2020-08-15 22:57:27 +00:00
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package conformance
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import (
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"context"
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2020-10-07 11:45:11 +00:00
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gobig "math/big"
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2020-09-30 10:02:10 +00:00
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"os"
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2020-09-03 21:54:19 +00:00
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2020-09-27 19:10:05 +00:00
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"github.com/filecoin-project/lotus/chain/state"
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2020-09-01 14:35:19 +00:00
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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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2020-08-26 20:39:44 +00:00
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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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2020-09-08 20:50:25 +00:00
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"github.com/filecoin-project/lotus/conformance/chaos"
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2020-08-26 20:39:44 +00:00
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"github.com/filecoin-project/lotus/extern/sector-storage/ffiwrapper"
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"github.com/filecoin-project/lotus/lib/blockstore"
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2020-10-08 15:44:20 +00:00
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_ "github.com/filecoin-project/lotus/lib/sigs/bls" // enable bls signatures
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_ "github.com/filecoin-project/lotus/lib/sigs/secp" // enable secp signatures
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2020-09-07 03:49:10 +00:00
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"github.com/filecoin-project/go-state-types/abi"
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2020-10-07 11:45:11 +00:00
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"github.com/filecoin-project/go-state-types/big"
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2020-09-28 22:04:52 +00:00
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"github.com/filecoin-project/go-state-types/crypto"
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2020-08-19 13:31:34 +00:00
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2020-08-26 20:39:44 +00:00
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"github.com/filecoin-project/test-vectors/schema"
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2020-08-21 10:51:50 +00:00
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2020-09-01 14:35:19 +00:00
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"github.com/filecoin-project/go-address"
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2020-08-26 20:39:44 +00:00
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"github.com/ipfs/go-cid"
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2020-09-01 14:35:19 +00:00
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ds "github.com/ipfs/go-datastore"
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2020-08-15 22:57:27 +00:00
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)
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var (
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2020-09-30 10:02:10 +00:00
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// DefaultCirculatingSupply is the fallback circulating supply returned by
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// the driver's CircSupplyCalculator function, used if the vector specifies
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// no circulating supply.
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DefaultCirculatingSupply = types.TotalFilecoinInt
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// DefaultBaseFee to use in the VM, if one is not supplied in the vector.
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DefaultBaseFee = abi.NewTokenAmount(100)
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2020-08-15 22:57:27 +00:00
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)
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type Driver struct {
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2020-09-01 14:35:19 +00:00
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ctx context.Context
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selector schema.Selector
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2020-09-27 20:06:07 +00:00
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vmFlush bool
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2020-09-01 14:35:19 +00:00
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}
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2020-09-27 19:55:09 +00:00
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type DriverOpts struct {
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// DisableVMFlush, when true, avoids calling VM.Flush(), forces a blockstore
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// recursive copy, from the temporary buffer blockstore, to the real
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// system's blockstore. Disabling VM flushing is useful when extracting test
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// vectors and trimming state, as we don't want to force an accidental
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// deep copy of the state tree.
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//
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// Disabling VM flushing almost always should go hand-in-hand with
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// LOTUS_DISABLE_VM_BUF=iknowitsabadidea. That way, state tree writes are
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// immediately committed to the blockstore.
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DisableVMFlush bool
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}
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func NewDriver(ctx context.Context, selector schema.Selector, opts DriverOpts) *Driver {
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return &Driver{ctx: ctx, selector: selector, vmFlush: !opts.DisableVMFlush}
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2020-09-01 14:35:19 +00:00
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}
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type ExecuteTipsetResult struct {
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ReceiptsRoot cid.Cid
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PostStateRoot cid.Cid
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// AppliedMessages stores the messages that were applied, in the order they
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// were applied. It includes implicit messages (cron, rewards).
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AppliedMessages []*types.Message
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// AppliedResults stores the results of AppliedMessages, in the same order.
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AppliedResults []*vm.ApplyRet
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2020-08-15 22:57:27 +00:00
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}
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2020-12-15 16:55:57 +00:00
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type ExecuteTipsetParams struct {
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Preroot cid.Cid
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// ParentEpoch is the last epoch in which an actual tipset was processed. This
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// is used by Lotus for null block counting and cron firing.
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ParentEpoch abi.ChainEpoch
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Tipset *schema.Tipset
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ExecEpoch abi.ChainEpoch
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// Rand is an optional vm.Rand implementation to use. If nil, the driver
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// will use a vm.Rand that returns a fixed value for all calls.
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Rand vm.Rand
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// BaseFee if not nil or zero, will override the basefee of the tipset.
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BaseFee abi.TokenAmount
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}
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2020-09-01 14:35:19 +00:00
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// ExecuteTipset executes the supplied tipset on top of the state represented
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// by the preroot CID.
