- Added file lock using proper-lockfile module to prevent data corruption when multiple shares are queued to write at the same time
- Fixed: sinkShares Table num value throwing error when random number is negative. (Updated 'num' column to Unsigned)
- Changed INT_MIN, INT_MAX to UNSIGNED_INT_MIN, UNSIGNED_INT_MAX
- Added: support for multi-instance in keys module
- Fixed: index_dir and prime_file throwing error on startup
- Added: on init, create index directory if not exist
- Fixed: sink_chest. pick and active_pick returning undefined sometimes
- Fixed: various syntax bugs
Keys module
- Private keys of node and sinks (shares) are managed by keys module
- sink_chest is moved here
- Seperate sinkIDs for each service
Sink Private key security improvements
- Shares are stored as index in SQL
- Indexes are mapped with sinkIDs in file system
- File is shuffled on interval
- Every file data is stored in encrypted format
Other changes
- changes required for the above
- RefundTransact is now dedicated to Convert service only (as every service has diff sinkID)
- moved periodicProcess to background.js
- deduce BTC fee from users
- If timeout rejected tx are confirmed, refund the asset
- Blockchain bond and Bob's fund withdraw now sends equivalent BTC to users (via BTC blockchain)
- Fixed minor bugs
- Changed toFixed (fn to limit the decimal) to toStandardDecimal (set_global.js)
- Adding rate column to DirectConvert table to store the rate of conversion
- Fixed: withdrawConvertFundCurrency not working correctly
- Fixed: closeBlockchainBond and closeBobsFundInvestment syntax bugs
- Adding request_timeout after with convert request will expire if tx from user is still unconfirmed
- Fixed: conversion result value has more than 8 decimal places
- Fixed minor syntax bugs
- Updated btcOperator
- Changed all BIT to TINYINT in SQL schema
- Fixed: "Public key missing" error in deposit/withdraw convert fund
- Updated btcOperator
- Fixed: btcOperator not imported in index.html and main.js
- Renamed all `status` columns to `r_status`
- r_status uses INT instead of VARCHAR
- status-codes are used instead of strings
- Codes for status and modes can be found at floExchangeAPI.processCode
- Merged DepositCoin, WithdrawCoin, DepositToken, WithdrawToken into VaultTransactions so that all deposit/withdraw transactions can be viewed in order
- Updated relevant SQL syntaxes for the above
- Converted all multi-valued placeholders in SQL queries to array based placeholders
- Fixed minor bugs
- Reject request when not enough fund is available to convert.
- MIN_FUND is the minimum fund that should be reserved.
- Add funds for conversion via adminID
- Added: Refund feature
- Automate a refund on currency when convertToCoin request is made when fund is insufficient
- ConvertFrom now accepts an non-broadcasted tx_hex from user and broadcast it when convert fund is available. (if convert fund is insufficient, then tx is not broadcasted)
- Fixed: Trade balance not updated correctly
- Fixed: sell-chips were not checked correctly on placing sell orders
- Fixed: sell-chips not added when distributed
- Fixed: sell-chips (FLO) not added when deposited by launch-seller
- Fixed various bugs
- initialPrice will be added to priceHistory table (initially)
Changes to remove ambiguity of data during backup system
- Converted all Float and Decimal to DECIMAL(16, 8)
- Converted Datetime to Timestamp
- Fixed: Storing time data in backup
- Users can only sell when enough sell-chips (for asset) are available.
- sell-chips are obtained by
. buying assets
. receiving asset from distributor
. deposit (FLO only) as launch-seller (maximum of 1 million)
- Updated coupling for the requirement
- Improved getBestSeller and getBestBuyer: Directly fetch from SQL query
- Removed group.js (moved required functions to market.js)
- Updated SQL schema
- Fixed: transferToken not processed by server
- blockchainReCheck stops and adds itself to Timeout callback when sinkID is not loaded (uses MINI_PERIOD_INTERVAL = PERIOD_INTERVAL/10 for timeout ms)
- Fixed: confirmDepositFLO - asset attribute missing in SQL syntax
- When sinkID is not loaded, cancel check for confirmDepositFLO and confirmDepositToken
- Fixed: Incorrect receiver (sinkID) bug in confirmDepositFLO.checkTx
- Uncommented loaded, received, retrived sink logs
- Changed (SQL schema) sign field in RequestLog table to VARCHAR(160)
- Fixed: minor syntax errors and typos bugs
- receiver parameter now requires an object in the format
{floID1: amount1, floID2: amount2 ...}
- Transaction hash (id) for both trade and transfer transactions are now generated using SHA of JSON-string object
- Updated schema for one-to-many TransferTransactions
- Users can directly login or request without the need for user registration.
