TrueCloudLab/neo-go
8
0
Fork 0
mirror of https://github.com/nspcc-dev/neo-go.git synced 2024-11-25 23:42:23 +00:00
Code Issues Projects Releases Packages Wiki Activity

neptoken: add Info to replace old NEPXXTokenInfo methods

Browse source 
I'm still not sure it's good to have this exposed from neptoken at all, but
let's try it this way.
This commit is contained in:
Roman Khimov 2022-08-26 22:56:18 +03:00
parent a3f32bf306
commit ed6ed61712
7 changed files with 222 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
cli/wallet/nep11.go
View file

@ -206,7 +206,7 @@ func getNEP11Balance(ctx *cli.Context) error {
if err != nil {
return cli.NewExitError(fmt.Errorf("can't fetch matching token from RPC-node: %w", err), 1)
}
token, err = c.NEP11TokenInfo(tokenHash)
token, err = getTokenWithStandard(c, tokenHash, manifest.NEP11StandardName)
if err != nil {
return cli.NewExitError(err.Error(), 1)
}

30
cli/wallet/nep17.go
View file

@ -24,6 +24,7 @@ import (
"github.com/nspcc-dev/neo-go/pkg/rpcclient/neo"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/nep11"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/nep17"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/neptoken"
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
"github.com/nspcc-dev/neo-go/pkg/smartcontract/manifest"
"github.com/nspcc-dev/neo-go/pkg/util"
@ -214,7 +215,7 @@ func getNEP17Balance(ctx *cli.Context) error {
asset := balances.Balances[i].Asset
token, err := getMatchingToken(ctx, wall, asset.StringLE(), manifest.NEP17StandardName)
if err != nil {
token, err = c.NEP17TokenInfo(asset)
token, err = getTokenWithStandard(c, asset, manifest.NEP17StandardName)
}
if err == nil {
if name != "" && !(token.Name == name || token.Symbol == name || token.Address() == name || token.Hash.StringLE() == name) {
@ -268,7 +269,7 @@ func getNEP17Balance(ctx *cli.Context) error {
}
}
}
token, err = c.NEP17TokenInfo(h)
token, err = getTokenWithStandard(c, h, manifest.NEP17StandardName)
if err != nil {
continue
}
@ -309,7 +310,7 @@ func getMatchingTokenRPC(ctx *cli.Context, c *rpcclient.Client, addr util.Uint16
return nil, err
}
get := func(i int) *wallet.Token {
t, _ := c.NEP17TokenInfo(bs.Balances[i].Asset)
t, _ := getTokenWithStandard(c, bs.Balances[i].Asset, standard)
return t
}
return getMatchingTokenAux(ctx, get, len(bs.Balances), name, standard)
@ -319,7 +320,7 @@ func getMatchingTokenRPC(ctx *cli.Context, c *rpcclient.Client, addr util.Uint16
return nil, fmt.Errorf("valid token adress or hash in LE should be specified for %s RPC-node request: %s", standard, err.Error())
}
get := func(i int) *wallet.Token {
t, _ := c.NEP11TokenInfo(tokenHash)
t, _ := getTokenWithStandard(c, tokenHash, standard)
return t
}
return getMatchingTokenAux(ctx, get, 1, name, standard)
@ -383,15 +384,7 @@ func importNEPToken(ctx *cli.Context, standard string) error {
return cli.NewExitError(err, 1)
}
var tok *wallet.Token
switch standard {
case manifest.NEP17StandardName:
tok, err = c.NEP17TokenInfo(tokenHash)
case manifest.NEP11StandardName:
tok, err = c.NEP11TokenInfo(tokenHash)
default:
return cli.NewExitError(fmt.Sprintf("unsupported token standard: %s", standard), 1)
}
tok, err := getTokenWithStandard(c, tokenHash, standard)
if err != nil {
return cli.NewExitError(fmt.Errorf("can't receive token info: %w", err), 1)
}
@ -404,6 +397,17 @@ func importNEPToken(ctx *cli.Context, standard string) error {
return nil
}
func getTokenWithStandard(c *rpcclient.Client, hash util.Uint160, std string) (*wallet.Token, error) {
token, err := neptoken.Info(c, hash)
if err != nil {
return nil, err
}
if token.Standard != std {
return nil, fmt.Errorf("%s is not a %s token", hash.StringLE(), std)
}
return token, err
}
func printTokenInfo(ctx *cli.Context, tok *wallet.Token) {
w := ctx.App.Writer
fmt.Fprintf(w, "Name:\t%s\n", tok.Name)

