308 lines
6.9 KiB
Go
308 lines
6.9 KiB
Go
package actors_test
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import (
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"context"
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"testing"
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"github.com/ipfs/go-cid"
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dstore "github.com/ipfs/go-datastore"
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hamt "github.com/ipfs/go-hamt-ipld"
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blockstore "github.com/ipfs/go-ipfs-blockstore"
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bstore "github.com/ipfs/go-ipfs-blockstore"
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cbor "github.com/ipfs/go-ipld-cbor"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/go-lotus/chain/actors"
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"github.com/filecoin-project/go-lotus/chain/address"
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"github.com/filecoin-project/go-lotus/chain/gen"
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"github.com/filecoin-project/go-lotus/chain/state"
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"github.com/filecoin-project/go-lotus/chain/store"
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"github.com/filecoin-project/go-lotus/chain/types"
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"github.com/filecoin-project/go-lotus/chain/vm"
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"github.com/filecoin-project/go-lotus/chain/wallet"
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)
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const testGasLimit = 10000
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type HarnessInit struct {
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NAddrs uint64
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Addrs map[address.Address]types.BigInt
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Miner address.Address
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}
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type HarnessStage int
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const (
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HarnessPreInit HarnessStage = iota
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HarnessPostInit
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)
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type HarnessOpt func(testing.TB, *Harness) error
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type Harness struct {
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HI HarnessInit
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Stage HarnessStage
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Nonces map[address.Address]uint64
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GasCharges map[address.Address]types.BigInt
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lastBalanceCheck map[address.Address]types.BigInt
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ctx context.Context
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bs blockstore.Blockstore
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vm *vm.VM
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cs *store.ChainStore
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w *wallet.Wallet
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}
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var HarnessMinerFunds = types.NewInt(1000000)
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func HarnessAddr(addr *address.Address, value uint64) HarnessOpt {
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return func(t testing.TB, h *Harness) error {
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if h.Stage != HarnessPreInit {
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return nil
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}
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hi := &h.HI
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if addr.Empty() {
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k, err := h.w.GenerateKey(types.KTSecp256k1)
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if err != nil {
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t.Fatal(err)
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}
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*addr = k
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}
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hi.Addrs[*addr] = types.NewInt(value)
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return nil
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}
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}
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func HarnessMiner(addr *address.Address) HarnessOpt {
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return func(_ testing.TB, h *Harness) error {
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if h.Stage != HarnessPreInit {
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return nil
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}
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hi := &h.HI
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if addr.Empty() {
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*addr = hi.Miner
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return nil
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}
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delete(hi.Addrs, hi.Miner)
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hi.Miner = *addr
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return nil
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}
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}
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func HarnessActor(actor *address.Address, creator *address.Address, code cid.Cid, params func() interface{}) HarnessOpt {
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return func(t testing.TB, h *Harness) error {
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if h.Stage != HarnessPostInit {
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return nil
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}
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if !actor.Empty() {
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return xerrors.New("actor address should be empty")
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}
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ret, _ := h.CreateActor(t, *creator, code, params())
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if ret.ExitCode != 0 {
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return xerrors.Errorf("creating actor: %w", ret.ActorErr)
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}
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var err error
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*actor, err = address.NewFromBytes(ret.Return)
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return err
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}
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}
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func HarnessCtx(ctx context.Context) HarnessOpt {
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return func(t testing.TB, h *Harness) error {
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h.ctx = ctx
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return nil
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}
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}
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func NewHarness(t *testing.T, options ...HarnessOpt) *Harness {
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w, err := wallet.NewWallet(wallet.NewMemKeyStore())
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if err != nil {
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t.Fatal(err)
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}
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h := &Harness{
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Stage: HarnessPreInit,
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Nonces: make(map[address.Address]uint64),
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HI: HarnessInit{
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NAddrs: 1,
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Miner: blsaddr(0),
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Addrs: map[address.Address]types.BigInt{
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blsaddr(0): HarnessMinerFunds,
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},
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},
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GasCharges: make(map[address.Address]types.BigInt),
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lastBalanceCheck: make(map[address.Address]types.BigInt),
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w: w,
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ctx: context.Background(),
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bs: bstore.NewBlockstore(dstore.NewMapDatastore()),
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}
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for _, opt := range options {
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err := opt(t, h)
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if err != nil {
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t.Fatalf("Applying options: %v", err)
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}
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}
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st, err := gen.MakeInitialStateTree(h.bs, h.HI.Addrs)
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if err != nil {
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t.Fatal(err)
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}
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stateroot, err := st.Flush()
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if err != nil {
