APIV3 GetBlockTransactions throws JSON deserialization error. #110
Description
When using HTTP_TONCENTERAPIV3 and calling client.GetBlockTransactions the application can fail to deserialize the response:
Newtonsoft.Json.JsonSerializationException: Error converting value {null} to type 'System.Int64'. Path 'transactions[1].in_msg.created_lt', line 1, position 3792.
---> System.InvalidCastException: Null object cannot be converted to a value type.
at System.Convert.ChangeType(Object value, Type conversionType, IFormatProvider provider)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.EnsureType(JsonReader reader, Object value, CultureInfo culture, JsonContract contract, Type targetType)
--- End of inner exception stack trace ---
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.EnsureType(JsonReader reader, Object value, CultureInfo culture, JsonContract contract, Type targetType)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.SetPropertyValue(JsonProperty property, JsonConverter propertyConverter, JsonContainerContract containerContract, JsonProperty containerProperty, JsonReader reader, Object target)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateObject(Object newObject, JsonReader reader, JsonObjectContract contract, JsonProperty member, String id)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.SetPropertyValue(JsonProperty property, JsonConverter propertyConverter, JsonContainerContract containerContract, JsonProperty containerProperty, JsonReader reader, Object target)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateObject(Object newObject, JsonReader reader, JsonObjectContract contract, JsonProperty member, String id)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateList(IList list, JsonReader reader, JsonArrayContract contract, JsonProperty containerProperty, String id)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateList(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, Object existingValue, String id)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.SetPropertyValue(JsonProperty property, JsonConverter propertyConverter, JsonContainerContract containerContract, JsonProperty containerProperty, JsonReader reader, Object target)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateObject(Object newObject, JsonReader reader, JsonObjectContract contract, JsonProperty member, String id)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize(JsonReader reader, Type objectType, Boolean checkAdditionalContent)
at Newtonsoft.Json.JsonSerializer.DeserializeInternal(JsonReader reader, Type objectType)
at Newtonsoft.Json.JsonSerializer.Deserialize(JsonReader reader, Type objectType)
at Newtonsoft.Json.JsonConvert.DeserializeObject(String value, Type type, JsonSerializerSettings settings)
at Newtonsoft.Json.JsonConvert.DeserializeObject[T](String value, JsonSerializerSettings settings)
at Newtonsoft.Json.JsonConvert.DeserializeObject[T](String value)
at TonSdk.Client.HttpApiV3.GetTransactions(Address address, UInt32 limit, Nullable`1 lt, String hash, Nullable`1 to_lt, Nullable`1 archival)
at TonSdk.Client.TonClient.GetTransactions(Address address, UInt32 limit, Nullable`1 lt, String hash, Nullable`1 to_lt, Nullable`1 archival)