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//
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// This method returns the the receipts root, the poststate root, and the VM
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// message results. The latter _include_ implicit messages, such as cron ticks
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// and reward withdrawal per miner.
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2020-12-15 16:55:57 +00:00
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func (d *Driver) ExecuteTipset(bs blockstore.Blockstore, ds ds.Batching, params ExecuteTipsetParams) (*ExecuteTipsetResult, error) {
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2020-09-01 14:35:19 +00:00
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var (
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2020-12-15 16:55:57 +00:00
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tipset = params.Tipset
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2020-10-08 13:55:03 +00:00
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syscalls = vm.Syscalls(ffiwrapper.ProofVerifier)
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2020-09-01 14:35:19 +00:00
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2020-11-16 22:22:08 +00:00
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cs = store.NewChainStore(bs, bs, ds, syscalls, nil)
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2020-09-01 14:35:19 +00:00
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sm = stmgr.NewStateManager(cs)
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)
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2020-12-15 16:55:57 +00:00
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if params.Rand == nil {
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params.Rand = NewFixedRand()
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}
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if params.BaseFee.NilOrZero() {
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params.BaseFee = abi.NewTokenAmount(tipset.BaseFee.Int64())
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}
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2020-11-16 22:22:08 +00:00
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defer cs.Close() //nolint:errcheck
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2020-09-01 14:35:19 +00:00
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blocks := make([]store.BlockMessages, 0, len(tipset.Blocks))
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for _, b := range tipset.Blocks {
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sb := store.BlockMessages{
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Miner: b.MinerAddr,
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WinCount: b.WinCount,
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}
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for _, m := range b.Messages {
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msg, err := types.DecodeMessage(m)
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if err != nil {
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return nil, err
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}
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switch msg.From.Protocol() {
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case address.SECP256K1:
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2020-09-03 21:54:19 +00:00
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sb.SecpkMessages = append(sb.SecpkMessages, toChainMsg(msg))
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2020-09-01 14:35:19 +00:00
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case address.BLS:
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2020-09-03 21:54:19 +00:00
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sb.BlsMessages = append(sb.BlsMessages, toChainMsg(msg))
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2020-09-01 14:35:19 +00:00
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default:
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2020-09-03 21:54:19 +00:00
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// sneak in messages originating from other addresses as both kinds.
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// these should fail, as they are actually invalid senders.
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sb.SecpkMessages = append(sb.SecpkMessages, msg)
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sb.BlsMessages = append(sb.BlsMessages, msg)
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2020-09-01 14:35:19 +00:00
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}
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}
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blocks = append(blocks, sb)
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}
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var (
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messages []*types.Message
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results []*vm.ApplyRet
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)
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2020-12-15 16:55:57 +00:00
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recordOutputs := func(_ cid.Cid, msg *types.Message, ret *vm.ApplyRet) error {
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2020-09-01 14:35:19 +00:00
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messages = append(messages, msg)
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results = append(results, ret)
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return nil
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2020-12-15 16:55:57 +00:00
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}
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postcid, receiptsroot, err := sm.ApplyBlocks(context.Background(),
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params.ParentEpoch,
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params.Preroot,
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blocks,
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params.ExecEpoch,
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params.Rand,
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recordOutputs,
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params.BaseFee,
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nil,
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)
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2020-09-01 14:35:19 +00:00
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if err != nil {
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return nil, err
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}
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ret := &ExecuteTipsetResult{
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ReceiptsRoot: receiptsroot,
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PostStateRoot: postcid,
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AppliedMessages: messages,
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AppliedResults: results,
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}
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return ret, nil
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2020-08-15 22:57:27 +00:00
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}
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2020-09-30 10:02:10 +00:00
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type ExecuteMessageParams struct {
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Preroot cid.Cid
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Epoch abi.ChainEpoch
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Message *types.Message
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2020-10-07 11:45:11 +00:00
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CircSupply abi.TokenAmount
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BaseFee abi.TokenAmount
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// Rand is an optional vm.Rand implementation to use. If nil, the driver
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// will use a vm.Rand that returns a fixed value for all calls.
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Rand vm.Rand
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2020-09-30 10:02:10 +00:00
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}
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2020-08-15 22:57:27 +00:00
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// ExecuteMessage executes a conformance test vector message in a temporary VM.
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2020-09-30 10:02:10 +00:00
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func (d *Driver) ExecuteMessage(bs blockstore.Blockstore, params ExecuteMessageParams) (*vm.ApplyRet, cid.Cid, error) {
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if !d.vmFlush {
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// do not flush the VM, just the state tree; this should be used with
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// LOTUS_DISABLE_VM_BUF enabled, so writes will anyway be visible.
