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rpc: implement verifyproof RPC

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Test getproof and verifyproof together.
This commit is contained in:
Evgenii Stratonikov 2020-06-05 11:51:39 +03:00
parent 8cbbddddaf
commit 519a98039c
4 changed files with 108 additions and 0 deletions
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28
pkg/rpc/server/server.go
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@ -112,6 +112,7 @@ var rpcHandlers = map[string]func(*Server, request.Params) (interface{}, *respon
"sendrawtransaction": (*Server).sendrawtransaction,
"submitblock": (*Server).submitBlock,
"validateaddress": (*Server).validateAddress,
"verifyproof": (*Server).verifyProof,
}
var rpcWsHandlers = map[string]func(*Server, request.Params, *subscriber) (interface{}, *response.Error){
@ -716,6 +717,33 @@ func (s *Server) getProof(ps request.Params) (interface{}, *response.Error) {
}, nil
}
func (s *Server) verifyProof(ps request.Params) (interface{}, *response.Error) {
root, err := ps.Value(0).GetUint256()
if err != nil {
return nil, response.ErrInvalidParams
}
proofStr, err := ps.Value(1).GetString()
if err != nil {
return nil, response.ErrInvalidParams
}
var p result.ProofWithKey
if err := p.FromString(proofStr); err != nil {
return nil, response.ErrInvalidParams
}
vp := new(result.VerifyProof)
val, ok := mpt.VerifyProof(root, p.Key, p.Proof)
if ok {
var si state.StorageItem
r := io.NewBinReaderFromBuf(val[1:])
si.DecodeBinary(r)
if r.Err != nil {
return nil, response.NewInternalServerError("invalid item in trie", r.Err)
}
vp.Value = si.Value
}
return vp, nil
}
func (s *Server) getStateHeight(_ request.Params) (interface{}, *response.Error) {
height := s.chain.BlockHeight()
return &result.StateHeight{