CHANGELOG.rst

Changelog

All notable changes to this project are documented in this file.

[0.8.4] 2019-02-14

• Fix incorrect error handling when importing a 1 out of 2 multi-signature address #860
• Gracefully handle invalid GET request #863
• Implement tx size network fee calc #869
• Fix config maxpeers to disconnect peers if limited is lower than before #878
• Implement the ability to attach a priority fee to applicable transactions #880
• Fix an invalid list access error during client connection error edge case #882
• Fix NetworkAddressWithTime address serialization #897
• Add additional debug logging to help investigate transaction verification failures #898

[0.8.3] 2019-01-16

• Update getassetstate RPC method to support neo and gas aliases; Cleanup show_contract_state #667
• Add fix to ensure tx is saved to wallet when sent using RPC #680
• Disallow Void type input parameters for smart contracts and increase test coverage #690
• Fix confirmed tx not being purged from mempool #703
• Fix bootstrap thread joining failure on Ubuntu systems #705
• Make bootstrap lookup dynamic such that users don't have to update their configs from here on forward #705
• Move some warnings and 'expected' errors to DEBUG level to avoid logging to console by default #708
• Empty VerificationScripts for deployed contracts now work as intended #709
• Fix various issues related to signing multi-signature transactions #710
• Add GET and OPTIONS request functionality for JSON-RPC servers #712
• Fix RPC's getaccountstate response schema to match neo-cli #714
• Add bad peers to the getpeers RPC method #715
• Allow a raw tx to be build without an active blockchain db in the environment #718
• Introduce Django inspired component loading for REST and RPC server #719
• Fix unnecessary default bootstrap warning for mainnet showing. #722

• Various updates to the network code to improve stability as well as inspection #723

  • Added peer health checking to validate that we get the data we requested within a given time threshold
  • Added peer connection monitoring to keep queueing or reset if we have no more valid addresses to connect to.
  • Added extensive logging to improve inspection

• Fix gzip failure in current implementation of ExtendedJsonRpcApi #724
• Gracefully handle balance query failures of NEP-5 tokens. #744
• Fix getcontractstate JSON output to match neo-cli 2.9.2 #746
• Fix getrawtransaction JSON output to match neo-cli 2.9.2 #751
• Add --to-addr option when claiming gas #755
• Remove ExtendedJsonRpc server from base repo (still available as extension) #756
• Fix calculation of asset change value when using multiple alternating asset inputs #803
• Refactor CLI to be more user friendly and support better future extensibility #805
• Update TestNet seeds #807
• Add Reset logic to NodeLeader such that Blockchain fixture testcases reset properly #809
• Resolve peewee DeprecationWarning #810
• Add VM SafeReadBytes #812
• Add gettransactionheight RPC method #813
• Update ApplicationEngine methods CheckStackSize and GetPrice #814
• Cleanup show nodes output #815

[0.8.2] 2018-10-31

• Improve Tokens.py and token_send, increase test coverage
• Fix max recursion depth exceeding when network data inflow exceeds processing speed
• Add log output control via the new config output_level command. The old config debug command is removed.
• Update Readme and Prompt.py help
• Update documentation to include new IsPayable contract flag in the examples
• Fix discrepancy between getpeers RPC call and the maxpeers setting
• Update CreateAddress functionality and tests
• Add VM sanity checks for operations on BigInteger's
• Add raw transaction building examples in \examples\ folder
• Add ExtendedJsonRpcApi, Add getnodestate RPC extended method, Add gettxhistory RPC extended method
• Fix return types of claimGas function.
• Update compiler version v0.5.6
• Add the option -u (unittest-net) to prompt.py
• Add fixtures guidelines and add the smart contract source codes (UnitTest-SM.zip) to the fixtures package
• Adds sendmany feature to prompt.py, integrates with send feature, and adds provisions for sending with a negative fee and bad from_address
• Fix ExtendedJsonRpcApi
• Fix cleaning up tasks for disconnected peers #687
• Fix duplicate task starting for requesting blocks
• Add getblockheader RPC method
• Remove Neo.Witness.GetInvocationScript
• Allow wallets to sync past corrupt blocks

