execctx

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
	OriginSend      std.Coins
	OriginSendSpent *std.Coins // mutable
	Banker          BankerInterface
	Params          ParamsInterface
	EventLogger     *sdk.EventLogger
	SessionAccount  std.DelegatedAccount // nil for master-key txs
}

type ExecContexter interface {
	GetExecContext() ExecContext
}

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)
	SetStrings(key string, val []string)
	UpdateStrings(key string, val []string, add bool)
	// GetXxx writes the stored value (if any) into *ptr and returns
	// whether the key existed. A return of false leaves *ptr at its
	// zero value, distinguishing "never set" from "set to zero" —
	// which the in-memory backed types alone cannot.
	GetString(key string, ptr *string) bool
	GetBool(key string, ptr *bool) bool
	GetInt64(key string, ptr *int64) bool
	GetUint64(key string, ptr *uint64) bool
	GetBytes(key string, ptr *[]byte) bool
	GetStrings(key string, ptr *[]string) bool
}