FVM: Support exectraces

chain/vm/cbor_gen.go

@@ -0,0 +1,169 @@
+// Code generated by github.com/whyrusleeping/cbor-gen. DO NOT EDIT.
+
+package vm
+
+import (
+	"fmt"
+	"io"
+	"math"
+	"sort"
+
+	types "github.com/filecoin-project/lotus/chain/types"
+	cid "github.com/ipfs/go-cid"
+	cbg "github.com/whyrusleeping/cbor-gen"
+	xerrors "golang.org/x/xerrors"
+)
+
+var _ = xerrors.Errorf
+var _ = cid.Undef
+var _ = math.E
+var _ = sort.Sort
+
+var lengthBufFvmExecutionTrace = []byte{132}
+
+func (t *FvmExecutionTrace) MarshalCBOR(w io.Writer) error {
+	if t == nil {
+		_, err := w.Write(cbg.CborNull)
+		return err
+	}
+	if _, err := w.Write(lengthBufFvmExecutionTrace); err != nil {
+		return err
+	}
+
+	scratch := make([]byte, 9)
+
+	// t.Msg (types.Message) (struct)
+	if err := t.Msg.MarshalCBOR(w); err != nil {
+		return err
+	}
+
+	// t.MsgRct (types.MessageReceipt) (struct)
+	if err := t.MsgRct.MarshalCBOR(w); err != nil {
+		return err
+	}
+
+	// t.Error (string) (string)
+	if len(t.Error) > cbg.MaxLength {
+		return xerrors.Errorf("Value in field t.Error was too long")
+	}
+
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajTextString, uint64(len(t.Error))); err != nil {
+		return err
+	}
+	if _, err := io.WriteString(w, string(t.Error)); err != nil {
+		return err
+	}
+
+	// t.Subcalls ([]vm.FvmExecutionTrace) (slice)
+	if len(t.Subcalls) > cbg.MaxLength {
+		return xerrors.Errorf("Slice value in field t.Subcalls was too long")
+	}
+
+	if err := cbg.WriteMajorTypeHeaderBuf(scratch, w, cbg.MajArray, uint64(len(t.Subcalls))); err != nil {
+		return err
+	}
+	for _, v := range t.Subcalls {
+		if err := v.MarshalCBOR(w); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (t *FvmExecutionTrace) UnmarshalCBOR(r io.Reader) error {
+	*t = FvmExecutionTrace{}
+
+	br := cbg.GetPeeker(r)
+	scratch := make([]byte, 8)
+
+	maj, extra, err := cbg.CborReadHeaderBuf(br, scratch)
+	if err != nil {
+		return err
+	}
+	if maj != cbg.MajArray {
+		return fmt.Errorf("cbor input should be of type array")
+	}
+
+	if extra != 4 {
+		return fmt.Errorf("cbor input had wrong number of fields")
+	}
+
+	// t.Msg (types.Message) (struct)
+
+	{
+
+		b, err := br.ReadByte()
+		if err != nil {
+			return err
+		}
+		if b != cbg.CborNull[0] {
+			if err := br.UnreadByte(); err != nil {
+				return err
+			}
+			t.Msg = new(types.Message)
+			if err := t.Msg.UnmarshalCBOR(br); err != nil {
+				return xerrors.Errorf("unmarshaling t.Msg pointer: %w", err)
+			}
+		}
+
+	}
+	// t.MsgRct (types.MessageReceipt) (struct)
+
+	{
+
+		b, err := br.ReadByte()
+		if err != nil {
+			return err
+		}
+		if b != cbg.CborNull[0] {
+			if err := br.UnreadByte(); err != nil {
+				return err
+			}
+			t.MsgRct = new(types.MessageReceipt)
+			if err := t.MsgRct.UnmarshalCBOR(br); err != nil {
+				return xerrors.Errorf("unmarshaling t.MsgRct pointer: %w", err)
+			}
+		}
+
+	}
+	// t.Error (string) (string)
+
+	{
+		sval, err := cbg.ReadStringBuf(br, scratch)
+		if err != nil {
+			return err
+		}
+
+		t.Error = string(sval)
+	}
+	// t.Subcalls ([]vm.FvmExecutionTrace) (slice)
+
+	maj, extra, err = cbg.CborReadHeaderBuf(br, scratch)
+	if err != nil {
+		return err
+	}
+
+	if extra > cbg.MaxLength {
+		return fmt.Errorf("t.Subcalls: array too large (%d)", extra)
+	}
+
+	if maj != cbg.MajArray {
+		return fmt.Errorf("expected cbor array")
+	}
+
+	if extra > 0 {
+		t.Subcalls = make([]FvmExecutionTrace, extra)
+	}
+
+	for i := 0; i < int(extra); i++ {
+
+		var v FvmExecutionTrace
+		if err := v.UnmarshalCBOR(br); err != nil {
+			return err
+		}
+
+		t.Subcalls[i] = v
+	}
+
+	return nil
+}

