status-go/rpc/provider.go

99 lines
2.8 KiB
Go

package rpc
import (
"fmt"
"sort"
"strings"
"go.uber.org/zap"
"github.com/status-im/status-go/params"
)
const (
ProviderMain = "main"
ProviderFallback = "fallback"
ProviderStatusProxy = "status-proxy"
ProviderStatusProxyFallback = ProviderStatusProxy + "-fallback"
ProviderStatusProxyFallback2 = ProviderStatusProxy + "-fallback2"
)
type Provider struct {
Key string
URL string
Auth string
Priority int
}
func (p Provider) authenticationNeeded() bool {
return len(p.Auth) > 0
}
func getProviderPriorityByURL(url string) int {
// Currently we have 5 providers and we want to use them in the following order:
// 1. StatusProxy - Node Fleet
// 2. StatusProxy - Infura
// 3. Direct Infura
// 4. StatusProxy - Grove
// 5. Direct Grove
if strings.Contains(url, "api.status.im/nodefleet/") || strings.Contains(url, "anvil") {
return 0
} else if strings.Contains(url, "api.status.im/infura/") {
return 1
} else if strings.Contains(url, "infura.io/") {
return 2
} else if strings.Contains(url, "api.status.im/grove/") {
return 3
}
return 4
}
func getProviderConfig(providerConfigs []params.ProviderConfig, providerName string) (params.ProviderConfig, error) {
for _, providerConfig := range providerConfigs {
if providerConfig.Name == providerName {
return providerConfig, nil
}
}
return params.ProviderConfig{}, fmt.Errorf("provider config not found for provider: %s", providerName)
}
func createProvider(key, url, credentials string, providers *[]Provider) {
priority := getProviderPriorityByURL(url)
*providers = append(*providers, Provider{
Key: key,
URL: url,
Auth: credentials,
Priority: priority,
})
}
func (c *Client) prepareProviders(network *params.Network) []Provider {
var providers []Provider
// Retrieve the proxy provider configuration
proxyProvider, err := getProviderConfig(c.providerConfigs, ProviderStatusProxy)
if err != nil {
c.logger.Warn("could not find provider config for status-proxy", zap.Error(err))
}
// Add main and fallback providers
createProvider(ProviderMain, network.RPCURL, "", &providers)
createProvider(ProviderFallback, network.FallbackURL, "", &providers)
// If the proxy provider is enabled, add it and its fallback options
if proxyProvider.Enabled {
credentials := proxyProvider.User + ":" + proxyProvider.Password
createProvider(ProviderStatusProxy, network.DefaultRPCURL, credentials, &providers)
createProvider(ProviderStatusProxyFallback, network.DefaultFallbackURL, credentials, &providers)
createProvider(ProviderStatusProxyFallback2, network.DefaultFallbackURL2, credentials, &providers)
}
// Sort providers by priority
sort.Slice(providers, func(i, j int) bool {
return providers[i].Priority < providers[j].Priority
})
return providers
}