fix: use fedConsensusPath to derive for consensus federationNodes (#290)

[bytom/vapor.git] / protocol / state / consensus_result.go

diff --git a/protocol/state/consensus_result.go b/protocol/state/consensus_result.go
index 9313c4b..e124143 100644 (file)
--- a/protocol/state/consensus_result.go
+++ b/protocol/state/consensus_result.go
@@ -14,6 +14,15 @@ import (
        "github.com/vapor/protocol/bc/types"
 )
 
+// fedConsensusPath is used to derive federation root xpubs for signing blocks
+var fedConsensusPath = [][]byte{
+       []byte{0xff, 0xff, 0xff, 0xff},
+       []byte{0xff, 0x00, 0x00, 0x00},
+       []byte{0xff, 0xff, 0xff, 0xff},
+       []byte{0xff, 0x00, 0x00, 0x00},
+       []byte{0xff, 0x00, 0x00, 0x00},
+}
+
 // ConsensusNode represents a consensus node
 type ConsensusNode struct {
        XPub    chainkd.XPub
@@ -311,7 +320,8 @@ func (c *ConsensusResult) GetCoinbaseRewards(blockHeight uint64) ([]CoinbaseRewa
 func federationNodes() map[string]*ConsensusNode {
        consensusResult := map[string]*ConsensusNode{}
        for i, xpub := range config.CommonConfig.Federation.Xpubs {
-               consensusResult[xpub.String()] = &ConsensusNode{XPub: xpub, VoteNum: 0, Order: uint64(i)}
+               derivedXPub := xpub.Derive(fedConsensusPath)
+               consensusResult[derivedXPub.String()] = &ConsensusNode{XPub: derivedXPub, VoteNum: 0, Order: uint64(i)}
        }
        return consensusResult
 }