596 lines
17 KiB
Go
596 lines
17 KiB
Go
package wallet
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import (
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"errors"
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"fmt"
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"math/big"
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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/paramcontext"
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"github.com/nspcc-dev/neo-go/pkg/encoding/address"
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"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
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"github.com/nspcc-dev/neo-go/pkg/rpc/client"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/manifest"
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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"
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)
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var (
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tokenFlag = cli.StringFlag{
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Name: "token",
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Usage: "Token to use (hash or name (for NEO/GAS or imported tokens))",
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}
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gasFlag = flags.Fixed8Flag{
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Name: "gas",
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Usage: "Amount of GAS to attach to a tx",
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}
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baseBalanceFlags = []cli.Flag{
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walletPathFlag,
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tokenFlag,
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flags.AddressFlag{
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Name: "address, a",
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Usage: "Address to use",
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},
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}
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importFlags = append([]cli.Flag{
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walletPathFlag,
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flags.AddressFlag{
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Name: "token",
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Usage: "Token contract address or hash in LE",
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},
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}, options.RPC...)
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baseTransferFlags = []cli.Flag{
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walletPathFlag,
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outFlag,
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fromAddrFlag,
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toAddrFlag,
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tokenFlag,
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gasFlag,
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cli.StringFlag{
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Name: "amount",
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Usage: "Amount of asset to send",
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},
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}
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multiTransferFlags = append([]cli.Flag{
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walletPathFlag,
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outFlag,
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fromAddrFlag,
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gasFlag,
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}, options.RPC...)
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)
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func newNEP17Commands() []cli.Command {
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balanceFlags := make([]cli.Flag, len(baseBalanceFlags))
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copy(balanceFlags, baseBalanceFlags)
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balanceFlags = append(balanceFlags, options.RPC...)
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transferFlags := make([]cli.Flag, len(baseTransferFlags))
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copy(transferFlags, baseTransferFlags)
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transferFlags = append(transferFlags, options.RPC...)
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return []cli.Command{
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{
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Name: "balance",
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Usage: "get address balance",
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UsageText: "balance --wallet <path> --rpc-endpoint <node> [--timeout <time>] [--address <address>] [--token <hash-or-name>]",
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Action: getNEP17Balance,
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Flags: balanceFlags,
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},
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{
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Name: "import",
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Usage: "import NEP17 token to a wallet",
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UsageText: "import --wallet <path> --rpc-endpoint <node> --timeout <time> --token <hash>",
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Action: importNEP17Token,
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Flags: importFlags,
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},
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{
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Name: "info",
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Usage: "print imported NEP17 token info",
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UsageText: "print --wallet <path> [--token <hash-or-name>]",
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Action: printNEP17Info,
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Flags: []cli.Flag{
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walletPathFlag,
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tokenFlag,
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},
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},
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{
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Name: "remove",
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Usage: "remove NEP17 token from the wallet",
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UsageText: "remove --wallet <path> --token <hash-or-name>",
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Action: removeNEP17Token,
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Flags: []cli.Flag{
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walletPathFlag,
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tokenFlag,
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forceFlag,
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},
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},
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{
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Name: "transfer",
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Usage: "transfer NEP17 tokens",
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UsageText: "transfer --wallet <path> --rpc-endpoint <node> --timeout <time> --from <addr> --to <addr> --token <hash-or-name> --amount string [data] [-- <cosigner1:Scope> [<cosigner2> [...]]]",
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Action: transferNEP17,
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Flags: transferFlags,
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Description: `Transfers specified NEP17 token amount with optional 'data' parameter and cosigners
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list attached to the transfer. See 'contract testinvokefunction' documentation
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for the details about 'data' parameter and cosigners syntax. If no 'data' is
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given then default nil value will be used. If no cosigners are given then the
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sender with CalledByEntry scope will be used as the only signer.
