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https://github.com/nspcc-dev/neo-go.git
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118 lines
4.2 KiB
Go
118 lines
4.2 KiB
Go
package neotest
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import (
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"testing"
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"github.com/nspcc-dev/neo-go/pkg/core/transaction"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm"
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"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
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"github.com/nspcc-dev/neo-go/pkg/vm/vmstate"
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"github.com/stretchr/testify/require"
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)
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// ContractInvoker is a client for a specific contract.
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type ContractInvoker struct {
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*Executor
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Hash util.Uint160
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Signers []Signer
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}
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// NewInvoker creates a new ContractInvoker for the contract with hash h and the specified signers.
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func (e *Executor) NewInvoker(h util.Uint160, signers ...Signer) *ContractInvoker {
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return &ContractInvoker{
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Executor: e,
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Hash: h,
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Signers: signers,
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}
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}
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// CommitteeInvoker creates a new ContractInvoker for the contract with hash h and a committee multisignature signer.
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func (e *Executor) CommitteeInvoker(h util.Uint160) *ContractInvoker {
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return &ContractInvoker{
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Executor: e,
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Hash: h,
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Signers: []Signer{e.Committee},
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}
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}
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// ValidatorInvoker creates a new ContractInvoker for the contract with hash h and a validators multisignature signer.
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func (e *Executor) ValidatorInvoker(h util.Uint160) *ContractInvoker {
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return &ContractInvoker{
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Executor: e,
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Hash: h,
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Signers: []Signer{e.Validator},
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}
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}
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// TestInvoke creates test the VM and invokes the method with the args.
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func (c *ContractInvoker) TestInvoke(t testing.TB, method string, args ...interface{}) (*vm.Stack, error) {
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tx := c.PrepareInvokeNoSign(t, method, args...)
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b := c.NewUnsignedBlock(t, tx)
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ic := c.Chain.GetTestVM(trigger.Application, tx, b)
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t.Cleanup(ic.Finalize)
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ic.VM.LoadWithFlags(tx.Script, callflag.All)
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err := ic.VM.Run()
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return ic.VM.Estack(), err
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}
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// WithSigners creates a new client with the provided signer.
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func (c *ContractInvoker) WithSigners(signers ...Signer) *ContractInvoker {
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newC := *c
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newC.Signers = signers
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return &newC
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}
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// PrepareInvoke creates a new invocation transaction.
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func (c *ContractInvoker) PrepareInvoke(t testing.TB, method string, args ...interface{}) *transaction.Transaction {
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return c.Executor.NewTx(t, c.Signers, c.Hash, method, args...)
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}
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// PrepareInvokeNoSign creates a new unsigned invocation transaction.
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func (c *ContractInvoker) PrepareInvokeNoSign(t testing.TB, method string, args ...interface{}) *transaction.Transaction {
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return c.Executor.NewUnsignedTx(t, c.Hash, method, args...)
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}
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// Invoke invokes the method with the args, persists the transaction and checks the result.
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// Returns transaction hash.
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func (c *ContractInvoker) Invoke(t testing.TB, result interface{}, method string, args ...interface{}) util.Uint256 {
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tx := c.PrepareInvoke(t, method, args...)
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c.AddNewBlock(t, tx)
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c.CheckHalt(t, tx.Hash(), stackitem.Make(result))
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return tx.Hash()
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}
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// InvokeAndCheck invokes the method with the args, persists the transaction and checks the result
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// using the provided function. It returns the transaction hash.
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func (c *ContractInvoker) InvokeAndCheck(t testing.TB, checkResult func(t testing.TB, stack []stackitem.Item), method string, args ...interface{}) util.Uint256 {
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tx := c.PrepareInvoke(t, method, args...)
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c.AddNewBlock(t, tx)
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aer, err := c.Chain.GetAppExecResults(tx.Hash(), trigger.Application)
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require.NoError(t, err)
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require.Equal(t, vmstate.Halt, aer[0].VMState, aer[0].FaultException)
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if checkResult != nil {
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checkResult(t, aer[0].Stack)
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}
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return tx.Hash()
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}
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// InvokeWithFeeFail is like InvokeFail but sets the custom system fee for the transaction.
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func (c *ContractInvoker) InvokeWithFeeFail(t testing.TB, message string, sysFee int64, method string, args ...interface{}) util.Uint256 {
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tx := c.PrepareInvokeNoSign(t, method, args...)
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c.Executor.SignTx(t, tx, sysFee, c.Signers...)
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c.AddNewBlock(t, tx)
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c.CheckFault(t, tx.Hash(), message)
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return tx.Hash()
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}
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// InvokeFail invokes the method with the args, persists the transaction and checks the error message.
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// It returns the transaction hash.
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func (c *ContractInvoker) InvokeFail(t testing.TB, message string, method string, args ...interface{}) util.Uint256 {
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tx := c.PrepareInvoke(t, method, args...)
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c.AddNewBlock(t, tx)
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c.CheckFault(t, tx.Hash(), message)
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return tx.Hash()
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}
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