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ibc_transfer_relation.go
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/
ibc_transfer_relation.go
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package keeper
import (
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/ethereum/go-ethereum/common"
"github.com/functionx/fx-core/v3/x/erc20/types"
)
func (k Keeper) RefundAfter(ctx sdk.Context, channel string, sequence uint64, sender sdk.AccAddress, amount sdk.Coin) error {
// check exist
if !k.DeleteIBCTransferRelation(ctx, channel, sequence) {
return nil
}
cacheCtx, commit := ctx.CacheContext()
if err := k.TransferAfter(cacheCtx, sender.String(), common.BytesToAddress(sender.Bytes()).String(),
amount, sdk.NewCoin(amount.Denom, sdk.ZeroInt())); err != nil {
return err
}
commit()
ctx.EventManager().EmitEvents(cacheCtx.EventManager().Events())
return nil
}
func (k Keeper) AckAfter(ctx sdk.Context, channel string, sequence uint64) error {
k.DeleteIBCTransferRelation(ctx, channel, sequence)
return nil
}
func (k Keeper) SetIBCTransferRelation(ctx sdk.Context, channel string, sequence uint64) {
store := ctx.KVStore(k.storeKey)
store.Set(types.GetIBCTransferKey(channel, sequence), []byte{})
}
func (k Keeper) DeleteIBCTransferRelation(ctx sdk.Context, channel string, sequence uint64) bool {
if !k.hasIBCTransferRelation(ctx, channel, sequence) {
return false
}
store := ctx.KVStore(k.storeKey)
store.Delete(types.GetIBCTransferKey(channel, sequence))
return true
}
func (k Keeper) hasIBCTransferRelation(ctx sdk.Context, channel string, sequence uint64) bool {
return ctx.KVStore(k.storeKey).Has(types.GetIBCTransferKey(channel, sequence))
}