Eth TX Encoding (#9531)
This commit is contained in:
parent
57a515f7a8
commit
aa0e6c17b9
@ -6,10 +6,12 @@ import (
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"fmt"
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mathbig "math/big"
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cbg "github.com/whyrusleeping/cbor-gen"
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"golang.org/x/crypto/sha3"
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"github.com/filecoin-project/go-address"
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gocrypto "github.com/filecoin-project/go-crypto"
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"github.com/filecoin-project/go-state-types/abi"
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"github.com/filecoin-project/go-state-types/big"
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builtintypes "github.com/filecoin-project/go-state-types/builtin"
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"github.com/filecoin-project/go-state-types/builtin/v8/eam"
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@ -57,23 +59,38 @@ type EthTxArgs struct {
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func NewEthTxArgsFromMessage(msg *types.Message) (EthTxArgs, error) {
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var to *EthAddress
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params := msg.Params
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var decodedParams []byte
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var isCreate bool
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paramsReader := bytes.NewReader(msg.Params)
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if msg.To == builtintypes.EthereumAddressManagerActorAddr {
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to = nil
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var create2 eam.Create2Params
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reader := bytes.NewReader(msg.Params)
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if err := create2.UnmarshalCBOR(reader); err != nil {
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return EthTxArgs{}, err
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switch msg.Method {
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case builtintypes.MethodsEAM.Create:
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var create eam.CreateParams
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if err := create.UnmarshalCBOR(paramsReader); err != nil {
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return EthTxArgs{}, err
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}
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decodedParams = create.Initcode
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isCreate = true
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case builtintypes.MethodsEAM.Create2:
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var create2 eam.Create2Params
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if err := create2.UnmarshalCBOR(paramsReader); err != nil {
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return EthTxArgs{}, err
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}
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decodedParams = create2.Initcode
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isCreate = true
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}
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params = create2.Initcode
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} else {
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}
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if isCreate {
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addr, err := EthAddressFromFilecoinIDAddress(msg.To)
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if err != nil {
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return EthTxArgs{}, nil
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}
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to = &addr
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params, err := cbg.ReadByteArray(paramsReader, uint64(len(msg.Params)))
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if err != nil {
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return EthTxArgs{}, err
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}
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decodedParams = params
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}
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return EthTxArgs{
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@ -81,7 +98,7 @@ func NewEthTxArgsFromMessage(msg *types.Message) (EthTxArgs, error) {
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Nonce: int(msg.Nonce),
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To: to,
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Value: msg.Value,
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Input: params,
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Input: decodedParams,
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MaxFeePerGas: msg.GasFeeCap,
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MaxPriorityFeePerGas: msg.GasPremium,
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GasLimit: int(msg.GasLimit),
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@ -101,6 +118,7 @@ func (tx *EthTxArgs) ToSignedMessage() (*types.SignedMessage, error) {
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return nil, fmt.Errorf("to and input cannot both be empty")
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}
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var method abi.MethodNum
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if tx.To == nil {
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// TODO https://github.com/filecoin-project/ref-fvm/issues/992
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// TODO unify with applyEvmMsg
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@ -119,13 +137,19 @@ func (tx *EthTxArgs) ToSignedMessage() (*types.SignedMessage, error) {
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return nil, fmt.Errorf("failed to serialize Create2 params: %w", err)
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}
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params = params2
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method = builtintypes.MethodsEAM.Create2
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} else {
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addr, err := tx.To.ToFilecoinAddress()
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if err != nil {
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return nil, err
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}
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to = addr
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params = tx.Input
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var buf bytes.Buffer
