Author Topic: Test Net for Advanced Users  (Read 118175 times)

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Offline alt

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Re: Test Net for Advanced Users
« Reply #1335 on: September 30, 2015, 12:43:40 pm »
Code: [Select]
last_block->id(): 0004cdbde932bd1fbe5e160b4dd22b1a9b1f8135 last_block->block_num(): 314813

  "head_block_num": 314836,
  "head_block_id": "0004cdd471f6d83da5ddcfc8d93b65262538643a",
  "head_block_age": "4 hours old"

Offline clayop

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Re: Test Net for Advanced Users
« Reply #1336 on: September 30, 2015, 12:45:43 pm »
Code: [Select]
  "head_block_num": 314814,
  "head_block_id": "0004cdbe86f24753a0133e23c6e26ebd3c05bf9e",
  "head_block_age": "4 hours old",
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Offline ElMato

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Re: Test Net for Advanced Users
« Reply #1337 on: September 30, 2015, 12:47:41 pm »
All of my nodes were hung when I came in this morning.  Looks like a major issue was discovered and we are looking into the cause. 

Based upon the crash reports it looks like someone attempted a force settle.

I was testing force settlement.
I forced bitUSD, bitCNY, bitSILVER and bitGOLD to force settle, i don't remember the exact settlement date but was something like 8:00 AM GMT Sep 30 (need to double check)

Offline spartako

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Re: Test Net for Advanced Users
« Reply #1338 on: September 30, 2015, 12:51:14 pm »
This is my last info command before the witness crash (and the wallet exit after):

Code: [Select]
  "head_block_num": 313187,
  "head_block_id": "0004c763d993633488acb5fdd6ec362112aae9b9",
  "head_block_age": "6 hours old",
 

Code: [Select]
Server has disconnected us.
9 canceled_exception: Canceled
cancellation reason: [none given]
    {"reason":"[none given]"}
    th_a  thread_d.hpp:463 start_next_fiber
wallet_account_set_approval spartako

iHashFury

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Re: Test Net for Advanced Users
« Reply #1339 on: September 30, 2015, 12:51:46 pm »
info
{
  "head_block_num": 314814,
  "head_block_id": "0004cdbe86f24753a0133e23c6e26ebd3c05bf9e",
  "head_block_age": "4 hours old",
  "next_maintenance_time": "4 hours ago",

Offline bytemaster

Re: Test Net for Advanced Users
« Reply #1340 on: September 30, 2015, 12:59:51 pm »
Upon looking closer here is what I have found:

1. If you were in debug build your witness crashed because of an assert we had to perform sanity checks
2. If you were in release build your witness didn't crash but went on to fill a force settlement request when the collateral in the call order is less than what was received by the force settle (printing CORE).

The crash appears to be the result of a call order which lacks sufficient collateral at the force settlement price. 

As a result of this the network forked and all debug builds stopped producing.   

The good news is that I can reproduce this particular issue on demand and can get to the root cause of it.   

To prevent debug vs release forks in the future we will be converting all assert(...) calls to FC_ASSERT so that the code behaves the same in both builds and shouldn't "crash" in the future. 
For the latest updates checkout my blog: http://bytemaster.bitshares.org
Anything said on these forums does not constitute an intent to create a legal obligation or contract between myself and anyone else.   These are merely my opinions and I reserve the right to change them at any time.

Offline xeroc

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Re: Test Net for Advanced Users
« Reply #1341 on: September 30, 2015, 01:21:18 pm »
Sounds like progress ..

We are getting closer by the minute
Give BitShares a try! Use the http://testnet.bitshares.eu provided by http://bitshares.eu powered by ChainSquad GmbH

Offline wuyanren

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Re: Test Net for Advanced Users
« Reply #1342 on: September 30, 2015, 01:24:04 pm »
Sounds like progress ..

We are getting closer by the minute
You seem to comfort me

Offline cube

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Re: Test Net for Advanced Users
« Reply #1343 on: September 30, 2015, 02:09:42 pm »
Debug built witness crashed. It is restarting from block 0.

