311 lines
19 KiB
Python
311 lines
19 KiB
Python
# # ⚠ Warning
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
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# LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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# NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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# [🥭 Mango Markets](https://mango.markets/) support is available at:
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# [Docs](https://docs.mango.markets/)
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# [Discord](https://discord.gg/67jySBhxrg)
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# [Twitter](https://twitter.com/mangomarkets)
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# [Github](https://github.com/blockworks-foundation)
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# [Email](mailto:hello@blockworks.foundation)
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import argparse
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import copy
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import logging
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import os
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import typing
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from decimal import Decimal
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from solana.publickey import PublicKey
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from .client import BetterClient
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from .constants import MangoConstants, DATA_PATH
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from .context import Context
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from .idsjsonmarketlookup import IdsJsonMarketLookup
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from .instrumentlookup import InstrumentLookup, CompoundInstrumentLookup, IdsJsonTokenLookup, NonSPLInstrumentLookup, SPLTokenLookup
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from .marketlookup import CompoundMarketLookup, MarketLookup
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from .serummarketlookup import SerumMarketLookup
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# # 🥭 ContextBuilder
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#
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# ## Environment Variables
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#
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# It's possible to override the values in the `Context` variables provided. This can be easier than creating
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# the `Context` in code or introducing dependencies and configuration.
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#
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# The following environment variables are read:
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# * NAME
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# * CLUSTER
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# * CLUSTER_URL
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# * GROUP_NAME
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# * GROUP_ADDRESS
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# * MANGO_PROGRAM_ADDRESS
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# * SERUM_PROGRAM_ADDRESS
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# # 🥭 ContextBuilder class
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#
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# A `ContextBuilder` class to allow building `Context` objects without introducing circular dependencies.
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#
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class ContextBuilder:
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# Configuring a `Context` is a common operation for command-line programs and can involve a
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# lot of duplicate code.
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#
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# This function centralises some of it to ensure consistency and readability.
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#
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@staticmethod
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def add_command_line_parameters(parser: argparse.ArgumentParser) -> None:
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parser.add_argument("--name", type=str, default="Mango Explorer",
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help="Name of the program (used in reports and alerts)")
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parser.add_argument("--cluster-name", type=str, default=None, help="Solana RPC cluster name")
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parser.add_argument("--cluster-url", type=str, action="append", default=[],
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help="Solana RPC cluster URL (can be specified multiple times to provide failover when one errors)")
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parser.add_argument("--group-name", type=str, default=None, help="Mango group name")
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parser.add_argument("--group-address", type=PublicKey, default=None, help="Mango group address")
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parser.add_argument("--mango-program-address", type=PublicKey, default=None, help="Mango program address")
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parser.add_argument("--serum-program-address", type=PublicKey, default=None, help="Serum program address")
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parser.add_argument("--skip-preflight", default=False, action="store_true", help="Skip pre-flight checks")
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parser.add_argument("--commitment", type=str, default=None,
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help="Commitment to use when sending transactions (can be 'finalized', 'confirmed' or 'processed')")
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parser.add_argument("--encoding", type=str, default=None,
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help="Encoding to request when receiving data from Solana (options are 'base58' (slow), 'base64', 'base64+zstd', or 'jsonParsed')")
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parser.add_argument("--blockhash-cache-duration", type=int,
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help="How long (in seconds) to cache 'recent' blockhashes")
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parser.add_argument("--stale-data-pause-before-retry", type=Decimal,
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help="How long (in seconds, e.g. 0.1) to pause after retrieving stale data before retrying")
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parser.add_argument("--stale-data-maximum-retries", type=int,
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help="How many times to retry fetching data after being given stale data before giving up")
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parser.add_argument("--gma-chunk-size", type=Decimal, default=None,
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help="Maximum number of addresses to send in a single call to getMultipleAccounts()")
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parser.add_argument("--gma-chunk-pause", type=Decimal, default=None,
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help="number of seconds to pause between successive getMultipleAccounts() calls to avoid rate limiting")
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parser.add_argument("--token-data-file", type=str, default=SPLTokenLookup.DefaultDataFilepath,
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help="data file that contains token symbols, names, mints and decimals (format is same as https://raw.githubusercontent.com/solana-labs/token-list/main/src/tokens/solana.tokenlist.json)")
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# This function is the converse of `add_command_line_parameters()` - it takes
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# an argument of parsed command-line parameters and expects to see the ones it added
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# to that collection in the `add_command_line_parameters()` call.
