neoneo-go/cli/util/cancel.go
Ekaterina Pavlova 0ffa24932b cli: add await flag for operations with transactions
New --await flag is an option to synchronize on transaction execution
for CLI commands.

Closes #3244

Signed-off-by: Ekaterina Pavlova <ekt@morphbits.io>
2023-12-29 15:14:16 +03:00

104 lines
3.8 KiB
Go

package util
import (
"errors"
"fmt"
"strings"
"github.com/nspcc-dev/neo-go/cli/cmdargs"
"github.com/nspcc-dev/neo-go/cli/flags"
"github.com/nspcc-dev/neo-go/cli/options"
"github.com/nspcc-dev/neo-go/cli/txctx"
"github.com/nspcc-dev/neo-go/pkg/core/state"
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/neorpc/result"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/actor"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/waiter"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
"github.com/urfave/cli"
)
func cancelTx(ctx *cli.Context) error {
args := ctx.Args()
if len(args) == 0 {
return cli.NewExitError("transaction hash is missing", 1)
} else if len(args) > 1 {
return cli.NewExitError("only one transaction hash is accepted", 1)
}
txHash, err := util.Uint256DecodeStringLE(strings.TrimPrefix(args[0], "0x"))
if err != nil {
return cli.NewExitError(fmt.Sprintf("invalid tx hash: %s", args[0]), 1)
}
gctx, cancel := options.GetTimeoutContext(ctx)
defer cancel()
acc, w, err := options.GetAccFromContext(ctx)
if err != nil {
return cli.NewExitError(fmt.Errorf("failed to get account from context to sign the conflicting transaction: %w", err), 1)
}
defer w.Close()
signers, err := cmdargs.GetSignersAccounts(acc, w, nil, transaction.CalledByEntry)
if err != nil {
return cli.NewExitError(fmt.Errorf("invalid signers: %w", err), 1)
}
c, a, exitErr := options.GetRPCWithActor(gctx, ctx, signers)
if exitErr != nil {
return exitErr
}
mainTx, _ := c.GetRawTransactionVerbose(txHash)
if mainTx != nil && !mainTx.Blockhash.Equals(util.Uint256{}) {
return cli.NewExitError(fmt.Errorf("transaction %s is already accepted at block %s", txHash, mainTx.Blockhash.StringLE()), 1)
}
if mainTx != nil && !mainTx.HasSigner(acc.ScriptHash()) {
return cli.NewExitError(fmt.Errorf("account %s is not a signer of the conflicting transaction", acc.Address), 1)
}
resHash, resVub, err := a.SendTunedRun([]byte{byte(opcode.RET)}, []transaction.Attribute{{Type: transaction.ConflictsT, Value: &transaction.Conflicts{Hash: txHash}}}, func(r *result.Invoke, t *transaction.Transaction) error {
err := actor.DefaultCheckerModifier(r, t)
if err != nil {
return err
}
if mainTx != nil && t.NetworkFee < mainTx.NetworkFee+1 {
t.NetworkFee = mainTx.NetworkFee + 1
}
t.NetworkFee += int64(flags.Fixed8FromContext(ctx, "gas"))
if mainTx != nil {
t.ValidUntilBlock = mainTx.ValidUntilBlock
}
return nil
})
if err != nil {
return cli.NewExitError(fmt.Errorf("failed to send conflicting transaction: %w", err), 1)
}
var (
acceptedH = resHash
res *state.AppExecResult
)
if ctx.Bool("await") {
res, err = a.WaitAny(gctx, resVub, txHash, resHash)
if err != nil {
if errors.Is(err, waiter.ErrTxNotAccepted) {
if mainTx == nil {
return cli.NewExitError(fmt.Errorf("neither target nor conflicting transaction is accepted before the current height %d (ValidUntilBlock value of conlicting transaction). Main transaction is unknown to the provided RPC node, thus still has chances to be accepted, you may try cancellation again", resVub), 1)
}
fmt.Fprintf(ctx.App.Writer, "Neither target nor conflicting transaction is accepted before the current height %d (ValidUntilBlock value of both target and conflicting transactions). Main transaction is not valid anymore, cancellation is successful\n", resVub)
return nil
}
return cli.NewExitError(fmt.Errorf("failed to await target/ conflicting transaction %s/ %s: %w", txHash.StringLE(), resHash.StringLE(), err), 1)
}
if txHash.Equals(res.Container) {
fmt.Fprintln(ctx.App.Writer, "Target transaction accepted")
acceptedH = txHash
} else {
fmt.Fprintln(ctx.App.Writer, "Conflicting transaction accepted")
}
}
txctx.DumpTransactionInfo(ctx.App.Writer, acceptedH, res)
return nil
}