// Package runtime provides low-level components of the Solana Execution Layer.
package runtime

import "time"

type Account struct {
	Lamports   uint64
	Data       []byte
	Owner      [32]byte
	Executable bool
	RentEpoch  uint64
}

type PohParams struct {
	TickDuration     time.Duration
	HasTickCount     bool
	TickCount        uint64
	HasHashesPerTick bool
	HashesPerTick    uint64
}

type InflationParams struct {
	Initial        float64
	Terminal       float64
	Taper          float64
	Foundation     float64
	FoundationTerm float64
	Padding00      [8]byte
}

type EpochSchedule struct {
	SlotPerEpoch             uint64
	LeaderScheduleSlotOffset uint64
	Warmup                   bool
	FirstNormalEpoch         uint64
	FirstNormalSlot          uint64
}

type FeeParams struct {
	TargetLamportsPerSig uint64
	TargetSigsPerSlot    uint64
	MinLamportsPerSig    uint64
	MaxLamportsPerSig    uint64
	BurnPercent          uint8
}

type RentParams struct {
	LamportsPerByteYear uint64
	ExemptionThreshold  float64
	BurnPercent         uint8
}

type Accounts interface {
	GetAccount(pubkey *[32]byte) (*Account, error)
	SetAccount(pubkey *[32]byte, acc *Account) error
}

type MemAccounts struct {
	Map map[[32]byte]*Account
}

func NewMemAccounts() MemAccounts {
	return MemAccounts{
		Map: make(map[[32]byte]*Account),
	}
}

func (m MemAccounts) GetAccount(pubkey *[32]byte) (*Account, error) {
	return m.Map[*pubkey], nil
}

func (m MemAccounts) SetAccount(pubkey *[32]byte, acc *Account) error {
	m.Map[*pubkey] = acc
	return nil
}