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#
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# It then uses those parameters to create a properly-configured `Context` object.
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#
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@staticmethod
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def from_command_line_parameters(args: argparse.Namespace) -> Context:
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name: typing.Optional[str] = args.name
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cluster_name: typing.Optional[str] = args.cluster_name
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cluster_urls: typing.Optional[typing.Sequence[str]] = args.cluster_url
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group_name: typing.Optional[str] = args.group_name
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group_address: typing.Optional[PublicKey] = args.group_address
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mango_program_address: typing.Optional[PublicKey] = args.mango_program_address
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serum_program_address: typing.Optional[PublicKey] = args.serum_program_address
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skip_preflight: bool = bool(args.skip_preflight)
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commitment: typing.Optional[str] = args.commitment
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encoding: typing.Optional[str] = args.encoding
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blockhash_cache_duration: typing.Optional[int] = args.blockhash_cache_duration
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stale_data_pause_before_retry: typing.Optional[Decimal] = args.stale_data_pause_before_retry
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stale_data_maximum_retries: typing.Optional[int] = args.stale_data_maximum_retries
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gma_chunk_size: typing.Optional[Decimal] = args.gma_chunk_size
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gma_chunk_pause: typing.Optional[Decimal] = args.gma_chunk_pause
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token_filename: str = args.token_data_file
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# Do this here so build() only ever has to handle the sequence of retry times. (It gets messy
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# passing around the sequnce *plus* the data to reconstruct it for build().)
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actual_stale_data_pauses_before_retry: typing.Sequence[float]
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if stale_data_maximum_retries == 0:
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# Stale data checking is explicitly disabled
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actual_stale_data_pauses_before_retry = []
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else:
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retries: int = stale_data_maximum_retries or 10
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pause: Decimal = stale_data_pause_before_retry or Decimal("0.1")
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actual_stale_data_pauses_before_retry = [float(pause)] * retries
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context: Context = ContextBuilder.build(name, cluster_name, cluster_urls, skip_preflight, commitment,
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encoding, blockhash_cache_duration,
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actual_stale_data_pauses_before_retry,
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group_name, group_address, mango_program_address,
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serum_program_address, gma_chunk_size, gma_chunk_pause,
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token_filename)
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logging.debug(f"{context}")
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return context
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@staticmethod
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def default() -> Context:
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return ContextBuilder.build()
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@staticmethod
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def from_group_name(context: Context, group_name: str) -> Context:
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return ContextBuilder.build(context.name, context.client.cluster_name, context.client.cluster_urls,
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context.client.skip_preflight, context.client.commitment,
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context.client.encoding, context.client.blockhash_cache_duration,
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context.client.stale_data_pauses_before_retry,
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group_name, None, None, None,
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context.gma_chunk_size, context.gma_chunk_pause,
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SPLTokenLookup.DefaultDataFilepath)
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@staticmethod
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def forced_to_devnet(context: Context) -> Context:
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cluster_name: str = "devnet"
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cluster_url: str = MangoConstants["cluster_urls"][cluster_name]
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fresh_context = copy.copy(context)
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fresh_context.client = BetterClient.from_configuration(context.name,
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cluster_name,
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[cluster_url],
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context.client.commitment,
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context.client.skip_preflight,
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context.client.encoding,
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context.client.blockhash_cache_duration,
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context.client.stale_data_pauses_before_retry,
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context.client.instruction_reporter)
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return fresh_context
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@staticmethod
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def forced_to_mainnet_beta(context: Context) -> Context:
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cluster_name: str = "mainnet"
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cluster_url: str = MangoConstants["cluster_urls"][cluster_name]
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fresh_context = copy.copy(context)
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fresh_context.client = BetterClient.from_configuration(context.name,
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cluster_name,
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[cluster_url],
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context.client.commitment,
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context.client.skip_preflight,
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context.client.encoding,
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context.client.blockhash_cache_duration,
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context.client.stale_data_pauses_before_retry,
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context.client.instruction_reporter)
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return fresh_context
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@staticmethod
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def build(name: typing.Optional[str] = None, cluster_name: typing.Optional[str] = None,
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cluster_urls: typing.Optional[typing.Sequence[str]] = None, skip_preflight: bool = False,
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commitment: typing.Optional[str] = None, encoding: typing.Optional[str] = None,
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blockhash_cache_duration: typing.Optional[int] = None,
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stale_data_pauses_before_retry: typing.Optional[typing.Sequence[float]] = None,
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group_name: typing.Optional[str] = None, group_address: typing.Optional[PublicKey] = None,
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program_address: typing.Optional[PublicKey] = None, serum_program_address: typing.Optional[PublicKey] = None,
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gma_chunk_size: typing.Optional[Decimal] = None, gma_chunk_pause: typing.Optional[Decimal] = None,
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token_filename: str = SPLTokenLookup.DefaultDataFilepath) -> "Context":
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def __public_key_or_none(address: typing.Optional[str]) -> typing.Optional[PublicKey]:
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if address is not None and address != "":
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return PublicKey(address)
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return None
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# The first group is only used to determine the default cluster if it is not otherwise specified.
