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cosmos · Jul 16, 2024 · 5c13905 · 5c13905
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diff --git a/.changelog/unreleased/api-breaking/1964-deprecate-soft-opt-out.md b/.changelog/unreleased/api-breaking/1964-deprecate-soft-opt-out.md
@@ -0,0 +1,2 @@
+- Remove soft opt-out feature. 
+  ([\#1964](https://github.com/cosmos/interchain-security/pull/1964))
diff --git a/.changelog/unreleased/features/1964-deprecate-soft-opt-out.md b/.changelog/unreleased/features/1964-deprecate-soft-opt-out.md
@@ -0,0 +1,2 @@
+- Remove soft opt-out feature. 
+  ([\#1964](https://github.com/cosmos/interchain-security/pull/1964))
diff --git a/.changelog/unreleased/state-breaking/1964-deprecate-soft-opt-out.md b/.changelog/unreleased/state-breaking/1964-deprecate-soft-opt-out.md
@@ -0,0 +1,2 @@
+- Remove soft opt-out feature. 
+  ([\#1964](https://github.com/cosmos/interchain-security/pull/1964))
diff --git a/docs/docs/features/proposals.md b/docs/docs/features/proposals.md
@@ -77,14 +77,6 @@ Minimal example:
 }
 ```
 
-:::warning
-Before the introduction of Partial Set Security, consumer chains typically included a "soft opt-out mechanism"
-which allows the bottom N% of the provider's validators to not validate the consumer chain, without being jailed for downtime on the provider.
-After the introduction of Partial Set Security, the use of the soft opt-out mechanism is discouraged, and consumer chains are
-encouraged to use the topN parameter to not force validators with little stake to validate the chain.
-:::
-
-
 ## `ConsumerModificationProposal`
 Proposal type used to change the power shaping parameters of a running consumer chain, as well as to change a Top N running
 consumer chain to an Opt-In chain and vice versa.

diff --git a/tests/e2e/actions.go b/tests/e2e/actions.go
@@ -468,7 +468,6 @@ func (tr Chain) submitConsumerModificationProposal(
 	}
 
 	bz, err = cmd.CombinedOutput()
-
 	if err != nil {
 		log.Fatal(err, "\n", string(bz))
 	}

diff --git a/tests/e2e/steps_active_set_changes.go b/tests/e2e/steps_active_set_changes.go
@@ -91,12 +91,6 @@ func stepsActiveSetChanges() []Step {
 					{Id: ValidatorID("bob"), Stake: 200000000, Allocation: 10000000000},
 					{Id: ValidatorID("carol"), Stake: 700000000, Allocation: 10000000000},
 				},
-				// For consumers that're launching with the provider being on an earlier version
-				// of ICS before the soft opt-out threshold was introduced, we need to set the
-				// soft opt-out threshold to 0.05 in the consumer genesis to ensure that the
-				// consumer binary doesn't panic. Sdk requires that all params are set to valid
-				// values from the genesis file.
-				GenesisChanges: ".app_state.ccvconsumer.params.soft_opt_out_threshold = \"0.05\"",
 			},
 			State: State{},
 		},

diff --git a/tests/e2e/steps_consumer_misbehaviour.go b/tests/e2e/steps_consumer_misbehaviour.go
@@ -37,7 +37,7 @@ func stepsStartChainsForConsumerMisbehaviour(consumerName string) []Step {
 				ConsumerChain: ChainID(consumerName),
 				SpawnTime:     0,
 				InitialHeight: clienttypes.Height{RevisionNumber: 0, RevisionHeight: 1},
-				TopN:          100,
+				TopN:          0,
 			},
 			State: State{
 				ChainID("provi"): ChainState{

diff --git a/tests/e2e/steps_partial_set_security.go b/tests/e2e/steps_partial_set_security.go
@@ -123,12 +123,6 @@ func stepsOptInChain() []Step {
 					{Id: ValidatorID("bob"), Stake: 200000000, Allocation: 10000000000},
 					{Id: ValidatorID("carol"), Stake: 300000000, Allocation: 10000000000},
 				},
-				// For consumers that're launching with the provider being on an earlier version
-				// of ICS before the soft opt-out threshold was introduced, we need to set the
-				// soft opt-out threshold to 0.05 in the consumer genesis to ensure that the
-				// consumer binary doesn't panic. Sdk requires that all params are set to valid
-				// values from the genesis file.