[0.8.1] 2018-10-06

• Add sendmany and sendfrom RPC methods & tests and integrate with sendtoaddress
• Updated all the dependencies
• Add Neo.Transaction.GetWitnesses, Neo.Witness.GetInvocationScript, Neo.Witness.GetVerificationScript
• Change notification transfer event format to use string quoted integer
• Fix Notification token list to include correct hash for contract and token
• Removes all hold and withdraw related functionality from wallet and prompt
• Various updates to inaccuracies in ToJson output of AccountState
• Add documentation support for Python 3.7
• Change execution fail event payload to give more meaningful error messages

[0.8.0] 2018-09-28

• Implemented sendtoaddress RPC method #556
• Gracefully handle network packet deserialization failures
• Implementation Stack Isolation (NEP8)
• Fix issue resetting storage between Smart Contract invocations
• Default ApplicationConfiguration.AcceptIncomingPeers to False, if config value is not present
• Update seed list to include NGD nodes
• Fix unhandled deferred errors
• Fix Blockchain.DeregisterBlockchain not clearing all static variables
• Disable prompt.py test cases due to high time consumption and unreliable results.
• Migrate the existing test cases, which depend on BlockchainFixtureTestCase and WalletFixtureTestCase, to a privnet. Reduction of the fixtures' size to about 7MB. #478
• Ensure non-zero send value in prompt.py
• Update block importing and exporting functionality.
• Add send-zero provision and improved test coverage to sendtoaddress
• Update Mainnet bootstrap files
• Update to compiler version v0.5.3

[0.7.8] 2018-09-06

• Prefix vin JSON output format to match C#
• Update neo-boa to v0.5.0 for Python 3.7 compatibility
• Update pexpect to 4.6.0 to be compatible with Python 3.7
• Accept incoming node connections, configurable via protocol config file setting (default: OFF)
• Fixes vulnerability to RPC invoke functionality that can send node into unclosed loop during 'test' invokes
• Fix issue with opening recently created wallets
• Fix import_blocks.py block hash caching issue
• Update prompt.py: add account to help, update help, update standard completions, add config maxpeers functionality, update configure function arguments to behave as intended
• Add support for multiple requests in one transaction for JSON-RPC
• Update docs toctree so all pages are indexed & added instructions for contributing to docs

[0.7.7] 2018-08-23

• Fix issue with UserWallet.SaveStoredData
• Update neo-core to v0.5.1
• Add appropriate GAS cost for CHECKMULTISIG for an array
• Add appropriate GAS cost for VERIFY
• Update test_prompt.py to acheive passing neo-python-core build
• Add Seedlist.rst and update Basicusage.rst for API Servers
• Add test for np-prompt using pexpect
• Add getwalletheight RPC call
• Add support for Peewee 3.6.4
• Add support for IsPayable flag in prompt.
• Fix Block header problems with block_import.py script
• Sync GAS price calculations with current Neo core
• Update bootstrap files for mainnet and testnet
• Fix ContextItem JSOn decoding
• Fix sys_fee calculation for certain transaction types
• Fix TransactionAttribute duplication in Transactions

[0.7.6] 2018-08-02

• Adds ability to attach a fee to a send transaction
• Update Node selection mechanism
• Store Transactions list items inside a Block in a consistent format.
• Improved peer connection maintenance

[0.7.5] 2018-07-19

• Add CreateAddress Feature
• Update NodeLeader peer monitoring system
• Add ability to configure size of requests for blocks as well as block processing queue size
• Update mainnet bootstrap files
• Fix size calculations for all serializable classes
• Add size key to JSON output of Block and Transaction
• add prompt command to split VIN to multiple VOUT
• update notification endpoint to include total_pages in output, and allow pagesize paramater to be passed in
• update seeds for mainnet

[0.7.3] 2018-07-12

• Updated package requirements, removed pycrypto from all dependencies to fix install error(s) #485
• Adds option to enter arguments for smart contract in an 'interactive' mode, which allows for much better parsing of input, activated by passing the --i flag when invoking.
• Adds ability to not parse address strings such as AeV59NyZtgj5AMQ7vY6yhr2MRvcfFeLWSb when inputting to smart contract by passing the --no-parse flag
• Changes the structure of items dispatched in SmartContractEvents to use the ContractParameter interface for better type inference and variable usage.
• Fix sending NEP5 tokesn from a multisig address.
• Bugfix: np-api-server with open wallet now properly processes new blocks
• Update neo-boa to v0.4.8 and neocore to v0.4.11
• Add VM support for Neo.Contract.IsPayable

