46 lines
1.3 KiB
Go
46 lines
1.3 KiB
Go
package keeper
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import (
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"fmt"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/ibc/applications/transfer/types"
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)
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// InitGenesis initializes the ibc-transfer state and binds to PortID.
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func (k Keeper) InitGenesis(ctx sdk.Context, state types.GenesisState) {
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k.SetPort(ctx, state.PortId)
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for _, trace := range state.DenomTraces {
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k.SetDenomTrace(ctx, trace)
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}
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// Only try to bind to port if it is not already bound, since we may already own
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// port capability from capability InitGenesis
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if !k.IsBound(ctx, state.PortId) {
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// transfer module binds to the transfer port on InitChain
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// and claims the returned capability
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err := k.BindPort(ctx, state.PortId)
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if err != nil {
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panic(fmt.Sprintf("could not claim port capability: %v", err))
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}
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}
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k.SetParams(ctx, state.Params)
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// check if the module account exists
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moduleAcc := k.GetTransferAccount(ctx)
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if moduleAcc == nil {
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panic(fmt.Sprintf("%s module account has not been set", types.ModuleName))
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}
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}
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// ExportGenesis exports ibc-transfer module's portID and denom trace info into its genesis state.
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func (k Keeper) ExportGenesis(ctx sdk.Context) *types.GenesisState {
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return &types.GenesisState{
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PortId: k.GetPort(ctx),
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DenomTraces: k.GetAllDenomTraces(ctx),
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Params: k.GetParams(ctx),
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}
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}
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