Edit: Resyn failed with the same 'fill order' error.
« Last Edit: September 30, 2015, 02:37:53 pm by cube »
ID: bitcube
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Offline ElMato

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Re: Test Net for Advanced Users
« Reply #1344 on: September 30, 2015, 02:39:28 pm »
"head_block_num": 314814,
  "head_block_id": "0004cdbe86f24753a0133e23c6e26ebd3c05bf9e",
  "head_block_age": "6 hours old",
  "next_maintenance_time": "6 hours ago",
  "chain_id": "0f8b631d7a9dfebf16d6776fab96b629a14429762bf9c3eb95db1e4e4af637a4",


While replaying the blockchain
Code: [Select]

   90.212%   284000 of 314814                                                                                                                                       

1858849ms th_a       db_block.cpp:263              push_proposal        ] e
1858850ms th_a       db_update.cpp:140             clear_expired_propos ] Failed to apply proposed transaction on its expiration. Deleting it.
{"id":"1.10.1","expiration_time":"2015-09-29T05:15:00","review_period_time":"2015-09-29T04:15:00","proposed_transaction":{"ref_block_num":0,"ref_block_prefix":0,"expiration":"
2015-09-29T05:15:00","operations":[[31,{"fee":{"amount":1000000,"asset_id":"1.3.0"},"new_parameters":{"current_fees":{"parameters":[[0,{"fee":2000000,"price_per_kbyte":1000000
}],[1,{"fee":500000}],[2,{"fee":0}],[3,{"fee":2000000}],[4,{}],[5,{"basic_fee":0,"premium_fee":200000000,"price_per_kbyte":100000}],[6,{"fee":2000000,"price_per_kbyte":100000}
],[7,{"fee":300000}],[8,{"membership_annual_fee":200000000,"membership_lifetime_fee":1000000000}],[9,{"fee":50000000}],[10,{"symbol3":"50000000000","symbol4":"30000000000","lo
ng_symbol":500000000,"price_per_kbyte":10}],[11,{"fee":50000000,"price_per_kbyte":10}],[12,{"fee":50000000}],[13,{"fee":50000000}],[14,{"fee":2000000,"price_per_kbyte":100000}
],[15,{"fee":2000000}],[16,{"fee":100000}],[17,{"fee":10000000}],[18,{"fee":50000000}],[19,{"fee":100000}],[20,{"fee":500000000}],[21,{"fee":2000000}],[22,{"fee":2000000,"pric
e_per_kbyte":10}],[23,{"fee":100000,"price_per_kbyte":10}],[24,{"fee":100000}],[25,{"fee":100000}],[26,{"fee":2000000}],[27,{"fee":0,"price_per_kbyte":10}],[28,{"fee":50000000
0}],[29,{"fee":100000}],[30,{"fee":100000}],[31,{"fee":2000000}],[32,{"fee":500000000}],[33,{"fee":100000}],[34,{"fee":100000}],[35,{"fee":100000,"price_per_kbyte":10}],[36,{"
fee":2000000}],[37,{}],[38,{"fee":500000,"price_per_kbyte":10}],[39,{"fee":500000,"price_per_output":500000}]],"scale":5000},"block_interval":3,"maintenance_interval":5400,"ma
intenance_skip_slots":4,"committee_proposal_review_period":300,"maximum_transaction_size":65536,"maximum_block_size":10485760,"maximum_time_until_expiration":86400,"maximum_pr
oposal_lifetime":2419200,"maximum_asset_whitelist_authorities":10,"maximum_asset_feed_publishers":10,"maximum_witness_count":1001,"maximum_committee_count":1001,"maximum_autho
rity_membership":10,"reserve_percent_of_fee":2000,"network_percent_of_fee":2000,"lifetime_referrer_percent_of_fee":3000,"cashback_vesting_period_seconds":7776000,"cashback_ves
ting_threshold":10000000,"count_non_member_votes":true,"allow_non_member_whitelists":false,"witness_pay_per_block":500000,"worker_budget_per_day":"50000000000","max_predicate_
opcode":1,"fee_liquidation_threshold":10000000,"accounts_per_fee_scale":1000,"account_fee_scale_bitshifts":4,"max_authority_depth":2,"extensions":[]}}]],"extensions":[]},"requ
ired_active_approvals":["1.2.0"],"available_active_approvals":["1.2.102","1.2.103","1.2.104","1.2.105","1.2.106","1.2.107","1.2.108","1.2.109","1.2.110"],"required_owner_appro
vals":[],"available_owner_approvals":[],"available_key_approvals":[]}
10 assert_exception: Assert Exception
itr->get_balance() >= -delta: Insufficient Balance: committee-account's balance of 0 CORE is less than required 10 CORE
    {"a":"committee-account","b":"0 CORE","r":"10 CORE"}
    th_a  db_balance.cpp:67 adjust_balance

