mirror of https://github.com/certusone/wasmd.git
104 lines
2.8 KiB
Go
104 lines
2.8 KiB
Go
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package main
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import (
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"encoding/base64"
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"encoding/hex"
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"fmt"
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"os"
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"path"
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"github.com/cosmos/cosmos-sdk/store"
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"github.com/cosmos/cosmos-sdk/baseapp"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/tendermint/tendermint/crypto/ed25519"
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"github.com/tendermint/tendermint/libs/log"
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sdk "github.com/cosmos/cosmos-sdk/types"
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gaia "github.com/cosmos/gaia/app"
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)
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func runHackCmd(cmd *cobra.Command, args []string) error {
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if len(args) != 1 {
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return fmt.Errorf("Expected 1 arg")
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}
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// ".gaiad"
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dataDir := args[0]
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dataDir = path.Join(dataDir, "data")
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// load the app
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logger := log.NewTMLogger(log.NewSyncWriter(os.Stdout))
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db, err := sdk.NewLevelDB("gaia", dataDir)
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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app, keyMain, keyStaking, stakingKeeper := gaia.NewGaiaAppUNSAFE(
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logger, db, nil, false, 0, baseapp.SetPruning(store.NewPruningOptionsFromString(viper.GetString("pruning"))))
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// print some info
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id := app.LastCommitID()
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lastBlockHeight := app.LastBlockHeight()
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fmt.Println("ID", id)
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fmt.Println("LastBlockHeight", lastBlockHeight)
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//----------------------------------------------------
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// XXX: start hacking!
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//----------------------------------------------------
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// eg. gaia-6001 testnet bug
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// We paniced when iterating through the "bypower" keys.
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// The following powerKey was there, but the corresponding "trouble" validator did not exist.
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// So here we do a binary search on the past states to find when the powerKey first showed up ...
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// operator of the validator the bonds, gets jailed, later unbonds, and then later is still found in the bypower store
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trouble := hexToBytes("D3DC0FF59F7C3B548B7AFA365561B87FD0208AF8")
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// this is his "bypower" key
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powerKey := hexToBytes("05303030303030303030303033FFFFFFFFFFFF4C0C0000FFFED3DC0FF59F7C3B548B7AFA365561B87FD0208AF8")
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topHeight := lastBlockHeight
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bottomHeight := int64(0)
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checkHeight := topHeight
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for {
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// load the given version of the state
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err = app.LoadVersion(checkHeight, keyMain)
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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ctx := app.NewContext(true, abci.Header{})
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// check for the powerkey and the validator from the store
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store := ctx.KVStore(keyStaking)
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res := store.Get(powerKey)
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val, _ := stakingKeeper.GetValidator(ctx, trouble)
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fmt.Println("checking height", checkHeight, res, val)
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if res == nil {
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bottomHeight = checkHeight
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} else {
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topHeight = checkHeight
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}
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checkHeight = (topHeight + bottomHeight) / 2
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}
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}
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func base64ToPub(b64 string) ed25519.PubKeyEd25519 {
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data, _ := base64.StdEncoding.DecodeString(b64)
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var pubKey ed25519.PubKeyEd25519
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copy(pubKey[:], data)
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return pubKey
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}
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func hexToBytes(h string) []byte {
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trouble, _ := hex.DecodeString(h)
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return trouble
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}
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