[0.7.2] 2018-06-21

• When using a custom datadir (with --datadir), np-prompt will store log and history files there instead of the default directory. Note: if you use a custom datadir that does not yet exist, np-prompt starts without history or logs because those files are just created from scratch in the custom datadir.
• Updated the dependencies
• Updated MainNet bootstrap files
• Added --wallet flag to the np-api-server command. The server can now open a wallet. #459
• Added a partial implementation of the listaddress RPC method. #459
• Added getnewaddress method to the JSON RPC API #464
• Added an implementation of the getbalance RPC method. #465
• updated seed list, change behavior of restarting NodeLeader when connected nodes falls below 2
• Add Neo.Blockchain.GetTransactionHeight API
• Updating Enumerator API for parity with Neo PR #244
• Unifying interop namespace Neo PR #254
• Update neo-boa version to v0.4.7 for new Enumerator/Iterator interop methods and additional python opcode support.
• Fixed REST API /status current_height off-by-one #475

[0.7.1] 2018-06-02

• update FunctionCode Return type parsing
• add np-export and np-import commands for importing and exporting of raw block data files

[0.7.0] 2018-06-01

• fix a bug with smart-contract parameter string parsing #412
• fix StateMachine.Contract_Migrate and add tests
• add ability to attach tx attrs to build command and testinvoke. altered tx attr parsing
• updated the install instructions present on docs
• fix issues with some JSON-RPC properties #418
• added support for optionally chunking through GAS claims in prompt #419
• support RPC and REST endpoints in parallel #420
• Added new command tkn_history to the prompt. It shows the recorded history of transfers of a given NEP5 token, that are related to the open wallet.
• fix current block lookup during smart contract event processing #426
• fixed custom datadir setup for prompt and api-server
• added mint smart-contract event to NotificationDB #433
• Allow SmartContract to use a hash with or without 0x prefix
• update to neo-boa v0.4.4
• Update to neo-python-core v0.4.8:
• Create wallets with np-utils --create-wallet
• BigInteger(0) now is b'\x00'
• CheckWitness now only accepts 20 or 33 byte addresses,CheckWitness faults VM when input is bad rather than returning False
• When creating contracts, ReturnType is now written by ScriptBuilder as a BigInteger
• Allow sending of transaction attributes with invocations
• Added signing utility np-sign for using a wallet, WIF, or NEP2 to sign an arbitrary message.

[0.6.9] 2018-04-30

• alter logging
• fix issue with dispatching transfer events when from_addr is False
• add TPS monitor to prompt state command
• add check for db schema changes
• add support for StorageIterator and Storage.Find from smart contracts
• update to neocore==0.4.6
• update VERIFY implementation to match C#
• add check for block tx length when adding to blockchain to address issues #302 and #360
• add smart contract storage searching using a prefix.
• source code cleanup of imports and class declarations
• update to neo-boa==0.4.2

[0.6.8] 2018-04-26

• add ServiceEnabled boolean to settings to determine whether nodes should send other nodes blocks
• updated new block retrieval mechanism
• fix for token_delete command not removing tokens from wallet file
• fixed sc-events and notification DB showing previous block height instead of final block height of event
• persist refund() notify events in notification DB
• add Runtime.Serialize/Deserialize support for MAP
• fix for debug breakpoints not being cleared.
• add VERIFY op to ExecutionEngine
• Update to neocore 0.4.2
• add caching to systemshare and systemcoin creation to help in block persistence.
• fix asset amount rounding for very small amounts
• fix storage commit routine for failed contract executions

[0.6.7] 2018-04-06

• Update all the requirements
• Networking changes
• added --maxpeers option for np-prompt and np-api-server. This allows p2p discovery of new nodes up to the value specified
• added --host option for np-api-server in order to specify a hostname for the server
• added more testing for neo.Network module
• various networking improvements
• fix in neo.SmartContract.StateReader ContractMigrate functionality
• added check for Python 3.6 on startup
• API: Added CORS header Access-Control-Allow-Headers: 'Content-Type, Access-Control-Allow-Headers, Authorization, X-Requested-With' (fixes Request header field Content-Type is not allowed by Access-Control-Allow-Headers in preflight response)

[0.6.6] 2018-04-02

• add Neo.Runtime.Serialize and Neo.Runtime.Deserialize for compliance with this (#163)
• Fixed IsWalletTransaction to make it compare scripts in transactions to scripts (instead of scripthashes) in wallet contracts and scripthashes of transactions (instead of scripts) to scripthashes of watch-only addresses
• Python version check in Settings.py: fail if not Python 3.6+ (can be disabled with env var SKIP_PY_CHECK)

