Crust PoC-6.0

Features

• ⚡ Upgrade substrate rc4 #183
• 🆕 [MPoW] Add A/B Upgrade basic mechanism #181
• 🆕 [MPoW] Add merged work report mechanism serving the A/B Upgrade #190
• 🆕 [MPoW] Add set code for TEE AB upgrade #172
• 🆕 [Market] Punishment mechanism #170
• 🆕 [Market] Add virtual closed status for storage order #185
• 🚑 [Payment] New slot payment mechanism #177
• 🆕 [Client] Add rocky chain spec #184
• 🔨 Remodule tee(reduce the on-chain storage size) #187

Solved issues

• [Market] Change storage order's amount into provider's price #173
• [Payment] Double check division operation #174
• [Payment] Change fixed slot(a minute) into fixed slots(10 times) #178
• [Client] tx pool api will stuck when tx pool blocking #182
• [Market] Punishment failed #186

Crust PoC-5.0

Features

• 🆕 [GPoS] Slashing mechanism #163
• 🆕 [MPoW] New TEE register mechanism #171
• 🆕 [MPoW] Add set code for TEE AB upgrade #172
• 🆕 [Market] New storage order #179
• 🆕 [Market] New provider register #179
• 🆕 [Market] New provider pledge mechanism #151
• 🆕 [Payment] New payment module for delayed payment #145
• ⚡ [Upgrade] Upgrade into substrate rc2 #146
• 🔨 Refactoring market runtime module #152
• 🔨 Refactoring interfaces between market, tee and payment modules #144

Fixes

• 🐛 [Payment] Fix delayed payment #152
• 🐛 [Market] Fix duplicate storage order mapping to same file #154
• 🐛 [Market] Fix pledge operation #162
• 🐛 [Market] Fix place order #165
• 🐛 [Payment] Fix locked currency #168
• 🐛 [Payment] Fix transfer operation #175

Solved issues

• [Market+MPoW] How to deal with different orders for the same file #147
• [Market] Place same file order to same provider #150
• [Payment] Tx fee should be reconsidered in slot transfer #159
• [Market] Storage order's provider and client should be different #160
• [Payment] Avoid misoperation on pledge action #161
• [GPoS+Market] Pledge and bond should be mutex #164
• [Market] Cut all pledge won't remove lock #167
• [Payment] Double check division operation #174

Crust PoC-4.0

Features

• 🆕 [GPoS] Add new guarantee mechanism #117
• 🆕 [MPoW] Change work report structure for matching files #128
• 🆕 [Market+MPoW] Abstract tee and market interface #126
• 🆕 [Market+MPoW] Add active order check on reporting works #130
• 🆕 [Market+MPoW] Add passive order check in updating identities #131
• 🚑 [Market] Applying random hashing on generating order id #132
• 🚑 [MPoW] Fix updating stake limit on reporting works #140
• 🚑 [MPoW] Add unique public key checking #115
• 🎨 [Market] Refactor market code, abstract interface for tee module #121
• 🔧 Fix init.sh #120
• 📝 Add README badge and CI status #112 #116

Fixes

• 🐛 Fix compact #124
• 🐛 Fix market and tee interface in runtime #126
• 🐛 Fix name conflicting(Address) for apps's #133

Solved issues

• [GPoS] Guarantor increase his vote could bring a ranking side-effect #95
• [GPoS] error message is unfriendly #118
• [GPoS] Active stake limit update should influent all validators #88
• Clear stakers should not remove online validators #108
• [MPoW] Check public key is unique #115
• Change some TODO comments into FIXME #96

Crust PoC-3.0

Features

• ⬆️ Upgrade substrate into v2.0.0-alpha.6
• ⬆️ Upgrade futures into 0.3.4
• ⬆️ Upgrade codec into 1.3.0
• ⬆️ Upgrade serde into 1.0.106
• 🆕 Construct base market runtime
• 🆕 Add basic StorageOrder in market
• 🆕 Add GPoS rewards
• 🔨 Simplify work_report store structure and its processing logic
• 🔨 Refactor node(service, cli, command) startup code
• ⚡ Optimize guarantee_rel by using double_map
• ✅ Refactor staking test cases
• ✅ Add GPoS reward test cases
• ✅ Add market test cases
• 👷 Add market runtime test CI
• 🔥 Delete unused runtime modules(mainly democracy related)

Fixes

• 🐛 Fix total workload statistic bug
• 🐛 Fix work report outdated processing logic
• 🚨 Resolve some warnings

Solved issues

• Upgrade to substrate v2 stable #80
• [MPoW] Work report calculation improvement #83
• [GPoS] Using double map to restructure guarantee logic #85
• [GPoS] Update his valid stakes in validate action #86
• [GPoS] stakers may update failed #97
• Block syncing issue in alpha.5 #102

Crust PoC-2.2

Features

• 🆕 Set stake limit once work reported #87
• 🚑 Avoid double mining #89
• 🎨 Adjust staking runtime code structure #90

Fixes

• 🐛 Fix passive guarantor votes #84

Known issues

• 🆕 [GPoS] Reward returning mechanism #76
• ⚡️ [GPoS] Using double map to restructure guarantee logic #85
• 🚑 [GPoS] Update valid stakes in validate action #86
• 🚑 [GPoS] Active stake limit update should influent all validators #88

Crust PoC-2.1

Features

• 🚑 Make new guarantee strategy #79
• 🎨 Change nominatX to guarantX #77

Fixes

• 🐛Fix voting check on stake limit #81

Crust PoC-2

Crust PoC 2nd version, mainly complete GPoS

Features

• 🆕 Change Phragmen to TopDown election algorithm #66
• 🆕 Enable guarantor choose stakes for candidates #68
• 🆕 Change active check from cut limit to valid vote #72
• 🆕 Change passive check from cut limit to valid vote #73
• 🚑 Add stake limit check on guarantor's staking op #69

Fixes

• 🐛 Guarantor's ledger should be clear before calculate valid vote #75
• 🐛 Guarantor's voting(validator) should not be removed when limit still remains #75

Known issues

• [GPoS] Change staking API from nominator to guarantor #65
• [GPoS] Change nominate op from batch to single #71
• [GPoS] Guarantor's stakes cannot accumulated #74
• Account Id <-> PubKey bonding relationship should be unique #58
• TEE work report event may emit failed possibly #61

Crust PoC-1.1

• Extend work_report outdated time to 1 era + 1 block to increasing tolerance
• Change stake limit update logic(handle phragmen result None case) in the era end
• Fix zero-stake validator not be removed

Crust PoC-1

The first in a series of Crust Proof-of-Concepts.

Features

• A working PoS blockchain based on Substrate BABE/GRANDPA consensus
• A staking module with limitation by validator's workloads based on polkadot's NPoS mechanism
• A tee module includes identity and work report verification
• A crypto library includes ecdsa p256 algorithm

Known issues

• Current GPoS mechanism is not friendly to nominators because of the original NPoS mechanism, in details: #39
• BABE cannot start over when node goes off for an era time, in details: #2
• Slash mechanism is missing, in details: #29