0g-chain/x/cdp/client/rest/tx.go

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package rest
import (
"bytes"
"fmt"
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"net/http"
"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"
"github.com/gorilla/mux"
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"github.com/kava-labs/kava/x/cdp/types"
)
func registerTxRoutes(cliCtx context.CLIContext, r *mux.Router) {
r.HandleFunc("/cdp", postCdpHandlerFn(cliCtx)).Methods("POST")
r.HandleFunc("/cdp/{owner}/{collateralType}/deposits", postDepositHandlerFn(cliCtx)).Methods("POST")
r.HandleFunc("/cdp/{owner}/{collateralType}/withdraw", postWithdrawHandlerFn(cliCtx)).Methods("POST")
r.HandleFunc("/cdp/{owner}/{collateralType}/draw", postDrawHandlerFn(cliCtx)).Methods("POST")
r.HandleFunc("/cdp/{owner}/{collateralType}/repay", postRepayHandlerFn(cliCtx)).Methods("POST")
}
func postCdpHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var requestBody PostCdpReq
if !rest.ReadRESTReq(w, r, cliCtx.Codec, &requestBody) {
return
}
requestBody.BaseReq = requestBody.BaseReq.Sanitize()
if !requestBody.BaseReq.ValidateBasic(w) {
return
}
fromAddr, err := sdk.AccAddressFromBech32(requestBody.BaseReq.From)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
if !bytes.Equal(fromAddr, requestBody.Sender) {
rest.WriteErrorResponse(w, http.StatusUnauthorized, fmt.Sprintf("expected: %s, got: %s", fromAddr, requestBody.Sender))
return
}
msg := types.NewMsgCreateCDP(
requestBody.Sender,
requestBody.Collateral,
requestBody.Principal,
requestBody.CollateralType,
)
if err := msg.ValidateBasic(); err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
utils.WriteGenerateStdTxResponse(w, cliCtx, requestBody.BaseReq, []sdk.Msg{msg})
}
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}
func postDepositHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
var requestBody PostDepositReq
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if !rest.ReadRESTReq(w, r, cliCtx.Codec, &requestBody) {
return
}
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requestBody.BaseReq = requestBody.BaseReq.Sanitize()
if !requestBody.BaseReq.ValidateBasic(w) {
return
}
msg := types.NewMsgDeposit(
requestBody.Owner,
requestBody.Depositor,
requestBody.Collateral,
requestBody.CollateralType,
)
if err := msg.ValidateBasic(); err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
utils.WriteGenerateStdTxResponse(w, cliCtx, requestBody.BaseReq, []sdk.Msg{msg})
}
}
func postWithdrawHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var requestBody PostWithdrawalReq
if !rest.ReadRESTReq(w, r, cliCtx.Codec, &requestBody) {
return
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}
requestBody.BaseReq = requestBody.BaseReq.Sanitize()
if !requestBody.BaseReq.ValidateBasic(w) {
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return
}
msg := types.NewMsgWithdraw(
requestBody.Owner,
requestBody.Depositor,
requestBody.Collateral,
requestBody.CollateralType,
)
if err := msg.ValidateBasic(); err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
utils.WriteGenerateStdTxResponse(w, cliCtx, requestBody.BaseReq, []sdk.Msg{msg})
}
}
func postDrawHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var requestBody PostDrawReq
if !rest.ReadRESTReq(w, r, cliCtx.Codec, &requestBody) {
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return
}
requestBody.BaseReq = requestBody.BaseReq.Sanitize()
if !requestBody.BaseReq.ValidateBasic(w) {
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return
}
fromAddr, err := sdk.AccAddressFromBech32(requestBody.BaseReq.From)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
if !bytes.Equal(fromAddr, requestBody.Owner) {
rest.WriteErrorResponse(w, http.StatusUnauthorized, fmt.Sprintf("expected: %s, got: %s", fromAddr, requestBody.Owner))
return
}
msg := types.NewMsgDrawDebt(
requestBody.Owner,
requestBody.CollateralType,
requestBody.Principal,
)
if err := msg.ValidateBasic(); err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
utils.WriteGenerateStdTxResponse(w, cliCtx, requestBody.BaseReq, []sdk.Msg{msg})
}
}
func postRepayHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var requestBody PostRepayReq
if !rest.ReadRESTReq(w, r, cliCtx.Codec, &requestBody) {
return
}
requestBody.BaseReq = requestBody.BaseReq.Sanitize()
if !requestBody.BaseReq.ValidateBasic(w) {
return
}
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fromAddr, err := sdk.AccAddressFromBech32(requestBody.BaseReq.From)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
if !bytes.Equal(fromAddr, requestBody.Owner) {
rest.WriteErrorResponse(w, http.StatusUnauthorized, fmt.Sprintf("expected: %s, got: %s", fromAddr, requestBody.Owner))
return
}
msg := types.NewMsgRepayDebt(
requestBody.Owner,
requestBody.CollateralType,
requestBody.Payment,
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)
if err := msg.ValidateBasic(); err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
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utils.WriteGenerateStdTxResponse(w, cliCtx, requestBody.BaseReq, []sdk.Msg{msg})
}
}