-				GenesisChanges: ".app_state.ccvconsumer.params.soft_opt_out_threshold = \"0.05\"",
 			},
 			State: State{
 				ChainID("consu"): ChainState{
@@ -618,12 +612,6 @@ func stepsTopNChain() []Step {
 					{Id: ValidatorID("bob"), Stake: 300000000, Allocation: 10000000000},
 					{Id: ValidatorID("carol"), Stake: 500000000, Allocation: 10000000000},
 				},
-				// For consumers that're launching with the provider being on an earlier version
-				// of ICS before the soft opt-out threshold was introduced, we need to set the
-				// soft opt-out threshold to 0.05 in the consumer genesis to ensure that the
-				// consumer binary doesn't panic. Sdk requires that all params are set to valid
-				// values from the genesis file.
-				GenesisChanges: ".app_state.ccvconsumer.params.soft_opt_out_threshold = \"0.05\"",
 			},
 			State: State{
 				ChainID("consu"): ChainState{
@@ -1149,12 +1137,6 @@ func stepsValidatorSetCappedChain() []Step {
 					{Id: ValidatorID("bob"), Stake: 200000000, Allocation: 10000000000},
 					{Id: ValidatorID("carol"), Stake: 300000000, Allocation: 10000000000},
 				},
-				// For consumers that're launching with the provider being on an earlier version
-				// of ICS before the soft opt-out threshold was introduced, we need to set the
-				// soft opt-out threshold to 0.05 in the consumer genesis to ensure that the
-				// consumer binary doesn't panic. Sdk requires that all params are set to valid
-				// values from the genesis file.
-				GenesisChanges: ".app_state.ccvconsumer.params.soft_opt_out_threshold = \"0.05\"",
 			},
 			State: State{
 				ChainID("consu"): ChainState{
@@ -1385,12 +1367,6 @@ func stepsValidatorsPowerCappedChain() []Step {
 					{Id: ValidatorID("bob"), Stake: 200000000, Allocation: 10000000000},
 					{Id: ValidatorID("carol"), Stake: 300000000, Allocation: 10000000000},
 				},
-				// For consumers that're launching with the provider being on an earlier version
-				// of ICS before the soft opt-out threshold was introduced, we need to set the
-				// soft opt-out threshold to 0.05 in the consumer genesis to ensure that the
-				// consumer binary doesn't panic. Sdk requires that all params are set to valid
-				// values from the genesis file.
-				GenesisChanges: ".app_state.ccvconsumer.params.soft_opt_out_threshold = \"0.05\"",
 			},
 			State: State{
 				ChainID("consu"): ChainState{
@@ -1511,8 +1487,10 @@ func stepsValidatorsAllowlistedChain() []Step {
 				InitialHeight: clienttypes.Height{RevisionNumber: 0, RevisionHeight: 1},
 				TopN:          0,
 				// only "alice" and "bob" are allowlisted (see `getDefaultValidators` in `tests/e2e/config.go`)
-				Allowlist: []string{"cosmosvalcons1qmq08eruchr5sf5s3rwz7djpr5a25f7xw4mceq",
-					"cosmosvalcons1nx7n5uh0ztxsynn4sje6eyq2ud6rc6klc96w39"},
+				Allowlist: []string{
+					"cosmosvalcons1qmq08eruchr5sf5s3rwz7djpr5a25f7xw4mceq",
+					"cosmosvalcons1nx7n5uh0ztxsynn4sje6eyq2ud6rc6klc96w39",
+				},
 			},
 			State: State{
 				ChainID("provi"): ChainState{
@@ -1622,12 +1600,6 @@ func stepsValidatorsAllowlistedChain() []Step {
 					{Id: ValidatorID("bob"), Stake: 200000000, Allocation: 10000000000},
 					{Id: ValidatorID("carol"), Stake: 300000000, Allocation: 10000000000},
 				},
-				// For consumers that're launching with the provider being on an earlier version
-				// of ICS before the soft opt-out threshold was introduced, we need to set the
-				// soft opt-out threshold to 0.05 in the consumer genesis to ensure that the
-				// consumer binary doesn't panic. Sdk requires that all params are set to valid
-				// values from the genesis file.