chain/vm/fvm.go

@@ -46,7 +46,37 @@ type FvmExtern struct {
 	base    cid.Cid
 }
 
-// VerifyConsensusFault is similar to the one in syscalls.go used by the LegacyVM, except it never errors
+// This may eventually become identical to ExecutionTrace, but we can make incremental progress towards that
+type FvmExecutionTrace struct {
+	Msg    *types.Message
+	MsgRct *types.MessageReceipt
+	Error  string
+
+	Subcalls []FvmExecutionTrace
+}
+
+func (t *FvmExecutionTrace) ToExecutionTrace() types.ExecutionTrace {
+	if t == nil {
+		return types.ExecutionTrace{}
+	}
+
+	ret := types.ExecutionTrace{
+		Msg:        t.Msg,
+		MsgRct:     t.MsgRct,
+		Error:      t.Error,
+		Duration:   0,
+		GasCharges: nil,
+		Subcalls:   make([]types.ExecutionTrace, len(t.Subcalls)),
+	}
+
+	for i, v := range t.Subcalls {
+		ret.Subcalls[i] = v.ToExecutionTrace()
+	}
+
+	return ret
+}
+
+// VerifyConsensusFault is similar to the one in syscalls.go used by the Lotus VM, except it never errors
 // Errors are logged and "no fault" is returned, which is functionally what go-actors does anyway
 func (x *FvmExtern) VerifyConsensusFault(ctx context.Context, a, b, extra []byte) (*ffi_cgo.ConsensusFault, int64) {
 	totalGas := int64(0)
@@ -249,6 +279,7 @@ func NewFVM(ctx context.Context, opts *VMOpts) (*FVM, error) {
 		BaseCircSupply: circToReport,
 		NetworkVersion: opts.NetworkVersion,
 		StateBase:      opts.StateBase,
+		Tracing:        EnableDetailedTracing,
 	}
 
 	fvm, err := ffi.CreateFVM(&fvmOpts)
@@ -273,6 +304,13 @@ func (vm *FVM) ApplyMessage(ctx context.Context, cmsg types.ChainMsg) (*ApplyRet
 		return nil, xerrors.Errorf("applying msg: %w", err)
 	}
 
+	var et FvmExecutionTrace
+	if len(ret.ExecTraceBytes) != 0 {
+		if err = et.UnmarshalCBOR(bytes.NewReader(ret.ExecTraceBytes)); err != nil {
+			return nil, xerrors.Errorf("failed to unmarshal exectrace: %w", err)
+		}
+	}
+
 	return &ApplyRet{
 		MessageReceipt: types.MessageReceipt{
 			Return:   ret.Return,
@@ -289,10 +327,8 @@ func (vm *FVM) ApplyMessage(ctx context.Context, cmsg types.ChainMsg) (*ApplyRet
 			GasRefund:          0,
 			GasBurned:          0,
 		},
-		// TODO: do these eventually, not consensus critical
-		// https://github.com/filecoin-project/ref-fvm/issues/318
 		ActorErr:       nil,
-		ExecutionTrace: types.ExecutionTrace{},
+		ExecutionTrace: et.ToExecutionTrace(),
 		Duration:       time.Since(start),
 	}, nil
 }
@@ -308,17 +344,21 @@ func (vm *FVM) ApplyImplicitMessage(ctx context.Context, cmsg *types.Message) (*
 		return nil, xerrors.Errorf("applying msg: %w", err)
 	}
 
