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tx.go
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tx.go
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package rest
import (
"fmt"
"net/http"
"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"`
}
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
}
// 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)
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})
}
}