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`,
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},
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{
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Name: "multitransfer",
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Usage: "transfer NEP17 tokens to multiple recipients",
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UsageText: `multitransfer --wallet <path> --rpc-endpoint <node> --timeout <time> --from <addr>` +
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` <token1>:<addr1>:<amount1> [<token2>:<addr2>:<amount2> [...]] [-- <cosigner1:Scope> [<cosigner2> [...]]]`,
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Action: multiTransferNEP17,
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Flags: multiTransferFlags,
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},
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}
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}
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func getNEP17Balance(ctx *cli.Context) error {
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var accounts []*wallet.Account
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wall, err := openWallet(ctx.String("wallet"))
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if err != nil {
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return cli.NewExitError(fmt.Errorf("bad wallet: %w", err), 1)
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}
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defer wall.Close()
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addrFlag := ctx.Generic("address").(*flags.Address)
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if addrFlag.IsSet {
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addrHash := addrFlag.Uint160()
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acc := wall.GetAccount(addrHash)
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if acc == nil {
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return cli.NewExitError(fmt.Errorf("can't find account for the address: %s", address.Uint160ToString(addrHash)), 1)
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}
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accounts = append(accounts, acc)
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} else {
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if len(wall.Accounts) == 0 {
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return cli.NewExitError(errors.New("no accounts in the wallet"), 1)
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}
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accounts = wall.Accounts
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}
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gctx, cancel := options.GetTimeoutContext(ctx)
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defer cancel()
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c, err := options.GetRPCClient(gctx, ctx)
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if err != nil {
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return cli.NewExitError(err, 1)
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}
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name := ctx.String("token")
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for k, acc := range accounts {
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addrHash, err := address.StringToUint160(acc.Address)
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if err != nil {
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return cli.NewExitError(fmt.Errorf("invalid account address: %w", err), 1)
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}
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balances, err := c.GetNEP17Balances(addrHash)
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if err != nil {
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return cli.NewExitError(err, 1)
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}
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if k != 0 {
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fmt.Fprintln(ctx.App.Writer)
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}
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fmt.Fprintf(ctx.App.Writer, "Account %s\n", acc.Address)
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for i := range balances.Balances {
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var tokenName, tokenSymbol string
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tokenDecimals := 0
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asset := balances.Balances[i].Asset
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token, err := getMatchingToken(ctx, wall, asset.StringLE(), manifest.NEP17StandardName)
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if err != nil {
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token, err = c.NEP17TokenInfo(asset)
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}
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if err == nil {
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if name != "" && !(token.Name == name || token.Symbol == name || token.Address() == name || token.Hash.StringLE() == name) {
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continue
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}
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tokenName = token.Name
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tokenSymbol = token.Symbol
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tokenDecimals = int(token.Decimals)
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} else {
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if name != "" {
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continue
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}
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tokenSymbol = "UNKNOWN"
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}
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fmt.Fprintf(ctx.App.Writer, "%s: %s (%s)\n", tokenSymbol, tokenName, asset.StringLE())
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amount := balances.Balances[i].Amount
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if tokenDecimals != 0 {
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b, ok := new(big.Int).SetString(amount, 10)
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if ok {
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amount = fixedn.ToString(b, tokenDecimals)
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}
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}
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fmt.Fprintf(ctx.App.Writer, "\tAmount : %s\n", amount)
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fmt.Fprintf(ctx.App.Writer, "\tUpdated: %d\n", balances.Balances[i].LastUpdated)
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}
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}
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return nil
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}
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func getMatchingToken(ctx *cli.Context, w *wallet.Wallet, name string, standard string) (*wallet.Token, error) {
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return getMatchingTokenAux(ctx, func(i int) *wallet.Token {
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return w.Extra.Tokens[i]
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}, len(w.Extra.Tokens), name, standard)
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}
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func getMatchingTokenRPC(ctx *cli.Context, c *client.Client, addr util.Uint160, name string, standard string) (*wallet.Token, error) {
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switch standard {
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case manifest.NEP17StandardName:
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bs, err := c.GetNEP17Balances(addr)
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if err != nil {
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return nil, err
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}
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get := func(i int) *wallet.Token {
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t, _ := c.NEP17TokenInfo(bs.Balances[i].Asset)
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return t
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}
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return getMatchingTokenAux(ctx, get, len(bs.Balances), name, standard)
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case manifest.NEP11StandardName:
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tokenHash, err := flags.ParseAddress(name)
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if err != nil {
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return nil, fmt.Errorf("valid token adress or hash in LE should be specified for %s RPC-node request: %s", standard, err.Error())
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}
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get := func(i int) *wallet.Token {
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t, _ := c.NEP11TokenInfo(tokenHash)
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return t
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}
