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eth.go
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eth.go
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package main
import (
"fmt"
"reflect"
"github.com/urfave/cli/v2"
"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/lotus/chain/types"
lcli "github.com/filecoin-project/lotus/cli"
)
var ethCmd = &cli.Command{
Name: "eth",
Description: "Ethereum compatibility related commands",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "repo",
Value: "~/.lotus",
},
},
Subcommands: []*cli.Command{
checkTipsetsCmd,
},
}
var checkTipsetsCmd = &cli.Command{
Name: "check-tipsets",
Description: "Check that eth_getBlockByNumber and eth_getBlockByHash consistently return tipsets",
Action: func(cctx *cli.Context) error {
api, closer, err := lcli.GetFullNodeAPIV1(cctx)
if err != nil {
return err
}
defer closer()
ctx := lcli.ReqContext(cctx)
head, err := api.ChainHead(ctx)
if err != nil {
return err
}
height := head.Height()
fmt.Println("Current height:", height)
for i := int64(height); i > 0; i-- {
if _, err := api.ChainGetTipSetByHeight(ctx, abi.ChainEpoch(i), types.EmptyTSK); err != nil {
fmt.Printf("[FAIL] failed to get tipset @%d from Lotus: %s\n", i, err)
continue
}
hex := fmt.Sprintf("0x%x", i)
ethBlockA, err := api.EthGetBlockByNumber(ctx, hex, false)
if err != nil {
fmt.Printf("[FAIL] failed to get tipset @%d via eth_getBlockByNumber: %s\n", i, err)
continue
}
ethBlockB, err := api.EthGetBlockByHash(ctx, ethBlockA.Hash, false)
if err != nil {
fmt.Printf("[FAIL] failed to get tipset @%d via eth_getBlockByHash: %s\n", i, err)
continue
}
if equal := reflect.DeepEqual(ethBlockA, ethBlockB); equal {
fmt.Printf("[OK] blocks received via eth_getBlockByNumber and eth_getBlockByHash for tipset @%d are identical\n", i)
} else {
fmt.Printf("[FAIL] blocks received via eth_getBlockByNumber and eth_getBlockByHash for tipset @%d are NOT identical\n", i)
}
}
return nil
},
}