    {"account":"1.2.0","delta":{"amount":-1000000,"asset_id":"1.3.0"}}
    th_a  db_balance.cpp:73 adjust_balance

    {}
    th_a  evaluator.cpp:42 start_evaluate

intenance_skip_slots":4,"committee_proposal_review_period":300,"maximum_transaction_size":65536,"maximum_block_size":10485760,"maximum_time_until_expiration":86400,"[540/1909]
oposal_lifetime":2419200,"maximum_asset_whitelist_authorities":10,"maximum_asset_feed_publishers":10,"maximum_witness_count":1001,"maximum_committee_count":1001,"maximum_autho
rity_membership":10,"reserve_percent_of_fee":2000,"network_percent_of_fee":2000,"lifetime_referrer_percent_of_fee":3000,"cashback_vesting_period_seconds":7776000,"cashback_ves
ting_threshold":10000000,"count_non_member_votes":true,"allow_non_member_whitelists":false,"witness_pay_per_block":500000,"worker_budget_per_day":"50000000000","max_predicate_
opcode":1,"fee_liquidation_threshold":10000000,"accounts_per_fee_scale":1000,"account_fee_scale_bitshifts":4,"max_authority_depth":2,"extensions":[]}}]],"extensions":[]},"requ
ired_active_approvals":["1.2.0"],"available_active_approvals":["1.2.102","1.2.103","1.2.104","1.2.105","1.2.106","1.2.107","1.2.108","1.2.109","1.2.110"],"required_owner_appro
vals":[],"available_owner_approvals":[],"available_key_approvals":[]}
10 assert_exception: Assert Exception
itr->get_balance() >= -delta: Insufficient Balance: committee-account's balance of 0 CORE is less than required 10 CORE
    {"a":"committee-account","b":"0 CORE","r":"10 CORE"}
    th_a  db_balance.cpp:67 adjust_balance

    {"account":"1.2.0","delta":{"amount":-1000000,"asset_id":"1.3.0"}}
    th_a  db_balance.cpp:73 adjust_balance

