Handling Loan request

docs/static/openapi.yml

@@ -16447,6 +16447,51 @@ paths:
                   additionalProperties: {}
       tags:
         - Query
+  /loan.loan.Msg/RequestLoan:
+    post:
+      operationId: LoanLoanMsg_RequestLoan
+      responses:
+        '200':
+          description: A successful response.
+          schema:
+            type: object
+        default:
+          description: An unexpected error response.
+          schema:
+            type: object
+            properties:
+              code:
+                type: integer
+                format: int32
+              message:
+                type: string
+              details:
+                type: array
+                items:
+                  type: object
+                  properties:
+                    '@type':
+                      type: string
+                  additionalProperties: {}
+      parameters:
+        - name: body
+          in: body
+          required: true
+          schema:
+            type: object
+            properties:
+              creator:
+                type: string
+              amount:
+                type: string
+              fee:
+                type: string
+              collateral:
+                type: string
+              deadline:
+                type: string
+      tags:
+        - Msg
   /loan.loan.Msg/UpdateParams:
     post:
       summary: |-
@@ -16495,10 +16540,7 @@ paths:
                   authority is the address that controls the module (defaults to
                   x/gov unless overwritten).
               params:
-                description: |-
-                  params defines the module parameters to update.
-
-                  NOTE: All parameters must be supplied.
+                description: 'NOTE: All parameters must be supplied.'
                 type: object
             description: MsgUpdateParams is the Msg/UpdateParams request type.
       tags:
@@ -23336,6 +23378,21 @@ definitions:
         description: params holds all the parameters of this module.
         type: object
     description: QueryParamsResponse is response type for the Query/Params RPC method.
+  loan.loan.MsgRequestLoan:
+    type: object
+    properties:
+      creator:
+        type: string
+      amount:
+        type: string
+      fee:
+        type: string
+      collateral:
+        type: string
+      deadline:
+        type: string
+  loan.loan.MsgRequestLoanResponse:
+    type: object
   loan.loan.MsgUpdateParams:
     type: object
     properties:
@@ -23345,10 +23402,7 @@ definitions:
           authority is the address that controls the module (defaults to x/gov
           unless overwritten).
       params:
-        description: |-
-          params defines the module parameters to update.
-
-          NOTE: All parameters must be supplied.
+        description: 'NOTE: All parameters must be supplied.'
         type: object
     description: MsgUpdateParams is the Msg/UpdateParams request type.
   loan.loan.MsgUpdateParamsResponse:

proto/loan/loan/tx.proto

@@ -1,4 +1,5 @@
 syntax = "proto3";
+
 package loan.loan;
 
 import "amino/amino.proto";
@@ -12,29 +13,38 @@ option go_package = "loan/x/loan/types";
 // Msg defines the Msg service.
 service Msg {
   option (cosmos.msg.v1.service) = true;
-
+  
   // UpdateParams defines a (governance) operation for updating the module
   // parameters. The authority defaults to the x/gov module account.
-  rpc UpdateParams(MsgUpdateParams) returns (MsgUpdateParamsResponse);
+  rpc UpdateParams (MsgUpdateParams) returns (MsgUpdateParamsResponse);
+  rpc RequestLoan  (MsgRequestLoan ) returns (MsgRequestLoanResponse );
 }
-
 // MsgUpdateParams is the Msg/UpdateParams request type.
 message MsgUpdateParams {
-  option (cosmos.msg.v1.signer) = "authority";
-  option (amino.name) = "loan/x/loan/MsgUpdateParams";
-
+  option (cosmos.msg.v1.signer) =                   "authority";
+  option           (amino.name) = "loan/x/loan/MsgUpdateParams";
+  
   // authority is the address that controls the module (defaults to x/gov unless overwritten).
   string authority = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];
 
   // params defines the module parameters to update.
-  //
+
   // NOTE: All parameters must be supplied.
-  Params params = 2 [
-    (gogoproto.nullable) = false,
-    (amino.dont_omitempty) = true
-  ];
+  Params params = 2 [(gogoproto.nullable) = false, (amino.dont_omitempty) = true];
 }
 
 // MsgUpdateParamsResponse defines the response structure for executing a
 // MsgUpdateParams message.
-message MsgUpdateParamsResponse {}
+message MsgUpdateParamsResponse {}
+
+message MsgRequestLoan {
+  option (cosmos.msg.v1.signer) = "creator";
+  string creator    = 1;
+  string amount     = 2;
+  string fee        = 3;
+  string collateral = 4;
+  string deadline   = 5;
+}
+
+message MsgRequestLoanResponse {}
+

x/loan/keeper/msg_server_request_loan.go

@@ -0,0 +1,18 @@
+package keeper
+
+import (
+	"context"
+
+	"loan/x/loan/types"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+func (k msgServer) RequestLoan(goCtx context.Context, msg *types.MsgRequestLoan) (*types.MsgRequestLoanResponse, error) {
+	ctx := sdk.UnwrapSDKContext(goCtx)
+
+	// TODO: Handling the message
+	_ = ctx
+
+	return &types.MsgRequestLoanResponse{}, nil
+}

