mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-11-22 19:29:39 +00:00
103 lines
3.9 KiB
Go
103 lines
3.9 KiB
Go
package util
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import (
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"errors"
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"fmt"
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"strings"
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"github.com/nspcc-dev/neo-go/cli/cmdargs"
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"github.com/nspcc-dev/neo-go/cli/flags"
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"github.com/nspcc-dev/neo-go/cli/options"
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"github.com/nspcc-dev/neo-go/cli/txctx"
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"github.com/nspcc-dev/neo-go/pkg/core/state"
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"github.com/nspcc-dev/neo-go/pkg/core/transaction"
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"github.com/nspcc-dev/neo-go/pkg/neorpc/result"
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"github.com/nspcc-dev/neo-go/pkg/rpcclient/actor"
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"github.com/nspcc-dev/neo-go/pkg/rpcclient/waiter"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
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"github.com/urfave/cli/v2"
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)
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func cancelTx(ctx *cli.Context) error {
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args := ctx.Args().Slice()
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if len(args) == 0 {
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return cli.Exit("transaction hash is missing", 1)
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} else if len(args) > 1 {
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return cli.Exit("only one transaction hash is accepted", 1)
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}
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txHash, err := util.Uint256DecodeStringLE(strings.TrimPrefix(args[0], "0x"))
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if err != nil {
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return cli.Exit(fmt.Sprintf("invalid tx hash: %s", args[0]), 1)
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}
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gctx, cancel := options.GetTimeoutContext(ctx)
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defer cancel()
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acc, w, err := options.GetAccFromContext(ctx)
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if err != nil {
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return cli.Exit(fmt.Errorf("failed to get account from context to sign the conflicting transaction: %w", err), 1)
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}
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defer w.Close()
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signers, err := cmdargs.GetSignersAccounts(acc, w, nil, transaction.CalledByEntry)
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if err != nil {
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return cli.Exit(fmt.Errorf("invalid signers: %w", err), 1)
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}
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c, a, exitErr := options.GetRPCWithActor(gctx, ctx, signers)
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if exitErr != nil {
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return exitErr
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}
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mainTx, _ := c.GetRawTransactionVerbose(txHash)
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if mainTx != nil && !mainTx.Blockhash.Equals(util.Uint256{}) {
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return cli.Exit(fmt.Errorf("target transaction %s is accepted at block %s", txHash, mainTx.Blockhash.StringLE()), 1)
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}
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if mainTx != nil && !mainTx.HasSigner(acc.ScriptHash()) {
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return cli.Exit(fmt.Errorf("account %s is not a signer of the conflicting transaction", acc.Address), 1)
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}
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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 {
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err := actor.DefaultCheckerModifier(r, t)
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if err != nil {
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return err
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}
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if mainTx != nil {
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t.NetworkFee = max(t.NetworkFee, mainTx.NetworkFee+1)
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}
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t.NetworkFee += int64(flags.Fixed8FromContext(ctx, "gas"))
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if mainTx != nil {
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t.ValidUntilBlock = mainTx.ValidUntilBlock
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}
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return nil
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})
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if err != nil {
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return cli.Exit(fmt.Errorf("failed to send conflicting transaction: %w", err), 1)
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}
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var res *state.AppExecResult
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if ctx.Bool("await") {
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res, err = a.WaitAny(gctx, resVub, txHash, resHash)
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if err != nil {
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if errors.Is(err, waiter.ErrTxNotAccepted) {
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if mainTx == nil {
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return cli.Exit(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)
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}
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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)
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return nil
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}
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return cli.Exit(fmt.Errorf("failed to await target/ conflicting transaction %s/ %s: %w", txHash.StringLE(), resHash.StringLE(), err), 1)
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}
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if txHash.Equals(res.Container) {
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tx, err := c.GetRawTransactionVerbose(txHash)
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if err != nil {
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return cli.Exit(fmt.Errorf("target transaction %s is accepted", txHash), 1)
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}
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return cli.Exit(fmt.Errorf("target transaction %s is accepted at block %s", txHash, tx.Blockhash.StringLE()), 1)
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}
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fmt.Fprintln(ctx.App.Writer, "Conflicting transaction accepted")
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}
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txctx.DumpTransactionInfo(ctx.App.Writer, resHash, res)
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return nil
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}
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