    {}
    th_a  evaluator.cpp:42 start_evaluate

    {}
    th_a  db_block.cpp:621 apply_operation

    {"proposal":{"id":"1.10.1","expiration_time":"2015-09-29T05:15:00","review_period_time":"2015-09-29T04:15:00","proposed_transaction":{"ref_block_num":0,"ref_block_prefix":
0,"expiration":"2015-09-29T05:15:00","operations":[[31,{"fee":{"amount":1000000,"asset_id":"1.3.0"},"new_parameters":{"current_fees":{"parameters":[[0,{"fee":2000000,"price_pe
r_kbyte":1000000}],[1,{"fee":500000}],[2,{"fee":0}],[3,{"fee":2000000}],[4,{}],[5,{"basic_fee":0,"premium_fee":200000000,"price_per_kbyte":100000}],[6,{"fee":2000000,"price_pe
r_kbyte":100000}],[7,{"fee":300000}],[8,{"membership_annual_fee":200000000,"membership_lifetime_fee":1000000000}],[9,{"fee":50000000}],[10,{"symbol3":"50000000000","symbol4":"
30000000000","long_symbol":500000000,"price_per_kbyte":10}],[11,{"fee":50000000,"price_per_kbyte":10}],[12,{"fee":50000000}],[13,{"fee":50000000}],[14,{"fee":2000000,"price_pe
r_kbyte":100000}],[15,{"fee":2000000}],[16,{"fee":100000}],[17,{"fee":10000000}],[18,{"fee":50000000}],[19,{"fee":100000}],[20,{"fee":500000000}],[21,{"fee":2000000}],[22,{"fe
e":2000000,"price_per_kbyte":10}],[23,{"fee":100000,"price_per_kbyte":10}],[24,{"fee":100000}],[25,{"fee":100000}],[26,{"fee":2000000}],[27,{"fee":0,"price_per_kbyte":10}],[28
,{"fee":500000000}],[29,{"fee":100000}],[30,{"fee":100000}],[31,{"fee":2000000}],[32,{"fee":500000000}],[33,{"fee":100000}],[34,{"fee":100000}],[35,{"fee":100000,"price_per_kb
yte":10}],[36,{"fee":2000000}],[37,{}],[38,{"fee":500000,"price_per_kbyte":10}],[39,{"fee":500000,"price_per_output":500000}]],"scale":5000},"block_interval":3,"maintenance_in
terval":5400,"maintenance_skip_slots":4,"committee_proposal_review_period":300,"maximum_transaction_size":65536,"maximum_block_size":10485760,"maximum_time_until_expiration":8
6400,"maximum_proposal_lifetime":2419200,"maximum_asset_whitelist_authorities":10,"maximum_asset_feed_publishers":10,"maximum_witness_count":1001,"maximum_committee_count":100
1,"maximum_authority_membership":10,"reserve_percent_of_fee":2000,"network_percent_of_fee":2000,"lifetime_referrer_percent_of_fee":3000,"cashback_vesting_period_seconds":77760
00,"cashback_vesting_threshold":10000000,"count_non_member_votes":true,"allow_non_member_whitelists":false,"witness_pay_per_block":500000,"worker_budget_per_day":"50000000000"
,"max_predicate_opcode":1,"fee_liquidation_threshold":10000000,"accounts_per_fee_scale":1000,"account_fee_scale_bitshifts":4,"max_authority_depth":2,"extensions":[]}}]],"exten
sions":[]},"required_active_approvals":["1.2.0"],"available_active_approvals":["1.2.102","1.2.103","1.2.104","1.2.105","1.2.106","1.2.107","1.2.108","1.2.109","1.2.110"],"requ
ired_owner_approvals":[],"available_owner_approvals":[],"available_key_approvals":[]}}
    th_a  db_block.cpp:269 push_proposal

Offline betax

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Re: Test Net for Advanced Users
« Reply #1345 on: September 30, 2015, 04:23:16 pm »
Any new nodes ? I have deleted the database, and try to sync, but after a few hours (just checked) still nothing.
https://metaexchange.info | Bitcoin<->Altcoin exchange | Instant | Safe | Low spreads

Offline bytemaster

Re: Test Net for Advanced Users
« Reply #1346 on: September 30, 2015, 05:20:32 pm »
"head_block_num": 314814,
  "head_block_id": "0004cdbe86f24753a0133e23c6e26ebd3c05bf9e",
  "head_block_age": "6 hours old",
  "next_maintenance_time": "6 hours ago",
  "chain_id": "0f8b631d7a9dfebf16d6776fab96b629a14429762bf9c3eb95db1e4e4af637a4",


While replaying the blockchain
Code: [Select]

