68 lines
1.9 KiB
Go
68 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
|
||
|
|
}
|