x/loan/module/autocli.go

@@ -39,6 +39,12 @@ func (am AppModule) AutoCLIOptions() *autocliv1.ModuleOptions {
 					RpcMethod: "UpdateParams",
 					Skip:      true, // skipped because authority gated
 				},
+				{
+					RpcMethod:      "RequestLoan",
+					Use:            "request-loan [amount] [fee] [collateral] [deadline]",
+					Short:          "Send a request-loan tx",
+					PositionalArgs: []*autocliv1.PositionalArgDescriptor{{ProtoField: "amount"}, {ProtoField: "fee"}, {ProtoField: "collateral"}, {ProtoField: "deadline"}},
+				},
 				// this line is used by ignite scaffolding # autocli/tx
 			},
 		},

x/loan/module/simulation.go

@@ -23,7 +23,11 @@ var (
 )
 
 const (
-// this line is used by starport scaffolding # simapp/module/const
+	opWeightMsgRequestLoan = "op_weight_msg_request_loan"
+	// TODO: Determine the simulation weight value
+	defaultWeightMsgRequestLoan int = 100
+
+	// this line is used by starport scaffolding # simapp/module/const
 )
 
 // GenerateGenesisState creates a randomized GenState of the module.
@@ -46,6 +50,17 @@ func (am AppModule) RegisterStoreDecoder(_ simtypes.StoreDecoderRegistry) {}
 func (am AppModule) WeightedOperations(simState module.SimulationState) []simtypes.WeightedOperation {
 	operations := make([]simtypes.WeightedOperation, 0)
 
+	var weightMsgRequestLoan int
+	simState.AppParams.GetOrGenerate(opWeightMsgRequestLoan, &weightMsgRequestLoan, nil,
+		func(_ *rand.Rand) {
+			weightMsgRequestLoan = defaultWeightMsgRequestLoan
+		},
+	)
+	operations = append(operations, simulation.NewWeightedOperation(
+		weightMsgRequestLoan,
+		loansimulation.SimulateMsgRequestLoan(am.accountKeeper, am.bankKeeper, am.keeper),
+	))
+
 	// this line is used by starport scaffolding # simapp/module/operation
 
 	return operations
@@ -54,6 +69,14 @@ func (am AppModule) WeightedOperations(simState module.SimulationState) []simtyp
 // ProposalMsgs returns msgs used for governance proposals for simulations.
 func (am AppModule) ProposalMsgs(simState module.SimulationState) []simtypes.WeightedProposalMsg {
 	return []simtypes.WeightedProposalMsg{
+		simulation.NewWeightedProposalMsg(
+			opWeightMsgRequestLoan,
+			defaultWeightMsgRequestLoan,
+			func(r *rand.Rand, ctx sdk.Context, accs []simtypes.Account) sdk.Msg {
+				loansimulation.SimulateMsgRequestLoan(am.accountKeeper, am.bankKeeper, am.keeper)
+				return nil
+			},
+		),
 		// this line is used by starport scaffolding # simapp/module/OpMsg
 	}
 }

x/loan/simulation/request_loan.go

@@ -0,0 +1,30 @@
+package simulation
+
+import (
+	"math/rand"
+
+	"loan/x/loan/keeper"
+	"loan/x/loan/types"
+
+	"github.com/cosmos/cosmos-sdk/baseapp"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
+)
+
+func SimulateMsgRequestLoan(
+	ak types.AccountKeeper,
+	bk types.BankKeeper,
+	k keeper.Keeper,
+) simtypes.Operation {
+	return func(r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accs []simtypes.Account, chainID string,
+	) (simtypes.OperationMsg, []simtypes.FutureOperation, error) {
+		simAccount, _ := simtypes.RandomAcc(r, accs)
+		msg := &types.MsgRequestLoan{
+			Creator: simAccount.Address.String(),
+		}
+
+		// TODO: Handling the RequestLoan simulation
+
+		return simtypes.NoOpMsg(types.ModuleName, sdk.MsgTypeURL(msg), "RequestLoan simulation not implemented"), nil, nil
+	}
+}

x/loan/types/codec.go

@@ -8,6 +8,9 @@ import (
 )
 
 func RegisterInterfaces(registry cdctypes.InterfaceRegistry) {
+	registry.RegisterImplementations((*sdk.Msg)(nil),
+		&MsgRequestLoan{},
+	)
 	// this line is used by starport scaffolding # 3
 
 	registry.RegisterImplementations((*sdk.Msg)(nil),

x/loan/types/message_request_loan.go

@@ -0,0 +1,27 @@
+package types
+
+import (
+	errorsmod "cosmossdk.io/errors"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
+)
+
+var _ sdk.Msg = &MsgRequestLoan{}
+
+func NewMsgRequestLoan(creator string, amount string, fee string, collateral string, deadline string) *MsgRequestLoan {
+	return &MsgRequestLoan{
+		Creator:    creator,
+		Amount:     amount,
+		Fee:        fee,
+		Collateral: collateral,
+		Deadline:   deadline,
+	}
+}
+
+func (msg *MsgRequestLoan) ValidateBasic() error {
+	_, err := sdk.AccAddressFromBech32(msg.Creator)
+	if err != nil {
+		return errorsmod.Wrapf(sdkerrors.ErrInvalidAddress, "invalid creator address (%s)", err)
+	}
+	return nil
+}