+	var et FvmExecutionTrace
+	if len(ret.ExecTraceBytes) != 0 {
+		if err = et.UnmarshalCBOR(bytes.NewReader(ret.ExecTraceBytes)); err != nil {
+			return nil, xerrors.Errorf("failed to unmarshal exectrace: %w", err)
+		}
+	}
+
 	return &ApplyRet{
 		MessageReceipt: types.MessageReceipt{
 			Return:   ret.Return,
 			ExitCode: exitcode.ExitCode(ret.ExitCode),
 			GasUsed:  ret.GasUsed,
 		},
-		GasCosts: nil,
-		// TODO: do these eventually, not consensus critical
-		// https://github.com/filecoin-project/ref-fvm/issues/318
 		ActorErr:       nil,
-		ExecutionTrace: types.ExecutionTrace{},
+		ExecutionTrace: et.ToExecutionTrace(),
 		Duration:       time.Since(start),
 	}, nil
 }

chain/vm/runtime.go

@@ -56,8 +56,8 @@ func (m *Message) ValueReceived() abi.TokenAmount {
 	return m.msg.Value
 }
 
-// EnableGasTracing, if true, outputs gas tracing in execution traces.
+// EnableDetailedTracing, if true, outputs gas tracing in execution traces.
-var EnableGasTracing = os.Getenv("LOTUS_VM_ENABLE_GAS_TRACING_VERY_SLOW") == "1"
+var EnableDetailedTracing = os.Getenv("LOTUS_VM_ENABLE_GAS_TRACING_VERY_SLOW") == "1"
 
 type Runtime struct {
 	rt7.Message
@@ -516,7 +516,7 @@ func (rt *Runtime) stateCommit(oldh, newh cid.Cid) aerrors.ActorError {
 }
 
 func (rt *Runtime) finilizeGasTracing() {
-	if EnableGasTracing {
+	if EnableDetailedTracing {
 		if rt.lastGasCharge != nil {
 			rt.lastGasCharge.TimeTaken = time.Since(rt.lastGasChargeTime)
 		}
@@ -550,7 +550,7 @@ func (rt *Runtime) chargeGasFunc(skip int) func(GasCharge) {
 
 func (rt *Runtime) chargeGasInternal(gas GasCharge, skip int) aerrors.ActorError {
 	toUse := gas.Total()
-	if EnableGasTracing {
+	if EnableDetailedTracing {
 		var callers [10]uintptr
 
 		cout := gruntime.Callers(2+skip, callers[:])

chain/vm/runtime_test.go

@@ -56,14 +56,14 @@ func BenchmarkRuntime_CreateRuntimeChargeGas_TracingDisabled(b *testing.B) {
 
 	b.ResetTimer()
 
-	EnableGasTracing = false
+	EnableDetailedTracing = false
-	noop := func() bool { return EnableGasTracing }
+	noop := func() bool { return EnableDetailedTracing }
 	for n := 0; n < b.N; n++ {
 		// flip the value and access it to make sure
 		// the compiler doesn't optimize away
-		EnableGasTracing = true
+		EnableDetailedTracing = true
 		_ = noop()
-		EnableGasTracing = false
+		EnableDetailedTracing = false
 		_ = (&Runtime{cst: cst}).chargeGasInternal(gch, 0)
 	}
 }

chain/vm/vm.go

@@ -283,7 +283,7 @@ func (vm *LegacyVM) send(ctx context.Context, msg *types.Message, parent *Runtim
 	st := vm.cstate
 
 	rt := vm.makeRuntime(ctx, msg, parent)
-	if EnableGasTracing {
+	if EnableDetailedTracing {
 		rt.lastGasChargeTime = start
 		if parent != nil {
 			rt.lastGasChargeTime = parent.lastGasChargeTime

documentation/misc/gas_balancing.md

@@ -15,7 +15,7 @@ may be subject to change.
 Complete gas balancing is performed using `lotus-bench` the process is based on importing a chain export
 and collecting gas traces which are later aggregated.
 
-Before building `lotus-bench` make sure `EnableGasTracing` in `chain/vm/runtime.go` is set to `true`.
+Before building `lotus-bench` make sure `EnableDetailedTracing` in `chain/vm/runtime.go` is set to `true`.
 