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if err := cbg.WriteByteArray(&buf, tx.Input); err != nil {
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return nil, fmt.Errorf("failed to encode tx input into a cbor byte-string")
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}
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params = buf.Bytes()
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method = builtintypes.MethodsEVM.InvokeContract
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}
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msg := &types.Message{
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@ -133,7 +157,7 @@ func (tx *EthTxArgs) ToSignedMessage() (*types.SignedMessage, error) {
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From: from,
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To: to,
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Value: tx.Value,
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Method: 2,
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Method: method,
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Params: params,
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GasLimit: int64(tx.GasLimit),
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GasFeeCap: tx.MaxFeePerGas,
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@ -63,7 +63,7 @@ func TestTxArgs(t *testing.T) {
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func TestTransformParams(t *testing.T) {
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constructorParams, err := actors.SerializeParams(&evm.ConstructorParams{
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Bytecode: mustDecodeHex("0x1122334455"),
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Initcode: mustDecodeHex("0x1122334455"),
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})
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require.Nil(t, err)
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@ -86,7 +86,7 @@ func TestTransformParams(t *testing.T) {
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err1 = evmParams.UnmarshalCBOR(reader1)
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require.Nil(t, err1)
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require.Equal(t, mustDecodeHex("0x1122334455"), evmParams.Bytecode)
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require.Equal(t, mustDecodeHex("0x1122334455"), evmParams.Initcode)
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}
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func TestEcRecover(t *testing.T) {
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rHex := "0x479ff7fa64cf8bf641eb81635d1e8a698530d2f219951d234539e6d074819529"
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@ -17,6 +17,9 @@ import (
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"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/go-state-types/big"
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"github.com/filecoin-project/go-state-types/builtin"
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"github.com/filecoin-project/go-state-types/builtin/v8/eam"
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init8 "github.com/filecoin-project/go-state-types/builtin/v8/init"
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"github.com/filecoin-project/lotus/build"
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@ -206,10 +209,14 @@ func NewEthTxReceipt(tx EthTx, lookup *MsgLookup, replay *InvocResult) (EthTxRec
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Logs: []string{},
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}
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contractAddr, err := CheckContractCreation(lookup)
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if err == nil {
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receipt.To = nil
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receipt.ContractAddress = contractAddr
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if receipt.To == nil && lookup.Receipt.ExitCode.IsSuccess() {
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// Create and Create2 return the same things.
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var ret eam.CreateReturn
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if err := ret.UnmarshalCBOR(bytes.NewReader(lookup.Receipt.Return)); err != nil {
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return EthTxReceipt{}, xerrors.Errorf("failed to parse contract creation result: %w", err)
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}
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addr := EthAddress(ret.EthAddress)
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receipt.ContractAddress = &addr
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}
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if lookup.Receipt.ExitCode.IsSuccess() {
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@ -229,21 +236,6 @@ func NewEthTxReceipt(tx EthTx, lookup *MsgLookup, replay *InvocResult) (EthTxRec
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return receipt, nil
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}
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func CheckContractCreation(lookup *MsgLookup) (*EthAddress, error) {
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if lookup.Receipt.ExitCode.IsError() {
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return nil, xerrors.Errorf("message execution was not successful")
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}
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var result init8.ExecReturn
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ret := bytes.NewReader(lookup.Receipt.Return)
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if err := result.UnmarshalCBOR(ret); err == nil {
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contractAddr, err := EthAddressFromFilecoinIDAddress(result.IDAddress)
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if err == nil {
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return &contractAddr, nil
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}
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}
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return nil, xerrors.Errorf("not a contract creation tx")
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}
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const (
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EthAddressLength = 20
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EthHashLength = 32
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@ -1553,7 +1553,7 @@ var ChainExecEVMCmd = &cli.Command{
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}
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constructorParams, err := actors.SerializeParams(&evm.ConstructorParams{
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Bytecode: contract,
