Release Details

1. design a number of contracts to support new functionalities
2. add support for BigInt data type
3. add OPC for converting between numerical data types
4. add OPC for the sqrt operation
5. add OPC for if statement

Release Information

1. new contract related transactions will be activated on height 18030000 (Testnet) and 25416184 (Mainnet)
2. database update
   a. users can use the old database (v0.3.1 later) and restart the service by using version v0.4.2. (if node need the extra state features, please use solution b)
   b. if full node users need a clean start, please re-sync the whole database.
3. this release is only for V Systems both Testnet and Mainnet users

Description

Several new contracts and related contract systems upgrade.

Swap contracts

1. V Atomic Swap
2. V Swap (automated market maker implementation)
3. V Stable Swap (liquidity pool with set price)

Second version tokens contract

1. token V2
2. NFT v2

Other contracts

1. V Escrow (escrow service contract)
2. V Option (emulates traditional options)

Sha256 Checksums

8bc05ea0b94eba15a198c65499be4314600cee00eb799820b413432471d55c8e => v-systems-0.4.2.jar
ca73e0a2b7a25a9ba851f73783fa5c9bfdc18dc74166e5273b689046330e5fe8 => v_systems_0.4.2_mainnet.deb
8eabf4a46df11883ede910e4bd1b7e725385c75ce33281ac158c8907fd03405c => v_systems_0.4.2_testnet.deb