 The process can be started using `./lotus-bench import` with `--car` flag set to the location of
 CAR chain export. `--start-epoch` and `--end-epoch` can be used to to limit the range of epochs to run

extern/filecoin-ffi

@@ -1 +1 @@
-Subproject commit 38f10cf6fa078b989fc774081cd65ba5c53636d8
+Subproject commit 4cb8411aa6c15bc8f38fef9dcd9ae5d83837eb87

gen/main.go

@@ -4,6 +4,8 @@ import (
 	"fmt"
 	"os"
 
+	"github.com/filecoin-project/lotus/chain/vm"
+
 	gen "github.com/whyrusleeping/cbor-gen"
 
 	"github.com/filecoin-project/lotus/api"
@@ -38,6 +40,14 @@ func main() {
 		os.Exit(1)
 	}
 
+	err = gen.WriteTupleEncodersToFile("./chain/vm/cbor_gen.go", "vm",
+		vm.FvmExecutionTrace{},
+	)
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
 	err = gen.WriteMapEncodersToFile("./paychmgr/cbor_gen.go", "paychmgr",
 		paychmgr.VoucherInfo{},
 		paychmgr.ChannelInfo{},

testplans/lotus-soup/go.mod

@@ -28,7 +28,7 @@ require (
 	github.com/ipfs/go-unixfs v0.3.1
 	github.com/ipld/go-car v0.3.3
 	github.com/kpacha/opencensus-influxdb v0.0.0-20181102202715-663e2683a27c
-	github.com/libp2p/go-libp2p v0.18.0
+	github.com/libp2p/go-libp2p v0.18.1
 	github.com/libp2p/go-libp2p-core v0.14.0
 	github.com/libp2p/go-libp2p-pubsub-tracer v0.0.0-20200626141350-e730b32bf1e6
 	github.com/multiformats/go-multiaddr v0.5.0