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Initcode: contract,
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})
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if err != nil {
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return xerrors.Errorf("failed to serialize constructor params: %w", err)
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2
go.mod
2
go.mod
@ -133,7 +133,7 @@ require (
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github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7
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github.com/urfave/cli/v2 v2.8.1
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github.com/whyrusleeping/bencher v0.0.0-20190829221104-bb6607aa8bba
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github.com/whyrusleeping/cbor-gen v0.0.0-20220514204315-f29c37e9c44c
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github.com/whyrusleeping/cbor-gen v0.0.0-20221021053955-c138aae13722
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github.com/whyrusleeping/ledger-filecoin-go v0.9.1-0.20201010031517-c3dcc1bddce4
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github.com/whyrusleeping/multiaddr-filter v0.0.0-20160516205228-e903e4adabd7
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github.com/xorcare/golden v0.6.1-0.20191112154924-b87f686d7542
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6
go.sum
6
go.sum
@ -353,6 +353,8 @@ github.com/filecoin-project/go-state-types v0.1.11-0.20220929211033-a2339f216f21
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github.com/filecoin-project/go-state-types v0.1.11-0.20220929211033-a2339f216f21/go.mod h1:UwGVoMsULoCK+bWjEdd/xLCvLAQFBC7EDT477SKml+Q=
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github.com/filecoin-project/go-state-types v0.1.11-0.20221020121916-001de75ef54e h1:Bl8982sk/ZAfoPNszIddnqjfezOJmvyiuzjMR+YhqOY=
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github.com/filecoin-project/go-state-types v0.1.11-0.20221020121916-001de75ef54e/go.mod h1:UwGVoMsULoCK+bWjEdd/xLCvLAQFBC7EDT477SKml+Q=
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github.com/filecoin-project/go-state-types v0.1.11-0.20221021072238-58379610cafe h1:Wmo0OMEslagGjLvRhlE64wOJIZaBGW01h1w1RATr2bo=
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github.com/filecoin-project/go-state-types v0.1.11-0.20221021072238-58379610cafe/go.mod h1:UwGVoMsULoCK+bWjEdd/xLCvLAQFBC7EDT477SKml+Q=
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github.com/filecoin-project/go-statemachine v0.0.0-20200925024713-05bd7c71fbfe/go.mod h1:FGwQgZAt2Gh5mjlwJUlVB62JeYdo+if0xWxSEfBD9ig=
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github.com/filecoin-project/go-statemachine v1.0.2 h1:421SSWBk8GIoCoWYYTE/d+qCWccgmRH0uXotXRDjUbc=
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github.com/filecoin-project/go-statemachine v1.0.2/go.mod h1:jZdXXiHa61n4NmgWFG4w8tnqgvZVHYbJ3yW7+y8bF54=
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@ -1755,8 +1757,8 @@ github.com/whyrusleeping/cbor-gen v0.0.0-20210118024343-169e9d70c0c2/go.mod h1:f
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github.com/whyrusleeping/cbor-gen v0.0.0-20210303213153-67a261a1d291/go.mod h1:fgkXqYy7bV2cFeIEOkVTZS/WjXARfBqSH6Q2qHL33hQ=
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github.com/whyrusleeping/cbor-gen v0.0.0-20220302191723-37c43cae8e14/go.mod h1:fgkXqYy7bV2cFeIEOkVTZS/WjXARfBqSH6Q2qHL33hQ=
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github.com/whyrusleeping/cbor-gen v0.0.0-20220323183124-98fa8256a799/go.mod h1:fgkXqYy7bV2cFeIEOkVTZS/WjXARfBqSH6Q2qHL33hQ=
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github.com/whyrusleeping/cbor-gen v0.0.0-20220514204315-f29c37e9c44c h1:6VPKXBDRt7mDUyiHx9X8ROnPYFDf3L7OfEuKCI5dZDI=
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github.com/whyrusleeping/cbor-gen v0.0.0-20220514204315-f29c37e9c44c/go.mod h1:fgkXqYy7bV2cFeIEOkVTZS/WjXARfBqSH6Q2qHL33hQ=
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github.com/whyrusleeping/cbor-gen v0.0.0-20221021053955-c138aae13722 h1:0HEhvpGQJ2Gd0ngPW83aduQQuF/V9v13+3zpSrR3lrA=
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github.com/whyrusleeping/cbor-gen v0.0.0-20221021053955-c138aae13722/go.mod h1:fgkXqYy7bV2cFeIEOkVTZS/WjXARfBqSH6Q2qHL33hQ=
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github.com/whyrusleeping/chunker v0.0.0-20181014151217-fe64bd25879f h1:jQa4QT2UP9WYv2nzyawpKMOCl+Z/jW7djv2/J50lj9E=
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github.com/whyrusleeping/chunker v0.0.0-20181014151217-fe64bd25879f/go.mod h1:p9UJB6dDgdPgMJZs7UjUOdulKyRr9fqkS+6JKAInPy8=
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github.com/whyrusleeping/go-keyspace v0.0.0-20160322163242-5b898ac5add1 h1:EKhdznlJHPMoKr0XTrX+IlJs1LH3lyx2nfr1dOlZ79k=
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@ -15,6 +15,7 @@ import (
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"github.com/filecoin-project/go-state-types/abi"
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"github.com/filecoin-project/go-state-types/big"
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builtintypes "github.com/filecoin-project/go-state-types/builtin"
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"github.com/filecoin-project/go-state-types/builtin/v8/eam"
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"github.com/filecoin-project/go-state-types/builtin/v8/evm"
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init8 "github.com/filecoin-project/go-state-types/builtin/v8/init"
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"github.com/filecoin-project/specs-actors/actors/builtin"
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@ -232,7 +233,7 @@ func (a *EthModule) EthGetCode(ctx context.Context, ethAddr api.EthAddress) (api
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From: from,
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To: to,
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Value: big.Zero(),
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Method: abi.MethodNum(3), // GetBytecode
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Method: builtintypes.MethodsEVM.GetBytecode,
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Params: nil,
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GasLimit: build.BlockGasLimit,
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GasFeeCap: big.Zero(),
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@ -320,7 +321,7 @@ func (a *EthModule) EthGetStorageAt(ctx context.Context, ethAddr api.EthAddress,
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From: from,
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To: to,
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Value: big.Zero(),
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Method: abi.MethodNum(4), // GetStorageAt
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Method: builtintypes.MethodsEVM.GetStorageAt,
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Params: params,