at Program.<Main>$(String[] args) in C:\Scratch\TonTestSdk\Program.cs:line 44
Here is the response from TonCenter:
toncenter.com/api/v3/transactions?account=EQDNDaIHcH22lEqZgVritZNp860-KCzGf-s1hWMADf8ky1YS&offset=0&limit=10&sort=desc&start_lt=47392202000001
{
"transactions": [
{
"account": "0:CD0DA207707DB6944A99815AE2B59369F3AD3E282CC67FEB358563000DFF24CB",
"hash": "jhhKK/c3DQr+zNz3iETF450uZfwgznxHyv2UcnlLnTc=",
"lt": "47392202000021",
"now": 1719582529,
"orig_status": "active",
"end_status": "active",
"total_fees": "396400",
"prev_trans_hash": "vV3YFlqAdL/1o1dpwawqFuLgXjfP34O1YtJaTmV1AN0=",
"prev_trans_lt": "47392202000001",
"description": {
"type": "ord",
"action": {
"valid": true,
"success": true,
"no_funds": false,
"result_code": 0,
"tot_actions": 0,
"msgs_created": 0,
"spec_actions": 0,
"tot_msg_size": {
"bits": "0",
"cells": "0"
},
"status_change": "unchanged",
"skipped_actions": 0,
"action_list_hash": "lqKW0iTyhcZ77pPDD4owkVfw2qNdxbh+QQt4YwoJz8c="
},
"aborted": false,
"credit_ph": {
"credit": "4618000"
},
"destroyed": false,
"compute_ph": {
"mode": 0,
"type": "vm",
"success": true,
"gas_fees": "396400",
"gas_used": "991",
"vm_steps": 29,
"exit_code": 0,
"gas_limit": "11545",
"msg_state_used": false,
"account_activated": false,
"vm_init_state_hash": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=",
"vm_final_state_hash": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA="
},
"storage_ph": {
"status_change": "unchanged",
"storage_fees_collected": "0"
},
"credit_first": false
},
"block_ref": {
"workchain": 0,
"shard": "C000000000000000",
"seqno": 44272274
},
"in_msg": {
"hash": "FH0fOhm9bbGuaapRGaIlwwttOu44frYSOCPi1j/7UME=",
"source": "0:A107678CA051B84E1B84B19E9E86504F2895CE8CDC6547907BA8A64D188BF6E7",
"destination": "0:CD0DA207707DB6944A99815AE2B59369F3AD3E282CC67FEB358563000DFF24CB",
"value": "4618000",
"fwd_fee": "301869",
"ihr_fee": "0",
"created_lt": "47392202000020",
"created_at": "1719582529",
"opcode": "0x00000000",
"ihr_disabled": true,
"bounce": true,
"bounced": false,
"import_fee": null,
"message_content": {
"hash": "P+k4lxWGmOTUc7dEFNdJNxaw/DpwMQk0hz8AGdqsyrQ=",
"body": "te6cckEBAQEABgAACAAAAADjAK8P",
"decoded": {
"type": "text_comment",
"comment": ""
}
},
"init_state": null
},
"out_msgs": [],
"account_state_before": {
"hash": "tqHJ5o3QIwuBLQuDrngHVBXyQTjGd99LmuHzfgrYtag=",
"balance": null,
"account_status": null,
"frozen_hash": null,
"code_hash": null,
"data_hash": null
},
"account_state_after": {
"hash": "2FDwaPJtDGbQkdbK4+doQGSSzYnfLse+W+YUvB/7C+Y=",
"balance": "919285349",
"account_status": "active",
"frozen_hash": null,
"code_hash": "/rX/aCDi/w2Ug+fg1iyBfYRniftK5YDIeIZtlZ2r1cA=",
"data_hash": "nnH9X9M76s+VInxPcKUXTIYvitguPyXvWySUOhaYyPc="
},
"mc_block_seqno": 38657593
},
{
"account": "0:CD0DA207707DB6944A99815AE2B59369F3AD3E282CC67FEB358563000DFF24CB",
"hash": "vV3YFlqAdL/1o1dpwawqFuLgXjfP34O1YtJaTmV1AN0=",
"lt": "47392202000001",
"now": 1719582529,
"orig_status": "active",
"end_status": "active",
"total_fees": "2198551",
"prev_trans_hash": "i+09/CUCPmtruJeFzWGWSWFnYoUv/wC/2Vz5lai5V0c=",
"prev_trans_lt": "47392052000001",
"description": {
"type": "ord",