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return getMatchingTokenAux(ctx, get, 1, name, standard)
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default:
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return nil, fmt.Errorf("unsupported %s token", standard)
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}
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}
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func getMatchingTokenAux(ctx *cli.Context, get func(i int) *wallet.Token, n int, name string, standard string) (*wallet.Token, error) {
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var token *wallet.Token
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var count int
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for i := 0; i < n; i++ {
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t := get(i)
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if t != nil && (t.Hash.StringLE() == name || t.Address() == name || t.Symbol == name || t.Name == name) && t.Standard == standard {
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if count == 1 {
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printTokenInfo(ctx, token)
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printTokenInfo(ctx, t)
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return nil, fmt.Errorf("multiple matching %s tokens found", standard)
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}
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count++
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token = t
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}
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}
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if count == 0 {
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return nil, fmt.Errorf("%s token was not found", standard)
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}
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return token, nil
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}
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func importNEP17Token(ctx *cli.Context) error {
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return importNEPToken(ctx, manifest.NEP17StandardName)
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}
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func importNEPToken(ctx *cli.Context, standard string) error {
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wall, err := openWallet(ctx.String("wallet"))
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if err != nil {
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return cli.NewExitError(err, 1)
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}
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defer wall.Close()
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tokenHashFlag := ctx.Generic("token").(*flags.Address)
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if !tokenHashFlag.IsSet {
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return cli.NewExitError("token contract hash was not set", 1)
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}
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tokenHash := tokenHashFlag.Uint160()
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for _, t := range wall.Extra.Tokens {
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if t.Hash.Equals(tokenHash) && t.Standard == standard {
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printTokenInfo(ctx, t)
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return cli.NewExitError(fmt.Errorf("%s token already exists", standard), 1)
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}
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}
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gctx, cancel := options.GetTimeoutContext(ctx)
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defer cancel()
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c, err := options.GetRPCClient(gctx, ctx)
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if err != nil {
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return cli.NewExitError(err, 1)
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}
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var tok *wallet.Token
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switch standard {
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case manifest.NEP17StandardName:
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tok, err = c.NEP17TokenInfo(tokenHash)
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case manifest.NEP11StandardName:
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tok, err = c.NEP11TokenInfo(tokenHash)
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default:
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return cli.NewExitError(fmt.Sprintf("unsupported token standard: %s", standard), 1)
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}
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if err != nil {
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return cli.NewExitError(fmt.Errorf("can't receive token info: %w", err), 1)
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}
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wall.AddToken(tok)
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if err := wall.Save(); err != nil {
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return cli.NewExitError(err, 1)
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}
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printTokenInfo(ctx, tok)
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return nil
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}
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func printTokenInfo(ctx *cli.Context, tok *wallet.Token) {
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w := ctx.App.Writer
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fmt.Fprintf(w, "Name:\t%s\n", tok.Name)
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fmt.Fprintf(w, "Symbol:\t%s\n", tok.Symbol)
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fmt.Fprintf(w, "Hash:\t%s\n", tok.Hash.StringLE())
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fmt.Fprintf(w, "Decimals: %d\n", tok.Decimals)
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fmt.Fprintf(w, "Address: %s\n", tok.Address())
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fmt.Fprintf(w, "Standard:\t%s\n", tok.Standard)
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}
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func printNEP17Info(ctx *cli.Context) error {
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return printNEPInfo(ctx, manifest.NEP17StandardName)
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}
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func printNEPInfo(ctx *cli.Context, standard string) error {
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wall, err := openWallet(ctx.String("wallet"))
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if err != nil {
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return cli.NewExitError(err, 1)
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}
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defer wall.Close()
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if name := ctx.String("token"); name != "" {
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token, err := getMatchingToken(ctx, wall, name, standard)
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if err != nil {
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return cli.NewExitError(err, 1)
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}
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printTokenInfo(ctx, token)
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return nil
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}
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var count int
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for _, t := range wall.Extra.Tokens {
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if count > 0 {
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fmt.Fprintln(ctx.App.Writer)
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}
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if t.Standard == standard {
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printTokenInfo(ctx, t)
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count++
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}
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}
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return nil
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}
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func removeNEP17Token(ctx *cli.Context) error {
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return removeNEPToken(ctx, manifest.NEP17StandardName)
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}
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func removeNEPToken(ctx *cli.Context, standard string) error {
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wall, err := openWallet(ctx.String("wallet"))
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if err != nil {
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return cli.NewExitError(err, 1)
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}
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defer wall.Close()