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first_group_data = MangoConstants["groups"][0]
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actual_name: str = name or os.environ.get("NAME") or "Mango Explorer"
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actual_cluster: str = cluster_name or os.environ.get("CLUSTER_NAME") or first_group_data["cluster"]
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# Now that we have the actual cluster name, taking environment variables and defaults into account,
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# we can decide what we want as the default group.
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for group_data in MangoConstants["groups"]:
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if group_data["cluster"] == actual_cluster:
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default_group_data = group_data
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break
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actual_commitment: str = commitment or "processed"
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actual_encoding: str = encoding or "base64"
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actual_blockhash_cache_duration: int = blockhash_cache_duration or 0
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actual_stale_data_pauses_before_retry: typing.Sequence[float] = stale_data_pauses_before_retry or []
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actual_cluster_urls: typing.Optional[typing.Sequence[str]] = cluster_urls
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if actual_cluster_urls is None or len(actual_cluster_urls) == 0:
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cluster_url_from_environment: typing.Optional[str] = os.environ.get("CLUSTER_URL")
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if cluster_url_from_environment is not None and cluster_url_from_environment != "":
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actual_cluster_urls = [cluster_url_from_environment]
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else:
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actual_cluster_urls = [MangoConstants["cluster_urls"][actual_cluster]]
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actual_skip_preflight: bool = skip_preflight
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actual_group_name: str = group_name or os.environ.get("GROUP_NAME") or default_group_data["name"]
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found_group_data: typing.Any = None
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for group in MangoConstants["groups"]:
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if group["cluster"] == actual_cluster and group["name"].upper() == actual_group_name.upper():
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found_group_data = group
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if found_group_data is None:
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raise Exception(f"Could not find group named '{actual_group_name}' in cluster '{actual_cluster}'.")
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actual_group_address: PublicKey = group_address or __public_key_or_none(os.environ.get(
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"GROUP_ADDRESS")) or PublicKey(found_group_data["publicKey"])
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actual_program_address: PublicKey = program_address or __public_key_or_none(os.environ.get(
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"MANGO_PROGRAM_ADDRESS")) or PublicKey(found_group_data["mangoProgramId"])
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actual_serum_program_address: PublicKey = serum_program_address or __public_key_or_none(os.environ.get(
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"SERUM_PROGRAM_ADDRESS")) or PublicKey(found_group_data["serumProgramId"])
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actual_gma_chunk_size: Decimal = gma_chunk_size or Decimal(100)
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actual_gma_chunk_pause: Decimal = gma_chunk_pause or Decimal(0)
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ids_json_token_lookup: InstrumentLookup = IdsJsonTokenLookup(actual_cluster, actual_group_name)
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instrument_lookup: InstrumentLookup = ids_json_token_lookup
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mainnet_overrides_filename = os.path.join(DATA_PATH, "overrides.tokenlist.json")
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devnet_overrides_filename = os.path.join(DATA_PATH, "overrides.tokenlist.devnet.json")
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if actual_cluster == "mainnet":
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# 'Overrides' are for problematic situations.
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#
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# We want to be able to use the community-owned SPL Token Registry JSON file. It holds details
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# of most tokens and allows our Serum code to work with any of them and their markets.