[0.6.5] 2018-03-31

• Changed the eval() call when parsing the --tx-attr param to parse only json. Reduced the surface and options available on the other 2 eval calls to improve security.
• fix wallet rebuild database lock errors (PR #365)
• Fixed synced_watch_only_balances being always zero issue (#209)
• Added 'getpeers' to the JSON RPC API (only containing the available functionality)
• Updated to neo-boa==0.4.0, which has support for using dictionaries and interactive debugging
• Added interactive VM Debugger #367
• Added Pause and Resume methods to neo.Core.Blockchain in order to allow for processing to occur without new incoming blocks
• Fix bug with checking if contract is an NEP5 Token
• Update testnet bootstrap files
• lowered amount of blocks requested by each thread to prevent hanging connections

[0.6.4] 2018-03-24

• Add GZIP compression to RPC server responses if the caller supports it.
• Change VM fault reporting to only happen when debug logging is enabled
• fix engine error states
• update mainnet bootstrap files
• performance fix for VM engine execution logging (PR #354)

[0.6.3] 2018-03-21

• update to neocore==0.3.10 to fix ToNeoJsonString() issue identified here
• make home dir optional for .neopython
• performance fix for block update speed

[0.6.2] 2018-03-21

• Implementing interop type MAP along with new opcodes NEWMAP HASKEY KEYS VALUES and modify ARRAYSIZE PICKITEM SETITEM REMOVE to support MAP as per PR here <https://github.com/neo-project/neo-vm/pull/28>__
• Added support for using --from-addr= to specify the address to use for testinvoke in prompt.py. (PR #329)
• Fixed neo/bin/prompt.py to redact WIF keys, nep2 keys and contract metadata from the command history file .prompt.py.history.
• Added TransactionInvocation.GetScript to StateReader.py
• Fixed missing uri locations in neo/api/REST/RestApi.py (PR #342)
• Fixed privatenet check by fixing the chain path for checks in Settings (PR #341)
• Fixed neo-privnet.sample.wallet
• Fix for current block height lag behind other RPC implementations by 1-3 blocks
• Fixed bootstrap.py to use the specified data directory, instead of hard-coded relative paths.
• Test chains moved to the user data directory, instead of the projects code path.

[0.6.1] 2018-03-16

• Fixed README reference in MANIFEST.in
• Added additional error messages to ExecutionEngine.py to help with debugging smart contracts.

• Changes for Pypi compatibility:

  • move protocol.*.json to neo/data/
  • move prompt.py and other scripts to neo/bin
  • default chain data path is now in ~/.neopython/Chains. prompt.log and prompt.history files are also stored there

  • the following console scripts are now on the venv path after running pip install neo-python or pip install -e . for github based installs:

    • np-prompt
    • np-api-server
    • np-bootstrap
    • np-reencrypt-wallet

  • updated docs for Pypi changes

[0.5.7] 2018-03-14

• update to neocore==0.3.8
• Fixed README reference in MANIFEST.in, add pypi badge to readme
• Add ability to specify --datadir path for where leveldb directories are stored
• Tries to auto-create Chains directory in --datadir if it doesnt exist
• Add scripts to be exported for package install. np_prompt, np_api_server, np_bootstrap, and np_reencrypt_wallet available as commands after pip install
• add protocol.*.json into data package
• move neo-privnet.wallet to neo-privnet.sample.wallet and .gitignore neo-privnet.wallet
• Change README.md to README.rst`

[0.5.4] 2018-03-14

• All requests to the API that are invalid will now receive a None for results rather than an empty list []
• update to neo-boa==0.3.7
• api-server.py: Improved logging setup. See the options with ./api-server.py -h
• Added sc-debug-notify option to the config console command. This preserves smart contract Notify() events when SC execution fails and is intended for SC debugging purposes only.
• Added VM instruction counter to ExecutionEngine.py error messages to indicate the final instruction that failed. Allows for setting conditional breakpoints to support SC debugging.
• Renamed neo.api.REST.NotificationRestApi to neo.api.REST.RestApi
• Added -v/--verbose argument to prompt.py, which makes prompt.py show smart contract events by default
• Added vm-log option to the config console command. This enabled logging of VM instructions to vm_instructions.log for debugging purposes.
• Fix multi-signature contract import to allow using a single signature
• Fix fund sending from multi-signature contract
• Added instructions on retrieving NEO TestNet funds
• Fixed issue with missing notifications/ prefix for addr call in neo/api/REST/RestApi.py
• Added neo-privnet.wallet to the project root. This is the standard wallet for private networks.
• prompt.py: When using a privnet with -p, check if chain database is correct. Renamed Chains/Priv_Notif to Chains/privnet_notif (if you need your old privnet notification db, you need to rename it manually).
• Optionally allow to use custom privnet hosts with -p (PR #312)
• Added a dependency check to Settings.py, which verifies that the installed dependencies match those in requirements.txt

