diff --git a/api/src/owner.rs b/api/src/owner.rs
index 01fbdd09..ac80d787 100644
--- a/api/src/owner.rs
+++ b/api/src/owner.rs
@@ -1167,7 +1167,7 @@ where
 	/// let tx_slate_id = None;
 	///
 	/// // Return all TxLogEntries
-	/// let result = api_owner.retrieve_txs(None, update_from_node, tx_id, tx_slate_id);
+	/// let result = api_owner.retrieve_txs(None, update_from_node, tx_id, tx_slate_id, None);
 	///
 	/// if let Ok((was_updated, tx_log_entries)) = result {
 	///     let stored_tx = api_owner.get_stored_tx(None, Some(tx_log_entries[0].id), None).unwrap();
diff --git a/api/src/owner_rpc.rs b/api/src/owner_rpc.rs
index beeb6a66..8ce8a5f6 100644
--- a/api/src/owner_rpc.rs
+++ b/api/src/owner_rpc.rs
@@ -300,6 +300,89 @@ pub trait OwnerRpc {
 	# "#
 	# , 2, false, false, false, false);
 	```
+
+	# JSON-RPC Example, with advanced query arguments - See  (../grin_wallet_libwallet/types.struct.RetrieveTxQueryArgs.html)
+
+	```
+		# grin_wallet_api::doctest_helper_json_rpc_owner_assert_response!(
+		# r#"
+		{
+			"jsonrpc": "2.0",
+			"method": "retrieve_txs",
+			"params": {
+				"token": "d202964900000000d302964900000000d402964900000000d502964900000000",
+				"refresh_from_node": true,
+				"tx_id": null,
+				"tx_slate_id": null,
+				"tx_query_args": {
+					"min_id_inc": 0,
+					"max_id_inc": 100,
+					"min_amount_inc": "0",
+					"max_amount_inc": "6000000000",
+					"sort_field": "Id",
+					"sort_order": "Desc"
+				}
+			},
+			"id": 1
+		}
+		# "#
+		# ,
+		# r#"
+		{
+		"id": 1,
+		"jsonrpc": "2.0",
+	  "result": {
+		"Ok": [
+		  true,
+		  [
+			{
+			  "amount_credited": "60000000000",
+			  "amount_debited": "0",
+			  "confirmation_ts": "2019-01-15T16:01:26Z",
+			  "confirmed": true,
+			  "creation_ts": "2019-01-15T16:01:26Z",
+			  "fee": null,
+			  "id": 0,
+			  "kernel_excess": "0838e19c490038b10f051c9c190a9b1f96d59bbd242f5d3143f50630deb74342ed",
+			  "kernel_lookup_min_height": 1,
+			  "num_inputs": 0,
+			  "num_outputs": 1,
+			  "parent_key_id": "0200000000000000000000000000000000",
+			  "stored_tx": null,
+			  "ttl_cutoff_height": null,
+			  "tx_slate_id": null,
+			  "payment_proof": null,
+			  "reverted_after": null,
+			  "tx_type": "ConfirmedCoinbase"
+			},
+			{
+			  "amount_credited": "60000000000",
+			  "amount_debited": "0",
+			  "confirmation_ts": "2019-01-15T16:01:26Z",
+			  "confirmed": true,
+			  "creation_ts": "2019-01-15T16:01:26Z",
+			  "fee": null,
+			  "id": 1,
+			  "kernel_excess": "08cd9d890c0b6a004f700aa5939a1ce0488fe2a11fa33cf096b50732ceab0be1df",
+			  "kernel_lookup_min_height": 2,
+			  "num_inputs": 0,
+			  "num_outputs": 1,
+			  "parent_key_id": "0200000000000000000000000000000000",
+			  "stored_tx": null,
+			  "ttl_cutoff_height": null,
+			  "payment_proof": null,
+			  "reverted_after": null,
+			  "tx_slate_id": null,
+			  "tx_type": "ConfirmedCoinbase"
+			}
+		  ]
+		]
+	  }
+	}
+	# "#
+	# , 2, false, false, false, false);
+	```
+
 	*/
 
 	fn retrieve_txs(
diff --git a/libwallet/src/api_impl/types.rs b/libwallet/src/api_impl/types.rs
index 213700e1..2c35cc43 100644
--- a/libwallet/src/api_impl/types.rs
+++ b/libwallet/src/api_impl/types.rs
@@ -203,8 +203,12 @@ pub struct RetrieveTxQueryArgs {
 	/// whether to only consider reverted transactions
 	pub include_reverted_only: Option<bool>,
 	/// lower bound on the total amount (amount_credited - amount_debited), inclusive
+	#[serde(with = "secp_ser::opt_string_or_u64")]
+	#[serde(default)]
 	pub min_amount_inc: Option<u64>,
 	/// higher bound on the total amount (amount_credited - amount_debited), inclusive
+	#[serde(with = "secp_ser::opt_string_or_u64")]
+	#[serde(default)]
 	pub max_amount_inc: Option<u64>,
 	/// lower bound on the creation timestamp, inclusive
 	pub min_creation_timestamp_inc: Option<DateTime<Utc>>,
diff --git a/libwallet/src/internal/updater.rs b/libwallet/src/internal/updater.rs
index e9aea59d..ad5ada1d 100644
--- a/libwallet/src/internal/updater.rs
+++ b/libwallet/src/internal/updater.rs
@@ -25,6 +25,7 @@ use crate::grin_core::global;
 use crate::grin_core::libtx::proof::ProofBuilder;
 use crate::grin_core::libtx::reward;
 use crate::grin_keychain::{Identifier, Keychain, SwitchCommitmentType};
+use crate::grin_util as util;
 use crate::grin_util::secp::key::SecretKey;
 use crate::grin_util::secp::pedersen;
 use crate::grin_util::static_secp_instance;
@@ -32,7 +33,6 @@ use crate::internal::keys;
 use crate::types::{
 	NodeClient, OutputData, OutputStatus, TxLogEntry, TxLogEntryType, WalletBackend, WalletInfo,
 };
-use crate::{grin_util as util, Amount};
 use crate::{
 	BlockFees, CbData, OutputCommitMapping, RetrieveTxQueryArgs, RetrieveTxQuerySortField,
 	RetrieveTxQuerySortOrder,
@@ -339,7 +339,7 @@ where
 	C: NodeClient + 'a,
 	K: Keychain + 'a,
 {
-	let mut txs: Vec<TxLogEntry> = vec![];
+	let mut txs;
 	// Adding in new tranasction list query logic. If `tx_id` or `tx_slate_id`
 	// is provided, then `query_args` is ignored and old logic is followed.
 	if query_args.is_some() && tx_id.is_none() && tx_slate_id.is_none() {