fixes

go/host/rpc/clientapi/client_api_eth.go

@@ -67,7 +67,7 @@ func (api *EthereumAPI) GetBlockByHash(_ context.Context, hash gethcommon.Hash,
 }
 
 // GasPrice is a placeholder for an RPC method required by MetaMask/Remix.
-func (api *EthereumAPI) GasPrice(context.Context) (*hexutil.Big, error) {
+func (api *EthereumAPI) GasPrice() (*hexutil.Big, error) {
 	header, err := api.host.DB().GetHeadBatchHeader()
 	if err != nil {
 		return nil, err

integration/obscurogateway/tengateway_test.go

@@ -393,8 +393,8 @@ func testErrorHandling(t *testing.T, httpURL, wsURL string, w wallet.Wallet) {
 	require.NoError(t, err)
 
 	// make requests to geth for comparison
-
 	for _, req := range []string{
+		`{"jsonrpc":"2.0","method":"eth_gasPrice","params": [],"id":1}`,
 		`{"jsonrpc":"2.0","method":"eth_getBlockByNumber","params": ["latest", false],"id":1}`,
 		`{"jsonrpc":"2.0","method":"eth_feeHistory","params":[1, "latest", [50]],"id":1}`,
 		`{"jsonrpc":"2.0","method":"eth_getBalance","params":["0xA58C60cc047592DE97BF1E8d2f225Fc5D959De77", "latest"],"id":1}`,

tools/walletextension/rpcapi/ethereum_api.go

@@ -2,6 +2,7 @@ package rpcapi
 
 import (
 	"context"
+	"math/big"
 	"time"
 
 	"github.com/ethereum/go-ethereum/common/hexutil"
@@ -19,7 +20,8 @@ func NewEthereumAPI(we *Services,
 }
 
 func (api *EthereumAPI) GasPrice(ctx context.Context) (*hexutil.Big, error) {
-	return UnauthenticatedTenRPCCall[hexutil.Big](ctx, api.we, &CacheCfg{TTL: shortCacheTTL}, "eth_gasPrice")
+	return (*hexutil.Big)(big.NewInt(int64(0x3b9aca00))), nil
+	// return UnauthenticatedTenRPCCall[hexutil.Big](ctx, api.we, &CacheCfg{TTL: shortCacheTTL}, "eth_gasPrice")
 }
 
 func (api *EthereumAPI) MaxPriorityFeePerGas(ctx context.Context) (*hexutil.Big, error) {