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genesis.go
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genesis.go
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package token
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
)
type Token struct {
Owner sdk.AccAddress `json:"owner"`
Balance sdk.Int `json:"balance"`
}
type GenesisState struct {
TokenRecords []Token `json:"tokens"`
}
func ValidateGenesis(data GenesisState) error {
for _, record := range data.TokenRecords {
if record.Owner == nil {
return fmt.Errorf("invalid Settings: Error: Missing Owner")
}
}
return nil
}
func DefaultGenesisState() GenesisState {
return GenesisState{
TokenRecords: []Token{},
}
}
func InitGenesis(ctx sdk.Context, keeper Keeper, data GenesisState) {
for _, record := range data.TokenRecords {
keeper.AddTokens(ctx, record.Owner, record.Balance)
}
}
func ExportGenesis(ctx sdk.Context, k Keeper) GenesisState {
var records []Token
iterator := k.GetBalanceIterator(ctx)
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
owner := iterator.Key()
balance := k.GetBalance(ctx, owner)
records = append(records, Token{
Owner: owner,
Balance: balance,
})
}
return GenesisState{TokenRecords: records}
}