cerc-io/lotus
16
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 27 Wiki Activity

feat: minor improvements to Ethereum delegated siggys

Browse Source
This commit is contained in:
Aayush 2023-01-20 10:21:00 -05:00
parent 1ea57740aa
commit 972e68a8c1
1 changed files with 14 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
chain/types/ethtypes/eth_transactions.go
View File

@ -12,13 +12,11 @@ import (
"github.com/filecoin-project/go-address"
gocrypto "github.com/filecoin-project/go-crypto"
"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/go-state-types/big"
builtintypes "github.com/filecoin-project/go-state-types/builtin"
typescrypto "github.com/filecoin-project/go-state-types/crypto"
"github.com/filecoin-project/lotus/build"
"github.com/filecoin-project/lotus/chain/actors"
"github.com/filecoin-project/lotus/chain/types"
)
@ -63,6 +61,7 @@ func EthTxArgsFromMessage(msg *types.Message) (EthTxArgs, error) {
to *EthAddress
params []byte
paramsReader = bytes.NewReader(msg.Params)
err error
)
if msg.Version != 0 {
@ -72,11 +71,10 @@ func EthTxArgsFromMessage(msg *types.Message) (EthTxArgs, error) {
if msg.To == builtintypes.EthereumAddressManagerActorAddr {
switch msg.Method {
case builtintypes.MethodsEAM.CreateExternal:
var create abi.CborBytes
if err := create.UnmarshalCBOR(paramsReader); err != nil {
return EthTxArgs{}, err
params, err = cbg.ReadByteArray(paramsReader, uint64(len(msg.Params)))
if err != nil {
return EthTxArgs{}, xerrors.Errorf("failed to read params byte array: %w", err)
}
params = create
default:
return EthTxArgs{}, fmt.Errorf("unsupported EAM method")
}
@ -103,11 +101,6 @@ func EthTxArgsFromMessage(msg *types.Message) (EthTxArgs, error) {
if err != nil {
return EthTxArgs{}, xerrors.Errorf("failed to read params byte array: %w", err)
}
if len(params) == 0 {
// Otherwise, we don't get a guaranteed round-trip.
return EthTxArgs{}, xerrors.Errorf("cannot invoke contracts with empty parameters from an eth-account")
}
}
}
@ -115,6 +108,11 @@ func EthTxArgsFromMessage(msg *types.Message) (EthTxArgs, error) {
return EthTxArgs{}, xerrors.Errorf("extra data found in params")
}
if len(params) == 0 && msg.Method != builtintypes.MethodSend {
// Otherwise, we don't get a guaranteed round-trip.
return EthTxArgs{}, xerrors.Errorf("msgs with empty parameters from an eth-account must be Sends (MethodNum: %d)", msg.Method)
}
return EthTxArgs{
ChainID: build.Eip155ChainId,
Nonce: int(msg.Nonce),
@ -143,12 +141,13 @@ func (tx *EthTxArgs) ToUnsignedMessage(from address.Address) (*types.Message, er
if len(tx.Input) == 0 {
return nil, xerrors.New("cannot call CreateExternal without params")
}
inputParams := abi.CborBytes(tx.Input)
params, err = actors.SerializeParams(&inputParams)
if err != nil {
return nil, fmt.Errorf("failed to serialize Create params: %w", err)
buf := new(bytes.Buffer)
if err = cbg.WriteByteArray(buf, tx.Input); err != nil {
return nil, xerrors.Errorf("failed to serialize Create params: %w", err)
}
params = buf.Bytes()
} else {
to, err = tx.To.ToFilecoinAddress()
if err != nil {