()
}

parsedLogs, _ := sdk.ParseABCILogs(res.CheckTx.Log)

return &sdk.TxResponse{
Height: res.Height,
TxHash: txHash,
Codespace: res.CheckTx.Codespace,
Code: res.CheckTx.Code,
Data: strings.ToUpper(hex.EncodeToString(res.CheckTx.Data)),
RawLog: res.CheckTx.Log,
Logs: parsedLogs,
Info: res.CheckTx.Info,
GasWanted: res.CheckTx.GasWanted,
GasUsed: res.CheckTx.GasUsed,
Events: res.CheckTx.Events,
}
}

func newTxResponseDeliverTx(res *coretypes.ResultBroadcastTxCommit) *sdk.TxResponse {
if res == nil {
return nil
}

var txHash string
if res.Hash != nil {
txHash = res.Hash.String()
}

parsedLogs, _ := sdk.ParseABCILogs(res.TxResult.Log)

return &sdk.TxResponse{
Height: res.Height,
TxHash: txHash,
Codespace: res.TxResult.Codespace,
Code: res.TxResult.Code,
Data: strings.ToUpper(hex.EncodeToString(res.TxResult.Data)),
RawLog: res.TxResult.Log,
Logs: parsedLogs,
Info: res.TxResult.Info,
GasWanted: res.TxResult.GasWanted,
GasUsed: res.TxResult.GasUsed,
Events: res.TxResult.Events,
}
}

func newResponseFormatBroadcastTxCommit(res *coretypes.ResultBroadcastTxCommit) *sdk.TxResponse {
if res == nil {
return nil
}

if !res.CheckTx.IsOK() {
return newTxResponseCheckTx(res)
}

return newTxResponseDeliverTx(res)
}

// WaitTx returns a CLI command thatwaits for a transaction with the given hash to be included in a block.
func WaitTxCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "wait-tx [hash]",
Short: "Wait for a transaction to be included in a block",
Long: `Subscribes to a CometBFT WebSocket connection and waits for a transaction event with the given hash.`,
Example: fmt.Sprintf(`By providing the transaction hash:
$ %[1]sd q wait-tx [hash]
Or, by piping a "tx" command:
$ %[1]sd tx [flags] | %[1]sd q wait-tx
`, app.Name),
Args: cobra.MaximumNArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
clientCtx, err := client.GetClientTxContext(cmd)
if err != nil {
return err
}

timeout, err := cmd.Flags().GetDuration(TimeoutFlag)
if err != nil {
return err
}

c, err := rpchttp.New(clientCtx.NodeURI, "/websocket")
if err != nil {
return err
}
if err := c.Start(); err != nil {
return err
}
defer c.Stop() //nolint:errcheck // ignore stop error

ctx, cancel := context.WithTimeout(context.Background(), timeout)
defer cancel()

var hash []byte
if len(args) == 0 {
// read hash from stdin
in, err := io.ReadAll(cmd.InOrStdin())
if err != nil {
return err
}
hashByt, err := parseHashFromInput(in)
if err != nil {
return err
}

hash = hashByt
} else {
// read hash from args
hashByt, err := hex.DecodeString(args[0])
if err != nil {
return err
}

hash = hashByt
}

query := fmt.Sprintf("%s='%s' AND %s='%X'", tmtypes.EventTypeKey, tmtypes.EventTx, tmtypes.TxHashKey, hash)
const subscriber = "subscriber"
eventCh, err := c.Subscribe(ctx, subscriber, query)
if err != nil {
return fmt.Errorf("failed to subscribe to tx: %w", err)
}
defer c.UnsubscribeAll(context.Background(), subscriber) //nolint:errcheck // ignore unsubscribe error

res, err := c.Tx(ctx, hash, false)
if err == nil {
// tx already included in a block
res := &coretypes.ResultBroadcastTxCommit{
TxResult: res.TxResult,
Hash: res.Hash,
Height: res.Height,
}
return clientCtx.PrintProto(newResponseFormatBroadcastTxCommit(res))
}

// tx not yet included in a block, wait for event on websocket
select {
case evt := <-eventCh:
if txe, ok := evt.Data.(tmtypes.EventDataTx); ok {
res := &coretypes.ResultBroadcastTxCommit{
TxResult: txe.Result,
Hash: tmtypes.Tx(txe.Tx).Hash(),
Height: txe.Height,
}
return clientCtx.PrintProto(newResponseFormatBroadcastTxCommit(res))
}
case <-ctx.Done():
return errors.ErrLogic.Wrapf("timed out waiting for transaction %X to be included in a block", hash)
}
return nil
},
}

cmd.Flags().Duration(TimeoutFlag, 15*time.Second, "The maximum time to wait for the transaction to be included in a block")
flags.AddQueryFlagsToCmd(cmd)

return cmd
}

func parseHashFromInput(in []byte) ([]byte, error) {
var resultTx coretypes.ResultTx
if err := json.Unmarshal(in, &resultTx); err == nil {
// input was JSON, return the hash
return resultTx.Hash, nil
}

// try to parse the hash from the output of a tx command
lines := strings.Split(string(in), "\n")
for _, line := range lines {
if strings.HasPrefix(line, "txhash:") {
hash := strings.TrimSpace(line[len("txhash:"):])
return hex.DecodeString(hash)
}
}
return nil, fmt.Errorf("txhash not found")
}

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