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66 lines
2.6 KiB
Markdown
66 lines
2.6 KiB
Markdown
# Changelog
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This document outlines major changes between releases.
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## 0.90.0 "Tantalization" (14 July 2020)
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The first Neo 3 compatible release of neo-go! We've targeted to make it
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compatible with preview2 release of Neo 3, so it only contains features
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available there, but at the same time this makes the node more useful until we
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have some more up to date reference version. It's a completely different
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network, so almost everything has changed and it's hard to describe it with
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the same level of details we usually do (but we'll provide them for subsequent
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releases where the changeset is going to be lower in size). Please note that
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this is a preview-level release and there won't be long-term support provided
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for it, Neo 3 is evolving and the next release won't be compatible with this
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one.
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Main Neo 3 features in this release:
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* no UTXO
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* native contracts
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* new VM
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* scoped witnesses for transaction
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* updated interop/syscalls set
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* contract manifests
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* more efficient P2P protocol
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Things that have also changed:
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* transaction format
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* block format
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* address format
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* wallets
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* RPC protocol
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* notification subsystem
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* executable format output for compiler
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Compatibility level of this neo-go release:
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* identical storage changes compared to C# node for 378K blocks of preview2
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testnet
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* debugging info produced is compatible with preview2-compatible neo-debugger
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* running consensus nodes in heterogeneous setup is possible (2 neo-go CNs
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with 2 C# CNs, for example)
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Changes specific to neo-go:
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* some CLI parameters like wallet path or RPC endpoint URL have been unified
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across all commands and thus have changed in some of them (refer to CLI
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help for details)
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* as an extension we support post-preview2 cosigners parameter for
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invokefunction RPC calls (see neo-project/neo-modules#260)
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* Go compiler now supports comparisons with nil properly
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* we no longer provide bootstrapping 6k block dump for private networks, you
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have 30000000 GAS right in the genesis block and it's not hard to make use
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of it (see
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[neo-go-sc-wrkshp](https://github.com/nspcc-dev/neo-go-sc-wrkshp) for an
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example of how to use it)
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* we have a conversion tool for your old Neo 2 wallets (`wallet convert`
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command), so you can reuse keys on Neo 3 networks
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* util.Equals interop function may not function the way you expect it to due
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to Neo VM changes, it still is an EQUAL opcode though. This interop may be
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removed in the future.
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## Older versions
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Please refer to the [master-2.x branch
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CHANGELOG](https://github.com/nspcc-dev/neo-go/tree/master-2.x/CHANGELOG.md)
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for versions prior to 0.90.0 (that are Neo 2 compatible, unlike 0.90.0+ that
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are Neo 3 compatible).
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