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[NOD-1595] Implement all fields of GetBlockDAGInfo (#1200)

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* [NOD-1595] Implement all fields of GetBlockDAGInfo

* [NOD-1595]

* [NOD-1595] Don't swallow errors in GetDifficultyRatio

* [NOD-1595] Change roundingPrecision in GetDifficultyRatio to 2 decimal places
This commit is contained in:
Svarog 2020-12-09 12:14:15 +02:00 committed by GitHub
parent e04f76b800
commit 0d8f7bba40
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
10 changed files with 168 additions and 88 deletions
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1
app/appmessage/rpc_get_block_dag_info.go
View File

@ -22,6 +22,7 @@ type GetBlockDAGInfoResponseMessage struct {
baseMessage
NetworkName string
BlockCount uint64
HeaderCount uint64
TipHashes []string
VirtualParentHashes []string
Difficulty float64

13
app/rpc/rpccontext/verbosedata.go
View File

@ -3,6 +3,7 @@ package rpccontext
import (
"encoding/hex"
"fmt"
"math"
"math/big"
"strconv"
@ -29,7 +30,6 @@ func (ctx *Context) BuildBlockVerboseData(block *externalapi.DomainBlock, includ
if err != nil {
return nil, err
}
result := &appmessage.BlockVerboseData{
Hash: hash.String(),
Version: blockHeader.Version,
@ -77,12 +77,11 @@ func (ctx *Context) GetDifficultyRatio(bits uint32, params *dagconfig.Params) fl
target := util.CompactToBig(bits)
difficulty := new(big.Rat).SetFrac(params.PowMax, target)
outString := difficulty.FloatString(8)
diff, err := strconv.ParseFloat(outString, 64)
if err != nil {
log.Errorf("Cannot get difficulty: %s", err)
return 0
}
diff, _ := difficulty.Float64()
roundingPrecision := float64(100)
diff = math.Round(diff*roundingPrecision) / roundingPrecision
return diff
}

23
app/rpc/rpchandlers/get_block_dag_info.go
View File

@ -3,15 +3,38 @@ package rpchandlers
import (
"github.com/kaspanet/kaspad/app/appmessage"
"github.com/kaspanet/kaspad/app/rpc/rpccontext"
"github.com/kaspanet/kaspad/domain/consensus/utils/hashes"
"github.com/kaspanet/kaspad/infrastructure/network/netadapter/router"
)
// HandleGetBlockDAGInfo handles the respectively named RPC command
func HandleGetBlockDAGInfo(context *rpccontext.Context, _ *router.Router, _ appmessage.Message) (appmessage.Message, error) {
params := context.Config.ActiveNetParams
consensus := context.Domain.Consensus()
response := appmessage.NewGetBlockDAGInfoResponseMessage()
response.NetworkName = params.Name
syncInfo, err := consensus.GetSyncInfo()
if err != nil {
return nil, err
}
response.BlockCount = syncInfo.BlockCount
response.HeaderCount = syncInfo.HeaderCount
tipHashes, err := consensus.Tips()
if err != nil {
return nil, err
}
response.TipHashes = hashes.ToStrings(tipHashes)
virtualInfo, err := consensus.GetVirtualInfo()
if err != nil {
return nil, err
}
response.VirtualParentHashes = hashes.ToStrings(virtualInfo.ParentHashes)
response.Difficulty = context.GetDifficultyRatio(virtualInfo.Bits, context.Config.ActiveNetParams)
response.PastMedianTime = virtualInfo.PastMedianTime
return response, nil
}

25
domain/consensus/consensus.go
View File

@ -221,3 +221,28 @@ func (s *consensus) GetSyncInfo() (*externalapi.SyncInfo, error) {
return s.syncManager.GetSyncInfo()
}
func (s *consensus) Tips() ([]*externalapi.DomainHash, error) {
return s.consensusStateStore.Tips(s.databaseContext)
}
func (s *consensus) GetVirtualInfo() (*externalapi.VirtualInfo, error) {
blockRelations, err := s.blockRelationStore.BlockRelation(s.databaseContext, model.VirtualBlockHash)
if err != nil {
return nil, err
}
bits, err := s.difficultyManager.RequiredDifficulty(model.VirtualBlockHash)
if err != nil {
return nil, err
}
pastMedianTime, err := s.pastMedianTimeManager.PastMedianTime(model.VirtualBlockHash)
if err != nil {
return nil, err
}
return &externalapi.VirtualInfo{
ParentHashes: blockRelations.Parents,
Bits: bits,
PastMedianTime: pastMedianTime,
}, nil
}

2
domain/consensus/model/externalapi/consensus.go
View File

@ -18,4 +18,6 @@ type Consensus interface {
CreateBlockLocator(lowHash, highHash *DomainHash, limit uint32) (BlockLocator, error)
FindNextBlockLocatorBoundaries(blockLocator BlockLocator) (lowHash, highHash *DomainHash, err error)
GetSyncInfo() (*SyncInfo, error)
Tips() ([]*DomainHash, error)
GetVirtualInfo() (*VirtualInfo, error)
}

