mirror of
https://github.com/nspcc-dev/neo-go.git
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115 lines
3.5 KiB
Go
115 lines
3.5 KiB
Go
/*
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Package txctx contains helper functions that deal with transactions in CLI context.
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*/
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package txctx
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import (
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"fmt"
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"io"
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"time"
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"github.com/nspcc-dev/neo-go/cli/flags"
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"github.com/nspcc-dev/neo-go/cli/input"
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"github.com/nspcc-dev/neo-go/cli/paramcontext"
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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/rpcclient/actor"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/wallet"
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"github.com/urfave/cli/v2"
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)
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var (
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// GasFlag is a flag used for the additional network fee.
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GasFlag = &flags.Fixed8Flag{
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Name: "gas",
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Aliases: []string{"g"},
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Usage: "Network fee to add to the transaction (prioritizing it)",
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}
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// SysGasFlag is a flag used for the additional system fee.
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SysGasFlag = &flags.Fixed8Flag{
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Name: "sysgas",
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Aliases: []string{"e"},
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Usage: "System fee to add to the transaction (compensating for execution)",
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}
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// OutFlag is a flag used for file output.
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OutFlag = &cli.StringFlag{
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Name: "out",
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Usage: "File (JSON) to put signature context with a transaction to",
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}
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// ForceFlag is a flag used to force transaction send.
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ForceFlag = &cli.BoolFlag{
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Name: "force",
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Usage: "Do not ask for a confirmation (and ignore errors)",
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}
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// AwaitFlag is a flag used to wait for the transaction to be included in a block.
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AwaitFlag = &cli.BoolFlag{
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Name: "await",
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Usage: "Wait for the transaction to be included in a block",
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}
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)
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// SignAndSend adds network and system fees to the provided transaction and
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// either sends it to the network (with a confirmation or --force flag) or saves
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// it into a file (given in the --out flag).
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func SignAndSend(ctx *cli.Context, act *actor.Actor, acc *wallet.Account, tx *transaction.Transaction) error {
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var (
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err error
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gas = flags.Fixed8FromContext(ctx, "gas")
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sysgas = flags.Fixed8FromContext(ctx, "sysgas")
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ver = act.GetVersion()
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aer *state.AppExecResult
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)
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tx.SystemFee += int64(sysgas)
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tx.NetworkFee += int64(gas)
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if outFile := ctx.String("out"); outFile != "" {
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// Make a long-lived transaction, it's to be signed manually.
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tx.ValidUntilBlock += (ver.Protocol.MaxValidUntilBlockIncrement - uint32(ver.Protocol.ValidatorsCount)) - 2
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err = paramcontext.InitAndSave(ver.Protocol.Network, tx, acc, outFile)
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} else {
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if !ctx.Bool("force") {
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promptTime := time.Now()
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err := input.ConfirmTx(ctx.App.Writer, tx)
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if err != nil {
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return cli.Exit(err, 1)
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}
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waitTime := time.Since(promptTime)
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// Compensate for confirmation waiting.
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tx.ValidUntilBlock += uint32(waitTime.Milliseconds()/int64(ver.Protocol.MillisecondsPerBlock)) + 2
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}
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var (
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resTx util.Uint256
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vub uint32
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)
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resTx, vub, err = act.SignAndSend(tx)
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if err != nil {
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return cli.Exit(err, 1)
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}
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if ctx.Bool("await") {
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aer, err = act.Wait(resTx, vub, err)
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if err != nil {
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return cli.Exit(fmt.Errorf("failed to await transaction %s: %w", resTx.StringLE(), err), 1)
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}
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}
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}
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if err != nil {
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return cli.Exit(err, 1)
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}
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DumpTransactionInfo(ctx.App.Writer, tx.Hash(), aer)
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return nil
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}
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// DumpTransactionInfo prints transaction info to the given writer.
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func DumpTransactionInfo(w io.Writer, h util.Uint256, res *state.AppExecResult) {
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fmt.Fprintln(w, h.StringLE())
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if res != nil {
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fmt.Fprintf(w, "OnChain:\t%t\n", res != nil)
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fmt.Fprintf(w, "VMState:\t%s\n", res.VMState.String())
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if res.FaultException != "" {
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fmt.Fprintf(w, "FaultException:\t%s\n", res.FaultException)
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}
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}
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}
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