neo-go/cli/query/query.go
Roman Khimov 1518019be8 cli: add excessive arguments checks
Some commands don't accept arguments, but users try giving them and don't
notice a mistake. It's a bit more user-friendly to tell the user that there is
something wrong with the way he tries to use the command.
2022-08-05 15:50:12 +03:00

322 lines
8.5 KiB
Go

package query
import (
"bytes"
"encoding/base64"
"encoding/hex"
"fmt"
"sort"
"strconv"
"strings"
"text/tabwriter"
"github.com/nspcc-dev/neo-go/cli/cmdargs"
"github.com/nspcc-dev/neo-go/cli/flags"
"github.com/nspcc-dev/neo-go/cli/options"
"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
"github.com/nspcc-dev/neo-go/pkg/core/state"
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/encoding/address"
"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
"github.com/nspcc-dev/neo-go/pkg/neorpc/result"
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neo-go/pkg/vm"
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
"github.com/nspcc-dev/neo-go/pkg/vm/vmstate"
"github.com/urfave/cli"
)
// NewCommands returns 'query' command.
func NewCommands() []cli.Command {
queryTxFlags := append([]cli.Flag{
cli.BoolFlag{
Name: "verbose, v",
Usage: "Output full tx info and execution logs",
},
}, options.RPC...)
return []cli.Command{{
Name: "query",
Usage: "Query data from RPC node",
Subcommands: []cli.Command{
{
Name: "candidates",
Usage: "Get candidates and votes",
Action: queryCandidates,
Flags: options.RPC,
},
{
Name: "committee",
Usage: "Get committee list",
Action: queryCommittee,
Flags: options.RPC,
},
{
Name: "height",
Usage: "Get node height",
Action: queryHeight,
Flags: options.RPC,
},
{
Name: "tx",
Usage: "Query transaction status",
UsageText: "neo-go query tx <hash> -r endpoint [-v]",
Action: queryTx,
Flags: queryTxFlags,
},
{
Name: "voter",
Usage: "Print NEO holder account state",
Action: queryVoter,
Flags: options.RPC,
},
},
}}
}
func queryTx(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(err, 1)
}
txOut, err := c.GetRawTransactionVerbose(txHash)
if err != nil {
return cli.NewExitError(err, 1)
}
var res *result.ApplicationLog
if !txOut.Blockhash.Equals(util.Uint256{}) {
res, err = c.GetApplicationLog(txHash, nil)
if err != nil {
return cli.NewExitError(err, 1)
}
}
DumpApplicationLog(ctx, res, &txOut.Transaction, &txOut.TransactionMetadata, ctx.Bool("verbose"))
return nil
}
func DumpApplicationLog(
ctx *cli.Context,
res *result.ApplicationLog,
tx *transaction.Transaction,
txMeta *result.TransactionMetadata,
verbose bool) {
buf := bytes.NewBuffer(nil)
// Ignore the errors below because `Write` to buffer doesn't return error.
tw := tabwriter.NewWriter(buf, 0, 4, 4, '\t', 0)
_, _ = tw.Write([]byte("Hash:\t" + tx.Hash().StringLE() + "\n"))
_, _ = tw.Write([]byte(fmt.Sprintf("OnChain:\t%t\n", res != nil)))
if res == nil {
_, _ = tw.Write([]byte("ValidUntil:\t" + strconv.FormatUint(uint64(tx.ValidUntilBlock), 10) + "\n"))
} else {
if txMeta != nil {
_, _ = tw.Write([]byte("BlockHash:\t" + txMeta.Blockhash.StringLE() + "\n"))
}
if len(res.Executions) != 1 {
_, _ = tw.Write([]byte("Success:\tunknown (no execution data)\n"))
} else {
_, _ = tw.Write([]byte(fmt.Sprintf("Success:\t%t\n", res.Executions[0].VMState == vmstate.Halt)))
}
}
if verbose {
for _, sig := range tx.Signers {
_, _ = tw.Write([]byte(fmt.Sprintf("Signer:\t%s (%s)",
address.Uint160ToString(sig.Account),
sig.Scopes) + "\n"))
}
_, _ = tw.Write([]byte("SystemFee:\t" + fixedn.Fixed8(tx.SystemFee).String() + " GAS\n"))
_, _ = tw.Write([]byte("NetworkFee:\t" + fixedn.Fixed8(tx.NetworkFee).String() + " GAS\n"))
_, _ = tw.Write([]byte("Script:\t" + base64.StdEncoding.EncodeToString(tx.Script) + "\n"))
v := vm.New()
v.Load(tx.Script)
v.PrintOps(tw)
if res != nil {
for _, e := range res.Executions {
if e.VMState != vmstate.Halt {
_, _ = tw.Write([]byte("Exception:\t" + e.FaultException + "\n"))
}
}
}
}
_ = tw.Flush()
fmt.Fprint(ctx.App.Writer, buf.String())
}
func queryCandidates(ctx *cli.Context) error {
var err error
