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* fix: bump go requirements to 1.17 to allow wasmvm to build * feat: add dorado-migrate command * chores: fmt * feat: add initial nanonomx supply to dorado-migrate command * docs: remove redundant info
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,202 @@ | ||
| package cmd | ||
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| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "time" | ||
|
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| "github.com/spf13/cobra" | ||
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| tmjson "github.com/tendermint/tendermint/libs/json" | ||
| tmtypes "github.com/tendermint/tendermint/types" | ||
|
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| "github.com/cosmos/cosmos-sdk/client" | ||
| "github.com/cosmos/cosmos-sdk/client/flags" | ||
| "github.com/cosmos/cosmos-sdk/codec" | ||
| sdk "github.com/cosmos/cosmos-sdk/types" | ||
| "github.com/cosmos/cosmos-sdk/types/errors" | ||
| authz "github.com/cosmos/cosmos-sdk/x/authz" | ||
| banktypes "github.com/cosmos/cosmos-sdk/x/bank/types" | ||
| "github.com/cosmos/cosmos-sdk/x/genutil/types" | ||
| legacyibc "github.com/cosmos/ibc-go/v2/modules/core/legacy/v100" | ||
| "github.com/fetchai/fetchd/app" | ||
| ) | ||
|
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| const ( | ||
| flagGenesisTime = "genesis-time" | ||
| flagInitialHeight = "initial-height" | ||
| flagIBCMaxExpectedTimePerBlock = "max-expected-time-per-block" | ||
| flagNanonomxSupply = "nanonomx-supply" | ||
| flagFoundationAddress = "foundation-address" | ||
| ) | ||
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| // AddDoradoMigrateCmd returns a command to migrate genesis to Dorado version. | ||
| func AddDoradoMigrateCmd() *cobra.Command { | ||
| cmd := &cobra.Command{ | ||
| Use: "dorado-migrate <genesis-file>", | ||
| Short: "Migrate fetchAI mainnet genesis from the Capricorn version to the Dorado version", | ||
| Long: `Migrate fetchAI mainnet genesis from the Capricorn version to the Dorado version. | ||
| It does the following operations: | ||
| - migrate IBC module state from v1 to v2 | ||
| - init authz module state | ||
| - add initial nanonomx supply to fetch foundation account | ||
| `, | ||
| Args: cobra.ExactArgs(1), | ||
| RunE: func(cmd *cobra.Command, args []string) error { | ||
| clientCtx := client.GetClientContextFromCmd(cmd) | ||
| importGenesis := args[0] | ||
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| genDoc, err := tmtypes.GenesisDocFromFile(importGenesis) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to load genesis file at %q: %w", importGenesis, err) | ||
| } | ||
|
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| // set genesis time | ||
| genesisTime, err := cmd.Flags().GetString(flagGenesisTime) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to read %q flag: %w", flagGenesisTime, err) | ||
| } | ||
| if genesisTime != "" { | ||
| var t time.Time | ||
|
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| err := t.UnmarshalText([]byte(genesisTime)) | ||
| if err != nil { | ||
| return errors.Wrap(err, "failed to unmarshal genesis time") | ||
| } | ||
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| genDoc.GenesisTime = t | ||
| } | ||
|
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| // set initial height | ||
| initialHeight, err := cmd.Flags().GetInt64(flagInitialHeight) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to retrieve flag %q: %w", flagInitialHeight, err) | ||
| } | ||
| // only set initial height if it was given | ||
| // otherwise, keep the initial_height from exported genesis | ||
| // that should already be set to last committed block+1 | ||
| if initialHeight > 0 { | ||
| genDoc.InitialHeight = initialHeight | ||
| } | ||
|
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| // set new chain-id | ||
| chainID, err := cmd.Flags().GetString(flags.FlagChainID) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to read %q flag: %w", flags.FlagChainID, err) | ||
| } | ||
| if chainID != "" { | ||
| genDoc.ChainID = chainID | ||
| } | ||
|
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| var appState types.AppMap | ||
| if err := json.Unmarshal(genDoc.AppState, &appState); err != nil { | ||
| return errors.Wrap(err, "failed to JSON unmarshal initial genesis state") | ||
| } | ||
|
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| // ------------ Start of custom migration operations ------------ | ||
|
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| // Migrate ibc state from v1 to v2 | ||
| maxExpectedTimePerBlock, err := cmd.Flags().GetUint64(flagIBCMaxExpectedTimePerBlock) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to read %q flag: %w", flagIBCMaxExpectedTimePerBlock, err) | ||
| } | ||
