diff --git a/include/fctypes.h b/include/fctypes.h
index 6932f6b..e6db401 100644
--- a/include/fctypes.h
+++ b/include/fctypes.h
@@ -501,9 +501,14 @@ typedef Handle TransactionOutputIteratorMocks__Handle;
 
 /**
  * TxnSignerMocks__Handle Handle, struct
- * mocks.TxnSignerIterator
+ * mocks.TxnSigner
  */
 typedef Handle TxnSignerMocks__Handle;
+/**
+ * TxnSignerIteratorMocks__Handle Handle, struct
+ * mocks.TxnSignerIterator
+ */
+typedef Handle TxnSignerIteratorMocks__Handle;
 
 // Callbacks
 
diff --git a/lib/cgo/coin.mocks.TxnSignerIterator.go b/lib/cgo/coin.mocks.TxnSignerIterator.go
new file mode 100644
index 0000000..e5366aa
--- /dev/null
+++ b/lib/cgo/coin.mocks.TxnSignerIterator.go
@@ -0,0 +1,58 @@
+package main
+
+/*
+
+  #include <string.h>
+  #include <stdlib.h>
+
+  #include "fctypes.h"
+*/
+import "C"
+
+//export FC_mocks_TxnSignerIterator_Count
+func FC_mocks_TxnSignerIterator_Count(__m *C.TxnSignerIteratorMocks__Handle, _arg0 *int) (____error_code uint32) {
+	_m, ok_m := lookupTxnSignerIteratorMocksHandle(*__m)
+	if !ok_m {
+		____error_code = FC_BAD_HANDLE
+		return
+	}
+	__arg0 := _m.Count()
+	*_arg0 = __arg0
+	return
+}
+
+//export FC_mocks_TxnSignerIterator_HasNext
+func FC_mocks_TxnSignerIterator_HasNext(__m *C.TxnSignerIteratorMocks__Handle, _arg0 *bool) (____error_code uint32) {
+	_m, ok_m := lookupTxnSignerIteratorMocksHandle(*__m)
+	if !ok_m {
+		____error_code = FC_BAD_HANDLE
+		return
+	}
+	__arg0 := _m.HasNext()
+	*_arg0 = __arg0
+	return
+}
+
+//export FC_mocks_TxnSignerIterator_Next
+func FC_mocks_TxnSignerIterator_Next(__m *C.TxnSignerIteratorMocks__Handle, _arg0 *bool) (____error_code uint32) {
+	_m, ok_m := lookupTxnSignerIteratorMocksHandle(*__m)
+	if !ok_m {
+		____error_code = FC_BAD_HANDLE
+		return
+	}
+	__arg0 := _m.Next()
+	*_arg0 = __arg0
+	return
+}
+
+//export FC_mocks_TxnSignerIterator_Value
+func FC_mocks_TxnSignerIterator_Value(__m *C.TxnSignerIteratorMocks__Handle, _arg0 *C.TxnSigner__Handle) (____error_code uint32) {
+	_m, ok_m := lookupTxnSignerIteratorMocksHandle(*__m)
+	if !ok_m {
+		____error_code = FC_BAD_HANDLE
+		return
+	}
+	__arg0 := _m.Value()
+	*_arg0 = registerTxnSignerHandle(&__arg0)
+	return
+}
diff --git a/lib/cgo/handles b/lib/cgo/handles
index 283ff9e..3b1a38e 100644
--- a/lib/cgo/handles
+++ b/lib/cgo/handles
@@ -72,4 +72,5 @@ CGOGEN HANDLES core__TransactionInput|TransactionInput
 CGOGEN HANDLES mocks__TransactionIterator|TransactionIteratorMocks
 CGOGEN HANDLES mocks__TransactionOutput|TransactionOutputMocks
 CGOGEN HANDLES mocks__TransactionOutputIterator|TransactionOutputIteratorMocks
-CGOGEN HANDLES mocks__TxnSigner|TxnSignerMocks
\ No newline at end of file
+CGOGEN HANDLES mocks__TxnSigner|TxnSignerMocks
+CGOGEN HANDLES mocks__TxnSignerIterator|TxnSignerIteratorMocks
\ No newline at end of file
diff --git a/lib/cgo/libfc_handle.go b/lib/cgo/libfc_handle.go
index 856e123..9af43bf 100644
--- a/lib/cgo/libfc_handle.go
+++ b/lib/cgo/libfc_handle.go
@@ -956,3 +956,17 @@ func lookupTxnSignerMocksHandle(handle C.TxnSignerMocks__Handle) (*mocks.TxnSign
 func registerTxnSignerMocksHandle(obj *mocks.TxnSigner) C.TxnSignerMocks__Handle {
 	return (C.TxnSignerMocks__Handle)(registerHandle(obj))
 }
+
+func lookupTxnSignerIteratorMocksHandle(handle C.TxnSignerIteratorMocks__Handle) (*mocks.TxnSignerIterator, bool) {
+	obj, ok := lookupHandle(C.Handle(handle))
+	if ok {
+		if obj, isOK := (obj).(*mocks.TxnSignerIterator); isOK {
+			return obj, true
+		}
+	}
+	return nil, false
+}
+
+func registerTxnSignerIteratorMocksHandle(obj *mocks.TxnSignerIterator) C.TxnSignerIteratorMocks__Handle {
+	return (C.TxnSignerIteratorMocks__Handle)(registerHandle(obj))
+}