staking del minimum for locked token register delegator

onflow · Jun 26, 2023 · de95d0c · de95d0c
1 parent 3a41da7
commit de95d0c
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Showing 8 changed files with 121 additions and 17 deletions.
diff --git a/contracts/LockedTokens.cdc b/contracts/LockedTokens.cdc
@@ -220,6 +220,11 @@ pub contract LockedTokens {
 
             let vaultRef = self.vault.borrow()!
 
+            assert(
+                vaultRef.balance >= FlowIDTableStaking.getDelegatorMinimumStakeRequirement(),
+                message: "Must have the delegation minimum FLOW requirement in the locked vault to register a node"
+            )
+
             let tokens <- vaultRef.withdraw(amount: amount)
 
             let delegator <- self.nodeDelegator <- FlowIDTableStaking.registerNewDelegator(nodeID: nodeID, tokensCommitted: <-tokens)
@@ -347,9 +352,9 @@ pub contract LockedTokens {
 
         /// The user calls this function if they want to register as a node operator
         /// They have to provide the node ID for the node they want to delegate to
-        pub fun createNodeDelegator(nodeID: String, amount: UFix64) {
+        pub fun createNodeDelegator(nodeID: String) {
 
-            self.borrowTokenManager().registerDelegator(nodeID: nodeID, amount: amount)
+            self.borrowTokenManager().registerDelegator(nodeID: nodeID, amount: FlowIDTableStaking.getDelegatorMinimumStakeRequirement())
 
             // create a new delegator proxy that can be accessed in transactions
             self.nodeDelegatorProxy = LockedNodeDelegatorProxy(tokenManager: self.tokenManager)

diff --git a/contracts/testContracts/TestFlowIDTableStaking.cdc b/contracts/testContracts/TestFlowIDTableStaking.cdc
@@ -264,6 +264,12 @@ pub contract FlowIDTableStaking {
         return <-create NodeDelegator(id: 1, nodeID: nodeID)
     }
 
+    /// Gets the minimum stake requirement for delegators
+    pub fun getDelegatorMinimumStakeRequirement(): UFix64 {
+        return self.account.copy<UFix64>(from: /storage/delegatorStakingMinimum)
+            ?? 0.0
+    }
+
     init(_ epochTokenPayout: UFix64, _ rewardCut: UFix64, _ candidateLimits: {UInt8: UInt64}) {
     }
 }
diff --git a/lib/go/contracts/internal/assets/assets.go b/lib/go/contracts/internal/assets/assets.go
diff --git a/lib/go/templates/internal/assets/assets.go b/lib/go/templates/internal/assets/assets.go
diff --git a/lib/go/templates/manifest.mainnet.json b/lib/go/templates/manifest.mainnet.json
@@ -289,7 +289,7 @@
     {
       "id": "TH.17",
       "name": "Register Delegator",
-      "source": "import FlowToken from 0x1654653399040a61\nimport LockedTokens from 0x8d0e87b65159ae63\n\ntransaction(id: String, amount: UFix64) {\n\n    let holderRef: \u0026LockedTokens.TokenHolder\n\n    let vaultRef: \u0026FlowToken.Vault\n\n    prepare(account: AuthAccount) {\n        self.holderRef = account.borrow\u003c\u0026LockedTokens.TokenHolder\u003e(from: LockedTokens.TokenHolderStoragePath) \n            ?? panic(\"TokenHolder is not saved at specified path\")\n\n        self.vaultRef = account.borrow\u003c\u0026FlowToken.Vault\u003e(from: /storage/flowTokenVault)\n            ?? panic(\"Could not borrow flow token vault reference\")\n    }\n\n    execute {\n        let lockedBalance = self.holderRef.getLockedAccountBalance()\n\n        if amount \u003c= lockedBalance {\n\n            self.holderRef.createNodeDelegator(nodeID: id, amount: amount)\n\n        } else if ((amount - lockedBalance) \u003c= self.vaultRef.balance) {\n\n            self.holderRef.deposit(from: \u003c-self.vaultRef.withdraw(amount: amount - lockedBalance))\n\n            self.holderRef.createNodeDelegator(nodeID: id, amount: amount)\n\n        } else {\n            panic(\"Not enough tokens to stake!\")\n        }\n    }\n}\n",
+      "source": "import FlowToken from 0x1654653399040a61\nimport LockedTokens from 0x8d0e87b65159ae63\nimport FlowIDTableStaking from 0x8624b52f9ddcd04a\n\ntransaction(id: String, amount: UFix64) {\n\n    let holderRef: \u0026LockedTokens.TokenHolder\n\n    let vaultRef: \u0026FlowToken.Vault\n\n    prepare(account: AuthAccount) {\n        self.holderRef = account.borrow\u003c\u0026LockedTokens.TokenHolder\u003e(from: LockedTokens.TokenHolderStoragePath) \n            ?? panic(\"TokenHolder is not saved at specified path\")\n\n        self.vaultRef = account.borrow\u003c\u0026FlowToken.Vault\u003e(from: /storage/flowTokenVault)\n            ?? panic(\"Could not borrow flow token vault reference\")\n    }\n\n    execute {\n        let lockedBalance = self.holderRef.getLockedAccountBalance()\n\n        if amount \u003c= lockedBalance {\n\n            self.holderRef.createNodeDelegator(nodeID: id)\n\n            let stakerProxy = self.holderRef.borrowDelegator()\n\n            stakerProxy.delegateNewTokens(amount: amount - FlowIDTableStaking.getDelegatorMinimumStakeRequirement())\n\n        } else if ((amount - lockedBalance) \u003c= self.vaultRef.balance) {\n\n            self.holderRef.deposit(from: \u003c-self.vaultRef.withdraw(amount: amount - lockedBalance))\n\n            self.holderRef.createNodeDelegator(nodeID: id)\n\n            let stakerProxy = self.holderRef.borrowDelegator()\n\n            stakerProxy.delegateNewTokens(amount: amount - FlowIDTableStaking.getDelegatorMinimumStakeRequirement())\n\n        } else {\n            panic(\"Not enough tokens to stake!\")\n        }\n    }\n}\n",
       "arguments": [
         {
           "type": "String",
@@ -315,7 +315,7 @@
         }
       ],
       "network": "mainnet",
-      "hash": "38b3863f83ae9920c3bedf6db9cbfb67c2c6f73fab7fa96c116511419d4cec3c"
+      "hash": "35bd380710b471bc5efb41b2f1e8538aec2985f3e2bf196d5b2846a7d2db89ec"
     },
     {
       "id": "TH.19",