97 lines
2.8 KiB
Go
97 lines
2.8 KiB
Go
package types
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import (
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"encoding/json"
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"fmt"
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"sort"
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"github.com/cosmos/cosmos-sdk/x/auth/exported"
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)
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// GenesisState - all auth state that must be provided at genesis
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type GenesisState struct {
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Params Params `json:"params" yaml:"params"`
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Accounts exported.GenesisAccounts `json:"accounts" yaml:"accounts"`
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}
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// NewGenesisState - Create a new genesis state
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func NewGenesisState(params Params, accounts exported.GenesisAccounts) GenesisState {
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return GenesisState{
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Params: params,
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Accounts: accounts,
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}
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}
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// DefaultGenesisState - Return a default genesis state
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func DefaultGenesisState() GenesisState {
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return NewGenesisState(DefaultParams(), exported.GenesisAccounts{})
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}
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// GetGenesisStateFromAppState returns x/auth GenesisState given raw application
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// genesis state.
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func GetGenesisStateFromAppState(cdc Codec, appState map[string]json.RawMessage) GenesisState {
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var genesisState GenesisState
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if appState[ModuleName] != nil {
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cdc.MustUnmarshalJSON(appState[ModuleName], &genesisState)
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}
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return genesisState
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}
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// ValidateGenesis performs basic validation of auth genesis data returning an
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// error for any failed validation criteria.
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func ValidateGenesis(data GenesisState) error {
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if err := data.Params.Validate(); err != nil {
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return err
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}
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return ValidateGenAccounts(data.Accounts)
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}
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// SanitizeGenesisAccounts sorts accounts and coin sets.
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func SanitizeGenesisAccounts(genAccs exported.GenesisAccounts) exported.GenesisAccounts {
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sort.Slice(genAccs, func(i, j int) bool {
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return genAccs[i].GetAccountNumber() < genAccs[j].GetAccountNumber()
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})
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return genAccs
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}
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// ValidateGenAccounts validates an array of GenesisAccounts and checks for duplicates
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func ValidateGenAccounts(accounts exported.GenesisAccounts) error {
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addrMap := make(map[string]bool, len(accounts))
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for _, acc := range accounts {
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// check for duplicated accounts
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addrStr := acc.GetAddress().String()
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if _, ok := addrMap[addrStr]; ok {
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return fmt.Errorf("duplicate account found in genesis state; address: %s", addrStr)
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}
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addrMap[addrStr] = true
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// check account specific validation
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if err := acc.Validate(); err != nil {
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return fmt.Errorf("invalid account found in genesis state; address: %s, error: %s", addrStr, err.Error())
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}
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}
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return nil
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}
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// GenesisAccountIterator implements genesis account iteration.
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type GenesisAccountIterator struct{}
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// IterateGenesisAccounts iterates over all the genesis accounts found in
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// appGenesis and invokes a callback on each genesis account. If any call
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// returns true, iteration stops.
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func (GenesisAccountIterator) IterateGenesisAccounts(
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cdc Codec, appGenesis map[string]json.RawMessage, cb func(exported.Account) (stop bool),
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) {
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for _, genAcc := range GetGenesisStateFromAppState(cdc, appGenesis).Accounts {
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if cb(genAcc) {
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break
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}
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}
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}
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