[iip-15]sgdRegistry implementation

action/protocol/execution/testdata-istanbul/iip15-manager.sol

@@ -15,7 +15,7 @@ contract IIP15Manager is Ownable {
 
     event ContractRegistered(address contractAddress, address recipient);
     event ContractApproved(address contractAddress);
-    event ContractUnapproved(address contractAddress);
+    event ContractDisapproved(address contractAddress);
     event ContractRemoved(address contractAddress);
 
     function registerContract(address _contractAddress, address _recipient) public {
@@ -39,7 +39,7 @@ contract IIP15Manager is Ownable {
         require(contractInfo.recipient != address(0), "Contract is not registered");
         require(contractInfo.isApproved, "Contract is not approved");
         contractInfo.isApproved = false;
-        emit ContractUnapproved(_contractAddress);
+        emit ContractDisapproved(_contractAddress);
     }
 
     function removeContract(address _contractAddress) public onlyOwner {

blockchain/config.go

@@ -32,6 +32,8 @@ type (
 		BloomfilterIndexDBPath string           `yaml:"bloomfilterIndexDBPath"`
 		CandidateIndexDBPath   string           `yaml:"candidateIndexDBPath"`
 		StakingIndexDBPath     string           `yaml:"stakingIndexDBPath"`
+		SGDIndexDBPath         string           `yaml:"sgdIndexDBPath"`
+		SGDContract            string           `yaml:"sgdContract"`
 		ID                     uint32           `yaml:"id"`
 		EVMNetworkID           uint32           `yaml:"evmNetworkID"`
 		Address                string           `yaml:"address"`
@@ -83,6 +85,7 @@ var (
 		BloomfilterIndexDBPath: "/var/data/bloomfilter.index.db",
 		CandidateIndexDBPath:   "/var/data/candidate.index.db",
 		StakingIndexDBPath:     "/var/data/staking.index.db",
+		SGDIndexDBPath:         "/var/data/sgd.index.db",
 		ID:                     1,
 		EVMNetworkID:           4689,
 		Address:                "",

blockindex/indexpb/index.proto

@@ -4,7 +4,8 @@
 // This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // To compile the proto, run:
-//      protoc --go_out=plugins=grpc:. *.proto
+//      protoc --go_out=. *.proto
+// option go_package = "../indexpb"; is to specify the package name in the generated go file
 syntax = "proto3";
 package indexpb;
 
@@ -17,3 +18,9 @@ message BlockIndex {
 message ActionIndex {
     uint64 blkHeight = 1;
 }
+
+message SGDIndex {
+    bytes contract = 1;
+    bytes receiver = 2;
+    bool approved = 3;
+}