neoneo-go/cli/smartcontract/testdata/verifyrpc/verify.go
2022-11-08 17:01:36 +03:00

70 lines
2.6 KiB
Go

// Package verify contains RPC wrappers for verify contract.
package verify
import (
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
"github.com/nspcc-dev/neo-go/pkg/util"
)
// Hash contains contract hash.
var Hash = util.Uint160{0x33, 0x22, 0x11, 0x0, 0xff, 0xee, 0xdd, 0xcc, 0xbb, 0xaa, 0x99, 0x88, 0x77, 0x66, 0x55, 0x44, 0x33, 0x22, 0x11, 0x0}
// Actor is used by Contract to call state-changing methods.
type Actor interface {
MakeCall(contract util.Uint160, method string, params ...interface{}) (*transaction.Transaction, error)
MakeRun(script []byte) (*transaction.Transaction, error)
MakeUnsignedCall(contract util.Uint160, method string, attrs []transaction.Attribute, params ...interface{}) (*transaction.Transaction, error)
MakeUnsignedRun(script []byte, attrs []transaction.Attribute) (*transaction.Transaction, error)
SendCall(contract util.Uint160, method string, params ...interface{}) (util.Uint256, uint32, error)
SendRun(script []byte) (util.Uint256, uint32, error)
}
// Contract implements all contract methods.
type Contract struct {
actor Actor
}
// New creates an instance of Contract using Hash and the given Actor.
func New(actor Actor) *Contract {
return &Contract{actor}
}
func scriptForVerify() ([]byte, error) {
return smartcontract.CreateCallWithAssertScript(Hash, "verify")
}
// Verify creates a transaction invoking `verify` method of the contract.
// This transaction is signed and immediately sent to the network.
// The values returned are its hash, ValidUntilBlock value and error if any.
func (c *Contract) Verify() (util.Uint256, uint32, error) {
script, err := scriptForVerify()
if err != nil {
return util.Uint256{}, 0, err
}
return c.actor.SendRun(script)
}
// VerifyTransaction creates a transaction invoking `verify` method of the contract.
// This transaction is signed, but not sent to the network, instead it's
// returned to the caller.
func (c *Contract) VerifyTransaction() (*transaction.Transaction, error) {
script, err := scriptForVerify()
if err != nil {
return nil, err
}
return c.actor.MakeRun(script)
}
// VerifyUnsigned creates a transaction invoking `verify` method of the contract.
// This transaction is not signed, it's simply returned to the caller.
// Any fields of it that do not affect fees can be changed (ValidUntilBlock,
// Nonce), fee values (NetworkFee, SystemFee) can be increased as well.
func (c *Contract) VerifyUnsigned() (*transaction.Transaction, error) {
script, err := scriptForVerify()
if err != nil {
return nil, err
}
return c.actor.MakeUnsignedRun(script, nil)
}