service Msg {
  option (cosmos.msg.v1.service) = true;

  // Updates hook subscriptions for a specific contract address.
  // To remove a subscription, pass an empty array to `hook_subscription.hooks`.
  // Can only be executed by the module's authority.
  rpc ManageHookSubscription(MsgManageHookSubscription) returns (MsgManageHookSubscriptionResponse);
}

message MsgManageHookSubscription {
  option (cosmos.msg.v1.signer) = "authority";
  option (amino.name) = "harpoon/MsgManageHookSubscription";

  // Address of the governance account
  string authority = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];
  
  // Hook subscription to be updated
  HookSubscription hook_subscription = 2;
}

message MsgManageHookSubscriptionResponse {}

message HookSubscription {
  // Contract address to update subscriptions for
  string contract_address = 2;
  
  // List of hooks to subscribe to. Hooks not listed here will be removed.
  repeated HookType hooks = 3;
}

service Query {
  // Retrieves contracts subscribed to a specific hook type.
  rpc SubscribedContracts(QuerySubscribedContractsRequest) returns (QuerySubscribedContractsResponse) {
    option (google.api.http).get = "/neutron/harpoon/subscribed_contracts";
  }
}

message QuerySubscribedContractsRequest {
  // The response will include only contract addresses for this hook type
  HookType hook_type = 1;
}

message QuerySubscribedContractsResponse {
  // List of contract addresses subscribed to a specific hook
  repeated string contract_addresses = 1;
}

neutrond query harpoon subscribed-contracts [hook-type]

neutrond query harpoon subscribed-contracts HOOK_TYPE_AFTER_VALIDATOR_CREATED

enum HookType {
  option (gogoproto.goproto_enum_prefix) = false;

  HOOK_TYPE_UNSPECIFIED = 0;
  // Triggered after validator is created
  HOOK_TYPE_AFTER_VALIDATOR_CREATED = 1;
  // Triggered before validator is modified
  HOOK_TYPE_BEFORE_VALIDATOR_MODIFIED = 2;
  // Triggered after validator is removed
  HOOK_TYPE_AFTER_VALIDATOR_REMOVED = 3;
  // Triggered after validator is bonded
  HOOK_TYPE_AFTER_VALIDATOR_BONDED = 4;
  // Triggered after validator begins unbonding
  HOOK_TYPE_AFTER_VALIDATOR_BEGIN_UNBONDING = 5;
  // Triggered before delegation is created
  HOOK_TYPE_BEFORE_DELEGATION_CREATED = 6;
  // Triggered before delegation's shares are modified
  HOOK_TYPE_BEFORE_DELEGATION_SHARES_MODIFIED = 7;
  // Triggered before delegation is removed
  HOOK_TYPE_BEFORE_DELEGATION_REMOVED = 8;
  // Triggered after delegation is modified
  HOOK_TYPE_AFTER_DELEGATION_MODIFIED = 9;
  // Triggered before validator is slashed
  HOOK_TYPE_BEFORE_VALIDATOR_SLASHED = 10;
  // Triggered after unbonding is initiated
  HOOK_TYPE_AFTER_UNBONDING_INITIATED = 11;
}

message HookSubscriptions {
  // The hook type being subscribed to
  HookType hook_type = 1;
  // Contract addresses subscribed to this hook type
  repeated string contract_addresses = 2;
}

KEY: []byte("subscriptions") + BigEndian(uint32(hookType))
VALUE: HookSubscriptions (marshaled protobuf)

message GenesisState {
  // List of hooks
  repeated HookSubscriptions hook_subscriptions = 1 [(gogoproto.nullable) = false];
}

// AfterValidatorCreated
{
  "after_validator_created": {
    "val_addr": "neutronvaloper1..."
  }
}

// BeforeValidatorModified
{
  "before_validator_modified": {
    "val_addr": "neutronvaloper1..."
  }
}

// AfterValidatorRemoved
{
  "after_validator_removed": {
    "cons_addr": "neutronvalcons1...",
    "val_addr": "neutronvaloper1..."
  }
}

// AfterValidatorBonded
{
  "after_validator_bonded": {
    "cons_addr": "neutronvalcons1...",
    "val_addr": "neutronvaloper1..."
  }
}

// AfterValidatorBeginUnbonding
{
  "after_validator_begin_unbonding": {
    "cons_addr": "neutronvalcons1...",
    "val_addr": "neutronvaloper1..."
  }
}

// BeforeValidatorSlashed
{
  "before_validator_slashed": {
    "val_addr": "neutronvaloper1...",
    "fraction": "0.050000000000000000",
    "tokens_to_burn": "1000000"
  }
}

// BeforeDelegationCreated
{
  "before_delegation_created": {
    "del_addr": "neutron1...",
    "val_addr": "neutronvaloper1..."
  }
}

// BeforeDelegationSharesModified
{
  "before_delegation_shares_modified": {
    "del_addr": "neutron1...",
    "val_addr": "neutronvaloper1..."
  }
}

// BeforeDelegationRemoved
{
  "before_delegation_removed": {
    "del_addr": "neutron1...",
    "val_addr": "neutronvaloper1..."
  }
}

// AfterDelegationModified
{
  "after_delegation_modified": {
    "del_addr": "neutron1...",
    "val_addr": "neutronvaloper1..."
  }
}

// AfterUnbondingInitiated
{
  "after_unbonding_initiated": {
    "id": 12345
  }
}