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GasLimit: build.BlockGasLimit,
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GasFeeCap: big.Zero(),
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@ -448,7 +449,7 @@ func (a *EthModule) applyEvmMsg(ctx context.Context, tx api.EthCall) (*api.Invoc
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// https://github.com/filecoin-project/ref-fvm/issues/992
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to = builtintypes.InitActorAddr
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constructorParams, err := actors.SerializeParams(&evm.ConstructorParams{
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Bytecode: tx.Data,
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Initcode: tx.Data,
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})
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if err != nil {
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return nil, fmt.Errorf("failed to serialize constructor params: %w", err)
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@ -472,14 +473,18 @@ func (a *EthModule) applyEvmMsg(ctx context.Context, tx api.EthCall) (*api.Invoc
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return nil, xerrors.Errorf("cannot get Filecoin address: %w", err)
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}
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to = addr
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params = tx.Data
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var buf bytes.Buffer
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if err := cbg.WriteByteArray(&buf, tx.Data); err != nil {
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return nil, fmt.Errorf("failed to encode tx input into a cbor byte-string")
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}
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params = buf.Bytes()
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}
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msg := &types.Message{
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From: from,
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To: to,
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Value: big.Int(tx.Value),
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Method: abi.MethodNum(2),
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Method: builtintypes.MethodsEVM.InvokeContract,
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Params: params,
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GasLimit: build.BlockGasLimit,
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GasFeeCap: big.Zero(),
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@ -523,7 +528,7 @@ func (a *EthModule) EthCall(ctx context.Context, tx api.EthCall, blkParam string
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return nil, err
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}
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if len(invokeResult.MsgRct.Return) > 0 {
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return invokeResult.MsgRct.Return, nil
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return cbg.ReadByteArray(bytes.NewReader(invokeResult.MsgRct.Return), uint64(len(invokeResult.MsgRct.Return)))
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}
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return api.EthBytes{}, nil
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}
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@ -629,9 +634,31 @@ func (a *EthModule) ethTxFromFilecoinMessageLookup(ctx context.Context, msgLooku
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}
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toAddr := &toEthAddr
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_, err = api.CheckContractCreation(msgLookup)
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if err == nil {
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toAddr = nil
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input := msg.Params
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// Check to see if we need to decode as contract deployment.
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if toFilAddr == builtintypes.EthereumAddressManagerActorAddr {
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switch msg.Method {
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case builtintypes.MethodsEAM.Create:
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toAddr = nil
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var params eam.CreateParams
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err = params.UnmarshalCBOR(bytes.NewReader(msg.Params))
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input = params.Initcode
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case builtintypes.MethodsEAM.Create2:
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toAddr = nil
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var params eam.Create2Params
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err = params.UnmarshalCBOR(bytes.NewReader(msg.Params))
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input = params.Initcode
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}
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if err != nil {
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return api.EthTx{}, err
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}
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}
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// Otherwise, try to decode as a cbor byte array.
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// TODO: Actually check if this is an ethereum call. This code will work for demo purposes, but is not correct.
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if toAddr != nil {
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if decodedParams, err := cbg.ReadByteArray(bytes.NewReader(msg.Params), uint64(len(msg.Params))); err == nil {
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input = decodedParams
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}
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}
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tx := api.EthTx{
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@ -649,7 +676,7 @@ func (a *EthModule) ethTxFromFilecoinMessageLookup(ctx context.Context, msgLooku
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V: api.EthBytes{},
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R: api.EthBytes{},
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S: api.EthBytes{},
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Input: msg.Params,
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Input: input,
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}
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return tx, nil
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}
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