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_ = os.Setenv("LOTUS_DISABLE_VM_BUF", "iknowitsabadidea")
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}
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2020-10-07 11:45:11 +00:00
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if params.Rand == nil {
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params.Rand = NewFixedRand()
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2020-09-30 10:02:10 +00:00
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}
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2020-09-28 22:04:52 +00:00
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// dummy state manager; only to reference the GetNetworkVersion method,
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// which does not depend on state.
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2020-10-06 00:02:11 +00:00
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sm := stmgr.NewStateManager(nil)
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2020-09-30 10:02:10 +00:00
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2020-08-15 22:57:27 +00:00
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vmOpts := &vm.VMOpts{
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2020-09-30 10:02:10 +00:00
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StateBase: params.Preroot,
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Epoch: params.Epoch,
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2020-09-28 22:04:52 +00:00
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Bstore: bs,
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2020-10-08 13:55:03 +00:00
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Syscalls: vm.Syscalls(ffiwrapper.ProofVerifier),
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2020-09-28 22:04:52 +00:00
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CircSupplyCalc: func(_ context.Context, _ abi.ChainEpoch, _ *state.StateTree) (abi.TokenAmount, error) {
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2020-10-07 11:45:11 +00:00
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return params.CircSupply, nil
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2020-09-28 22:04:52 +00:00
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},
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2020-10-07 11:45:11 +00:00
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Rand: params.Rand,
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BaseFee: params.BaseFee,
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2020-09-28 22:04:52 +00:00
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NtwkVersion: sm.GetNtwkVersion,
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2020-08-15 22:57:27 +00:00
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}
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2020-09-17 15:30:15 +00:00
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lvm, err := vm.NewVM(context.TODO(), vmOpts)
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2020-08-15 22:57:27 +00:00
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if err != nil {
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return nil, cid.Undef, err
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}
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2020-09-25 00:51:34 +00:00
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invoker := vm.NewActorRegistry()
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2020-08-21 10:51:50 +00:00
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2020-09-02 14:57:19 +00:00
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// register the chaos actor if required by the vector.
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2020-09-01 14:35:19 +00:00
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if chaosOn, ok := d.selector["chaos_actor"]; ok && chaosOn == "true" {
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2020-09-28 19:48:08 +00:00
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invoker.Register(nil, chaos.Actor{})
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2020-08-19 17:10:56 +00:00
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}
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2020-08-15 22:57:27 +00:00
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lvm.SetInvoker(invoker)
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2020-09-30 10:02:10 +00:00
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ret, err := lvm.ApplyMessage(d.ctx, toChainMsg(params.Message))
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2020-08-15 22:57:27 +00:00
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if err != nil {
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return nil, cid.Undef, err
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}
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2020-09-27 19:55:09 +00:00
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var root cid.Cid
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if d.vmFlush {
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// flush the VM, committing the state tree changes and forcing a
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// recursive copoy from the temporary blcokstore to the real blockstore.
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root, err = lvm.Flush(d.ctx)
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} else {
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root, err = lvm.StateTree().(*state.StateTree).Flush(d.ctx)
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}
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2020-08-15 22:57:27 +00:00
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return ret, root, err
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}
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2020-09-03 21:54:19 +00:00
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// toChainMsg injects a synthetic 0-filled signature of the right length to
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// messages that originate from secp256k senders, leaving all
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// others untouched.
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// TODO: generate a signature in the DSL so that it's encoded in
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// the test vector.
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func toChainMsg(msg *types.Message) (ret types.ChainMsg) {
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ret = msg
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if msg.From.Protocol() == address.SECP256K1 {
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ret = &types.SignedMessage{
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Message: *msg,
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Signature: crypto.Signature{
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Type: crypto.SigTypeSecp256k1,
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Data: make([]byte, 65),
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},
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}
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}
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return ret
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}
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2020-10-07 11:45:11 +00:00
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// BaseFeeOrDefault converts a basefee as passed in a test vector (go *big.Int
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// type) to an abi.TokenAmount, or if nil it returns the DefaultBaseFee.
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func BaseFeeOrDefault(basefee *gobig.Int) abi.TokenAmount {
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if basefee == nil {
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return DefaultBaseFee
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}
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return big.NewFromGo(basefee)
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}
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// CircSupplyOrDefault converts a circulating supply as passed in a test vector
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// (go *big.Int type) to an abi.TokenAmount, or if nil it returns the
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// DefaultCirculatingSupply.
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func CircSupplyOrDefault(circSupply *gobig.Int) abi.TokenAmount {
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if circSupply == nil {
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2020-10-17 01:14:36 +00:00
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return DefaultCirculatingSupply
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2020-10-07 11:45:11 +00:00
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}
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return big.NewFromGo(circSupply)
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}
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