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token holder scan parallelized, holder providers simplifyed, fixing G…
…etEndpoint web3Pool
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| package manager | ||
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| // package manager provides a manager for providers of different types | ||
| // and a way to add and get them by type concurrently safe. It initializes a new | ||
| // provider based on the type and the configuration provided every time that a | ||
| // provider is requested to avoid data races. It also provides a way to get all | ||
| // the provider types and all the providers initialized at once. | ||
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| import ( | ||
| "fmt" | ||
| "sync" | ||
|
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| "github.com/vocdoni/census3/scanner/providers" | ||
| "github.com/vocdoni/census3/scanner/providers/farcaster" | ||
| "github.com/vocdoni/census3/scanner/providers/gitcoin" | ||
| "github.com/vocdoni/census3/scanner/providers/poap" | ||
| "github.com/vocdoni/census3/scanner/providers/web3" | ||
| ) | ||
|
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| type ProviderManager struct { | ||
| confs sync.Map | ||
| } | ||
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| // NewProviderManager creates a new provider manager | ||
| func NewProviderManager() *ProviderManager { | ||
| return &ProviderManager{} | ||
| } | ||
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| // AddProvider adds a new provider configuration to the manager assigned to the | ||
| // specific type provided | ||
| func (m *ProviderManager) AddProvider(providerType uint64, conf any) { | ||
| m.confs.Store(providerType, conf) | ||
| } | ||
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| // GetProvider returns a provider based on the type provided. It initializes the | ||
| // provider based on the configuration stored in the manager. It initializes a | ||
| // new provider every time to avoid data races. It returns an error if the | ||
| // provider type is not found or if the provider cannot be initialized. | ||
| func (m *ProviderManager) GetProvider(providerType uint64) (providers.HolderProvider, error) { | ||
| // load the configuration for the provider type | ||
| conf, ok := m.confs.Load(providerType) | ||
| if !ok { | ||
| return nil, fmt.Errorf("provider type %d not found", providerType) | ||
| } | ||
| // initialize the provider based on the type | ||
| var provider providers.HolderProvider | ||
| switch providerType { | ||
| case providers.CONTRACT_TYPE_ERC20: | ||
| provider = &web3.ERC20HolderProvider{} | ||
| case providers.CONTRACT_TYPE_ERC721: | ||
| provider = &web3.ERC721HolderProvider{} | ||
| case providers.CONTRACT_TYPE_ERC777: | ||
| provider = &web3.ERC777HolderProvider{} | ||
| case providers.CONTRACT_TYPE_POAP: | ||
| provider = &poap.POAPHolderProvider{} | ||
| case providers.CONTRACT_TYPE_GITCOIN: | ||
| provider = &gitcoin.GitcoinPassport{} | ||
| case providers.CONTRACT_TYPE_FARCASTER: | ||
| provider = &farcaster.FarcasterProvider{} | ||
| default: | ||
| return nil, fmt.Errorf("provider type %d not found", providerType) | ||
| } | ||
| // initialize the provider with the specific configuration | ||
| if err := provider.Init(conf); err != nil { | ||
| return nil, err | ||
| } | ||
| return provider, nil | ||
| } | ||
|
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| // GetProviderTypes returns all the provider types stored in the manager as a | ||
| // slice of uint64. | ||
| func (m *ProviderManager) GetProviderTypes() []uint64 { | ||
| types := []uint64{} | ||
| m.confs.Range(func(t, _ any) bool { | ||
| types = append(types, t.(uint64)) | ||
| return true | ||
| }) | ||
| return types | ||
| } | ||
|
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| // Providers returns all the providers stored in the manager associated to their | ||
| // types as a map of uint64 to HolderProvider. | ||
| func (m *ProviderManager) Providers() map[uint64]providers.HolderProvider { | ||
| providers := make(map[uint64]providers.HolderProvider) | ||
| for _, t := range m.GetProviderTypes() { | ||
| provider, err := m.GetProvider(t) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| providers[t] = provider | ||
| } | ||
| return providers | ||
| } |
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