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Merge pull request #3223 from nspcc-dev/cancel_command
cli: cancel transaction command
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| package util | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "strings" | ||
|
|
||
| "github.com/nspcc-dev/neo-go/cli/flags" | ||
| "github.com/nspcc-dev/neo-go/cli/options" | ||
| "github.com/nspcc-dev/neo-go/cli/smartcontract" | ||
| "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/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() | ||
|
|
||
| c, err := options.GetRPCClient(gctx, ctx) | ||
| if err != nil { | ||
| return cli.NewExitError(fmt.Errorf("failed to create RPC client: %w", err), 1) | ||
| } | ||
|
|
||
| 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) | ||
| } | ||
| acc, w, err := smartcontract.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() | ||
|
|
||
| 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) | ||
| } | ||
|
|
||
| a, err := actor.NewSimple(c, acc) | ||
| if err != nil { | ||
| return cli.NewExitError(fmt.Errorf("failed to create Actor: %w", err), 1) | ||
| } | ||
|
|
||
| resHash, _, 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")) | ||
| return nil | ||
| }) | ||
| if err != nil { | ||
| return cli.NewExitError(fmt.Errorf("failed to send conflicting transaction: %w", err), 1) | ||
| } | ||
| fmt.Fprintln(ctx.App.Writer, resHash.StringLE()) | ||
| return nil | ||
| } |
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