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genesis.go
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genesis.go
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package asset
import (
"errors"
"strings"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/coinexchain/cet-sdk/modules/asset/internal/types"
)
// InitGenesis - Init store state from genesis data
func InitGenesis(ctx sdk.Context, keeper Keeper, data GenesisState) {
keeper.SetParams(ctx, data.Params)
for _, token := range data.Tokens {
if err := keeper.SetToken(ctx, token); err != nil {
panic(err)
}
}
for _, addr := range data.Whitelist {
if err := keeper.ImportGenesisAddrKeys(ctx, types.WhitelistKey, addr); err != nil {
panic(err)
}
}
for _, addr := range data.ForbiddenAddresses {
if err := keeper.ImportGenesisAddrKeys(ctx, types.ForbiddenAddrKey, addr); err != nil {
panic(err)
}
}
}
// ExportGenesis returns a GenesisState for a given context and keeper
func ExportGenesis(ctx sdk.Context, keeper Keeper) GenesisState {
return NewGenesisState(
keeper.GetParams(ctx),
keeper.GetAllTokens(ctx),
keeper.ExportGenesisAddrKeys(ctx, types.WhitelistKey),
keeper.ExportGenesisAddrKeys(ctx, types.ForbiddenAddrKey))
}
// ValidateGenesis performs basic validation of asset genesis data returning an
// error for any failed validation criteria.
func ValidateGenesis(data GenesisState) error {
if err := data.Params.ValidateGenesis(); err != nil {
return err
}
for _, token := range data.Tokens {
if err := token.Validate(); err != nil {
return err
}
}
tokenSymbols := make(map[string]Token)
for _, token := range data.Tokens {
if _, exists := tokenSymbols[token.GetSymbol()]; exists {
return errors.New("duplicate token symbol found in GenesisState")
}
tokenSymbols[token.GetSymbol()] = token
}
for _, addr := range data.ForbiddenAddresses {
// symbol | : | address
split := strings.SplitAfterN(addr, string(types.SeparateKey), 2)
if len(split) != 2 {
return errors.New("Genesis Address Err ")
}
_, err := sdk.AccAddressFromBech32(split[1])
if err != nil {
return err
}
}
for _, addr := range data.ForbiddenAddresses {
// symbol | : | address
split := strings.SplitAfterN(addr, string(types.SeparateKey), 2)
if len(split) != 2 {
return errors.New("Genesis Address Err ")
}
addrBech32, err := sdk.AccAddressFromBech32(split[1])
if err != nil {
return err
}
symbol := strings.Split(split[0], string(types.SeparateKey))[0]
if addrBech32.Equals(tokenSymbols[symbol].GetOwner()) {
return types.ErrTokenOwnerSelfForbidden()
}
}
return nil
}