v1.16.0

• Support asset operations for confidential contract
• Support confidential data for WASM smart contract
• Error text of WASM contracts in ExecutedContract Transaction
• Update WEVM to version 0.4.1
• Added possibility to use Alias in methods where only Address was used
• Fixed balance field type in the following handles:
  • GET /contracts/balance/{contractId}
  • GET /contracts/asset-balance/{contractId}/{assetId}
  • POST /contracts/asset-balances
• Minor fixes and refactoring

1.15.0

• Support confidential contract transactions in atomic containers
• Bug fix in BlockchainEventsService

1.14.1

• Mainnet bad migration fix
• Update WEVM to version 0.2.2

1.14.0

• Support WASM Smart-Contracts (see WEVM v0.2.1 and WASM)
• Support storage of failed transaction executions (see ExecutedContractTransactionV5)
• Refactored ContractInfo
• Fixed CircuitBreaker behavior in atomics
• Minor fixes and refactoring.

1.13.1

• Mainnet bad migration fix

1.13.0

• Support confidential data for Smart-Contracts
• Improved validation for API:
  • GET /debug/stateWE/{height}
    • GET /contracts/balance/details/{contractId}
    • POST /addresses/verifyText/{address}
    • GET /consensus/minersAtHeight/{height}
    • POST /addresses/verifyText/{address}
• A lot of minor fixes and refactoring.

1.12.3

• Added possiblity to create/cancel leasing in contract transactions (via ContractLease/ContractCancelLease in assetOpearations)

1.12.2

• Extended range of supported transactions in atomic containers:
  • Issue, Reissue, Burn, Lease, LeaseCancel, Data, MassTransfer, RegisterNode, CreateAlias, SponsorFee;
• Implemented a new method to query policyDataHash transactions by policy id;
• Fixed GET /assets/balance-v2/{address} response for name field;
• Fixed GET /blocks/seq/{from}/{to} invalid interval handling;
• Fixed hanging transaction in UTX after circuit breaker state transition from half-open to open;
• Minor logging and swagger fixes.

1.12.1

• Features:
  • Smart-contracts receive current block information along with the transaction to execute;
  • A new method to query contract's balance in gRPC API;
  • Quorum calculation has changed — only miners are counted;
• Fixes:
  • Account generator can handle non-existing path to the wallet;
  • Mining of CreateContract transaction with "majority" validation policy;
  • Node configuration mode via CONFIGNAME_AS_HOSTNAME ENV variable;
  • Network connection limit calculation;
  • Error-handling behaviour of a validator on failing atomic tx with contracts;
• Improvements:
  • Outdated validation results are no longer broadcasted and processed;
  • Validator optimised by limiting the number of transactions validations within a micro-block;
  • New metrics for circuit breaker and mvcc conflicts, better metrics for miner, validator and UTX;
  • owner_address attribute added for better logging;

1.12.0

• Support native token operations for Smart-Contracts:
  • Smart-Contracts can issue/reissue/burn/transfer assets;
  • Smart-Contracts now have their own balance and can receive assets from users via Create or Call transactions;
  • new operations support parallel execution (via MVCC);
• Removed deprecated features:
  • Older REST-based Smart-Contracts will be EOL (end-of-life) after '1120' feature is activated;
  • Removed sender field from proto-message ContractExecutionResponse, see util_contract_status_service.proto;
• New Smart-Contract gRPC API methods for reading block headers, see contract_block_service.proto;
• Faster first start docker container contract for Smart-contracts execution;
• Privacy engine changes:
  • optimized data loading mechanism from peers;
  • improved security;
• Enhanced error handling for transactions in UTX;
• Added scratch docker image for node;
• A lot of minor fixes and refactoring.