-				GenesisChanges: ".app_state.ccvconsumer.params.soft_opt_out_threshold = \"0.05\"",
 			},
 			State: State{
 				ChainID("consu"): ChainState{
@@ -1831,12 +1803,6 @@ func stepsValidatorsDenylistedChain() []Step {
 					{Id: ValidatorID("bob"), Stake: 200000000, Allocation: 10000000000},
 					{Id: ValidatorID("carol"), Stake: 300000000, Allocation: 10000000000},
 				},
-				// For consumers that're launching with the provider being on an earlier version
-				// of ICS before the soft opt-out threshold was introduced, we need to set the
-				// soft opt-out threshold to 0.05 in the consumer genesis to ensure that the
-				// consumer binary doesn't panic. Sdk requires that all params are set to valid
-				// values from the genesis file.
-				GenesisChanges: ".app_state.ccvconsumer.params.soft_opt_out_threshold = \"0.05\"",
 			},
 			State: State{
 				ChainID("consu"): ChainState{
@@ -2039,12 +2005,6 @@ func stepsModifyChain() []Step {
 					{Id: ValidatorID("bob"), Stake: 200000000, Allocation: 10000000000},
 					{Id: ValidatorID("carol"), Stake: 300000000, Allocation: 10000000000},
 				},
-				// For consumers that're launching with the provider being on an earlier version
-				// of ICS before the soft opt-out threshold was introduced, we need to set the
-				// soft opt-out threshold to 0.05 in the consumer genesis to ensure that the
-				// consumer binary doesn't panic. Sdk requires that all params are set to valid
-				// values from the genesis file.
-				GenesisChanges: ".app_state.ccvconsumer.params.soft_opt_out_threshold = \"0.05\"",
 			},
 			State: State{
 				ChainID("consu"): ChainState{
@@ -2249,8 +2209,10 @@ func stepsModifyChain() []Step {
 				Deposit:       10000001,
 				ConsumerChain: ChainID("consu"),
 				// only "alice" and "carol" are allowlisted (see `getDefaultValidators` in `tests/e2e/config.go`)
-				Allowlist: []string{"cosmosvalcons1qmq08eruchr5sf5s3rwz7djpr5a25f7xw4mceq",
-					"cosmosvalcons1ezyrq65s3gshhx5585w6mpusq3xsj3ayzf4uv6"},
+				Allowlist: []string{
+					"cosmosvalcons1qmq08eruchr5sf5s3rwz7djpr5a25f7xw4mceq",
+					"cosmosvalcons1ezyrq65s3gshhx5585w6mpusq3xsj3ayzf4uv6",
+				},
 			},
 			State: State{
 				ChainID("provi"): ChainState{
@@ -2437,7 +2399,8 @@ func stepsModifyChain() []Step {
 				ExpectError: true, // because this chain is now Top 100%, no validator can opt out
 			},
 			State: State{},
-		}}
+		},
+	}
 
 	return s
 }
diff --git a/tests/e2e/tracehandler_testdata/changeover.json b/tests/e2e/tracehandler_testdata/changeover.json
@@ -21,6 +21,7 @@
         "ValPowers": null,
         "StakedTokens": null,
         "IBCTransferParams": null,
+        "Params": null,
         "Rewards": null,
         "ConsumerChains": null,
         "AssignedKeys": null,
@@ -52,6 +53,7 @@
         },
         "StakedTokens": null,
         "IBCTransferParams": null,
+        "Params": null,
         "Rewards": null,
         "ConsumerChains": null,
         "AssignedKeys": null,
@@ -99,6 +101,7 @@
         "ValPowers": null,
         "StakedTokens": null,
         "IBCTransferParams": null,
+        "Params": null,
         "Rewards": null,
         "ConsumerChains": null,
         "AssignedKeys": null,
@@ -147,6 +150,7 @@
         "ValPowers": null,
         "StakedTokens": null,
         "IBCTransferParams": null,
+        "Params": null,
         "Rewards": null,
         "ConsumerChains": null,
         "AssignedKeys": null,
@@ -165,7 +169,7 @@
               "Deposit": 10000000,
               "Status": "2"
             },
-            "Type": "main.UpgradeProposal"
+            "Type": "e2e.UpgradeProposal"
           }
         }
       }
@@ -190,6 +194,7 @@
         "ValPowers": null,
         "StakedTokens": null,
         "IBCTransferParams": null,
+        "Params": null,
         "Rewards": null,
         "ConsumerChains": null,
         "AssignedKeys": null,
@@ -208,7 +213,7 @@
               "Deposit": 10000000,
