add getcrossstateroot (#72)

polynetwork · Aug 2, 2021 · aaa6644 · aaa6644
1 parent a42ecad
commit aaa6644
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Showing 3 changed files with 25 additions and 0 deletions.
diff --git a/http/base/actor/ledger.go b/http/base/actor/ledger.go
@@ -105,3 +105,7 @@ func GetMerkleProof(proofHeight uint32, rootHeight uint32) ([]byte, error) {
 func GetCrossStatesProof(height uint32, key []byte) ([]byte, error) {
 	return ledger.DefLedger.GetCrossStatesProof(height, key)
 }
+
+func GetCrossStateRoot(height uint32) (common.Uint256, error) {
+	return ledger.DefLedger.GetCrossStateRoot(height)
+}
diff --git a/http/base/rpc/interfaces.go b/http/base/rpc/interfaces.go
@@ -98,6 +98,26 @@ func GetLatestBlockMsgsSnap(params []interface{}) map[string]interface{} {
 	return responseSuccess(result)
 }
 
+// get cross state root
+func GetCrossStateRoot(params []interface{}) map[string]interface{} {
+	if len(params) < 1 {
+		return responsePack(berr.INVALID_PARAMS, nil)
+	}
+	switch (params[0]).(type) {
+	// block height
+	case float64:
+		height := uint32(params[0].(float64))
+		result, err := bactor.GetCrossStateRoot(height)
+		if err != nil {
+			return responsePack(berr.UNKNOWN_BLOCK, err.Error())
+		}
+		return responseSuccess(result)
+	default:
+		return responsePack(berr.INVALID_PARAMS, "")
+	}
+
+}
+
 //get block hash
 // A JSON example for getblockhash method as following:
 //   {"jsonrpc": "2.0", "method": "getblockhash", "params": [1], "id": 0}

diff --git a/http/jsonrpc/rpc_server.go b/http/jsonrpc/rpc_server.go
@@ -39,6 +39,7 @@ func StartRPCServer() error {
 	rpc.HandleFunc("getblockcount", rpc.GetBlockCount)
 	rpc.HandleFunc("getblockhash", rpc.GetBlockHash)
 	rpc.HandleFunc("getlatestblockmsgssnap", rpc.GetLatestBlockMsgsSnap)
+	rpc.HandleFunc("getcrossstateroot", rpc.GetCrossStateRoot)
 	rpc.HandleFunc("getconnectioncount", rpc.GetConnectionCount)
 	//HandleFunc("getrawmempool", GetRawMemPool)