gateway: Support all EthModule methods

gateway/node.go

@@ -94,6 +94,8 @@ type TargetAPI interface {
 	EthGetBlockByHash(ctx context.Context, blkHash ethtypes.EthHash, fullTxInfo bool) (ethtypes.EthBlock, error)
 	EthGetBlockByNumber(ctx context.Context, blkNum string, fullTxInfo bool) (ethtypes.EthBlock, error)
 	EthGetTransactionByHash(ctx context.Context, txHash *ethtypes.EthHash) (*ethtypes.EthTx, error)
+	EthGetTransactionHashByCid(ctx context.Context, cid cid.Cid) (*ethtypes.EthHash, error)
+	EthGetMessageCidByTransactionHash(ctx context.Context, txHash *ethtypes.EthHash) (*cid.Cid, error)
 	EthGetTransactionCount(ctx context.Context, sender ethtypes.EthAddress, blkOpt string) (ethtypes.EthUint64, error)
 	EthGetTransactionReceipt(ctx context.Context, txHash ethtypes.EthHash) (*api.EthTxReceipt, error)
 	EthGetTransactionByBlockHashAndIndex(ctx context.Context, blkHash ethtypes.EthHash, txIndex ethtypes.EthUint64) (ethtypes.EthTx, error)
@@ -120,6 +122,7 @@ type TargetAPI interface {
 	EthUninstallFilter(ctx context.Context, id ethtypes.EthFilterID) (bool, error)
 	EthSubscribe(ctx context.Context, params jsonrpc.RawParams) (ethtypes.EthSubscriptionID, error)
 	EthUnsubscribe(ctx context.Context, id ethtypes.EthSubscriptionID) (bool, error)
+	Web3ClientVersion(ctx context.Context) (string, error)
 }
 
 var _ TargetAPI = *new(api.FullNode) // gateway depends on latest

gateway/proxy_eth.go

@@ -8,6 +8,7 @@ import (
 	"sync"
 	"time"
 
+	"github.com/ipfs/go-cid"
 	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/go-jsonrpc"
@@ -19,6 +20,14 @@ import (
 	"github.com/filecoin-project/lotus/chain/types/ethtypes"
 )
 
+func (gw *Node) Web3ClientVersion(ctx context.Context) (string, error) {
+	if err := gw.limit(ctx, stateRateLimitTokens); err != nil {
+		return "", err
+	}
+
+	return gw.target.Web3ClientVersion(ctx)
+}
+
 func (gw *Node) EthAccounts(ctx context.Context) ([]ethtypes.EthAddress, error) {
 	// gateway provides public API, so it can't hold user accounts
 	return []ethtypes.EthAddress{}, nil
@@ -143,6 +152,22 @@ func (gw *Node) EthGetTransactionByHash(ctx context.Context, txHash *ethtypes.Et
 	return gw.target.EthGetTransactionByHash(ctx, txHash)
 }
 
+func (gw *Node) EthGetTransactionHashByCid(ctx context.Context, cid cid.Cid) (*ethtypes.EthHash, error) {
+	if err := gw.limit(ctx, stateRateLimitTokens); err != nil {
+		return nil, err
+	}
+
+	return gw.target.EthGetTransactionHashByCid(ctx, cid)
+}
+
+func (gw *Node) EthGetMessageCidByTransactionHash(ctx context.Context, txHash *ethtypes.EthHash) (*cid.Cid, error) {
+	if err := gw.limit(ctx, stateRateLimitTokens); err != nil {
+		return nil, err
+	}
+
+	return gw.target.EthGetMessageCidByTransactionHash(ctx, txHash)
+}
+
 func (gw *Node) EthGetTransactionCount(ctx context.Context, sender ethtypes.EthAddress, blkOpt string) (ethtypes.EthUint64, error) {
 	if err := gw.limit(ctx, stateRateLimitTokens); err != nil {
 		return 0, err