wallet-sync-server/wallet/wallet.go

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package wallet
// Currently a small package but given other packages it makes imports easier.
// Also this might grow substantially over time
// For test stubs
type WalletUtilInterface interface {
ValidateWalletState(walletState *WalletState) bool
}
type WalletUtil struct{}
type WalletState struct {
DeviceID string `json:"deviceId"`
LastSynced map[string]int `json:"lastSynced"`
}
// TODO - These "validate" functions could/should be methods. Though I think
// we'd lose mockability for testing, since the method isn't the
// WalletUtilInterface.
// Mainly the job of the clients but we may as well short-circuit problems
// here before saving them.
func (wu *WalletUtil) ValidateWalletState(walletState *WalletState) bool {
// TODO - nonempty fields, up to date, etc
return true
}
// Assumptions: `ws` has been validated
// Avoid having to check for error
func (ws *WalletState) Sequence() int {
return ws.LastSynced[ws.DeviceID]
}