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| 1 | +# @solana/accounts |
| 2 | + |
| 3 | +## 2.0.0-preview.2 |
| 4 | + |
| 5 | +### Patch Changes |
| 6 | + |
| 7 | +- The first Technology Preview of `@solana/web3.js` 2.0 was [released at the Breakpoint conference](https://www.youtube.com/watch?v=JUJtAPhES5g) in November 2023. Based on your feedback, we want to get a second version of it into your hands now with some changes, bug fixes, and new features. |
| 8 | + |
| 9 | + To install the second Technology Preview: |
| 10 | + |
| 11 | + ```shell |
| 12 | + npm install --save @solana/web3.js@tp2 |
| 13 | + ``` |
| 14 | + |
| 15 | + Most notably, this release integrates with the new JavaScript client generator for on-chain programs. Instruction creators and account decoders can now be autogenerated for any program, including your own! Read more [here](https://github.com/solana-program/create-solana-program), and check out the growing list of autogenerated core programs [here](https://www.npmjs.com/search?q=%40solana-program). |
| 16 | + |
| 17 | + Try a demo of Technology Preview 2 in your browser at https://sola.na/web3tp2demo. |
| 18 | + |
| 19 | + - Renamed `Base58EncodedAddress` to `Address` (#1814) [63683a4bc](https://github.com/solana-labs/solana-web3.js/commit/63683a4bc) |
| 20 | + - Renamed `Ed25519Signature` and `TransactionSignature` to `SignatureBytes` and `Signature` (#1815) [205c09268](https://github.com/solana-labs/solana-web3.js/commit/205c09268) |
| 21 | + - Fixed return type of `getSignaturesForAddress` (#1821) [36c7263bd](https://github.com/solana-labs/solana-web3.js/commit/36c7263bd) |
| 22 | + - `signTransaction` now asserts that the transaction is fully signed; added `partiallySignTransaction` that does not (#1820) [7d54c2dad](https://github.com/solana-labs/solana-web3.js/commit/7d54c2dad) |
| 23 | + - The `@solana/webcrypto-ed25519-polyfill` now sets the `crypto` global in Node [17a54d24a](https://github.com/solana-labs/solana-web3.js/commit/17a54d24a) |
| 24 | + - Added `assertIsBlockhashLifetimeTransaction` that asserts transaction has a blockhash lifetime (#1908) [ae94ca38d](https://github.com/solana-labs/solana-web3.js/commit/ae94ca38d) |
| 25 | + - Added a `createPrivateKeyFromBytes` helper (#1913) [85b7dfe13](https://github.com/solana-labs/solana-web3.js/commit/85b7dfe13) |
| 26 | + - Added `@solana/accounts`; types and helper methods for representing, fetching and decoding Solana accounts (#1855) [e1ca3966e](https://github.com/solana-labs/solana-web3.js/commit/e1ca3966e) |
| 27 | + - Export the TransactionError type (#1964) [4c009bf5b](https://github.com/solana-labs/solana-web3.js/commit/4c009bf5b) |
| 28 | + - Export all RPC method XApi types from `@solana/rpc-core` (#1965) [ed98b3d9c](https://github.com/solana-labs/solana-web3.js/commit/ed98b3d9c) |
| 29 | + - Added a generic `createJsonRpcApi` function for custom APIs [1e2106f21](https://github.com/solana-labs/solana-web3.js/commit/1e2106f21) |
| 30 | + - Added a generic `createJsonRpcSubscriptionsApi` function for custom APIs [ae3f1f087](https://github.com/solana-labs/solana-web3.js/commit/ae3f1f087) |