   90.212%   284000 of 314814                                                                                                                                       

1858849ms th_a       db_block.cpp:263              push_proposal        ] e
1858850ms th_a       db_update.cpp:140             clear_expired_propos ] Failed to apply proposed transaction on its expiration. Deleting it.
{"id":"1.10.1","expiration_time":"2015-09-29T05:15:00","review_period_time":"2015-09-29T04:15:00","proposed_transaction":{"ref_block_num":0,"ref_block_prefix":0,"expiration":"
2015-09-29T05:15:00","operations":[[31,{"fee":{"amount":1000000,"asset_id":"1.3.0"},"new_parameters":{"current_fees":{"parameters":[[0,{"fee":2000000,"price_per_kbyte":1000000
}],[1,{"fee":500000}],[2,{"fee":0}],[3,{"fee":2000000}],[4,{}],[5,{"basic_fee":0,"premium_fee":200000000,"price_per_kbyte":100000}],[6,{"fee":2000000,"price_per_kbyte":100000}
],[7,{"fee":300000}],[8,{"membership_annual_fee":200000000,"membership_lifetime_fee":1000000000}],[9,{"fee":50000000}],[10,{"symbol3":"50000000000","symbol4":"30000000000","lo
ng_symbol":500000000,"price_per_kbyte":10}],[11,{"fee":50000000,"price_per_kbyte":10}],[12,{"fee":50000000}],[13,{"fee":50000000}],[14,{"fee":2000000,"price_per_kbyte":100000}
],[15,{"fee":2000000}],[16,{"fee":100000}],[17,{"fee":10000000}],[18,{"fee":50000000}],[19,{"fee":100000}],[20,{"fee":500000000}],[21,{"fee":2000000}],[22,{"fee":2000000,"pric
e_per_kbyte":10}],[23,{"fee":100000,"price_per_kbyte":10}],[24,{"fee":100000}],[25,{"fee":100000}],[26,{"fee":2000000}],[27,{"fee":0,"price_per_kbyte":10}],[28,{"fee":50000000
0}],[29,{"fee":100000}],[30,{"fee":100000}],[31,{"fee":2000000}],[32,{"fee":500000000}],[33,{"fee":100000}],[34,{"fee":100000}],[35,{"fee":100000,"price_per_kbyte":10}],[36,{"
fee":2000000}],[37,{}],[38,{"fee":500000,"price_per_kbyte":10}],[39,{"fee":500000,"price_per_output":500000}]],"scale":5000},"block_interval":3,"maintenance_interval":5400,"ma
intenance_skip_slots":4,"committee_proposal_review_period":300,"maximum_transaction_size":65536,"maximum_block_size":10485760,"maximum_time_until_expiration":86400,"maximum_pr
oposal_lifetime":2419200,"maximum_asset_whitelist_authorities":10,"maximum_asset_feed_publishers":10,"maximum_witness_count":1001,"maximum_committee_count":1001,"maximum_autho
rity_membership":10,"reserve_percent_of_fee":2000,"network_percent_of_fee":2000,"lifetime_referrer_percent_of_fee":3000,"cashback_vesting_period_seconds":7776000,"cashback_ves
ting_threshold":10000000,"count_non_member_votes":true,"allow_non_member_whitelists":false,"witness_pay_per_block":500000,"worker_budget_per_day":"50000000000","max_predicate_
opcode":1,"fee_liquidation_threshold":10000000,"accounts_per_fee_scale":1000,"account_fee_scale_bitshifts":4,"max_authority_depth":2,"extensions":[]}}]],"extensions":[]},"requ
ired_active_approvals":["1.2.0"],"available_active_approvals":["1.2.102","1.2.103","1.2.104","1.2.105","1.2.106","1.2.107","1.2.108","1.2.109","1.2.110"],"required_owner_appro
vals":[],"available_owner_approvals":[],"available_key_approvals":[]}
10 assert_exception: Assert Exception
itr->get_balance() >= -delta: Insufficient Balance: committee-account's balance of 0 CORE is less than required 10 CORE
    {"a":"committee-account","b":"0 CORE","r":"10 CORE"}
    th_a  db_balance.cpp:67 adjust_balance

    {"account":"1.2.0","delta":{"amount":-1000000,"asset_id":"1.3.0"}}
    th_a  db_balance.cpp:73 adjust_balance

