neoneo-go/pkg/rpcclient/nep17/doc_test.go
Roman Khimov ee55e95c28 rpcclient: add examples for nep11/nep17/neo
GAS doesn't need any, so just mention nep17 package there.
2022-09-08 14:33:04 +03:00

67 lines
1.9 KiB
Go

package nep17_test
import (
"context"
"math/big"
"github.com/nspcc-dev/neo-go/pkg/encoding/address"
"github.com/nspcc-dev/neo-go/pkg/rpcclient"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/actor"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/invoker"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/nep17"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neo-go/pkg/wallet"
)
func ExampleTokenReader() {
// No error checking done at all, intentionally.
c, _ := rpcclient.New(context.Background(), "url", rpcclient.Options{})
// Safe methods are reachable with just an invoker, no need for an account there.
inv := invoker.New(c, nil)
// NEP-17 contract hash.
nep17Hash := util.Uint160{9, 8, 7}
// And a reader interface.
n17 := nep17.NewReader(inv, nep17Hash)
// Get the metadata. Even though these methods are implemented in neptoken package,
// they're available for NEP-17 wrappers.
symbol, _ := n17.Symbol()
supply, _ := n17.TotalSupply()
_ = symbol
_ = supply
// Account hash we're interested in.
accHash, _ := address.StringToUint160("NdypBhqkz2CMMnwxBgvoC9X2XjKF5axgKo")
// Get account balance.
balance, _ := n17.BalanceOf(accHash)
_ = balance
}
func ExampleToken() {
// No error checking done at all, intentionally.
w, _ := wallet.NewWalletFromFile("somewhere")
defer w.Close()
c, _ := rpcclient.New(context.Background(), "url", rpcclient.Options{})
// Create a simple CalledByEntry-scoped actor (assuming there is an account
// inside the wallet).
a, _ := actor.NewSimple(c, w.Accounts[0])
// NEP-17 contract hash.
nep17Hash := util.Uint160{9, 8, 7}
// Create a complete NEP-17 contract representation.
n17 := nep17.New(a, nep17Hash)
tgtAcc, _ := address.StringToUint160("NdypBhqkz2CMMnwxBgvoC9X2XjKF5axgKo")
// Send a transaction that transfers one token to another account.
txid, vub, _ := n17.Transfer(a.Sender(), tgtAcc, big.NewInt(1), nil)
_ = txid
_ = vub
}