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token, err := getMatchingToken(ctx, wall, ctx.String("token"), standard)
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if err != nil {
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return cli.NewExitError(err, 1)
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}
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if !ctx.Bool("force") {
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if ok := askForConsent(ctx.App.Writer); !ok {
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return nil
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}
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}
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if err := wall.RemoveToken(token.Hash); err != nil {
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return cli.NewExitError(fmt.Errorf("can't remove token: %w", err), 1)
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} else if err := wall.Save(); err != nil {
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return cli.NewExitError(fmt.Errorf("error while saving wallet: %w", err), 1)
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}
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return nil
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}
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func multiTransferNEP17(ctx *cli.Context) error {
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wall, err := openWallet(ctx.String("wallet"))
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if err != nil {
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return cli.NewExitError(err, 1)
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}
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defer wall.Close()
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fromFlag := ctx.Generic("from").(*flags.Address)
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from, err := getDefaultAddress(fromFlag, wall)
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if err != nil {
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return cli.NewExitError(err, 1)
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}
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acc, err := getDecryptedAccount(ctx, wall, from)
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if err != nil {
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return cli.NewExitError(err, 1)
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}
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gctx, cancel := options.GetTimeoutContext(ctx)
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defer cancel()
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c, err := options.GetRPCClient(gctx, ctx)
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if err != nil {
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return cli.NewExitError(err, 1)
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}
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if ctx.NArg() == 0 {
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return cli.NewExitError("empty recipients list", 1)
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}
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var (
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recipients []client.TransferTarget
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cosignersOffset = ctx.NArg()
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)
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cache := make(map[string]*wallet.Token)
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for i := 0; i < ctx.NArg(); i++ {
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arg := ctx.Args().Get(i)
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if arg == cmdargs.CosignersSeparator {
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cosignersOffset = i + 1
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break
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}
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ss := strings.SplitN(arg, ":", 3)
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if len(ss) != 3 {
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return cli.NewExitError("send format must be '<token>:<addr>:<amount>", 1)
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}
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token, ok := cache[ss[0]]
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if !ok {
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token, err = getMatchingToken(ctx, wall, ss[0], manifest.NEP17StandardName)
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if err != nil {
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fmt.Fprintln(ctx.App.ErrWriter, "Can't find matching token in the wallet. Querying RPC-node for balances.")
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token, err = getMatchingTokenRPC(ctx, c, from, ss[0], manifest.NEP17StandardName)
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if err != nil {
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return cli.NewExitError(err, 1)
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}
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}
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}
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cache[ss[0]] = token
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addr, err := address.StringToUint160(ss[1])
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if err != nil {
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return cli.NewExitError(fmt.Errorf("invalid address: '%s'", ss[1]), 1)
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}
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amount, err := fixedn.FromString(ss[2], int(token.Decimals))
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if err != nil {
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return cli.NewExitError(fmt.Errorf("invalid amount: %w", err), 1)
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}
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recipients = append(recipients, client.TransferTarget{
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Token: token.Hash,
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Address: addr,
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Amount: amount.Int64(),
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Data: nil,
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})
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}
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cosigners, extErr := cmdargs.GetSignersFromContext(ctx, cosignersOffset)
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if extErr != nil {
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return extErr
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}
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cosignersAccounts, err := cmdargs.GetSignersAccounts(wall, cosigners)
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if err != nil {
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return cli.NewExitError(fmt.Errorf("failed to create NEP17 multitransfer transaction: %w", err), 1)
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}
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return signAndSendNEP17Transfer(ctx, c, acc, recipients, cosignersAccounts)
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}
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func transferNEP17(ctx *cli.Context) error {
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return transferNEP(ctx, manifest.NEP17StandardName)
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}
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func transferNEP(ctx *cli.Context, standard string) error {
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wall, err := openWallet(ctx.String("wallet"))
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if err != nil {
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return cli.NewExitError(err, 1)
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}
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defer wall.Close()
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fromFlag := ctx.Generic("from").(*flags.Address)
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from, err := getDefaultAddress(fromFlag, wall)
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if err != nil {
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return cli.NewExitError(err, 1)
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}
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acc, err := getDecryptedAccount(ctx, wall, from)
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if err != nil {
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return cli.NewExitError(err, 1)
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}
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gctx, cancel := options.GetTimeoutContext(ctx)
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defer cancel()
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c, err := options.GetRPCClient(gctx, ctx)
|
|
if err != nil {
|
|
return cli.NewExitError(err, 1)
|
|
}
|
|
|
|
toFlag := ctx.Generic("to").(*flags.Address)
|
|
to := toFlag.Uint160()
|
|
token, err := getMatchingToken(ctx, wall, ctx.String("token"), standard)
|
|
if err != nil {
|
|
fmt.Fprintln(ctx.App.ErrWriter, "Can't find matching token in the wallet. Querying RPC-node for balances.")
