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handler.go
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handler.go
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package rand
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
)
// NewHandler -
func NewHandler(keeper Keeper) sdk.Handler {
return func(ctx sdk.Context, msg sdk.Msg) sdk.Result {
switch msg := msg.(type) {
case MsgNewRound:
return handleMsgNewRound(ctx, keeper, msg)
case MsgDeployNonce:
return handleMsgDeployNonce(ctx, keeper, msg)
case MsgAddTargets:
return handleMsgAddTargets(ctx, keeper, msg)
case MsgUpdateTargets:
return handleMsgUpdateTargets(ctx, keeper, msg)
default:
errMsg := fmt.Sprintf("Unknown rand Msg type: %v", msg.Type())
return sdk.ErrUnknownRequest(errMsg).Result()
}
}
}
// handleMsgNewRound -
func handleMsgNewRound(ctx sdk.Context, keeper Keeper, msg MsgNewRound) sdk.Result {
//if !msg.Owner.Equals(keeper.GetOwner(ctx, msg.ID)) {
//return sdk.ErrUnauthorized("Owner mismatch").Result()
//}
if msg.Owner.Empty() {
return sdk.ErrUnauthorized("Owner is empty").Result()
}
keeper.SetRound(ctx, msg.ID, Round{Difficulty: msg.Difficulty, Owner: msg.Owner, Nonce: msg.Nonce, NonceHash: msg.NonceHash, Targets: msg.Targets, ScheduledTime: msg.ScheduledTime})
return sdk.Result{}
}
// handleMsgDepoloyNonce -
func handleMsgDeployNonce(ctx sdk.Context, keeper Keeper, msg MsgDeployNonce) sdk.Result {
if !msg.Owner.Equals(keeper.GetOwner(ctx, msg.ID)) {
return sdk.ErrUnauthorized("Owner mismatch").Result()
}
keeper.SetNonce(ctx, msg.ID, msg.Nonce)
return sdk.Result{}
}
// handleMsgAddTargets -
func handleMsgAddTargets(ctx sdk.Context, keeper Keeper, msg MsgAddTargets) sdk.Result {
if !msg.Owner.Equals(keeper.GetOwner(ctx, msg.ID)) {
return sdk.ErrUnauthorized("Owner mismatch").Result()
}
// 기존 Targets에 추가
// 현재 Target에 중복된 값을 넣을 수는 없음
// important ******
// 만약 중복 응모가 가능하게 하려면 이를 어떻게 처리할 것인가? 이것이 필요한가는 의문
newTargets := keeper.GetTargets(ctx, msg.ID)
for _, b := range msg.Targets {
exist := false
for _, n := range newTargets {
if n == b {
exist = true
break
}
}
if !exist {
newTargets = append(newTargets, b)
}
}
keeper.SetTargets(ctx, msg.ID, newTargets)
return sdk.Result{}
}
// handleMsgRemoveTargets -
func handleMsgUpdateTargets(ctx sdk.Context, keeper Keeper, msg MsgUpdateTargets) sdk.Result {
if !msg.Owner.Equals(keeper.GetOwner(ctx, msg.ID)) {
return sdk.ErrUnauthorized("Owner mismatch").Result()
}
// 기존 Targets에서 일치하는 것 삭제
//updateTargets := keeper.GetTargets(ctx, msg.ID)
/*
for i := 0; i < len(updateTargets); {
exist := false
for _, b := range msg.Targets {
if b == updateTargets[i] {
exist = true
break
}
if !exist {
i++
} else {
updateTargets = append(updateTargets[:i], updateTargets[i+1:]...)
}
}
}
*/
keeper.SetTargets(ctx, msg.ID, msg.Targets)
return sdk.Result{}
}