90 lines
3.5 KiB
Python
90 lines
3.5 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 logging
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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 .layouts import layouts
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from .rootbank import RootBank
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from .token import Token
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from .tokenlookup import TokenLookup
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# # 🥭 TokenInfo class
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#
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# `TokenInfo` defines additional information for a `Token`.
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#
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class TokenInfo():
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def __init__(self, token: Token, root_bank: RootBank, decimals: Decimal):
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self.logger: logging.Logger = logging.getLogger(self.__class__.__name__)
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self.token: Token = token
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self.root_bank: RootBank = root_bank
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self.decimals: Decimal = decimals
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def from_layout(layout: layouts.TOKEN_INFO, token_lookup: TokenLookup, root_banks: typing.Sequence[RootBank]) -> "TokenInfo":
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token = token_lookup.find_by_mint(layout.mint)
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if token is None:
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raise Exception(f"Token with mint {layout.mint} could not be found.")
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if layout.decimals != token.decimals:
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raise Exception(
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f"Conflict between number of decimals in token static data {token.decimals} and group {layout.decimals} for token {token.symbol}.")
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root_bank = RootBank.find_by_address(root_banks, layout.root_bank)
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return TokenInfo(token, root_bank, layout.decimals)
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def from_layout_or_none(layout: layouts.TOKEN_INFO, token_lookup: TokenLookup, root_banks: typing.Sequence[RootBank]) -> typing.Optional["TokenInfo"]:
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if layout.mint is None:
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return None
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return TokenInfo.from_layout(layout, token_lookup, root_banks)
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@staticmethod
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def find_by_symbol(values: typing.Sequence[typing.Optional["TokenInfo"]], symbol: str) -> "TokenInfo":
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found = [
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value for value in values if value is not None and value.token is not None and value.token.symbol_matches(symbol)]
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if len(found) == 0:
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raise Exception(f"Token '{symbol}' not found in token infos: {values}")
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if len(found) > 1:
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raise Exception(f"Token '{symbol}' matched multiple tokens in infos: {values}")
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return found[0]
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@staticmethod
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def find_by_mint(values: typing.Sequence[typing.Optional["TokenInfo"]], mint: PublicKey) -> "TokenInfo":
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found = [value for value in values if value is not None and value.token is not None and value.token.mint == mint]
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if len(found) == 0:
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raise Exception(f"Token '{mint}' not found in token infos: {values}")
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if len(found) > 1:
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raise Exception(f"Token '{mint}' matched multiple tokens in infos: {values}")
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return found[0]
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def __str__(self) -> str:
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root_bank = f"{self.root_bank}".replace("\n", "\n ")
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return f"""« 𝚃𝚘𝚔𝚎𝚗𝙸𝚗𝚏𝚘 {self.token}
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{root_bank}
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»"""
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def __repr__(self) -> str:
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return f"{self}"
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