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t.Fatal(err)
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}
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h.cs = store.NewChainStore(h.bs, nil)
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h.vm, err = vm.NewVM(stateroot, 1, h.HI.Miner, h.cs)
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if err != nil {
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t.Fatal(err)
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}
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h.Stage = HarnessPostInit
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for _, opt := range options {
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err := opt(t, h)
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if err != nil {
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t.Fatalf("Applying options: %v", err)
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}
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}
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return h
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}
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func (h *Harness) Apply(t testing.TB, msg types.Message) (*vm.ApplyRet, *state.StateTree) {
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t.Helper()
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if msg.Nonce == 0 {
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msg.Nonce, _ = h.Nonces[msg.From]
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h.Nonces[msg.From] = msg.Nonce + 1
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}
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ret, err := h.vm.ApplyMessage(h.ctx, &msg)
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if err != nil {
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t.Fatalf("Applying message: %+v", err)
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}
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if ret != nil {
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if prev, ok := h.GasCharges[msg.From]; ok {
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h.GasCharges[msg.From] = types.BigAdd(prev, ret.GasUsed)
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} else {
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h.GasCharges[msg.From] = ret.GasUsed
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}
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}
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stateroot, err := h.vm.Flush(context.TODO())
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if err != nil {
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t.Fatalf("Flushing VM: %+v", err)
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}
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cst := hamt.CSTFromBstore(h.bs)
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state, err := state.LoadStateTree(cst, stateroot)
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if err != nil {
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t.Fatalf("Loading state tree: %+v", err)
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}
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return ret, state
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}
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func (h *Harness) CreateActor(t testing.TB, from address.Address,
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code cid.Cid, params interface{}) (*vm.ApplyRet, *state.StateTree) {
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t.Helper()
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return h.Apply(t, types.Message{
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To: actors.InitActorAddress,
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From: from,
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Method: actors.IAMethods.Exec,
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Params: DumpObject(t,
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&actors.ExecParams{
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Code: code,
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Params: DumpObject(t, params),
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}),
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GasPrice: types.NewInt(1),
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GasLimit: types.NewInt(testGasLimit),
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Value: types.NewInt(0),
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})
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}
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func (h *Harness) SendFunds(t testing.TB, from address.Address, to address.Address,
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value types.BigInt) (*vm.ApplyRet, *state.StateTree) {
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t.Helper()
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return h.Apply(t, types.Message{
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To: to,
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From: from,
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Method: 0,
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Value: value,
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GasPrice: types.NewInt(1),
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GasLimit: types.NewInt(testGasLimit),
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})
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}
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func (h *Harness) Invoke(t testing.TB, from address.Address, to address.Address,
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method uint64, params interface{}) (*vm.ApplyRet, *state.StateTree) {
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t.Helper()
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return h.Apply(t, types.Message{
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To: to,
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From: from,
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Method: method,
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Value: types.NewInt(0),
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Params: DumpObject(t, params),
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GasPrice: types.NewInt(1),
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GasLimit: types.NewInt(testGasLimit),
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})
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}
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func (h *Harness) AssertBalance(t testing.TB, addr address.Address, amt uint64) {
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t.Helper()
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b, err := h.vm.ActorBalance(addr)
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if err != nil {
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t.Fatalf("%+v", err)
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}
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if types.BigCmp(types.NewInt(amt), b) != 0 {
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t.Errorf("expected %s to have balanced of %d. Instead has %s", addr, amt, b)
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}
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}
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func (h *Harness) AssertBalanceChange(t testing.TB, addr address.Address, amt int64) {
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t.Helper()
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lastBalance, ok := h.lastBalanceCheck[addr]
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if !ok {
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lastBalance, ok = h.HI.Addrs[addr]
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if !ok {
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lastBalance = types.NewInt(0)
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}
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}
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var expected types.BigInt
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if amt >= 0 {
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expected = types.BigAdd(lastBalance, types.NewInt(uint64(amt)))
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} else {
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expected = types.BigSub(lastBalance, types.NewInt(uint64(-amt)))
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}
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h.lastBalanceCheck[addr] = expected
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if gasUsed, ok := h.GasCharges[addr]; ok {
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expected = types.BigSub(expected, gasUsed)
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}
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b, err := h.vm.ActorBalance(addr)
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if err != nil {
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t.Fatalf("%+v", err)
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}
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if types.BigCmp(expected, b) != 0 {
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t.Errorf("expected %s to have balanced of %d. Instead has %s", addr, amt, b)
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}
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}
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func DumpObject(t testing.TB, obj interface{}) []byte {
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t.Helper()
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enc, err := cbor.DumpObject(obj)
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if err != nil {
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t.Fatalf("dumping params: %+v", err)
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}
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return enc
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}
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