if err := cmdargs.EnsureNone(ctx); err != nil {
return err
}
gctx, cancel := options.GetTimeoutContext(ctx)
defer cancel()
c, err := options.GetRPCClient(gctx, ctx)
if err != nil {
return cli.NewExitError(err, 1)
}
vals, err := c.GetCandidates()
if err != nil {
return cli.NewExitError(err, 1)
}
comm, err := c.GetCommittee()
if err != nil {
return cli.NewExitError(err, 1)
}
sort.Slice(vals, func(i, j int) bool {
if vals[i].Active != vals[j].Active {
return vals[i].Active
}
if vals[i].Votes != vals[j].Votes {
return vals[i].Votes > vals[j].Votes
}
return vals[i].PublicKey.Cmp(&vals[j].PublicKey) == -1
})
buf := bytes.NewBuffer(nil)
tw := tabwriter.NewWriter(buf, 0, 2, 2, ' ', 0)
_, _ = tw.Write([]byte("Key\tVotes\tCommittee\tConsensus\n"))
for _, val := range vals {
_, _ = tw.Write([]byte(fmt.Sprintf("%s\t%d\t%t\t%t\n", hex.EncodeToString(val.PublicKey.Bytes()), val.Votes, comm.Contains(&val.PublicKey), val.Active)))
}
_ = tw.Flush()
fmt.Fprint(ctx.App.Writer, buf.String())
return nil
}
func queryCommittee(ctx *cli.Context) error {
var err error
if err := cmdargs.EnsureNone(ctx); err != nil {
return err
}
gctx, cancel := options.GetTimeoutContext(ctx)
defer cancel()
c, err := options.GetRPCClient(gctx, ctx)
if err != nil {
return cli.NewExitError(err, 1)
}
comm, err := c.GetCommittee()
if err != nil {
return cli.NewExitError(err, 1)
}
for _, k := range comm {
fmt.Fprintln(ctx.App.Writer, hex.EncodeToString(k.Bytes()))
}
return nil
}
func queryHeight(ctx *cli.Context) error {
var err error
if err := cmdargs.EnsureNone(ctx); err != nil {
return err
}
gctx, cancel := options.GetTimeoutContext(ctx)
defer cancel()
c, err := options.GetRPCClient(gctx, ctx)
if err != nil {
return cli.NewExitError(err, 1)
}
blockCount, err := c.GetBlockCount()
if err != nil {
return cli.NewExitError(err, 1)
}
blockHeight := blockCount - 1 // GetBlockCount returns block count (including 0), not the highest block index.
fmt.Fprintf(ctx.App.Writer, "Latest block: %d\n", blockHeight)
stateHeight, err := c.GetStateHeight()
if err == nil { // We can be talking to a node without getstateheight request support.
fmt.Fprintf(ctx.App.Writer, "Validated state: %d\n", stateHeight.Validated)
}
return nil
}
func queryVoter(ctx *cli.Context) error {
args := ctx.Args()
if len(args) == 0 {
return cli.NewExitError("No address specified", 1)
} else if len(args) > 1 {
return cli.NewExitError("this command only accepts one address", 1)
}
addr, err := flags.ParseAddress(args[0])
if err != nil {
return cli.NewExitError(fmt.Sprintf("wrong address: %s", args[0]), 1)
}
gctx, cancel := options.GetTimeoutContext(ctx)
defer cancel()
c, exitErr := options.GetRPCClient(gctx, ctx)
if exitErr != nil {
return exitErr
}
neoHash, err := c.GetNativeContractHash(nativenames.Neo)
if err != nil {
return cli.NewExitError(fmt.Errorf("failed to get NEO contract hash: %w", err), 1)
}
res, err := c.InvokeFunction(neoHash, "getAccountState", []smartcontract.Parameter{
{
Type: smartcontract.Hash160Type,
Value: addr,
},
}, nil)
if err != nil {
return cli.NewExitError(err, 1)
}
if res.State != "HALT" {
return cli.NewExitError(fmt.Errorf("invocation failed: %s", res.FaultException), 1)
}
if len(res.Stack) == 0 {
return cli.NewExitError("result stack is empty", 1)
}
st := new(state.NEOBalance)
if _, ok := res.Stack[0].(stackitem.Null); !ok {
err = st.FromStackItem(res.Stack[0])
if err != nil {
return cli.NewExitError(fmt.Errorf("failed to convert account state from stackitem: %w", err), 1)
}
}
dec, err := c.NEP17Decimals(neoHash)
if err != nil {
return cli.NewExitError(fmt.Errorf("failed to get decimals: %w", err), 1)
}
voted := "null"
if st.VoteTo != nil {
voted = fmt.Sprintf("%s (%s)", hex.EncodeToString(st.VoteTo.Bytes()), address.Uint160ToString(st.VoteTo.GetScriptHash()))
}
fmt.Fprintf(ctx.App.Writer, "\tVoted: %s\n", voted)
fmt.Fprintf(ctx.App.Writer, "\tAmount : %s\n", fixedn.ToString(&st.Balance, int(dec)))
fmt.Fprintf(ctx.App.Writer, "\tBlock: %d\n", st.BalanceHeight)
return nil
}