3
pkg/rpcclient/nep11.go
View file

@ -49,6 +49,9 @@ func (c *Client) NEP11BalanceOf(tokenHash, owner util.Uint160) (int64, error) {
}
// NEP11TokenInfo returns full NEP-11 token info.
//
// Deprecated: please use Info method from the neptoken subpackage. This method
// will be removed in future versions.
func (c *Client) NEP11TokenInfo(tokenHash util.Uint160) (*wallet.Token, error) {
return c.nepTokenInfo(tokenHash, manifest.NEP11StandardName)
}

3
pkg/rpcclient/nep17.go
View file

@ -61,6 +61,9 @@ func (c *Client) NEP17BalanceOf(tokenHash, acc util.Uint160) (int64, error) {
}
// NEP17TokenInfo returns full NEP-17 token info.
//
// Deprecated: please use Info method from the neptoken subpackage. This method
// will be removed in future versions.
func (c *Client) NEP17TokenInfo(tokenHash util.Uint160) (*wallet.Token, error) {
return c.nepTokenInfo(tokenHash, manifest.NEP17StandardName)
}

47
pkg/rpcclient/neptoken/info.go Normal file
View file

@ -0,0 +1,47 @@
package neptoken
import (
"fmt"
"github.com/nspcc-dev/neo-go/pkg/core/state"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/invoker"
"github.com/nspcc-dev/neo-go/pkg/smartcontract/manifest"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neo-go/pkg/wallet"
)
// InfoClient is a set of RPC methods required to get all of the NEP-11/NEP-17
// token data.
type InfoClient interface {
invoker.RPCInvoke
GetContractStateByHash(hash util.Uint160) (*state.Contract, error)
}
// Info allows to get basic token info using RPC client.
func Info(c InfoClient, hash util.Uint160) (*wallet.Token, error) {
cs, err := c.GetContractStateByHash(hash)
if err != nil {
return nil, err
}
var standard string
for _, st := range cs.Manifest.SupportedStandards {
if st == manifest.NEP17StandardName || st == manifest.NEP11StandardName {
standard = st
break
}
}
if standard == "" {
return nil, fmt.Errorf("contract %s is not NEP-11/NEP17", hash.StringLE())
}
b := New(invoker.New(c, nil), hash)
symbol, err := b.Symbol()
if err != nil {
return nil, err
}
decimals, err := b.Decimals()
if err != nil {
return nil, err
}
return wallet.NewToken(hash, cs.Manifest.Name, symbol, int64(decimals), standard), nil
}

