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rpc: implement getproof RPC

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This commit is contained in:
Evgenii Stratonikov 2020-06-04 11:59:22 +03:00
parent fe8038e8b7
commit 8cbbddddaf
7 changed files with 191 additions and 0 deletions
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27
pkg/rpc/server/server.go
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@ -15,6 +15,7 @@ import (
"github.com/gorilla/websocket"
"github.com/nspcc-dev/neo-go/pkg/core"
"github.com/nspcc-dev/neo-go/pkg/core/block"
"github.com/nspcc-dev/neo-go/pkg/core/mpt"
"github.com/nspcc-dev/neo-go/pkg/core/state"
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
@ -95,6 +96,7 @@ var rpcHandlers = map[string]func(*Server, request.Params) (interface{}, *respon
"getpeers": (*Server).getPeers,
"getrawmempool": (*Server).getRawMempool,
"getrawtransaction": (*Server).getrawtransaction,
"getproof": (*Server).getProof,
"getstateheight": (*Server).getStateHeight,
"getstateroot": (*Server).getStateRoot,
"getstorage": (*Server).getStorage,
@ -689,6 +691,31 @@ func (s *Server) getDecimals(h util.Uint160, cache map[util.Uint160]int64) (int6
return d, nil
}
func (s *Server) getProof(ps request.Params) (interface{}, *response.Error) {
root, err := ps.Value(0).GetUint256()
if err != nil {
return nil, response.ErrInvalidParams
}
sc, err := ps.Value(1).GetUint160FromHex()
if err != nil {
return nil, response.ErrInvalidParams
}
sc = sc.Reverse()
key, err := ps.Value(2).GetBytesHex()
if err != nil {
return nil, response.ErrInvalidParams
}
skey := mpt.ToNeoStorageKey(append(sc.BytesBE(), key...))
proof, err := s.chain.GetStateProof(root, skey)
return &result.GetProof{
Result: result.ProofWithKey{
Key: skey,
Proof: proof,
},
Success: err == nil,
}, nil
}
func (s *Server) getStateHeight(_ request.Params) (interface{}, *response.Error) {
height := s.chain.BlockHeight()
return &result.StateHeight{