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RPC: Limit getProgramAccounts memcpy filter string to 128 bytes (bp #15483) (#15490)

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* Limit getProgramAccounts memcpy filter string to 128 bytes

(cherry picked from commit 65f1afe5e1)

* Limit the number of getProgramAccounts filters

(cherry picked from commit 4b0114b991)

Co-authored-by: Michael Vines <mvines@gmail.com>
This commit is contained in:
mergify[bot]
2021-02-23 19:57:46 +00:00
committed by GitHub
parent e5bb1597a4
commit e255c85bef
4 changed files with 56 additions and 10 deletions
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8
docs/src/developing/clients/jsonrpc-api.md
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@@ -207,7 +207,7 @@ Returns all information associated with the account of provided Pubkey
fields:
- (optional) [Commitment](jsonrpc-api.md#configuring-state-commitment)
- `encoding: <string>` - encoding for Account data, either "base58" (*slow*), "base64", "base64+zstd", or "jsonParsed".
"base58" is limited to Account data of less than 128 bytes.
"base58" is limited to Account data of less than 129 bytes.
"base64" will return base64 encoded data for Account data of any size.
"base64+zstd" compresses the Account data using [Zstandard](https://facebook.github.io/zstd/) and base64-encodes the result.
"jsonParsed" encoding attempts to use program-specific state parsers to return more human-readable and explicit account state data. If "jsonParsed" is requested but a parser cannot be found, the field falls back to "base64" encoding, detectable when the `data` field is type `<string>`.
@@ -1649,7 +1649,7 @@ Returns the account information for a list of Pubkeys
- `<object>` - (optional) Configuration object containing the following optional fields:
- (optional) [Commitment](jsonrpc-api.md#configuring-state-commitment)
- `encoding: <string>` - encoding for Account data, either "base58" (*slow*), "base64", "base64+zstd", or "jsonParsed".
"base58" is limited to Account data of less than 128 bytes.
"base58" is limited to Account data of less than 129 bytes.
"base64" will return base64 encoded data for Account data of any size.
"base64+zstd" compresses the Account data using [Zstandard](https://facebook.github.io/zstd/) and base64-encodes the result.
"jsonParsed" encoding attempts to use program-specific state parsers to return more human-readable and explicit account state data. If "jsonParsed" is requested but a parser cannot be found, the field falls back to "base64" encoding, detectable when the `data` field is type `<string>`.
@@ -1796,7 +1796,7 @@ Returns all accounts owned by the provided program Pubkey
- `<object>` - (optional) Configuration object containing the following optional fields:
- (optional) [Commitment](jsonrpc-api.md#configuring-state-commitment)
- `encoding: <string>` - encoding for Account data, either "base58" (*slow*), "base64", "base64+zstd", or "jsonParsed".
"base58" is limited to Account data of less than 128 bytes.
"base58" is limited to Account data of less than 129 bytes.
"base64" will return base64 encoded data for Account data of any size.
"base64+zstd" compresses the Account data using [Zstandard](https://facebook.github.io/zstd/) and base64-encodes the result.
"jsonParsed" encoding attempts to use program-specific state parsers to return more human-readable and explicit account state data. If "jsonParsed" is requested but a parser cannot be found, the field falls back to "base64" encoding, detectable when the `data` field is type `<string>`.
@@ -1806,7 +1806,7 @@ Returns all accounts owned by the provided program Pubkey
##### Filters:
- `memcmp: <object>` - compares a provided series of bytes with program account data at a particular offset. Fields:
- `offset: <usize>` - offset into program account data to start comparison
- `bytes: <string>` - data to match, as base-58 encoded string
- `bytes: <string>` - data to match, as base-58 encoded string and limited to less than 129 bytes
- `dataSize: <u64>` - compares the program account data length with the provided data size