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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 e38e8aa48a
commit 8e60a65b55
4 changed files with 108 additions and 0 deletions
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32
pkg/rpc/server/server.go
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@ -20,6 +20,7 @@ import (
"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/blockchainer"
"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/keys"
@ -114,6 +115,7 @@ 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){
@ -817,6 +819,36 @@ func (s *Server) getProof(ps request.Params) (interface{}, *response.Error) {
}, nil
}
func (s *Server) verifyProof(ps request.Params) (interface{}, *response.Error) {
if s.chain.GetConfig().KeepOnlyLatestState {
return nil, response.NewInvalidRequestError("'verifyproof' is not supported", errKeepOnlyLatestState)
}
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)
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) {
var height = s.chain.BlockHeight()
var stateHeight uint32