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#
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# The problems come when they decide to rename symbols, like they did with "ETH".
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#
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# Mango uses "ETH" with a mint 2FPyTwcZLUg1MDrwsyoP4D6s1tM7hAkHYRjkNb5w6Pxk and for a long time
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# the SPL JSON file also used "ETH" with a mint of 2FPyTwcZLUg1MDrwsyoP4D6s1tM7hAkHYRjkNb5w6Pxk.
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#
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# Then the SPL JSON file was updated and the mint 2FPyTwcZLUg1MDrwsyoP4D6s1tM7hAkHYRjkNb5w6Pxk now
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# has the symbol 'soETH' for 'Wrapped Ethereum (Sollet)', and "ETH" is now 'Wrapped Ether (Wormhole)'
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# with a mint of 7vfCXTUXx5WJV5JADk17DUJ4ksgau7utNKj4b963voxs.
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#
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# 'Overrides' allows us to put the details we expect for 'ETH' into our loader, ahead of the SPL
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# JSON, so that our code and users can continue to use, for example, ETH/USDT, as they expect.
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mainnet_overrides_token_lookup: InstrumentLookup = SPLTokenLookup.load(mainnet_overrides_filename)
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mainnet_spl_token_lookup: InstrumentLookup = SPLTokenLookup.load(token_filename)
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mainnet_non_spl_instrument_lookup: InstrumentLookup = NonSPLInstrumentLookup.load(
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NonSPLInstrumentLookup.DefaultMainnetDataFilepath)
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instrument_lookup = CompoundInstrumentLookup([
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ids_json_token_lookup,
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mainnet_overrides_token_lookup,
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mainnet_non_spl_instrument_lookup,
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mainnet_spl_token_lookup])
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elif actual_cluster == "devnet":
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devnet_overrides_token_lookup: InstrumentLookup = SPLTokenLookup.load(devnet_overrides_filename)
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devnet_token_filename = token_filename.rsplit('.', 1)[0] + ".devnet.json"
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devnet_spl_token_lookup: InstrumentLookup = SPLTokenLookup.load(devnet_token_filename)
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devnet_non_spl_instrument_lookup: InstrumentLookup = NonSPLInstrumentLookup.load(
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NonSPLInstrumentLookup.DefaultDevnetDataFilepath)
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instrument_lookup = CompoundInstrumentLookup([
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ids_json_token_lookup,
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devnet_overrides_token_lookup,
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devnet_non_spl_instrument_lookup,
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devnet_spl_token_lookup])
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ids_json_market_lookup: MarketLookup = IdsJsonMarketLookup(actual_cluster, instrument_lookup)
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all_market_lookup = ids_json_market_lookup
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if actual_cluster == "mainnet":
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mainnet_overrides_serum_market_lookup: SerumMarketLookup = SerumMarketLookup.load(
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actual_serum_program_address, mainnet_overrides_filename)
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mainnet_serum_market_lookup: SerumMarketLookup = SerumMarketLookup.load(
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actual_serum_program_address, token_filename)
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all_market_lookup = CompoundMarketLookup([
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ids_json_market_lookup,
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mainnet_overrides_serum_market_lookup,
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mainnet_serum_market_lookup])
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elif actual_cluster == "devnet":
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devnet_overrides_serum_market_lookup: SerumMarketLookup = SerumMarketLookup.load(
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actual_serum_program_address, devnet_overrides_filename)
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devnet_token_filename = token_filename.rsplit('.', 1)[0] + ".devnet.json"
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devnet_serum_market_lookup: SerumMarketLookup = SerumMarketLookup.load(
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actual_serum_program_address, devnet_token_filename)
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all_market_lookup = CompoundMarketLookup([
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ids_json_market_lookup,
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devnet_overrides_serum_market_lookup,
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devnet_serum_market_lookup])
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market_lookup: MarketLookup = all_market_lookup
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return Context(actual_name, actual_cluster, actual_cluster_urls, actual_skip_preflight, actual_commitment, actual_encoding, actual_blockhash_cache_duration, actual_stale_data_pauses_before_retry, actual_program_address, actual_serum_program_address, actual_group_name, actual_group_address, actual_gma_chunk_size, actual_gma_chunk_pause, instrument_lookup, market_lookup)
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