    {}
    th_a  evaluator.cpp:42 start_evaluate

intenance_skip_slots":4,"committee_proposal_review_period":300,"maximum_transaction_size":65536,"maximum_block_size":10485760,"maximum_time_until_expiration":86400,"[540/1909]
oposal_lifetime":2419200,"maximum_asset_whitelist_authorities":10,"maximum_asset_feed_publishers":10,"maximum_witness_count":1001,"maximum_committee_count":1001,"maximum_autho
rity_membership":10,"reserve_percent_of_fee":2000,"network_percent_of_fee":2000,"lifetime_referrer_percent_of_fee":3000,"cashback_vesting_period_seconds":7776000,"cashback_ves
ting_threshold":10000000,"count_non_member_votes":true,"allow_non_member_whitelists":false,"witness_pay_per_block":500000,"worker_budget_per_day":"50000000000","max_predicate_
opcode":1,"fee_liquidation_threshold":10000000,"accounts_per_fee_scale":1000,"account_fee_scale_bitshifts":4,"max_authority_depth":2,"extensions":[]}}]],"extensions":[]},"requ
ired_active_approvals":["1.2.0"],"available_active_approvals":["1.2.102","1.2.103","1.2.104","1.2.105","1.2.106","1.2.107","1.2.108","1.2.109","1.2.110"],"required_owner_appro
vals":[],"available_owner_approvals":[],"available_key_approvals":[]}
10 assert_exception: Assert Exception
itr->get_balance() >= -delta: Insufficient Balance: committee-account's balance of 0 CORE is less than required 10 CORE
    {"a":"committee-account","b":"0 CORE","r":"10 CORE"}
    th_a  db_balance.cpp:67 adjust_balance

    {"account":"1.2.0","delta":{"amount":-1000000,"asset_id":"1.3.0"}}
    th_a  db_balance.cpp:73 adjust_balance

    {}
    th_a  evaluator.cpp:42 start_evaluate

    {}
    th_a  db_block.cpp:621 apply_operation

    {"proposal":{"id":"1.10.1","expiration_time":"2015-09-29T05:15:00","review_period_time":"2015-09-29T04:15:00","proposed_transaction":{"ref_block_num":0,"ref_block_prefix":
0,"expiration":"2015-09-29T05:15:00","operations":[[31,{"fee":{"amount":1000000,"asset_id":"1.3.0"},"new_parameters":{"current_fees":{"parameters":[[0,{"fee":2000000,"price_pe
r_kbyte":1000000}],[1,{"fee":500000}],[2,{"fee":0}],[3,{"fee":2000000}],[4,{}],[5,{"basic_fee":0,"premium_fee":200000000,"price_per_kbyte":100000}],[6,{"fee":2000000,"price_pe
r_kbyte":100000}],[7,{"fee":300000}],[8,{"membership_annual_fee":200000000,"membership_lifetime_fee":1000000000}],[9,{"fee":50000000}],[10,{"symbol3":"50000000000","symbol4":"
30000000000","long_symbol":500000000,"price_per_kbyte":10}],[11,{"fee":50000000,"price_per_kbyte":10}],[12,{"fee":50000000}],[13,{"fee":50000000}],[14,{"fee":2000000,"price_pe
r_kbyte":100000}],[15,{"fee":2000000}],[16,{"fee":100000}],[17,{"fee":10000000}],[18,{"fee":50000000}],[19,{"fee":100000}],[20,{"fee":500000000}],[21,{"fee":2000000}],[22,{"fe
e":2000000,"price_per_kbyte":10}],[23,{"fee":100000,"price_per_kbyte":10}],[24,{"fee":100000}],[25,{"fee":100000}],[26,{"fee":2000000}],[27,{"fee":0,"price_per_kbyte":10}],[28
,{"fee":500000000}],[29,{"fee":100000}],[30,{"fee":100000}],[31,{"fee":2000000}],[32,{"fee":500000000}],[33,{"fee":100000}],[34,{"fee":100000}],[35,{"fee":100000,"price_per_kb
yte":10}],[36,{"fee":2000000}],[37,{}],[38,{"fee":500000,"price_per_kbyte":10}],[39,{"fee":500000,"price_per_output":500000}]],"scale":5000},"block_interval":3,"maintenance_in
terval":5400,"maintenance_skip_slots":4,"committee_proposal_review_period":300,"maximum_transaction_size":65536,"maximum_block_size":10485760,"maximum_time_until_expiration":8
6400,"maximum_proposal_lifetime":2419200,"maximum_asset_whitelist_authorities":10,"maximum_asset_feed_publishers":10,"maximum_witness_count":1001,"maximum_committee_count":100
1,"maximum_authority_membership":10,"reserve_percent_of_fee":2000,"network_percent_of_fee":2000,"lifetime_referrer_percent_of_fee":3000,"cashback_vesting_period_seconds":77760
00,"cashback_vesting_threshold":10000000,"count_non_member_votes":true,"allow_non_member_whitelists":false,"witness_pay_per_block":500000,"worker_budget_per_day":"50000000000"
,"max_predicate_opcode":1,"fee_liquidation_threshold":10000000,"accounts_per_fee_scale":1000,"account_fee_scale_bitshifts":4,"max_authority_depth":2,"extensions":[]}}]],"exten
sions":[]},"required_active_approvals":["1.2.0"],"available_active_approvals":["1.2.102","1.2.103","1.2.104","1.2.105","1.2.106","1.2.107","1.2.108","1.2.109","1.2.110"],"requ
ired_owner_approvals":[],"available_owner_approvals":[],"available_key_approvals":[]}}
    th_a  db_block.cpp:269 push_proposal

