frostfs-contract/tests/proxy_test.go

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package tests
import (
"errors"
"path"
"testing"
"github.com/nspcc-dev/neo-go/pkg/config/netmode"
"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
"github.com/nspcc-dev/neo-go/pkg/io"
"github.com/nspcc-dev/neo-go/pkg/neotest"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neo-go/pkg/vm/emit"
"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
"github.com/stretchr/testify/require"
)
const proxyPath = "../proxy"
func deployProxyContract(t *testing.T, e *neotest.Executor, addrNetmap util.Uint160) util.Uint160 {
args := make([]any, 1)
args[0] = addrNetmap
c := neotest.CompileFile(t, e.CommitteeHash, proxyPath, path.Join(proxyPath, "config.yml"))
e.DeployContract(t, c, args)
return c.Hash
}
func newProxyInvoker(t *testing.T) *neotest.ContractInvoker {
e := newExecutor(t)
ctrNetmap := neotest.CompileFile(t, e.CommitteeHash, netmapPath, path.Join(netmapPath, "config.yml"))
ctrBalance := neotest.CompileFile(t, e.CommitteeHash, balancePath, path.Join(balancePath, "config.yml"))
ctrContainer := neotest.CompileFile(t, e.CommitteeHash, containerPath, path.Join(containerPath, "config.yml"))
ctrProxy := neotest.CompileFile(t, e.CommitteeHash, proxyPath, path.Join(proxyPath, "config.yml"))
deployNetmapContract(t, e, ctrBalance.Hash, ctrContainer.Hash)
deployProxyContract(t, e, ctrNetmap.Hash)
return e.CommitteeInvoker(ctrProxy.Hash)
}
func TestVerify(t *testing.T) {
e := newProxyInvoker(t)
acc := e.NewAccount(t)
gas := e.NewInvoker(e.NativeHash(t, nativenames.Gas), e.Validator)
gas.Invoke(t, true, "transfer", e.Validator.ScriptHash(), e.Hash, 100_0000_0000, nil)
t.Run("proxy + committee", func(t *testing.T) {
s := &proxySigner{contract: e.Hash, account: e.CommitteeHash}
tx := e.PrepareInvocation(t, []byte{byte(opcode.RET)}, []neotest.Signer{s, e.Committee})
require.NoError(t, e.Chain.VerifyTx(tx))
})
t.Run("proxy + custom account", func(t *testing.T) {
s := &proxySigner{contract: e.Hash, account: acc.ScriptHash()}
t.Run("bad, only proxy", func(t *testing.T) {
tx := e.PrepareInvocation(t, []byte{byte(opcode.RET)}, []neotest.Signer{s, acc})
require.Error(t, e.Chain.VerifyTx(tx))
})
e.Invoke(t, stackitem.Null{}, "addAccount", s.account)
tx := e.PrepareInvocation(t, []byte{byte(opcode.RET)}, []neotest.Signer{s, acc})
require.NoError(t, e.Chain.VerifyTx(tx))
})
}
type proxySigner struct {
contract util.Uint160
account util.Uint160
}
var _ neotest.ContractSigner = (*proxySigner)(nil)
func (s *proxySigner) Script() []byte {
return nil
}
func (s *proxySigner) ScriptHash() util.Uint160 {
return s.contract
}
func (s *proxySigner) SignHashable(uint32, hash.Hashable) []byte {
panic("not implemented")
}
func (s *proxySigner) SignTx(_ netmode.Magic, tx *transaction.Transaction) error {
pos := -1
for i := range tx.Signers {
if tx.Signers[i].Account.Equals(s.contract) {
pos = i
break
}
}
if pos < 0 {
return errors.New("transaction is not signed by this account")
}
if len(tx.Scripts) < pos {
return errors.New("transaction is not yet signed by the previous signer")
}
invoc, err := s.InvocationScript(tx)
if err != nil {
return err
}
w := transaction.Witness{InvocationScript: invoc}
if len(tx.Scripts) == pos {
tx.Scripts = append(tx.Scripts, w)
} else {
tx.Scripts[pos].InvocationScript = invoc
}
return nil
}
func (s *proxySigner) InvocationScript(tx *transaction.Transaction) ([]byte, error) {
w := io.NewBufBinWriter()
emit.Any(w.BinWriter, s.account)
return w.Bytes(), nil
}