50 lines
1.7 KiB
Go
50 lines
1.7 KiB
Go
|
package smartcontract_test
|
||
|
|
|
||
|
|
import (
|
||
|
|
"context"
|
||
|
|
"encoding/hex"
|
||
|
|
|
||
|
|
"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/rpcclient"
|
||
|
|
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
|
||
|
|
"github.com/nspcc-dev/neo-go/pkg/util"
|
||
|
|
"github.com/nspcc-dev/neo-go/pkg/wallet"
|
||
|
|
)
|
||
|
|
|
||
|
|
func ExampleBuilder() {
|
||
|
|
// No error checking done at all, intentionally.
|
||
|
|
c, _ := rpcclient.New(context.Background(), "url", rpcclient.Options{})
|
||
|
|
neoHash, _ := c.GetNativeContractHash("NeoToken")
|
||
|
|
|
||
|
|
pKey, _ := hex.DecodeString("03d9e8b16bd9b22d3345d6d4cde31be1c3e1d161532e3d0ccecb95ece2eb58336e") // Public key.
|
||
|
|
|
||
|
|
b := smartcontract.NewBuilder()
|
||
|
|
// Single NEO "vote" call with a check
|
||
|
|
b.InvokeWithAssert(neoHash, "vote", pKey)
|
||
|
|
script, _ := b.Script()
|
||
|
|
|
||
|
|
// The script can then be used to create transaction or to invoke via RPC.
|
||
|
|
res, _ := c.InvokeScript(script, []transaction.Signer{{Account: util.Uint160{0x01, 0x02, 0x03}, Scopes: transaction.CalledByEntry}})
|
||
|
|
if res.State != "HALT" {
|
||
|
|
// The script failed
|
||
|
|
}
|
||
|
|
|
||
|
|
b.Reset() // Copy the old script above if you need it!
|
||
|
|
|
||
|
|
w, _ := wallet.NewWalletFromFile("somewhere")
|
||
|
|
// Assuming there is one Account inside
|
||
|
|
acc := w.Accounts[0]
|
||
|
|
from, _ := address.StringToUint160(acc.Address)
|
||
|
|
|
||
|
|
// Multiple transfers in a single script. If any of them fail whole script fails.
|
||
|
|
b.InvokeWithAssert(neoHash, "transfer", from, util.Uint160{0x70}, 1, nil)
|
||
|
|
b.InvokeWithAssert(neoHash, "transfer", from, util.Uint160{0x71}, 10, []byte("data"))
|
||
|
|
b.InvokeWithAssert(neoHash, "transfer", from, util.Uint160{0x72}, 1, nil)
|
||
|
|
script, _ = b.Script()
|
||
|
|
|
||
|
|
// The script can then be used to create transaction or to invoke via RPC.
|
||
|
|
txid, _ := c.SignAndPushInvocationTx(script, acc, -1, 0, nil)
|
||
|
|
_ = txid
|
||
|
|
}
|