testplans/lotus-soup/go.sum

@@ -1312,8 +1312,8 @@ github.com/libp2p/go-libp2p v0.16.0/go.mod h1:ump42BsirwAWxKzsCiFnTtN1Yc+DuPu76f
 github.com/libp2p/go-libp2p v0.17.0/go.mod h1:Fkin50rsGdv5mm5BshBUtPRZknt9esfmYXBOYcwOTgw=
 github.com/libp2p/go-libp2p v0.18.0-rc1/go.mod h1:RgYlH7IIWHXREimC92bw5Lg1V2R5XmSzuLHb5fTnr+8=
 github.com/libp2p/go-libp2p v0.18.0-rc3/go.mod h1:WYL+Xw1iuwi6rdfzw5VIEpD+HqzYucHZ6fcUuumbI3M=
-github.com/libp2p/go-libp2p v0.18.0 h1:moKKKG875KNGsCjZxTIFB75ihHiVjFeWg5I4aR1pDLk=
+github.com/libp2p/go-libp2p v0.18.1 h1:IK9EOGNO2ZghU4F+dx9c4xfhMNZr45x06CijJaZE/ms=
-github.com/libp2p/go-libp2p v0.18.0/go.mod h1:+veaZ9z1SZQhmc5PW78jvnnxZ89Mgvmh4cggO11ETmw=
+github.com/libp2p/go-libp2p v0.18.1/go.mod h1:ll44MqmrIFKpL3BwCexxzm+7RZ8exEtN96V1rRdMG7Y=
 github.com/libp2p/go-libp2p-asn-util v0.0.0-20200825225859-85005c6cf052/go.mod h1:nRMRTab+kZuk0LnKZpxhOVH/ndsdr2Nr//Zltc/vwgo=
 github.com/libp2p/go-libp2p-asn-util v0.1.0 h1:rABPCO77SjdbJ/eJ/ynIo8vWICy1VEnL5JAxJbQLo1E=
 github.com/libp2p/go-libp2p-asn-util v0.1.0/go.mod h1:wu+AnM9Ii2KgO5jMmS1rz9dvzTdj8BXqsPR9HR0XB7I=
@@ -1496,8 +1496,8 @@ github.com/libp2p/go-libp2p-record v0.1.3 h1:R27hoScIhQf/A8XJZ8lYpnqh9LatJ5YbHs2
 github.com/libp2p/go-libp2p-record v0.1.3/go.mod h1:yNUff/adKIfPnYQXgp6FQmNu3gLJ6EMg7+/vv2+9pY4=
 github.com/libp2p/go-libp2p-resource-manager v0.1.0/go.mod h1:wJPNjeE4XQlxeidwqVY5G6DLOKqFK33u2n8blpl0I6Y=
 github.com/libp2p/go-libp2p-resource-manager v0.1.3/go.mod h1:wJPNjeE4XQlxeidwqVY5G6DLOKqFK33u2n8blpl0I6Y=
-github.com/libp2p/go-libp2p-resource-manager v0.1.5 h1:7J6t9KLFS0MxXDTfqA6rwfVCZl/yLQnXW5LpZjHAANI=
+github.com/libp2p/go-libp2p-resource-manager v0.2.0 h1:Ul/k5d5StIpAtq7IapAEGh/2+0rwsJGXYJ6Kbzeedtc=
-github.com/libp2p/go-libp2p-resource-manager v0.1.5/go.mod h1:wJPNjeE4XQlxeidwqVY5G6DLOKqFK33u2n8blpl0I6Y=
+github.com/libp2p/go-libp2p-resource-manager v0.2.0/go.mod h1:K+eCkiapf+ey/LADO4TaMpMTP9/Qde/uLlrnRqV4PLQ=
 github.com/libp2p/go-libp2p-routing v0.0.1/go.mod h1:N51q3yTr4Zdr7V8Jt2JIktVU+3xBBylx1MZeVA6t1Ys=
 github.com/libp2p/go-libp2p-routing v0.1.0/go.mod h1:zfLhI1RI8RLEzmEaaPwzonRvXeeSHddONWkcTcB54nE=
 github.com/libp2p/go-libp2p-routing-helpers v0.2.3 h1:xY61alxJ6PurSi+MXbywZpelvuU4U4p/gPTxjqCqTzY=
@@ -1539,8 +1539,9 @@ github.com/libp2p/go-libp2p-testing v0.4.2/go.mod h1:Q+PFXYoiYFN5CAEG2w3gLPEzotl
 github.com/libp2p/go-libp2p-testing v0.5.0/go.mod h1:QBk8fqIL1XNcno/l3/hhaIEn4aLRijpYOR+zVjjlh+A=
 github.com/libp2p/go-libp2p-testing v0.6.0/go.mod h1:QBk8fqIL1XNcno/l3/hhaIEn4aLRijpYOR+zVjjlh+A=
 github.com/libp2p/go-libp2p-testing v0.7.0/go.mod h1:OLbdn9DbgdMwv00v+tlp1l3oe2Cl+FAjoWIA2pa0X6E=
-github.com/libp2p/go-libp2p-testing v0.8.0 h1:/te8SOIyj5sGH5Jr1Uoo+qYB00aK8O4+yHGzLgfE3kc=
 github.com/libp2p/go-libp2p-testing v0.8.0/go.mod h1:gRdsNxQSxAZowTgcLY7CC33xPmleZzoBpqSYbWenqPc=
+github.com/libp2p/go-libp2p-testing v0.9.2 h1:dCpODRtRaDZKF8HXT9qqqgON+OMEB423Knrgeod8j84=
+github.com/libp2p/go-libp2p-testing v0.9.2/go.mod h1:Td7kbdkWqYTJYQGTwzlgXwaqldraIanyjuRiAbK/XQU=
 github.com/libp2p/go-libp2p-tls v0.1.3/go.mod h1:wZfuewxOndz5RTnCAxFliGjvYSDA40sKitV4c50uI1M=
 github.com/libp2p/go-libp2p-tls v0.3.0/go.mod h1:fwF5X6PWGxm6IDRwF3V8AVCCj/hOd5oFlg+wo2FxJDY=
 github.com/libp2p/go-libp2p-tls v0.3.1 h1:lsE2zYte+rZCEOHF72J1Fg3XK3dGQyKvI6i5ehJfEp0=
@@ -1578,8 +1579,8 @@ github.com/libp2p/go-libp2p-yamux v0.6.0/go.mod h1:MRhd6mAYnFRnSISp4M8i0ClV/j+mW
 github.com/libp2p/go-libp2p-yamux v0.7.0/go.mod h1:fMyA0CsPfHkIuBU0wjRGrCjTBFiXTXxG0k5M4ETv+08=
 github.com/libp2p/go-libp2p-yamux v0.8.0/go.mod h1:yTkPgN2ib8FHyU1ZcVD7aelzyAqXXwEPbyx+aSKm9h8=
