148 lines
3.9 KiB
Go
148 lines
3.9 KiB
Go
package validation
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import (
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"context"
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"github.com/filecoin-project/specs-actors/actors/abi"
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"github.com/filecoin-project/specs-actors/actors/abi/big"
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"github.com/filecoin-project/specs-actors/actors/builtin"
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"github.com/filecoin-project/specs-actors/actors/crypto"
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"github.com/filecoin-project/specs-actors/actors/runtime/exitcode"
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"github.com/ipfs/go-cid"
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vtypes "github.com/filecoin-project/chain-validation/chain/types"
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vdrivers "github.com/filecoin-project/chain-validation/drivers"
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vstate "github.com/filecoin-project/chain-validation/state"
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"github.com/filecoin-project/lotus/chain/stmgr"
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"github.com/filecoin-project/lotus/chain/store"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/lotus/chain/vm"
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)
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// Applier applies messages to state trees and storage.
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type Applier struct {
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}
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var _ vstate.Applier = &Applier{}
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func NewApplier() *Applier {
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return &Applier{}
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}
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func (a *Applier) ApplyMessage(eCtx *vtypes.ExecutionContext, state vstate.VMWrapper, message *vtypes.Message) (vtypes.MessageReceipt, error) {
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ctx := context.TODO()
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st := state.(*StateWrapper)
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base := st.Root()
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randSrc := &vmRand{eCtx}
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lotusVM, err := vm.NewVM(base, abi.ChainEpoch(eCtx.Epoch), randSrc, eCtx.Miner, st.bs, vdrivers.NewChainValidationSyscalls())
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if err != nil {
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return vtypes.MessageReceipt{}, err
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}
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ret, err := lotusVM.ApplyMessage(ctx, toLotusMsg(message))
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if err != nil {
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return vtypes.MessageReceipt{}, err
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}
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rval := ret.Return
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if rval == nil {
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rval = []byte{}
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}
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st.stateRoot, err = lotusVM.Flush(ctx)
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if err != nil {
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return vtypes.MessageReceipt{}, err
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}
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mr := vtypes.MessageReceipt{
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ExitCode: exitcode.ExitCode(ret.ExitCode),
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ReturnValue: rval,
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GasUsed: big.NewInt(ret.GasUsed),
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}
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return mr, nil
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}
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func (a *Applier) ApplyTipSetMessages(state vstate.VMWrapper, blocks []vtypes.BlockMessagesInfo, epoch abi.ChainEpoch, rnd vstate.RandomnessSource) ([]vtypes.MessageReceipt, error) {
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sw := state.(*StateWrapper)
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cs := store.NewChainStore(sw.bs, sw.ds, vdrivers.NewChainValidationSyscalls())
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sm := stmgr.NewStateManager(cs)
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var bms []stmgr.BlockMessages
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for _, b := range blocks {
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bm := stmgr.BlockMessages{
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Miner: b.Miner,
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TicketCount: 1,
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}
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for _, m := range b.BLSMessages {
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bm.BlsMessages = append(bm.BlsMessages, toLotusMsg(m))
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}
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for _, m := range b.SECPMessages {
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bm.SecpkMessages = append(bm.SecpkMessages, toLotusMsg(&m.Message))
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}
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bms = append(bms, bm)
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}
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var receipts []vtypes.MessageReceipt
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sroot, _, err := sm.ApplyBlocks(context.TODO(), state.Root(), bms, epoch, &randWrapper{rnd}, func(c cid.Cid, msg *types.Message, ret *vm.ApplyRet) error {
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if msg.From == builtin.SystemActorAddr {
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return nil // ignore reward and cron calls
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}
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rval := ret.Return
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if rval == nil {
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rval = []byte{} // chain validation tests expect empty arrays to not be nil...
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}
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receipts = append(receipts, vtypes.MessageReceipt{
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ExitCode: exitcode.ExitCode(ret.ExitCode),
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ReturnValue: rval,
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GasUsed: big.NewInt(ret.GasUsed),
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})
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return nil
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})
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if err != nil {
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return nil, err
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}
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state.(*StateWrapper).stateRoot = sroot
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return receipts, nil
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}
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type randWrapper struct {
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rnd vstate.RandomnessSource
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}
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func (w *randWrapper) GetRandomness(ctx context.Context, pers crypto.DomainSeparationTag, round int64, entropy []byte) ([]byte, error) {
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return w.rnd.Randomness(ctx, pers, abi.ChainEpoch(round), entropy)
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}
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type vmRand struct {
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eCtx *vtypes.ExecutionContext
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}
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func (*vmRand) GetRandomness(ctx context.Context, dst crypto.DomainSeparationTag, h int64, input []byte) ([]byte, error) {
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panic("implement me")
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}
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func toLotusMsg(msg *vtypes.Message) *types.Message {
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return &types.Message{
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To: msg.To,
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From: msg.From,
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Nonce: uint64(msg.CallSeqNum),
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Method: msg.Method,
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Value: types.BigInt{Int: msg.Value.Int},
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GasPrice: types.BigInt{Int: msg.GasPrice.Int},
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GasLimit: msg.GasLimit,
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Params: msg.Params,
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}
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}
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