package rest import ( "fmt" "net/http" "strings" "github.com/gorilla/mux" "github.com/cosmos/cosmos-sdk/client/context" sdk "github.com/cosmos/cosmos-sdk/types" "github.com/cosmos/cosmos-sdk/types/rest" "github.com/cosmos/cosmos-sdk/x/auth/client/utils" govrest "github.com/cosmos/cosmos-sdk/x/gov/client/rest" govtypes "github.com/cosmos/cosmos-sdk/x/gov/types" "github.com/kava-labs/kava/x/committee/types" ) func registerTxRoutes(cliCtx context.CLIContext, r *mux.Router) { r.HandleFunc(fmt.Sprintf("/%s/committees/{%s}/proposals", types.ModuleName, RestCommitteeID), postProposalHandlerFn(cliCtx)).Methods("POST") r.HandleFunc(fmt.Sprintf("/%s/proposals/{%s}/votes", types.ModuleName, RestProposalID), postVoteHandlerFn(cliCtx)).Methods("POST") } // PostProposalReq defines the properties of a proposal request's body. type PostProposalReq struct { BaseReq rest.BaseReq `json:"base_req" yaml:"base_req"` PubProposal types.PubProposal `json:"pub_proposal" yaml:"pub_proposal"` Proposer sdk.AccAddress `json:"proposer" yaml:"proposer"` } func postProposalHandlerFn(cliCtx context.CLIContext) http.HandlerFunc { return func(w http.ResponseWriter, r *http.Request) { // Parse and validate url params vars := mux.Vars(r) if len(vars[RestCommitteeID]) == 0 { rest.WriteErrorResponse(w, http.StatusBadRequest, fmt.Sprintf("%s required but not specified", RestCommitteeID)) return } committeeID, ok := rest.ParseUint64OrReturnBadRequest(w, vars[RestCommitteeID]) if !ok { return } // Parse and validate http request body var req PostProposalReq if !rest.ReadRESTReq(w, r, cliCtx.Codec, &req) { return } req.BaseReq = req.BaseReq.Sanitize() if !req.BaseReq.ValidateBasic(w) { return } if err := req.PubProposal.ValidateBasic(); err != nil { rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error()) return } // Create and return a StdTx msg := types.NewMsgSubmitProposal(req.PubProposal, req.Proposer, committeeID) if err := msg.ValidateBasic(); err != nil { rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error()) return } utils.WriteGenerateStdTxResponse(w, cliCtx, req.BaseReq, []sdk.Msg{msg}) } } // PostVoteReq defines the properties of a vote request's body. type PostVoteReq struct { BaseReq rest.BaseReq `json:"base_req" yaml:"base_req"` Voter sdk.AccAddress `json:"voter" yaml:"voter"` Vote types.VoteType `json:"vote" yaml:"vote"` } func postVoteHandlerFn(cliCtx context.CLIContext) http.HandlerFunc { return func(w http.ResponseWriter, r *http.Request) { // Parse and validate url params vars := mux.Vars(r) if len(vars[RestProposalID]) == 0 { rest.WriteErrorResponse(w, http.StatusBadRequest, fmt.Sprintf("%s required but not specified", RestProposalID)) return } proposalID, ok := rest.ParseUint64OrReturnBadRequest(w, vars[RestProposalID]) if !ok { return } if len(vars[RestVote]) == 0 { rest.WriteErrorResponse(w, http.StatusBadRequest, fmt.Sprintf("%s required but not specified", RestVote)) return } rawVote := strings.ToLower(strings.TrimSpace(vars[RestVote])) if len(rawVote) == 0 { rest.WriteErrorResponse(w, http.StatusBadRequest, fmt.Sprintf("invalid %s: %s", RestVote, rawVote)) return } var vote types.VoteType switch rawVote { case "yes", "y": vote = types.Yes case "no", "n": vote = types.No default: rest.WriteErrorResponse(w, http.StatusBadRequest, "must specify a valid vote type (\"yes\", \"y\"/\"no\" \"n\")") return } // Parse and validate http request body var req PostVoteReq if !rest.ReadRESTReq(w, r, cliCtx.Codec, &req) { return } req.BaseReq = req.BaseReq.Sanitize() if !req.BaseReq.ValidateBasic(w) { return } // Create and return a StdTx msg := types.NewMsgVote(req.Voter, proposalID, vote) if err := msg.ValidateBasic(); err != nil { rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error()) return } utils.WriteGenerateStdTxResponse(w, cliCtx, req.BaseReq, []sdk.Msg{msg}) } } // This is a rest handler for for the gov module, that handles committee change/delete proposals. type PostGovProposalReq struct { BaseReq rest.BaseReq `json:"base_req" yaml:"base_req"` Content govtypes.Content `json:"content" yaml:"content"` Proposer sdk.AccAddress `json:"proposer" yaml:"proposer"` Deposit sdk.Coins `json:"deposit" yaml:"deposit"` } func ProposalRESTHandler(cliCtx context.CLIContext) govrest.ProposalRESTHandler { return govrest.ProposalRESTHandler{ SubRoute: "committee", Handler: postGovProposalHandlerFn(cliCtx), } } func postGovProposalHandlerFn(cliCtx context.CLIContext) http.HandlerFunc { return func(w http.ResponseWriter, r *http.Request) { // Parse and validate http request body var req PostGovProposalReq if !rest.ReadRESTReq(w, r, cliCtx.Codec, &req) { return } req.BaseReq = req.BaseReq.Sanitize() if !req.BaseReq.ValidateBasic(w) { return } if err := req.Content.ValidateBasic(); err != nil { rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error()) return } // Create and return a StdTx msg := govtypes.NewMsgSubmitProposal(req.Content, req.Deposit, req.Proposer) if err := msg.ValidateBasic(); err != nil { rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error()) return } utils.WriteGenerateStdTxResponse(w, cliCtx, req.BaseReq, []sdk.Msg{msg}) } }