That is more of a status message than an error message and is OK to ignore.
For the latest updates checkout my blog: http://bytemaster.bitshares.org
Anything said on these forums does not constitute an intent to create a legal obligation or contract between myself and anyone else.   These are merely my opinions and I reserve the right to change them at any time.

Offline bytemaster

Re: Test Net for Advanced Users
« Reply #1347 on: September 30, 2015, 05:29:53 pm »
Quick Update:

We have identified the corner case that caused the problem and are preparing fixes for it now.   A quick summary:

1.  Early feed producers were off by a factor of 10
2.  Early margin testors created margin positions based upon the old feed prices
3.  Feed producers fixed their feed which left the early margin testors in black-swan territory
4.  Attempt to force settle resulted in a condition that was previously believed to be impossible (a black swan)

The fix we are adding will cause BitUSD to black swan on the test network. 

We are in the process of auditing the transaction history to answer a couple of questions:

1. Should the black swan have been triggered much earlier as a result of market orders being placed, canceled, etc?
2. If it should have, why wasn't it?

We are also evaluating if we should take any precautions to protect the network from future unexpected bugs.   Right now there exist
a slew of operations that are applied outside the context of a transaction.  If any of those operations fail then the network will be unable
to produce blocks.   In effect, these operations should always succeed if the transaction evaluation maintains the proper invariants.

Will be back with more updates when we have them.

For the latest updates checkout my blog: http://bytemaster.bitshares.org
Anything said on these forums does not constitute an intent to create a legal obligation or contract between myself and anyone else.   These are merely my opinions and I reserve the right to change them at any time.

Offline testz

Re: Test Net for Advanced Users
« Reply #1348 on: September 30, 2015, 06:33:25 pm »
4.  Attempt to force settle resulted in a condition that was previously believed to be impossible (a black swan)

 +5% Very good that this happened, so this case can be properly reviewed and re-tested.

Offline liondani

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Re: Test Net for Advanced Users
« Reply #1349 on: September 30, 2015, 07:25:25 pm »
4.  Attempt to force settle resulted in a condition that was previously believed to be impossible (a black swan)

 +5% Very good that this happened, so this case can be properly reviewed and re-tested.

 +5%

Yep I am glad it occurred on the test-network too !