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Merge pull request #64 from bitcoin-sv/feat-641-shared-config
feat(BUX-641) Shared- & Public- config
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| package config | ||
|
|
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| import ( | ||
| "slices" | ||
| "sync" | ||
| "time" | ||
|
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| backendconfig "github.com/bitcoin-sv/spv-wallet-web-backend/config" | ||
| "github.com/bitcoin-sv/spv-wallet-web-backend/domain/users" | ||
| "github.com/bitcoin-sv/spv-wallet/models" | ||
| "github.com/rs/zerolog" | ||
| "github.com/spf13/viper" | ||
| ) | ||
|
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| const cacheTTL = 10 * time.Minute | ||
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| // ConfigService is a service for fetching and caching SharedConfig from the spv-wallet and providing PublicConfig. | ||
| type ConfigService struct { | ||
| adminWalletClient users.AdminWalletClient | ||
| log *zerolog.Logger | ||
|
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| sharedConfig *models.SharedConfig | ||
| publicConfig *PublicConfig | ||
| mutex sync.Mutex | ||
| lastFetch time.Time | ||
| } | ||
|
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| // NewConfigService creates a new ConfigService. | ||
| func NewConfigService(adminWalletClient users.AdminWalletClient, log *zerolog.Logger) *ConfigService { | ||
| return &ConfigService{ | ||
| adminWalletClient: adminWalletClient, | ||
| log: log, | ||
| sharedConfig: nil, | ||
| publicConfig: nil, | ||
| } | ||
| } | ||
|
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| // GetSharedConfig returns shared config. | ||
| // If shared config is not cached, it will be fetched from the spv-wallet. | ||
| // SharedConfig should not be exposed to the public - use PublicConfig instead. | ||
| func (s *ConfigService) GetSharedConfig() *models.SharedConfig { | ||
| s.makeConfigs() | ||
| return s.sharedConfig | ||
| } | ||
|
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| // GetPublicConfig returns public config. | ||
| func (s *ConfigService) GetPublicConfig() *PublicConfig { | ||
| s.makeConfigs() | ||
| return s.publicConfig | ||
| } | ||
|
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| func (s *ConfigService) makeConfigs() { | ||
| s.mutex.Lock() | ||
| defer s.mutex.Unlock() | ||
|
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| if s.sharedConfig != nil && time.Since(s.lastFetch) < cacheTTL { | ||
| return | ||
| } | ||
| s.lastFetch = time.Now() | ||
|
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| shared, err := s.adminWalletClient.GetSharedConfig() | ||
| if err != nil { | ||
| s.log.Error().Err(err).Msg("Failed to get shared config") | ||
| return | ||
| } | ||
|
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| s.sharedConfig = shared | ||
| s.publicConfig = s.makePublicConfig(shared) | ||
| } | ||
|
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| func (s *ConfigService) makePublicConfig(shared *models.SharedConfig) *PublicConfig { | ||
| configuredPaymailDomain := viper.GetString(backendconfig.EnvPaymailDomain) | ||
| if !slices.Contains(shared.PaymilDomains, configuredPaymailDomain) { | ||
| s.log.Warn().Str("configuredPaymailDomain", configuredPaymailDomain).Msg("Configured paymail domain is not in the list of paymail domains from SPV Wallet") | ||
| } | ||
|
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| return &PublicConfig{ | ||
| PaymilDomain: configuredPaymailDomain, | ||
| ExperimentalFeatures: shared.ExperimentalFeatures, | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| package config | ||
|
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| // PublicConfig represents a config that is exposed to the public. | ||
| type PublicConfig struct { | ||
| PaymilDomain string `json:"paymail_domain"` | ||
| ExperimentalFeatures map[string]bool `json:"experimental_features"` | ||
| } |
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