From 3cee5fde1489c6d78df161ec087557b29991f684 Mon Sep 17 00:00:00 2001
From: Jimmy Hu <jimmy.hu@dexon.org>
Date: Fri, 25 Jan 2019 17:33:39 +0800
Subject: core: vm: Add amount to undelegate event (#176)

---
 core/vm/governance.go     | 8 ++++----
 core/vm/governance_abi.go | 5 +++++
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/core/vm/governance.go b/core/vm/governance.go
index b400ba61b..684e22104 100644
--- a/core/vm/governance.go
+++ b/core/vm/governance.go
@@ -1442,12 +1442,12 @@ func (s *GovernanceStateHelper) emitDelegated(nodeAddr, delegatorAddr common.Add
 	})
 }
 
-// event Undelegated(address indexed NodeAddress, address indexed DelegatorAddress);
-func (s *GovernanceStateHelper) emitUndelegated(nodeAddr, delegatorAddr common.Address) {
+// event Undelegated(address indexed NodeAddress, address indexed DelegatorAddress, uint256 Amount);
+func (s *GovernanceStateHelper) emitUndelegated(nodeAddr, delegatorAddr common.Address, amount *big.Int) {
 	s.StateDB.AddLog(&types.Log{
 		Address: GovernanceContractAddress,
 		Topics:  []common.Hash{events["Undelegated"].Id(), nodeAddr.Hash(), delegatorAddr.Hash()},
-		Data:    []byte{},
+		Data:    common.BigToHash(amount).Bytes(),
 	})
 }
 
@@ -1883,7 +1883,7 @@ func (g *GovernanceContract) undelegateHelper(nodeAddr, caller common.Address) (
 	// Subtract to network total staked.
 	g.state.DecTotalStaked(delegator.Value)
 
-	g.state.emitUndelegated(nodeAddr, caller)
+	g.state.emitUndelegated(nodeAddr, caller, delegator.Value)
 
 	return g.useGas(100000)
 }
diff --git a/core/vm/governance_abi.go b/core/vm/governance_abi.go
index 4627050dc..c3ad691b6 100644
--- a/core/vm/governance_abi.go
+++ b/core/vm/governance_abi.go
@@ -700,6 +700,11 @@ const GovernanceABIJSON = `
         "indexed": true,
         "name": "DelegatorAddress",
         "type": "address"
+      },
+      {
+        "indexed": false,
+        "name": "Amount",
+        "type": "uint256"
       }
     ],
     "name": "Undelegated",
-- 
cgit v1.2.3