               "Status": "3"
             },
-            "Type": "main.UpgradeProposal"
+            "Type": "e2e.UpgradeProposal"
           }
         }
       }
@@ -235,7 +240,11 @@
         "revision_height": 111
       },
       "DistributionChannel": "channel-0",
-      "TopN": 100
+      "TopN": 100,
+      "ValidatorsPowerCap": 0,
+      "ValidatorSetCap": 0,
+      "Allowlist": null,
+      "Denylist": null
     },
     "State": {
       "provi": {
@@ -247,6 +256,7 @@
         "ValPowers": null,
         "StakedTokens": null,
         "IBCTransferParams": null,
+        "Params": null,
         "Rewards": null,
         "ConsumerChains": null,
         "AssignedKeys": null,
@@ -266,7 +276,7 @@
               },
               "Status": "2"
             },
-            "Type": "main.ConsumerAdditionProposal"
+            "Type": "e2e.ConsumerAdditionProposal"
           }
         }
       }
@@ -298,6 +308,7 @@
         "ValPowers": null,
         "StakedTokens": null,
         "IBCTransferParams": null,
+        "Params": null,
         "Rewards": null,
         "ConsumerChains": null,
         "AssignedKeys": null,
@@ -317,7 +328,7 @@
               },
               "Status": "3"
             },
-            "Type": "main.ConsumerAdditionProposal"
+            "Type": "e2e.ConsumerAdditionProposal"
           }
         }
       }
@@ -358,6 +369,7 @@
         },
         "StakedTokens": null,
         "IBCTransferParams": null,
+        "Params": null,
         "Rewards": null,
         "ConsumerChains": null,
         "AssignedKeys": null,
@@ -378,6 +390,7 @@
         },
         "StakedTokens": null,
         "IBCTransferParams": null,
+        "Params": null,
         "Rewards": null,
         "ConsumerChains": null,
         "AssignedKeys": null,
@@ -430,6 +443,7 @@
         "ValPowers": null,
         "StakedTokens": null,
         "IBCTransferParams": null,
+        "Params": null,
         "Rewards": null,
         "ConsumerChains": null,
         "AssignedKeys": null,
@@ -461,6 +475,7 @@
         },
         "StakedTokens": null,
         "IBCTransferParams": null,
+        "Params": null,
         "Rewards": null,
         "ConsumerChains": null,
         "AssignedKeys": null,
@@ -481,6 +496,7 @@
         },
         "StakedTokens": null,
         "IBCTransferParams": null,
+        "Params": null,
         "Rewards": null,
         "ConsumerChains": null,
         "AssignedKeys": null,
@@ -512,6 +528,7 @@
         },
         "StakedTokens": null,
         "IBCTransferParams": null,
+        "Params": null,
         "Rewards": null,
         "ConsumerChains": null,
         "AssignedKeys": null,
@@ -541,6 +558,7 @@
         "ValPowers": null,
         "StakedTokens": null,
         "IBCTransferParams": null,
+        "Params": null,
         "Rewards": null,
         "ConsumerChains": null,
         "AssignedKeys": null,
@@ -572,6 +590,7 @@
         },
         "StakedTokens": null,
         "IBCTransferParams": null,
+        "Params": null,
         "Rewards": null,
         "ConsumerChains": null,
         "AssignedKeys": null,
@@ -592,6 +611,7 @@
         },
         "StakedTokens": null,
         "IBCTransferParams": null,
+        "Params": null,
         "Rewards": null,
         "ConsumerChains": null,
         "AssignedKeys": null,
@@ -623,6 +643,7 @@
         },
         "StakedTokens": null,
         "IBCTransferParams": null,
+        "Params": null,
         "Rewards": null,
         "ConsumerChains": null,
         "AssignedKeys": null,
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		- Remove soft opt-out feature.
		([\#1964](https://github.com/cosmos/interchain-security/pull/1964))
-Original file line number
+Diff line change
@@ Expand Up / @@ -468,7 +468,6 @@ func (tr Chain) submitConsumerModificationProposal( @@
     	}
     	bz, err = cmd.CombinedOutput()
     	if err != nil {
     		log.Fatal(err, "\n", string(bz))
     	}
@@ Expand Down @@