rpc, evm: use binary search to estimate gas (#272)

* do binary search to estimate gas

Closes #268

- Also refactor ApplyMessage to be more reuseable

move binary search to rpc api side to have a clean context each try

remove EstimateGas grpc api

* extract BinSearch function and add unit test

* do estimateGas in grpc query

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>

tests/rpc/rpc_test.go

@@ -803,9 +803,10 @@ func TestEth_EstimateGas(t *testing.T) {
 	param[0]["from"] = "0x" + fmt.Sprintf("%x", from)
 	param[0]["to"] = "0x1122334455667788990011223344556677889900"
 	param[0]["value"] = "0x1"
+	param[0]["gas"] = "0x5209"
 	rpcRes := call(t, "eth_estimateGas", param)
 	require.NotNil(t, rpcRes)
-	require.NotEmpty(t, rpcRes.Result)
+	require.Equal(t, rpcRes.Result, "0x5208")
 
 	var gas string
 	err := json.Unmarshal(rpcRes.Result, &gas)