"action": {
"valid": true,
"success": true,
"no_funds": false,
"result_code": 0,
"tot_actions": 1,
"msgs_created": 1,
"spec_actions": 0,
"tot_msg_size": {
"bits": "865",
"cells": "2"
},
"status_change": "unchanged",
"total_fwd_fees": "494400",
"skipped_actions": 0,
"action_list_hash": "gNAEUJwALEnY8AB1W+LYfaQfiVHQW2KmzefDvRd0ZeE=",
"total_action_fees": "164797"
},
"aborted": false,
"credit_ph": {
"credit": "139775004705023"
},
"destroyed": false,
"compute_ph": {
"mode": 0,
"type": "vm",
"success": true,
"gas_fees": "1323200",
"gas_used": "3308",
"vm_steps": 68,
"exit_code": 0,
"gas_limit": "0",
"gas_credit": "10000",
"msg_state_used": false,
"account_activated": false,
"vm_init_state_hash": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=",
"vm_final_state_hash": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA="
},
"storage_ph": {
"status_change": "unchanged",
"storage_fees_collected": "154"
},
"credit_first": true
},
"block_ref": {
"workchain": 0,
"shard": "C000000000000000",
"seqno": 44272274
},
"in_msg": {
"hash": "6V/uUnkjlJBBVWXaCnVqr9lYH0gT/Dyup8TdqHd4nR4=",
"source": null,
"destination": "0:CD0DA207707DB6944A99815AE2B59369F3AD3E282CC67FEB358563000DFF24CB",
"value": null,
"fwd_fee": null,
"ihr_fee": null,
"created_lt": null,
"created_at": null,
"opcode": "0xd59bc7a0",
"ihr_disabled": null,
"bounce": null,
"bounced": null,
"import_fee": "0",
"message_content": {
"hash": "+4NRNR5y8z0ThSEDWuMlo6dwuLMZs1KEdtHby4orLW0=",
"body": "te6cckEBAwEAngABnNWbx6Bmcuoe0+mxwPUBgqkoynQcl9QSwlXLwHDWxL4pFQwo8mMFJFETOwEAaoP0NZSsSG1C3S6gfHze6IyzegopqaMXZn7AYgAAAJoAAwEBbmIAUIOzxlAo3CcNwljPT0MoJ5RK50ZuMqPIPdRTJoxF+3Ob0JAAAAAAAAAAAAAAAAAAAGEVNRQCACIzMzYzMTcxOTU4MjUwODg1NGtQ55c=",
"decoded": null
},
"init_state": null
},
"out_msgs": [
{
"hash": "dO0JhK3kNAOOTlUQjIq8jkP0pkKS9NZYpDVl2Fz5U6w=",
"source": "0:CD0DA207707DB6944A99815AE2B59369F3AD3E282CC67FEB358563000DFF24CB",
"destination": "0:A107678CA051B84E1B84B19E9E86504F2895CE8CDC6547907BA8A64D188BF6E7",
"value": "8000000",
"fwd_fee": "329603",
"ihr_fee": "0",
"created_lt": "47392202000002",
"created_at": "1719582529",
"opcode": "0x61153514",
"ihr_disabled": true,
"bounce": true,
"bounced": false,
"import_fee": null,
"message_content": {
"hash": "XwFfeHYUwpqBQd5NjKJSJKV50pbRJUh+yIy2FujYtmM=",
"body": "te6cckEBAgEAGgABCGEVNRQBACIzMzYzMTcxOTU4MjUwODg1NP/X3aw=",
"decoded": null
},
"init_state": null
}
],
"account_state_before": {
"hash": "BsC2e1KhSBeaeyyjK67HbmRO9yV+ZhI3HdwNCaB7OhA=",
"balance": "925591903",
"account_status": "active",
"frozen_hash": null,
"code_hash": "/rX/aCDi/w2Ug+fg1iyBfYRniftK5YDIeIZtlZ2r1cA=",
"data_hash": "pOxOXfiMGmbUc84kVE0thv63blpgoFhfq4AdIvNdAAY="
},
"account_state_after": {
"hash": "tqHJ5o3QIwuBLQuDrngHVBXyQTjGd99LmuHzfgrYtag=",
"balance": null,
"account_status": null,
"frozen_hash": null,
"code_hash": null,
"data_hash": null
},
"mc_block_seqno": 38657593
}
],
"address_book": {
"0:CD0DA207707DB6944A99815AE2B59369F3AD3E282CC67FEB358563000DFF24CB": {
"user_friendly": "UQDNDaIHcH22lEqZgVritZNp860-KCzGf-s1hWMADf8kywvX"
},
"0:A107678CA051B84E1B84B19E9E86504F2895CE8CDC6547907BA8A64D188BF6E7": {
"user_friendly": "EQChB2eMoFG4ThuEsZ6ehlBPKJXOjNxlR5B7qKZNGIv256Da"
}
}
}