neoneo-go/cli/wallet/multisig.go

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package wallet
import (
"fmt"
"github.com/nspcc-dev/neo-go/cli/options"
"github.com/nspcc-dev/neo-go/cli/paramcontext"
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/encoding/address"
"github.com/urfave/cli"
)
func newMultisigCommands() []cli.Command {
signFlags := []cli.Flag{
walletPathFlag,
outFlag,
inFlag,
cli.StringFlag{
Name: "address, a",
Usage: "Address to use",
},
}
signFlags = append(signFlags, options.RPC...)
return []cli.Command{
{
Name: "sign",
Usage: "sign a transaction",
UsageText: "multisig sign --wallet <path> --address <address> --in <file.in> --out <file.out>",
Action: signMultisig,
Flags: signFlags,
},
}
}
func signMultisig(ctx *cli.Context) error {
wall, err := openWallet(ctx.String("wallet"))
if err != nil {
return cli.NewExitError(err, 1)
}
defer wall.Close()
c, err := paramcontext.Read(ctx.String("in"))
if err != nil {
return cli.NewExitError(err, 1)
}
addr := ctx.String("address")
sh, err := address.StringToUint160(addr)
if err != nil {
return cli.NewExitError(fmt.Errorf("invalid address: %w", err), 1)
}
acc, err := getDecryptedAccount(ctx, wall, sh)
if err != nil {
return cli.NewExitError(err, 1)
}
tx, ok := c.Verifiable.(*transaction.Transaction)
if !ok {
return cli.NewExitError("verifiable item is not a transaction", 1)
}
priv := acc.PrivateKey()
sign := priv.Sign(tx.GetSignedPart())
if err := c.AddSignature(acc.Contract, priv.PublicKey(), sign); err != nil {
return cli.NewExitError(fmt.Errorf("can't add signature: %w", err), 1)
}
if out := ctx.String("out"); out != "" {
if err := paramcontext.Save(c, out); err != nil {
return cli.NewExitError(err, 1)
}
}
if len(ctx.String(options.RPCEndpointFlag)) != 0 {
w, err := c.GetWitness(acc.Contract)
if err != nil {
return cli.NewExitError(err, 1)
}
tx.Scripts = append(tx.Scripts, *w)
gctx, cancel := options.GetTimeoutContext(ctx)
defer cancel()
c, err := options.GetRPCClient(gctx, ctx)
if err != nil {
return err
}
res, err := c.SendRawTransaction(tx)
if err != nil {
return cli.NewExitError(err, 1)
}
fmt.Fprintln(ctx.App.Writer, res.StringLE())
return nil
}
fmt.Fprintln(ctx.App.Writer, tx.Hash().StringLE())
return nil
}