"""Broker adapter for BeVault."""
from __future__ import annotations

from dataclasses import dataclass, field
from typing import List

from ..core import HedgeDelta


@dataclass
class BrokerAdapter:
    name: str = "broker-v1"
    version: str = "1.0"
    sent_deltas: List[HedgeDelta] = field(default_factory=list)

    def send_delta(self, delta: HedgeDelta) -> bool:
        self.sent_deltas.append(delta)
        return True

    def conformance_contract(self) -> dict:
        return {
            "name": self.name,
            "version": self.version,
            "accepts": ["HedgeDelta"],
        }


__all__ = ["BrokerAdapter"]