| 31 | + - RPC commitment now defaults to `confirmed` when not explicitly specified [cb7702ca5](https://github.com/solana-labs/solana-web3.js/commit/cb7702ca5) |
| 32 | + - Added `ClusterUrl` types and handlers (#2084) [61f7ba0](https://github.com/solana-labs/solana-web3.js/commit/61f7ba0) |
| 33 | + - RPC transports can now be cluster-specific, ie. `RpcDevnet<TRpcMethods>` & `RpcSubscriptionsDevnet<TRpcMethods>` (#2053) [e58bb22](https://github.com/solana-labs/solana-web3.js/commit/e58bb22), (#2056) [cbf8f38](https://github.com/solana-labs/solana-web3.js/commit/cbf8f38) |
| 34 | + - RPC APIs can now be cluster-specific, ie. `SolanaRpcMethodsDevnet` (#2054) [5175d8a](https://github.com/solana-labs/solana-web3.js/commit/5175d8a) |
| 35 | + - Added cluster-level RPC support for `@solana/web3.js` (#2055) [5a6335d](https://github.com/solana-labs/solana-web3.js/commit/5a6335d), (#2058) [0e03ca9](https://github.com/solana-labs/solana-web3.js/commit/0e03ca9) |
| 36 | + - Added `@solana/signers`; an abstraction layer over signing messages and transactions in Solana (#1710) [7c29a1e](https://github.com/solana-labs/solana-web3.js/commit/7c29a1e) |
| 37 | + - Updated codec such that only one instance of `Uint8Array` is created when encoding data. This allows `Encoders` to set data at different offsets and therefore enables non-linear serialization (#1865) [7800e3b](https://github.com/solana-labs/solana-web3.js/commit/7800e3b) |
| 38 | + - Added `FixedSize*` and `VariableSize*` type variants for `Codecs`, `Encoders` and `Decoders` (#1883) [5e58d5c](https://github.com/solana-labs/solana-web3.js/commit/5e58d5c) |
| 39 | + - Repaired some inaccurate RPC method signatures (#2137) [bb65ba9](https://github.com/solana-labs/solana-web3.js/commit/bb65ba9) |
| 40 | + - Renamed transaction/airdrop sender factories with the ‘Factory’ suffix (#2130) [2d1d49c](https://github.com/solana-labs/solana-web3.js/commit/2d1d49c5467e5cb13871067c3dc0f9c87f007b9f) |
| 41 | + - All code now throws coded exceptions defined in `@solana/errors` which can be refined using `isSolanaError()` and decoded in production using `npx @solana/errors decode` (#2160) [3524f2c](https://github.com/solana-labs/solana-web3.js/commit/3524f2c583dbc663cf6dcb73a01b0beed6cfd136), (#2161) [94944b](https://github.com/solana-labs/solana-web3.js/commit/94944b65b9d957ca95653d66dc1f4805f1a36740), (#2213) [8541c2e](https://github.com/solana-labs/solana-web3.js/commit/8541c2ef860535514fa39c4b9a6a75276417ffaa), (#2220) [c9b2705](https://github.com/solana-labs/solana-web3.js/commit/c9b2705318724bbccb05efdb1ddc088dd82921b2), (#2207) [75a18e3](https://github.com/solana-labs/solana-web3.js/commit/75a18e30524078ea1e8c07133fd6c75fad357db3), (#2224) [613053d](https://github.com/solana-labs/solana-web3.js/commit/613053deab85e5a8703e241ab138ec51cc54885a), (#2226) [94fee67](https://github.com/solana-labs/solana-web3.js/commit/94fee67560faae1f41aeddb2e7c3d0d9078ab851), (#2228) [483c674](https://github.com/solana-labs/solana-web3.js/commit/483c674a8b19f146c7dba5f1eb64182f01fdcdc4), (#2235) [803b2d8](https://github.com/solana-labs/solana-web3.js/commit/803b2d88e9e39cecf18f03b2130507dea7230423), (#2236) [cf9c20c](https://github.com/solana-labs/solana-web3.js/commit/cf9c20ceed7186f5af704ee646344c42d4ec0084