dex

type Candidate struct {
	Channel      string
	Via          string
	FromChain    string
	FromToken    string
	FromAddress  string
	ToChain      string
	ToToken      string
	ToAddress    string
	ToDecimals   int
	LiquidityUsd float64
	SourceIssuer string
}

type Engine struct {
	Logf func(format string, args ...interface{})
}

type QuoteFn func(ctx context.Context, cand *Candidate, in *dexmodel.DexQuoteIn) (*dexmodel.DexQuoteOut, error)

type RateLimit struct {
	QPS   float64
	Burst int
}

type Request struct {
	FromAmount    string
	SlippageBps   int
	Timeout       time.Duration
	FromAmountUsd float64
	ToPriceUsd    float64
	FeeRate       string
	FeeReceiver   string
	ScamCheck     func(chain, token string) bool
}

type Response struct {
	Routes        []*Route `json:"routes"`
	Reason        string   `json:"reason,omitempty"`
	ReasonMessage string   `json:"reasonMessage,omitempty"`
}

type Route struct {
	Rank            int       `json:"rank"`
	Recommended     bool      `json:"recommended"`
	CrossChain      bool      `json:"crossChain"`
	FromChain       string    `json:"fromChain"`
	FromToken       string    `json:"fromToken"`
	ToChain         string    `json:"toChain"`
	ToToken         string    `json:"toToken"`
	ToDecimals      int       `json:"toDecimals"`
	SourceIssuer    string    `json:"sourceIssuer,omitempty"`
	ToAmount        string    `json:"toAmount"`
	ToAmountUsd     float64   `json:"toAmountUsd"`
	ExpectedFillUsd float64   `json:"expectedFillUsd,omitempty"`
	Channel         string    `json:"channel"`
	FeeUsd          float64   `json:"feeUsd,omitempty"`
	PriceImpactPct  float64   `json:"priceImpactPct,omitempty"`
	LiquidityUsd    float64   `json:"liquidityUsd,omitempty"`
	EstSeconds      int64     `json:"estSeconds,omitempty"`
	Warnings        []Warning `json:"warnings,omitempty"`
	Reason          string    `json:"reason,omitempty"`
}

type Warning = dexmodel.DexWarning