- Users can sign the requests either directly with own privateKey or by using a proxy
- Request's timestamp will be checked for Sign expiry.
- Request's sign will be checked for duplication.
- Cash table update will try to insert if record is not there
- Request Log table will also store a boolean value for sign by proxy or not
- Updated the SQL schema for the above changes.
Transfer tokens
- Added transferToken: Users can directly transfer tokens (including FLO) to other registered users.
- Updated schema changes for the above requirement.
- Trade transactions and transfer transactions will generate a txid (using SHA256).
Other changes
- changed all signing type to lowercase
- Fixed: Buy/sell order placement not working in UI
- Fixed: Buy order placement not checking the cash balance properly
- Fixed: Re-sync not working properly
. (Master) Typo in SQL syntax
. (Master) Incorrect index of data sent by master
. (Slave) Invalid request send when requesting re-sync
- Removed counts for add, delete packets and total-add (As resync uses diff count)
- Removed: Immutable table-type (Previously immutable tables are now considered as mutable tables in backup feature)
- Backup sync-data from master are temporally cached and then processed after receiving all sync-data
- Backup sync-data from cache are now processed in ordered manner (to prevent foreign key constrain error, repeated data, re-adding a deleted data)
- Updated SQL Schema
- Fixed: SQL schema asset foreign key incorrectly referenced
- Fixed: initial rate of asset not loading correctly from DB
- Fixed: get-rate API returning [object Object] instead of rates
- Fixed: Bug where transaction-loop happens with 0 quantity
- Improved: spendAsset to use assets NULL/Non-NULL base correctly
- Fixed: minor typos, syntax errors and SQL query errors
User-pages:
- Added: UI fields for assets in Buy/Sell orders
- Updated: UI display of correct asset in listing orders and transactions
- Updated: localStorage keys are prefixed 'exchange-'
- Fixed: Rates and Balance amount not displayed correctly
Others:
- Added: temporary code for tracing output lines in set_globals.js (commented out by default)
- Read blockchain for asset's initial price
- Transfer all tokens to new sink on master transfer
Other Improvements:
- Slave: close existing backup sync when master WS closes
- Updated SQL schema, updated SQL syntax as required
2 types of property:
1. Cash - main/central currency used for trading
2. Asset - (FLO/tokens) Can be brought or sold in the exchange market .
- Allow multiple tokens to act as asset in addition to FLO.
- Changes required for the above in deposits, withdraws, placing orders
- some code optimization in market.js
- Updated SQL schema
- Run multiple nodes in the same directory with diff config files
- pass the env variable 'I' (optional) to run a diff node instance with config file config<I>.json (also uses keys<I>.json)
- Updated setup files
- Fixed bugs in SQL schema
Store the following values upon successful transaction
- Timestamp
- Quanity, unit value, total cost
- Old/New Balance of Rupee and FLO for both seller and buyer
- All floID based columns (floID, seller, buyer) are now foreign keys with reference to User.floID
- tag in Tags table is now referred to tag in TagList
- Indicate the error when adding user tags via API
- load init price from DB if possible, else fetch from API
- store the price history in DB every 1 hr
- get the 24hr-past-rate from DB
- update the last tx timestamp upon successful transaction
- added priceHistory table to SQL schema and backup
- Fixed: error caused during inputRupee
- Passing timezone UTC in DB connection for uniformity between main server and backups.
- Changed single-line comments to multi-line comments in schema.sql
- Addng truncateAll.sql: can be used to clear the database (data only).
- Adding setup files to configure, set password.
- Private key will now be stored in encrypted shares. Password will be required for running the server.
- Automated creation of MySQL schema.
- Making floGlobals common for both server and client.
- Fixed a minor bug in database.js