), (#2242) [9084fdd](https://github.com/solana-labs/solana-web3.js/commit/9084fddec79eebb9c00c70738e43b4bfb01bf352), (#2245) [e374ac6](https://github.com/solana-labs/solana-web3.js/commit/e374ac67ad48a121470d125a1d08485b8b529b2b), (#2186) [546263e](https://github.com/solana-labs/solana-web3.js/commit/546263e251c8a7b08949b01d0d51fa2398dc7fff), (#2187) [bea19d2](https://github.com/solana-labs/solana-web3.js/commit/bea19d209ea6b02351c21a878200f87da1e9b4be), (#2188) [2e0ae95](https://github.com/solana-labs/solana-web3.js/commit/2e0ae95ffc2738ae047249c7f64c46a95e9573d1), (#2189) [7712fc3](https://github.com/solana-labs/solana-web3.js/commit/7712fc32ef33bfe7f235d85d3ba2308ba6884143), (#2190) [7d67615](https://github.com/solana-labs/solana-web3.js/commit/7d67615ac1ae771810dfc544ecc17d664a0fc11d), (#2191) [0ba8f21](https://github.com/solana-labs/solana-web3.js/commit/0ba8f216d962d61e0f653404c4a9289e59712cc2), (#2192) [91a360d](https://github.com/solana-labs/solana-web3.js/commit/91a360daf5c66ac0f1bae7347298f25ae89329b2), (#2202) [a71a2db](https://github.com/solana-labs/solana-web3.js/commit/a71a2db4c35136c8650b56985bbd33c5413e1bbd), (#2286) [52a5d3d](https://github.com/solana-labs/solana-web3.js/commit/52a5d3db60e702ccf77b4d17b8a3fd388e6e8584), and more |
| 42 | + - You can now supply a custom Undici dispatcher for use with the `fetch` API when creating an RPC transport in Node (#2178) [a2fc5a3](https://github.com/solana-labs/solana-web3.js/commit/a2fc5a3fda252cccc6ee62f2f7163d1578a20113) |
| 43 | + - Added functions to assert a value is an `IInstructionWithAccounts` and IInstructionWithData` (#2212) [07c30c1](https://github.com/solana-labs/solana-web3.js/commit/07c30c14c7d5efd6121290db62fa40371f108778) |
| 44 | + - Added a function to assert an instruction is for a given program (#2234) [fb655dd](https://github.com/solana-labs/solana-web3.js/commit/fb655ddd217e4c4f55c5c8a81a08177e20ef5431) |
| 45 | + - You can now create an RPC using only a URL (#2238) [cd0b6c6](https://github.com/solana-labs/solana-web3.js/commit/cd0b6c616ded7d1fdee33e33d3e44ce9bce48cef), (#2239) [fc11993](https://github.com/solana-labs/solana-web3.js/commit/fc119937ade7e46f487c99f254ff5a874e524c2c) |
| 46 | + - You can now resize codec with the `resizeCodec` helper (#2293) [606de63](https://github.com/solana-labs/solana-web3.js/commit/606de638e21eebd0535806dee445e6d046cfb074) |
| 47 | + - You can now skip bytes while writing byte buffers using the `offsetCodec` helper (#2294) [09d8cc8](https://github.com/solana-labs/solana-web3.js/commit/09d8cc815d133d70da0db93c9a0c0092e0d9a929) |
| 48 | + - You can now now pad the beginning or end of byte buffers using the `padLeftCodec` and `padRightCodec` helpers (#2314) [f9509c7](https://github.com/solana-labs/solana-web3.js/commit/f9509c77dd6ec92357edbbe18acbb76c5a33e4b2) |
| 49 | + - Added a new `@solana/sysvars` package for fetching, decoding, and building transactions with sysvar accounts (#2041) |
| 50 | +
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| 51 | +- Updated dependencies [[`0546a8c`](https://github.com/solana-labs/solana-web3.js/commit/0546a8ce95b6852324d58bb32ac31480506193a7)]: |
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