|
|
token, err = getMatchingTokenRPC(ctx, c, from, ctx.String("token"), standard)
|
|
if err != nil {
|
|
return cli.NewExitError(fmt.Errorf("failed to get matching token: %w", err), 1)
|
|
}
|
|
}
|
|
|
|
cosignersOffset, data, extErr := cmdargs.GetDataFromContext(ctx)
|
|
if extErr != nil {
|
|
return extErr
|
|
}
|
|
|
|
cosigners, extErr := cmdargs.GetSignersFromContext(ctx, cosignersOffset)
|
|
if extErr != nil {
|
|
return extErr
|
|
}
|
|
cosignersAccounts, err := cmdargs.GetSignersAccounts(wall, cosigners)
|
|
if err != nil {
|
|
return cli.NewExitError(fmt.Errorf("failed to create NEP17 transfer transaction: %w", err), 1)
|
|
}
|
|
|
|
amountArg := ctx.String("amount")
|
|
switch standard {
|
|
case manifest.NEP17StandardName:
|
|
amount, err := fixedn.FromString(amountArg, int(token.Decimals))
|
|
if err != nil {
|
|
return cli.NewExitError(fmt.Errorf("invalid amount: %w", err), 1)
|
|
}
|
|
return signAndSendNEP17Transfer(ctx, c, acc, []client.TransferTarget{{
|
|
Token: token.Hash,
|
|
Address: to,
|
|
Amount: amount.Int64(),
|
|
Data: data,
|
|
}}, cosignersAccounts)
|
|
case manifest.NEP11StandardName:
|
|
tokenID := ctx.String("id")
|
|
if tokenID == "" {
|
|
return cli.NewExitError(errors.New("token ID should be specified"), 1)
|
|
}
|
|
if amountArg == "" {
|
|
return signAndSendNEP11Transfer(ctx, c, acc, token.Hash, to, tokenID, nil, cosignersAccounts)
|
|
}
|
|
amount, err := fixedn.FromString(amountArg, int(token.Decimals))
|
|
if err != nil {
|
|
return cli.NewExitError(fmt.Errorf("invalid amount: %w", err), 1)
|
|
}
|
|
return signAndSendNEP11Transfer(ctx, c, acc, token.Hash, to, tokenID, amount, cosignersAccounts)
|
|
default:
|
|
return cli.NewExitError(fmt.Errorf("unsupported token standard %s", standard), 1)
|
|
}
|
|
}
|
|
|
|
func signAndSendNEP17Transfer(ctx *cli.Context, c *client.Client, acc *wallet.Account, recipients []client.TransferTarget, cosigners []client.SignerAccount) error {
|
|
gas := flags.Fixed8FromContext(ctx, "gas")
|
|
|
|
tx, err := c.CreateNEP17MultiTransferTx(acc, int64(gas), recipients, cosigners)
|
|
if err != nil {
|
|
return cli.NewExitError(err, 1)
|
|
}
|
|
|
|
if outFile := ctx.String("out"); outFile != "" {
|
|
if err := paramcontext.InitAndSave(c.GetNetwork(), tx, acc, outFile); err != nil {
|
|
return cli.NewExitError(err, 1)
|
|
}
|
|
} else {
|
|
_, err := c.SignAndPushTx(tx, acc, cosigners)
|
|
if err != nil {
|
|
return cli.NewExitError(err, 1)
|
|
}
|
|
}
|
|
|
|
fmt.Fprintln(ctx.App.Writer, tx.Hash().StringLE())
|
|
return nil
|
|
}
|
|
|
|
func getDefaultAddress(fromFlag *flags.Address, w *wallet.Wallet) (util.Uint160, error) {
|
|
if fromFlag.IsSet {
|
|
return fromFlag.Uint160(), nil
|
|
}
|
|
addr := w.GetChangeAddress()
|
|
if addr.Equals(util.Uint160{}) {
|
|
return util.Uint160{}, errors.New("can't get default address")
|
|
}
|
|
return addr, nil
|
|
}
|