8
domain/consensus/model/externalapi/virtual.go Normal file
View File

@ -0,0 +1,8 @@
package externalapi
// VirtualInfo represents information about the virtual block needed by external components
type VirtualInfo struct {
ParentHashes []*DomainHash
Bits uint32
PastMedianTime int64
}

9
domain/consensus/utils/hashes/from_string.go → domain/consensus/utils/hashes/strings.go
View File

@ -55,3 +55,12 @@ func decode(dst *externalapi.DomainHash, src string) error {
return nil
}
// ToStrings converts a slice of hashes into a slice of the corresponding strings
func ToStrings(hashes []*externalapi.DomainHash) []string {
strings := make([]string, len(hashes))
for i, hash := range hashes {
strings[i] = hash.String()
}
return strings
}

164
infrastructure/network/netadapter/server/grpcserver/protowire/messages.pb.go
View File

@ -5637,10 +5637,11 @@ type GetBlockDagInfoResponseMessage struct {
NetworkName string `protobuf:"bytes,1,opt,name=networkName,proto3" json:"networkName,omitempty"`
BlockCount uint64 `protobuf:"varint,2,opt,name=blockCount,proto3" json:"blockCount,omitempty"`
TipHashes []string `protobuf:"bytes,3,rep,name=tipHashes,proto3" json:"tipHashes,omitempty"`
Difficulty float64 `protobuf:"fixed64,4,opt,name=difficulty,proto3" json:"difficulty,omitempty"`
PastMedianTime int64 `protobuf:"varint,5,opt,name=pastMedianTime,proto3" json:"pastMedianTime,omitempty"`
VirtualParentHashes []string `protobuf:"bytes,6,rep,name=virtualParentHashes,proto3" json:"virtualParentHashes,omitempty"`
HeaderCount uint64 `protobuf:"varint,3,opt,name=headerCount,proto3" json:"headerCount,omitempty"`
TipHashes []string `protobuf:"bytes,4,rep,name=tipHashes,proto3" json:"tipHashes,omitempty"`
Difficulty float64 `protobuf:"fixed64,5,opt,name=difficulty,proto3" json:"difficulty,omitempty"`
PastMedianTime int64 `protobuf:"varint,6,opt,name=pastMedianTime,proto3" json:"pastMedianTime,omitempty"`
VirtualParentHashes []string `protobuf:"bytes,7,rep,name=virtualParentHashes,proto3" json:"virtualParentHashes,omitempty"`
Error *RPCError `protobuf:"bytes,1000,opt,name=error,proto3" json:"error,omitempty"`
}
@ -5690,6 +5691,13 @@ func (x *GetBlockDagInfoResponseMessage) GetBlockCount() uint64 {
return 0
}
func (x *GetBlockDagInfoResponseMessage) GetHeaderCount() uint64 {
if x != nil {
return x.HeaderCount
}
return 0
}
func (x *GetBlockDagInfoResponseMessage) GetTipHashes() []string {
if x != nil {
return x.TipHashes
@ -7205,88 +7213,90 @@ var file_messages_proto_rawDesc = []byte{
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}
var (

9
infrastructure/network/netadapter/server/grpcserver/protowire/messages.proto
View File

@ -563,10 +563,11 @@ message GetBlockDagInfoRequestMessage{
message GetBlockDagInfoResponseMessage{
string networkName = 1;
uint64 blockCount = 2;
repeated string tipHashes = 3;
double difficulty = 4;
int64 pastMedianTime = 5;
repeated string virtualParentHashes = 6;
uint64 headerCount = 3;
repeated string tipHashes = 4;
double difficulty = 5;
int64 pastMedianTime = 6;
repeated string virtualParentHashes = 7;
RPCError error = 1000;
}

2
infrastructure/network/netadapter/server/grpcserver/protowire/rpc_get_block_dag_info.go
View File

@ -21,6 +21,7 @@ func (x *KaspadMessage_GetBlockDagInfoResponse) toAppMessage() (appmessage.Messa
return &appmessage.GetBlockDAGInfoResponseMessage{
NetworkName: x.GetBlockDagInfoResponse.NetworkName,
BlockCount: x.GetBlockDagInfoResponse.BlockCount,
HeaderCount: x.GetBlockDagInfoResponse.HeaderCount,
TipHashes: x.GetBlockDagInfoResponse.TipHashes,
VirtualParentHashes: x.GetBlockDagInfoResponse.VirtualParentHashes,
Difficulty: x.GetBlockDagInfoResponse.Difficulty,
@ -37,6 +38,7 @@ func (x *KaspadMessage_GetBlockDagInfoResponse) fromAppMessage(message *appmessa
x.GetBlockDagInfoResponse = &GetBlockDagInfoResponseMessage{
NetworkName: message.NetworkName,
BlockCount: message.BlockCount,
HeaderCount: message.HeaderCount,
TipHashes: message.TipHashes,
VirtualParentHashes: message.VirtualParentHashes,
Difficulty: message.Difficulty,