147
pkg/rpcclient/neptoken/info_test.go Normal file
View file

@ -0,0 +1,147 @@
package neptoken
import (
"errors"
"testing"
"github.com/google/uuid"
"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/neorpc/result"
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
"github.com/nspcc-dev/neo-go/pkg/smartcontract/manifest"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
"github.com/nspcc-dev/neo-go/pkg/wallet"
"github.com/stretchr/testify/require"
)
type rpcClient struct {
cnt int
cserr error
cs *state.Contract
inverrs []error
invs []*result.Invoke
}
func (r *rpcClient) InvokeContractVerify(contract util.Uint160, params []smartcontract.Parameter, signers []transaction.Signer, witnesses ...transaction.Witness) (*result.Invoke, error) {
panic("not implemented")
}
func (r *rpcClient) InvokeFunction(contract util.Uint160, operation string, params []smartcontract.Parameter, signers []transaction.Signer) (*result.Invoke, error) {
e, i := r.inverrs[r.cnt], r.invs[r.cnt]
r.cnt = (r.cnt + 1) % len(r.invs)
return i, e
}
func (r *rpcClient) InvokeScript(script []byte, signers []transaction.Signer) (*result.Invoke, error) {
panic("not implemented")
}
func (r *rpcClient) TerminateSession(sessionID uuid.UUID) (bool, error) {
panic("not implemented")
}
func (r *rpcClient) TraverseIterator(sessionID, iteratorID uuid.UUID, maxItemsCount int) ([]stackitem.Item, error) {
panic("not implemented")
}
func (r *rpcClient) GetContractStateByHash(hash util.Uint160) (*state.Contract, error) {
return r.cs, r.cserr
}
func TestInfo(t *testing.T) {
c := &rpcClient{}
hash := util.Uint160{1, 2, 3}
// Error on contract state.
c.cserr = errors.New("")
_, err := Info(c, hash)
require.Error(t, err)
// Error on missing standard.
c.cserr = nil
c.cs = &state.Contract{
ContractBase: state.ContractBase{
Manifest: manifest.Manifest{
Name: "Vasiliy",
SupportedStandards: []string{"RFC 1149"},
},
},
}
_, err = Info(c, hash)
require.Error(t, err)
// Error on Symbol()
c.cs = &state.Contract{
ContractBase: state.ContractBase{
Manifest: manifest.Manifest{
Name: "Übertoken",
SupportedStandards: []string{"NEP-17"},
},
},
}
c.inverrs = []error{errors.New(""), nil}
c.invs = []*result.Invoke{nil, nil}
_, err = Info(c, hash)
require.Error(t, err)
// Error on Decimals()
c.cnt = 0
c.inverrs[0], c.inverrs[1] = c.inverrs[1], c.inverrs[0]
c.invs[0] = &result.Invoke{
State: "HALT",
Stack: []stackitem.Item{
stackitem.Make("UBT"),
},
}
_, err = Info(c, hash)
require.Error(t, err)
// OK
c.cnt = 0
c.inverrs[1] = nil
c.invs[1] = &result.Invoke{
State: "HALT",
Stack: []stackitem.Item{
stackitem.Make(8),
},
}
ti, err := Info(c, hash)
require.NoError(t, err)
require.Equal(t, &wallet.Token{
Name: "Übertoken",
Hash: hash,
Decimals: 8,
Symbol: "UBT",
Standard: "NEP-17",
}, ti)
// NEP-11
c.cs = &state.Contract{
ContractBase: state.ContractBase{
Manifest: manifest.Manifest{
Name: "NFTizer",
SupportedStandards: []string{"NEP-11"},
},
},
}
c.cnt = 0
c.inverrs[1] = nil
c.invs[0] = &result.Invoke{
State: "HALT",
Stack: []stackitem.Item{
stackitem.Make("NZ"),
},
}
c.invs[1] = &result.Invoke{
State: "HALT",
Stack: []stackitem.Item{
stackitem.Make(0),
},
}
ti, err = Info(c, hash)
require.NoError(t, err)
require.Equal(t, &wallet.Token{
Name: "NFTizer",
Hash: hash,
Decimals: 0,
Symbol: "NZ",
Standard: "NEP-11",
}, ti)
}

7
pkg/services/rpcsrv/client_test.go
View file

@ -36,6 +36,7 @@ import (
"github.com/nspcc-dev/neo-go/pkg/rpcclient/neo"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/nep11"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/nep17"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/neptoken"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/nns"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/oracle"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/policy"
@ -82,7 +83,7 @@ func TestClient_NEP17(t *testing.T) {
require.Equal(t, "RUB", sym)
})
t.Run("TokenInfo", func(t *testing.T) {
tok, err := c.NEP17TokenInfo(h)
tok, err := neptoken.Info(c, h)
require.NoError(t, err)
require.Equal(t, h, tok.Hash)
require.Equal(t, "Rubl", tok.Name)
@ -1259,7 +1260,7 @@ func TestClient_NEP11_ND(t *testing.T) {
require.Equal(t, "NNS", sym)
})
t.Run("TokenInfo", func(t *testing.T) {
tok, err := c.NEP11TokenInfo(h)
tok, err := neptoken.Info(c, h)
require.NoError(t, err)
require.Equal(t, &wallet.Token{
Name: "NameService",
@ -1345,7 +1346,7 @@ func TestClient_NEP11_D(t *testing.T) {
require.Equal(t, "NFSO", sym)
})
t.Run("TokenInfo", func(t *testing.T) {
tok, err := c.NEP11TokenInfo(nfsoHash)
tok, err := neptoken.Info(c, nfsoHash)
require.NoError(t, err)
require.Equal(t, &wallet.Token{
Name: "NeoFS Object NFT",