[0.5.3] 2018-03-04

• add documentation for data types in neo-python
• add intructions on build, build .. test, import contract, and testinvoke to docs
• BuildNRun results now converted to ContractParameter before printed
• contract {hash} no longer throws errors when it is not an NEP5 contract
• Added method AsParameterType to ContractParameter for casting results

[0.5.1] 2018-03-02

• Documentation and Dockerfile updates for Python 3.6
• Notification API: include peer count in status
• Fix token error handling (cedde9ec)
• Added warning about wallet syncing prior to logging insufficient funds error, added IsSynced method Wallet class to check this (PR #2259)

[0.5.0] 2018-03-01

• Move to Python 3.6 (PR #270)

  • move to only python 3.6+ support
  • use new version of compiler ( neo-boa==0.3.3 ) based on python 3.6 wordcode
  • full testing of VM and all compiled smart contracts
  • adds new command TestBuild for running tests of compiled contracts

• Add Notification REST URL prefix (PR #274)
• Add api-server.py (PR #271)
• Fixed script value returned by JSON-RPC invokes (PR #268)
• Added support for additional JSON-RPC "type" parameters (PR #267)
• Updating of almost all dependencies (PR #261)
• Fixed bug with transactions consuming between 9 and 10 GAS (PR #260)
• Added automatic deploy to pypi (PR #275)
• Updated Notification REST API URLs with /v1 prefix, and some with /v1/notifications (PR #274)
• Fixed inconsistencies with JSON-RPC output values (PR #272)

[0.4.9] 2018-02-21

• wallet sync error and password fixes related to encryption changes (PR #245)
• import contract_addr and build ... test fixes (PR #237)
• Easy Coznet support(PR #239)
• ContractParameterContext fix (PR #242)
• Zero length bytearray in VM fix (PR #244)
• Wallet Encryption changes (PR #232)
• Close wallet on quit (PR #226)
• Bugfix for smart contract storage events (PR #228)

[0.4.8] 2018-02-15

• Fix Gas Cost Calculation (PR #220)
• Clarify message for token mint command (PR #212)
• Troubleshooting osx script (PR #208)
• Make Contract Search case insensitive (PR #207)
• implement a more robust CLI command parser
• added peristence to NotificationDB for NEP5 Tokens
• upstream neocore update

[0.4.6] 2018-01-24

• Added support for StateTransaction and StateDescriptors (PR #193)
• Allow multiple open wallets (PR #185)
• Added ability to include transaction attributes with the send command. example: send neo APRgMZHZubii29UXF9uFa6sohrsYupNAvx 10 --tx-attr={'usage':241,'data':'My Remark'} (PR #184)
• Notification REST API (PR #177, examples/notification-rest-api-server.py)
• Minor cleanups and documentation updates

[0.4.5] 2018-01-18

• updated neo-boa to 0.2.2, added support for array REMOVE VM opcodes
• moved core functions to neocore
• better LevelDB support for OSX
• dependency udates
• Makefile with some useful commands
• ability to claim GAS from SC address
• lots of documentation
• various small bugfixes

[0.4.3] 2017-12-21

• updated neo-boa to 0.2.1
• added support for array REVERSE and APPEND VM opcodes

[0.4.2] 2017-12-18

• updated neo-boa to 0.2.0
• added support for debug storage

[0.4.1] 2017-12-15

• added support for runtime notifications from verification contracts
• added support for checking verification during mintTokens invoke
• updated prompt help
• added additional SC Api ( Neo.Runtime.GetTime, Neo.Transaction.GetUnspentCoins, Neo.Header.GetIndex)
• added support for dynamically defined smart contract execution
• added ability to alias an address in the wallet
• added support for pip versions >= 10.0