std

type BankerInterface interface {
	GetCoins(addr crypto.Bech32Address) (dst std.Coins)
	SendCoins(from, to crypto.Bech32Address, amt std.Coins)
	TotalCoin(denom string) int64
	IssueCoin(addr crypto.Bech32Address, denom string, amount int64)
	RemoveCoin(addr crypto.Bech32Address, denom string, amount int64)
}

type ExecContext struct {
	ChainID         string
	ChainDomain     string
	Height          int64
	Timestamp       int64 // seconds
	TimestampNano   int64 // nanoseconds, only used for testing.
	OriginCaller    crypto.Bech32Address
	OriginPkgAddr   crypto.Bech32Address
	OriginSend      std.Coins
	OriginSendSpent *std.Coins // mutable
	Banker          BankerInterface
	Params          ParamsInterface
	EventLogger     *sdk.EventLogger
}

type ExecContexter interface {
	GetExecContext() ExecContext
}

type GnoEvent struct {
	Type       string              `json:"type"`
	Attributes []GnoEventAttribute `json:"attrs"`
	PkgPath    string              `json:"pkg_path"`
	Func       string              `json:"func"`
}

type GnoEventAttribute struct {
	Key   string `json:"key"`
	Value string `json:"value"`
}

type ParamsInterface interface {
	SetString(key, val string)
	SetBool(key string, val bool)
	SetInt64(key string, val int64)
	SetUint64(key string, val uint64)
	SetBytes(key string, val []byte)
}