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