37 lines
1012 B
Go
37 lines
1012 B
Go
package params
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import (
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sdk "github.com/cosmos/cosmos-sdk/types"
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)
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// GenesisState defines initial activated msg types
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type GenesisState struct {
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ActivatedTypes []string `json:"activated-types"`
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}
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// ActivatedParamKey - paramstore key for msg type activation
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func ActivatedParamKey(ty string) string {
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return "Activated/" + ty
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}
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// InitGenesis stores activated type to param store
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func InitGenesis(ctx sdk.Context, k Keeper, data GenesisState) {
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for _, ty := range data.ActivatedTypes {
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k.set(ctx, ActivatedParamKey(ty), true)
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}
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}
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// NewAnteHandler returns an AnteHandler that checks
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// whether msg type is activate or not
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func NewAnteHandler(k Keeper) sdk.AnteHandler {
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return func(ctx sdk.Context, tx sdk.Tx) (sdk.Context, sdk.Result, bool) {
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for _, msg := range tx.GetMsgs() {
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ok := k.Getter().GetBoolWithDefault(ctx, ActivatedParamKey(msg.Type()), false)
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if !ok {
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return ctx, sdk.ErrUnauthorized("deactivated msg type").Result(), true
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}
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}
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return ctx, sdk.Result{}, false
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}
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}
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