 github.com/libp2p/go-libp2p-yamux v0.8.1/go.mod h1:rUozF8Jah2dL9LLGyBaBeTQeARdwhefMCTQVQt6QobE=
-github.com/libp2p/go-libp2p-yamux v0.8.2 h1:6GKWntresp0TFxMP/oSoH96nV8XKJRdynXsdp43dn0Y=
+github.com/libp2p/go-libp2p-yamux v0.9.0 h1:j+gnKykADCI/3cZlacOYBjQXDsncxgcwzJ1zw6Z6pts=
-github.com/libp2p/go-libp2p-yamux v0.8.2/go.mod h1:rUozF8Jah2dL9LLGyBaBeTQeARdwhefMCTQVQt6QobE=
+github.com/libp2p/go-libp2p-yamux v0.9.0/go.mod h1:tpJKkRH9LlHj0VQh9Y9RP1pmF7yCS9ixxY/oSv+hhhQ=
 github.com/libp2p/go-maddr-filter v0.0.1/go.mod h1:6eT12kSQMA9x2pvFQa+xesMKUBlj9VImZbj3B9FBH/Q=
 github.com/libp2p/go-maddr-filter v0.0.4/go.mod h1:6eT12kSQMA9x2pvFQa+xesMKUBlj9VImZbj3B9FBH/Q=
 github.com/libp2p/go-maddr-filter v0.0.5/go.mod h1:Jk+36PMfIqCJhAnaASRH83bdAvfDRp/w6ENFaC9bG+M=
@@ -1678,8 +1679,9 @@ github.com/libp2p/go-yamux/v2 v2.1.1/go.mod h1:3So6P6TV6r75R9jiBpiIKgU/66lOarCZj
 github.com/libp2p/go-yamux/v2 v2.2.0/go.mod h1:3So6P6TV6r75R9jiBpiIKgU/66lOarCZjqROGxzPpPQ=
 github.com/libp2p/go-yamux/v2 v2.3.0/go.mod h1:iTU+lOIn/2h0AgKcL49clNTwfEw+WSfDYrXe05EyKIs=
 github.com/libp2p/go-yamux/v3 v3.0.1/go.mod h1:s2LsDhHbh+RfCsQoICSYt58U2f8ijtPANFD8BmE74Bo=
-github.com/libp2p/go-yamux/v3 v3.0.2 h1:LW0q5+A1Wy0npEsPJP9wmare2NH4ohNluN5EWVwv2mE=
 github.com/libp2p/go-yamux/v3 v3.0.2/go.mod h1:s2LsDhHbh+RfCsQoICSYt58U2f8ijtPANFD8BmE74Bo=
+github.com/libp2p/go-yamux/v3 v3.1.0 h1:2johPiST4xsXsqQ/38C2MAERw0hJ+t8oehHWA8F2R3Q=
+github.com/libp2p/go-yamux/v3 v3.1.0/go.mod h1:jeLEQgLXqE2YqX1ilAClIfCMDY+0uXQUKmmb/qp0gT4=
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 github.com/lightstep/lightstep-tracer-go v0.18.1/go.mod h1:jlF1pusYV4pidLvZ+XD0UBX0ZE6WURAspgAczcDHrL4=
@@ -2318,7 +2320,7 @@ github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9de
 github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
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 github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
-github.com/yuin/goldmark v1.4.0/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
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 github.com/zondax/hid v0.9.0 h1:eiT3P6vNxAEVxXMw66eZUAAnU2zD33JBkfG/EnfAKl8=
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@@ -2521,8 +2523,9 @@ golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzB
 golang.org/x/mod v0.1.1-0.20191209134235-331c550502dd/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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-golang.org/x/mod v0.4.2 h1:Gz96sIWK3OalVv/I/qNygP42zyoKp3xptRVCWRFEBvo=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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 golang.org/x/net v0.0.0-20170114055629-f2499483f923/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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@@ -2592,9 +2595,9 @@ golang.org/x/net v0.0.0-20210428140749-89ef3d95e781/go.mod h1:OJAsFXCWl8Ukc7SiCT
 golang.org/x/net v0.0.0-20210505024714-0287a6fb4125/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
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 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2 h1:CIJ76btIcR3eFI5EgSo6k1qKw9KJexJuRLI9G7Hp5wE=
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@@ -2734,11 +2737,11 @@ golang.org/x/sys v0.0.0-20210514084401-e8d321eab015/go.mod h1:oPkhp1MJrh7nUepCBc
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@@ -2844,8 +2847,8 @@ golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
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-golang.org/x/tools v0.1.7 h1:6j8CgantCy3yc8JGBqkDLMKWqZ0RDU2g1HVgacojGWQ=
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