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cli: add --out flag to the wallet transfer command

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When transferring assets from multisig accounts,
it is useful to export tx into a file, so that
other participants can sign it too.
This commit is contained in:
Evgenii Stratonikov 2020-03-03 10:35:21 +03:00
parent cd487e3ad4
commit 0d4ad9f76c
1 changed files with 26 additions and 4 deletions
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24
cli/wallet/wallet.go
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@ -3,8 +3,10 @@ package wallet
import (
"bufio"
"context"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"os"
"strings"
"syscall"
@ -15,6 +17,7 @@ import (
"github.com/nspcc-dev/neo-go/pkg/encoding/address"
"github.com/nspcc-dev/neo-go/pkg/rpc/client"
"github.com/nspcc-dev/neo-go/pkg/rpc/request"
context2 "github.com/nspcc-dev/neo-go/pkg/smartcontract/context"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neo-go/pkg/wallet"
"github.com/urfave/cli"
@ -47,6 +50,10 @@ var (
Name: "timeout, t",
Usage: "Timeout for the operation",
}
outFlag = cli.StringFlag{
Name: "out",
Usage: "file to put JSON transaction to",
}
)
// NewCommands returns 'wallet' command.
@ -144,12 +151,13 @@ func NewCommands() []cli.Command {
Name: "transfer",
Usage: "transfer NEO/GAS",
UsageText: "transfer --path <path> --from <addr> --to <addr>" +
" --amount <amount> --asset [NEO|GAS|<hex-id>]",
" --amount <amount> --asset [NEO|GAS|<hex-id>] [--out <path>]",
Action: transferAsset,
Flags: []cli.Flag{
walletPathFlag,
rpcFlag,
timeoutFlag,
outFlag,
cli.StringFlag{
Name: "from",
Usage: "Address to send an asset from",
@ -431,10 +439,24 @@ func transferAsset(ctx *cli.Context) error {
Position: 1,
})
if outFile := ctx.String("out"); outFile != "" {
priv := acc.PrivateKey()
pub := priv.PublicKey()
sign := priv.Sign(tx.GetSignedPart())
c := context2.NewParameterContext("Neo.Core.ContractTransaction", tx)
if err := c.AddSignature(acc.Contract, pub, sign); err != nil {
return cli.NewExitError(fmt.Errorf("can't add signature: %v", err), 1)
} else if data, err := json.Marshal(c); err != nil {
return cli.NewExitError(fmt.Errorf("can't marshal tx to JSON: %v", err), 1)
} else if err := ioutil.WriteFile(outFile, data, 0644); err != nil {
return cli.NewExitError(fmt.Errorf("can't write tx to file: %v", err), 1)
}
} else {
_ = acc.SignTx(tx)
if err := c.SendRawTransaction(tx); err != nil {
return cli.NewExitError(err, 1)
}
}
fmt.Println(tx.Hash().StringLE())
return nil