| appState, err = legacyibc.MigrateGenesis(appState, clientCtx, *genDoc, maxExpectedTimePerBlock) | ||
| if err != nil { | ||
| return errors.Wrap(err, "failed to IBC migrate genesis") | ||
| } | ||
|
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||
| // Init Authz module state | ||
| authzbz, err := clientCtx.Codec.MarshalJSON(authz.DefaultGenesisState()) | ||
| if err != nil { | ||
| return errors.Wrap(err, "failed to marshal authz state") | ||
| } | ||
| appState[authz.ModuleName] = authzbz | ||
|
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| // Add initial nanonomx supply | ||
| foundationAddrStr, err := cmd.Flags().GetString(flagFoundationAddress) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to read %q flag: %w", flagFoundationAddress, err) | ||
| } | ||
| foundationAddr, err := sdk.AccAddressFromBech32(foundationAddrStr) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to parse bech32 foundation address: %w", err) | ||
| } | ||
| nanonomxStr, err := cmd.Flags().GetString(flagNanonomxSupply) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to read %q flag: %w", flagNanonomxSupply, err) | ||
| } | ||
| nanonomxCoin, err := sdk.ParseCoinNormalized(nanonomxStr) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to parse nanonmox coin: %w", err) | ||
| } | ||
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| appState, err = mintTokens(appState, clientCtx.Codec, foundationAddr, nanonomxCoin) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to mint tokens: %w", err) | ||
| } | ||
|
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| // ------------ End of custom migration operations ------------ | ||
|
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| // Validate state (same as fetchd validate-genesis cmd) | ||
| if err := app.ModuleBasics.ValidateGenesis(clientCtx.Codec, clientCtx.TxConfig, appState); err != nil { | ||
| return fmt.Errorf("failed to validate state: %w", err) | ||
| } | ||
|
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| // build and print the new genesis state | ||
| genDoc.AppState, err = json.Marshal(appState) | ||
| if err != nil { | ||
| return errors.Wrap(err, "failed to JSON marshal migrated genesis state") | ||
| } | ||
| bz, err := tmjson.Marshal(genDoc) | ||
| if err != nil { | ||
| return errors.Wrap(err, "failed to marshal genesis doc") | ||
| } | ||
| sortedBz, err := sdk.SortJSON(bz) | ||
| if err != nil { | ||
| return errors.Wrap(err, "failed to sort JSON genesis doc") | ||
| } | ||
|
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| fmt.Println(string(sortedBz)) | ||
|
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| return nil | ||
| }, | ||
| } | ||
|
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| cmd.Flags().String(flagGenesisTime, "", "override genesis_time with this flag") | ||
| cmd.Flags().Int64(flagInitialHeight, 0, "override initial_height with this flag") | ||
| cmd.Flags().String(flags.FlagChainID, "fetchhub-4", "override chain_id with this flag") | ||
| // see https://github.com/cosmos/ibc-go/blob/v2.0.3/modules/core/03-connection/types/connection.pb.go#L359-L362 | ||
| cmd.Flags().Uint64(flagIBCMaxExpectedTimePerBlock, 30000000000, "value for ibc.connection_genesis.params.max_expected_time_per_block (nanoseconds)") | ||
| cmd.Flags().String(flagNanonomxSupply, "1000000000000000000nanonomx", "initial nanonomx supply") | ||
| cmd.Flags().String(flagFoundationAddress, "fetch1c2wlfqn6eqqknpwcr0na43m9k6hux94dp6fx4y", "fetch.ai foundation address") | ||
|
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| return cmd | ||
| } | ||
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| // mintTokens add given coins to given address and increase total supply accordingly. | ||
| func mintTokens(state types.AppMap, cdc codec.JSONCodec, addr sdk.AccAddress, coin sdk.Coin) (types.AppMap, error) { | ||
| bankState := banktypes.GetGenesisStateFromAppState(cdc, state) | ||
|
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| var updated bool | ||
| for i, balance := range bankState.Balances { | ||
| if balance.GetAddress().Equals(addr) { | ||
| bankState.Balances[i].Coins = bankState.Balances[i].Coins.Add(coin) | ||
| bankState.Supply = bankState.Supply.Add(coin) | ||
|
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| updated = true | ||
| break | ||
| } | ||
| } | ||
|
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| if !updated { | ||
| return nil, fmt.Errorf("account %s not found", addr.String()) | ||
| } | ||
|
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| bankStateBz, err := cdc.MarshalJSON(bankState) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to marshal bank genesis state: %w", err) | ||
| } | ||
| state[banktypes.ModuleName] = bankStateBz | ||
|
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||
| return state, nil | ||
| } |
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