chore!: PDP service contract whitelist (#545)

Using current Alpha release FilecoinWarmStorageService contract address on calibnet

Co-authored-by: zenground0 <[email protected]>

Author: ZenGround0

pdp/contract/addresses.go

@@ -12,14 +12,18 @@ import (
 )
 
 type PDPContracts struct {
-	PDPVerifier common.Address
+	PDPVerifier                common.Address
+	AllowedPublicRecordKeepers []common.Address
 }
 
 func ContractAddresses() PDPContracts {
 	switch build.BuildType {
 	case build.BuildCalibnet:
 		return PDPContracts{
 			PDPVerifier: common.HexToAddress("0x445238Eca6c6aB8Dff1Aa6087d9c05734D22f137"),
+			AllowedPublicRecordKeepers: []common.Address{
+				common.HexToAddress("0x80617b65FD2EEa1D7fDe2B4F85977670690ed348"), // FilecoinWarmStorageService
+			},
 		}
 	case build.BuildMainnet:
 		// Compatible contract not yet deployed
@@ -34,3 +38,20 @@ const NumChallenges = 5
 func SybilFee() *big.Int {
 	return must.One(types.ParseFIL("0.1")).Int
 }
+
+// IsPublicService checks if a service label indicates a public service
+func IsPublicService(serviceLabel string) bool {
+	return serviceLabel == "public"
+}
+
+// IsRecordKeeperAllowed checks if a recordkeeper address is in the whitelist
+// Returns true if the address is allowed, or if there's no whitelist for the network
+func IsRecordKeeperAllowed(recordKeeper common.Address) bool {
+	// Check if the recordkeeper is in the whitelist
+	for _, allowed := range ContractAddresses().AllowedPublicRecordKeepers {
+		if recordKeeper == allowed {
+			return true
+		}
+	}
+	return false
+}

pdp/handlers.go

@@ -170,6 +170,12 @@ func (p *PDPService) handleCreateDataSet(w http.ResponseWriter, r *http.Request)
 		return
 	}
 
+	// Check if the recordkeeper is in the whitelist for public services
+	if contract.IsPublicService(serviceLabel) && !contract.IsRecordKeeperAllowed(recordKeeperAddr) {
+		http.Error(w, "recordKeeper address not allowed for public service", http.StatusForbidden)
+		return
+	}
+
 	// Decode extraData if provided
 	extraDataBytes := []byte{}
 	if reqBody.ExtraData != nil {