68 lines
1.9 KiB
Go
68 lines
1.9 KiB
Go
package bank
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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/bank/keeper"
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"github.com/cosmos/cosmos-sdk/x/bank/types"
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)
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// InitGenesis initializes the bank module's state from a given genesis state.
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func InitGenesis(ctx sdk.Context, keeper keeper.Keeper, genState types.GenesisState) {
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keeper.SetSendEnabled(ctx, genState.SendEnabled)
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var totalSupply sdk.Coins
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genState.Balances = types.SanitizeGenesisBalances(genState.Balances)
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for _, balance := range genState.Balances {
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if err := keeper.ValidateBalance(ctx, balance.Address); err != nil {
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panic(err)
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}
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if err := keeper.SetBalances(ctx, balance.Address, balance.Coins); err != nil {
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panic(fmt.Errorf("error on setting balances %w", err))
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}
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totalSupply = totalSupply.Add(balance.Coins...)
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}
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if genState.Supply.Empty() {
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genState.Supply = totalSupply
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}
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keeper.SetSupply(ctx, types.NewSupply(genState.Supply))
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}
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// ExportGenesis returns the bank module's genesis state.
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func ExportGenesis(ctx sdk.Context, keeper keeper.Keeper) types.GenesisState {
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balancesSet := make(map[string]sdk.Coins)
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keeper.IterateAllBalances(ctx, func(addr sdk.AccAddress, balance sdk.Coin) bool {
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balancesSet[addr.String()] = balancesSet[addr.String()].Add(balance)
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return false
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})
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balances := []types.Balance{}
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for addrStr, coins := range balancesSet {
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addr, err := sdk.AccAddressFromBech32(addrStr)
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if err != nil {
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panic(fmt.Errorf("failed to convert address from string: %w", err))
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}
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balances = append(balances, types.Balance{
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Address: addr,
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Coins: coins,
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})
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}
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return types.NewGenesisState(keeper.GetSendEnabled(ctx), balances, keeper.GetSupply(ctx).GetTotal())
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}
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// ValidateGenesis performs basic validation of supply genesis data returning an
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// error for any failed validation criteria.
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func ValidateGenesis(data types.GenesisState) error {
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return types.NewSupply(data.Supply).ValidateBasic()
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}
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