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rpc/server: implement getstateroot RPC

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This commit is contained in:
Evgenii Stratonikov 2020-06-03 18:09:36 +03:00
parent 1869d6d460
commit 4de22247d5
2 changed files with 52 additions and 0 deletions
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23
pkg/rpc/server/server.go
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@ -100,6 +100,7 @@ var rpcHandlers = map[string]func(*Server, request.Params) (interface{}, *respon
"getpeers": (*Server).getPeers,
"getrawmempool": (*Server).getRawMempool,
"getrawtransaction": (*Server).getrawtransaction,
"getstateroot": (*Server).getStateRoot,
"getstorage": (*Server).getStorage,
"gettransactionheight": (*Server).getTransactionHeight,
"getunclaimedgas": (*Server).getUnclaimedGas,
@ -773,6 +774,28 @@ func (s *Server) contractScriptHashFromParam(param *request.Param) (util.Uint160
return result, nil
}
func (s *Server) getStateRoot(ps request.Params) (interface{}, *response.Error) {
p := ps.Value(0)
if p == nil {
return nil, response.NewRPCError("Invalid parameter.", "", nil)
}
var rt *state.MPTRootState
var h util.Uint256
height, err := p.GetInt()
if err == nil {
rt, err = s.chain.GetStateRoot(uint32(height))
} else if h, err = p.GetUint256(); err == nil {
hdr, err := s.chain.GetHeader(h)
if err == nil {
rt, err = s.chain.GetStateRoot(hdr.Index)
}
}
if err != nil {
return nil, response.NewRPCError("Unknown state root.", "", err)
}
return rt, nil
}
func (s *Server) getStorage(ps request.Params) (interface{}, *response.Error) {
id, rErr := s.contractIDFromParam(ps.Value(0))
if rErr == response.ErrUnknown {